1.
South Australia
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South Australia is a state in the southern central part of Australia. It covers some of the most arid parts of the country, with a total land area of 983,482 square kilometres, it is the fourth-largest of Australias states and territories. Other population centres in the state are relatively small, the state comprises less than 8 percent of the Australian population and ranks fifth in population among the six states and two territories. The majority of its people reside in Adelaide, most of the remainder are settled in fertile areas along the south-eastern coast and River Murray. The states colonial origins are unique in Australia as a settled, planned British province. Official settlement began on 28 December 1836, when the colony was proclaimed at the Old Gum Tree by Governor John Hindmarsh, as with the rest of the continent, the region had been long occupied by Aboriginal peoples, who were organised into numerous tribes and languages. The first British settlement to be established was Kingscote, Kangaroo Island, on 26 July 1836, the guiding principle behind settlement was that of systematic colonisation, a theory espoused by Edward Gibbon Wakefield that was later employed by the New Zealand Company. The goal was to establish the province as a centre of civilisation for free immigrants, promising civil liberties, although its history is marked by economic hardship, South Australia has remained politically innovative and culturally vibrant. Today, it is known for its wine and numerous cultural festivals. The states economy is dominated by the agricultural, manufacturing and mining industries, the state has an increasingly significant finance sector as well. Evidence of human activity in South Australia dates back as far as 20,000 years, with flint mining activity, in addition wooden spears and tools were made in an area now covered in peat bog in the South East. Kangaroo Island was inhabited long before the island was cut off by rising sea levels, thijssen named his discovery Pieter Nuyts Land, after the highest ranking individual on board. The complete coastline of South Australia was first mapped by Matthew Flinders, the land which now forms the state of South Australia was claimed for Britain in 1788 as part of the colony of New South Wales. Although the new colony included almost two-thirds of the continent, early settlements were all on the eastern coast and it took more than forty years before any serious proposal to establish settlements in the south-western portion of New South Wales were put forward. In 1834, the British Parliament passed the South Australia Act 1834, the act stated that 802,511 square kilometres would be allotted to the colony and it would be convict-free. In contrast to the rest of Australia, terra nullius did not apply to the new province, although the patent guaranteed land rights under force of law for the indigenous inhabitants it was ignored by the South Australian Company authorities and squatters. Settlement of seven vessels and 636 people was made at Kingscote on Kangaroo Island. The first immigrants arrived at Holdfast Bay in November 1836, the Colonisation Commissioners intended to establish a police service as soon as misconduct within the increasing population warranted it
2.
States and territories of Australia
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Australia is a federation of six states, together with ten federal territories. The Australian mainland consists of five of the six federated states, the state of Tasmania is an island about 200 kilometers from the mainland. The remaining seven territories are classified for some purposes as external territories, aside from the Australian Antarctic Territory, which is Australias claim to part of Antarctica, Australia is the worlds sixth-largest country by total area. Since 2015, federal control has also extended to the formerly self-governing territory of Norfolk Island. Three of the territories are inhabited, the others are uninhabited. The term geographic Australia is used by the Australian government to describe the area covered by demographic statistics such as national population figures and this area comprises Christmas Island and the Cocos Islands in addition to the six states and three mainland territories. Norfolk Island is the territory with a native population that is not part of geographic Australia. Both territories were reincorporated as the Northern Territory at the end of this period, from 1923 to 1968, the United Nations Trust Territory of Nauru was under Australian administration, until independence as the Republic of Nauru. From 1949 to 1975, the Territory of Papua and New Guinea was a territory of Australia, the states originated as separate British colonies prior to Federation in 1901. Upon Federation, the six colonies of New South Wales, Victoria, Queensland, South Australia, Western Australia, the territories, by contrast, are from a constitutional perspective directly subject to the Commonwealth Government, laws for territories are determined by the Australian Parliament. Most of the territories are directly administered by the Commonwealth Government, in the self-governing territories, the Australian Parliament retains the full power to legislate, and can override laws made by the territorial institutions, which it has done on rare occasions. For the purposes of Australian intergovernmental bodies, the Northern Territory, each state has a Governor, appointed by the Queen, which by convention she does on the advice of the state Premier. The Administrator of the Northern Territory, by contrast, is appointed by the Governor-General, Jervis Bay Territory is the only non-self-governing internal territory. Until 1989, it was administered as if it were a part of the ACT, although residents of the Jervis Bay Territory are generally subject to laws made by the ACT Legislative Assembly, they are not represented in the Assembly. They are represented in the Parliament of Australia as part of the Electoral Division of Fraser in the ACT, in other respects, the territory is administered directly by the Federal Government through the Territories portfolio. The external territory of Norfolk Island possessed a degree of self-government from 1979 until 2015, each state has a bicameral parliament except Queensland, which abolished its upper house in 1922. The lower house is called the Legislative Assembly, except in South Australia and Tasmania, Tasmania is the only state to use proportional representation for elections to its lower house, all others elect members from single member constituencies, using preferential voting. The upper house is called the Legislative Council and is elected from multi-member constituencies using proportional representation
3.
New South Wales
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New South Wales is a state on the east coast of Australia. It borders Queensland to the north, Victoria to the south and it has a coast line with the Tasman Sea on its east side. The Australian Capital Territory is an enclave within the state, New South Wales state capital is Sydney, which is also Australias most populous city. In March 2014, the population of New South Wales was 7.5 million. Just under two-thirds of the population,4.67 million. Inhabitants of New South Wales are referred to as New South Welshmen, the Colony of New South Wales was founded as a penal colony in 1788. It originally comprised a more than half of the Australian mainland with its western boundary set at 129th meridian east in 1825, in addition, the colony also included the island territories of New Zealand, Van Diemens Land, Lord Howe Island, and Norfolk Island. During the 19th century, most of the area was detached to form separate British colonies that eventually became New Zealand. However, the Swan River Colony has never administered as part of New South Wales. Lord Howe Island remains part of New South Wales, while Norfolk Island has become a federal Territory, as have the now known as the Australian Capital Territory. The prior inhabitants of New South Wales were the Aboriginal tribes who arrived in Australia about 40,000 to 60,000 years ago, before European settlement there were an estimated 250,000 Aboriginal people in the region. The Wodi Wodi people are the custodians of the Illawarra region of South Sydney. The Bundjalung people are the custodians of parts of the northern coastal areas. The European discovery of New South Wales was made by Captain James Cook during his 1770 survey along the eastern coast of the Dutch-named continent of New Holland. In his original journal covering the survey, in triplicate to satisfy Admiralty Orders, Cook first named the land New Wales, however, in the copy held by the Admiralty, he revised the wording to New South Wales. After years of chaos and anarchy after the overthrow of Governor William Bligh, macquaries legacy is still evident today. During the 19th century, large areas were separated to form the British colonies of Tasmania, South Australia, Victoria. Responsible government was granted to the New South Wales colony in 1855, following the Treaty of Waitangi, William Hobson declared British sovereignty over New Zealand in 1840
4.
Victoria (Australia)
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Victoria is a state in southeast Australia. Victoria is Australias most densely populated state and its second-most populous state overall, most of its population is concentrated in the area surrounding Port Phillip Bay, which includes the metropolitan area of its state capital and largest city, Melbourne, Australias second-largest city. Prior to British European settlement, the area now constituting Victoria was inhabited by a number of Aboriginal peoples. With Great Britain having claimed the entire Australian continent east of the 135th meridian east in 1788, Victoria was included in the wider colony of New South Wales. The first settlement in the area occurred in 1803 at Sullivan Bay, and much of what is now Victoria was included in the Port Phillip District in 1836, Victoria was officially created as a separate colony in 1851, and achieved self-government in 1855. Politically, Victoria has 37 seats in the Australian House of Representatives and 12 seats in the Australian Senate, at state level, the Parliament of Victoria consists of the Legislative Assembly and the Legislative Council. Victoria is currently governed by the Labor Party, with Daniel Andrews the current Premier, the personal representative of the Queen of Australia in the state is the Governor of Victoria, currently Linda Dessau. Local government is concentrated in 79 municipal districts, including 33 cities, although a number of unincorporated areas still exist, Victorias total gross state product is ranked second in Australia, although Victoria is ranked fourth in terms of GSP per capita because of its limited mining activity. Culturally, Melbourne is home to a number of museums, art galleries and theatres and is described as the sporting capital of Australia. The Melbourne Cricket Ground is the largest stadium in Australia, and the host of the 1956 Summer Olympics, Victoria has eight public universities, with the oldest, the University of Melbourne, having been founded in 1853. Victoria, like Queensland, was named after Queen Victoria, who had been on the British throne for 14 years when the colony was established in 1851. The first British settlement in the later known as Victoria was established in October 1803 under Lieutenant-Governor David Collins at Sullivan Bay on Port Phillip. In the year 1826 Colonel Stewart, Captain S. Wright, fly and the brigs Dragon and Amity, took a number of convicts and a small force composed of detachments of the 3rd and 93rd regiments. Victorias next settlement was at Portland, on the south west coast of what is now Victoria, edward Henty settled Portland Bay in 1834. Melbourne was founded in 1835 by John Batman, who set up a base in Indented Head, from settlement the region around Melbourne was known as the Port Phillip District, a separately administered part of New South Wales. Shortly after the now known as Geelong was surveyed by Assistant Surveyor W. H. Smythe. And in 1838 Geelong was officially declared a town, despite earlier white settlements dating back to 1826, days later, still in 1851 gold was discovered near Ballarat, and subsequently at Bendigo. Later discoveries occurred at sites across Victoria
5.
Tasmania
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Tasmania is an island state of the Commonwealth of Australia. It is located 240 km to the south of the Australian mainland, the state encompasses the main island of Tasmania, the 26th-largest island in the world, and the surrounding 334 islands. The state has a population of around 519,100, just over forty percent of which resides in the Greater Hobart precinct, Tasmanias area is 68,401 km2, of which the main island covers 64,519 km2. Though an island state, due to an error the state shares a land border with Victoria at its northernmost terrestrial point, Boundary Islet. The Bishop and Clerk Islets, about 37 km south of Macquarie Island, are the southernmost terrestrial point of the state of Tasmania, the island is believed to have been occupied by Aboriginals for 40,000 years before British colonisation. It is thought Tasmanian Aboriginals were separated from the mainland Aboriginal groups about 10,000 years ago when the sea rose to form Bass Strait. The conflict, which peaked between 1825 and 1831 and led to more than three years of law, cost the lives of almost 1100 Aboriginals and settlers. The near-destruction of Tasmanias Aboriginal population has been described by historians as an act of genocide by the British. The island was part of the Colony of New South Wales. In 1854 the present Constitution of Tasmania was passed and the year the state received permission to change its name to Tasmania. In 1901 it became a state through the process of the Federation of Australia, the state is named after Dutch explorer Abel Tasman, who made the first reported European sighting of the island on 24 November 1642. Tasman named the island Anthony van Diemens Land after his sponsor Anthony van Diemen, the name was later shortened to Van Diemens Land by the British. It was officially renamed Tasmania in honour of its first European discoverer on 1 January 1856, Tasmania was sometimes referred to as Dervon, as mentioned in the Jerilderie Letter written by the notorious Australian bushranger Ned Kelly in 1879. The colloquial expression for the state is Tassie, Tasmania is also colloquially shortened to Tas, especially when used in business names and website addresses. TAS is also the Australia Post abbreviation for the state, the reconstructed Palawa kani language name for Tasmania is Lutriwita. The island was adjoined to the mainland of Australia until the end of the last glacial period about 10,000 years ago, much of the island is composed of Jurassic dolerite intrusions through other rock types, sometimes forming large columnar joints. Tasmania has the worlds largest areas of dolerite, with many distinctive mountains, the central plateau and the southeast portions of the island are mostly dolerite. Mount Wellington above Hobart is an example, showing distinct columns known as the Organ Pipes
6.
Australian Capital Territory
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The Australian Capital Territory is the federal district in the south east of Australia, enclaved within New South Wales. Its only city is Canberra, the city of Australia. The ACT also has a strip of territory around the southern end of the Beecroft Peninsula. The need for a territory was flagged by colonial delegates during the Federation conventions of the late 19th century. Section 125 of the Australian Constitution provided that, following Federation in 1901, the territory was transferred to the Commonwealth by the state of New South Wales in 1911, two years prior to the naming of Canberra as the national capital in 1913. The floral emblem of the ACT is the royal bluebell and the emblem is the gang-gang cockatoo. The economic activity of the Australian Capital Territory is heavily concentrated around Canberra and this trend continued into 2016, when the territory was ranked the third best performing out of all of Australias states and territories. There is a proportion of young adults in the region compared with other Australian states or territories. Approximately one-fifth of ACT residents were born outside of Australia, mainly in the United Kingdom, almost one-fifth speak a language other than English at home, the most common being Chinese. The ACT also has a strip of territory around the southern end of the Beecroft Peninsula. Apart from the city of Canberra, the Australian Capital Territory also contains agricultural land, small townships and communities located within the ACT include Williamsdale, Naas, Uriarra, Tharwa and Hall. There are a range of mountains, rivers and creeks in the Namadgi National Park. These include the Naas and Murrumbidgee Rivers, Canberra is noted for its warm to hot, dry summers, and cold winters with occasional fog and frequent frosts. Many of the mountains in the territorys south-west are snow-covered for at least part of the winter. Thunderstorms can occur between October and March, and annual rainfall is 623 mm, with rainfall highest in spring and summer, the highest maximum temperature recorded in the ACT was 42.8 °C at Acton on 11 January 1939. The lowest minimum temperature was −14.6 °C at Gudgenby on 11 July 1971, notable geological formations in the Australian Capital Territory include the Canberra Formation, the Pittman Formation, Black Mountain Sandstone and State Circle Shale. In the 1840s fossils of brachiopods and trilobites from the Silurian period were discovered at Woolshed Creek near Duntroon, at the time, these were the oldest fossils discovered in Australia, though this record has now been far surpassed. Other specific geological places of interest include the State Circle cutting, the oldest rocks in the ACT date from the Ordovician around 480 million years ago
7.
Western Australia
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Western Australia is a state occupying the entire western third of Australia. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Southern Ocean to the south, the state has about 2.6 million inhabitants, around 11% of the national total. 92% of the lives in the south-west corner of the state. The first European visitor to Western Australia was the Dutch explorer Dirk Hartog, the first European settlement of Western Australia occurred following the landing by Major Edmund Lockyer on 26 December 1826 of an expedition on behalf of the New South Wales colonial government. This was followed by the establishment of the Swan River Colony in 1829, including the site of the present-day capital, york was the first inland settlement in Western Australia. Situated 97 kilometres east of Perth, it was settled on 16 September 1831, Western Australia achieved responsible government in 1890, and federated with the other British colonies in Australia in 1901. Today its economy relies on mining, agriculture and tourism. The state produces 46% of Australias exports, Western Australia is the second-largest iron ore producer in the world. The International Hydrographic Organization designates the body of water south of the continent as part of the Indian Ocean, the total length of the states eastern border is 1,862 km. There are 20,781 km of coastline, including 7,892 km of island coastline, the total land area occupied by the state is 2.5 million km2. Most of the state is a low plateau with an elevation of about 400 metres, very low relief. This descends relatively sharply to the plains, in some cases forming a sharp escarpment. The extreme age of the landscape has meant that the soils are remarkably infertile, even soils derived from granitic bedrock contain an order of magnitude less available phosphorus and only half as much nitrogen as soils in comparable climates in other continents. Soils derived from extensive sandplains or ironstone are even less fertile, nearly devoid of soluble phosphate and also deficient in zinc, copper, molybdenum, the infertility of most of the soils has required heavy application by farmers of chemical fertilisers, particularly superphosphate, insecticides and herbicides. These have resulted in damage to invertebrate and bacterial populations, the grazing and use of hoofed mammals and, later, heavy machinery through the years have resulted in compaction of soils and great damage to the fragile soils. Large-scale land clearing for agriculture has damaged habitats for native flora, large areas of the states wheatbelt region have problems with dryland salinity and the loss of fresh water. The southwest coastal area has a Mediterranean climate and it was originally heavily forested, including large stands of karri, one of the tallest trees in the world. This agricultural region is one of the nine most bio-diverse terrestrial habitats, thanks to the offshore Leeuwin Current, the area is one of the top six regions for marine biodiversity and contains the most southerly coral reefs in the world
8.
Latitude
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In geography, latitude is a geographic coordinate that specifies the north–south position of a point on the Earths surface. Latitude is an angle which ranges from 0° at the Equator to 90° at the poles, lines of constant latitude, or parallels, run east–west as circles parallel to the equator. Latitude is used together with longitude to specify the location of features on the surface of the Earth. Without qualification the term latitude should be taken to be the latitude as defined in the following sections. Also defined are six auxiliary latitudes which are used in special applications, there is a separate article on the History of latitude measurements. Two levels of abstraction are employed in the definition of latitude and longitude, in the first step the physical surface is modelled by the geoid, a surface which approximates the mean sea level over the oceans and its continuation under the land masses. The second step is to approximate the geoid by a mathematically simpler reference surface, the simplest choice for the reference surface is a sphere, but the geoid is more accurately modelled by an ellipsoid. The definitions of latitude and longitude on such surfaces are detailed in the following sections. Lines of constant latitude and longitude together constitute a graticule on the reference surface, latitude and longitude together with some specification of height constitute a geographic coordinate system as defined in the specification of the ISO19111 standard. This is of importance in accurate applications, such as a Global Positioning System, but in common usage, where high accuracy is not required. In English texts the latitude angle, defined below, is denoted by the Greek lower-case letter phi. It is measured in degrees, minutes and seconds or decimal degrees, the precise measurement of latitude requires an understanding of the gravitational field of the Earth, either to set up theodolites or to determine GPS satellite orbits. The study of the figure of the Earth together with its field is the science of geodesy. These topics are not discussed in this article and this article relates to coordinate systems for the Earth, it may be extended to cover the Moon, planets and other celestial objects by a simple change of nomenclature. The primary reference points are the poles where the axis of rotation of the Earth intersects the reference surface, the plane through the centre of the Earth and perpendicular to the rotation axis intersects the surface at a great circle called the Equator. Planes parallel to the plane intersect the surface in circles of constant latitude. The Equator has a latitude of 0°, the North Pole has a latitude of 90° North, the latitude of an arbitrary point is the angle between the equatorial plane and the radius to that point. The latitude, as defined in this way for the sphere, is termed the spherical latitude
9.
Law
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Law is a system of rules that are created and enforced through social or governmental institutions to regulate behavior. Law as a system helps regulate and ensure that a community show respect, private individuals can create legally binding contracts, including arbitration agreements that may elect to accept alternative arbitration to the normal court process. The formation of laws themselves may be influenced by a constitution, written or tacit, the law shapes politics, economics, history and society in various ways and serves as a mediator of relations between people. Islamic Sharia law is the worlds most widely used religious law, the adjudication of the law is generally divided into two main areas referred to as Criminal law and Civil law. Criminal law deals with conduct that is considered harmful to social order, Civil law deals with the resolution of lawsuits between individuals or organizations. Law provides a source of scholarly inquiry into legal history, philosophy, economic analysis. Law also raises important and complex issues concerning equality, fairness, there is an old saying that all are equal before the law, although Jonathan Swift argued that Laws are like cobwebs, which may catch small flies, but let wasps and hornets break through. In 1894, the author Anatole France said sarcastically, In its majestic equality, the law forbids rich and poor alike to sleep under bridges, beg in the streets, and steal loaves of bread. Writing in 350 BC, the Greek philosopher Aristotle declared, The rule of law is better than the rule of any individual, mikhail Bakunin said, All law has for its object to confirm and exalt into a system the exploitation of the workers by a ruling class. Cicero said more law, less justice, marxist doctrine asserts that law will not be required once the state has withered away. Regardless of ones view of the law, it today a completely central institution. Numerous definitions of law have been put forward over the centuries, at the same time, it plays only one part in the congeries of rules which influence behavior, for social and moral rules of a less institutionalized kind are also of great importance. There have been attempts to produce a universally acceptable definition of law. In 1972, one indicated that no such definition could be produced. McCoubrey and White said that the question what is law, glanville Williams said that the meaning of the word law depends on the context in which that word is used. He said that, for example, early customary law and municipal law were contexts where the law had two different and irreconcilable meanings. Thurman Arnold said that it is obvious that it is impossible to define the word law and it is possible to take the view that there is no need to define the word law. The history of law links closely to the development of civilization, Ancient Egyptian law, dating as far back as 3000 BC, contained a civil code that was probably broken into twelve books
10.
Government
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A government is the system by which a state or community is controlled. In the Commonwealth of Nations, the government is also used more narrowly to refer to the collective group of people that exercises executive authority in a state. This usage is analogous to what is called an administration in American English, finally, government is also sometimes used in English as a synonym for governance. In the case of its broad definition, government normally consists of legislators, administrators. Government is the means by which state policy is enforced, as well as the mechanism for determining the policy of the state. A form of government, or form of governance, refers to the set of political systems. Government of any kind currently affects every human activity in many important ways, in political science, it has long been a goal to create a typology or taxonomy of polities. as typologies of political systems are not obvious. It is especially important in the science fields of comparative politics. On the surface, identifying a form of government appears to be simple, the United States is a constitutional republic, while the former Soviet Union was a socialist republic. However self-identification is not objective, and as Kopstein and Lichbach argue, for example, elections are a defining characteristic of an electoral democracy, but in practice elections in the former Soviet Union were not free and fair and took place in a one-party state. Voltaire argued that the Holy Roman Empire is neither Holy, nor Roman, many governments that officially call themselves a democratic republic are not democratic, nor a republic, they are usually a dictatorship de facto. Communist dictatorships have been prone to use this term. For example, the name of North Vietnam was The Democratic Republic of Vietnam. China uses a variant, The Peoples Republic of China, thus in many practical classifications it would not be considered democratic. Experience with those movements in power, and the ties they may have to particular forms of government. For example, The meaning of conservatism in the United States has little in common with the way the words definition is used elsewhere, as Ribuffo notes, what Americans now call conservatism much of the world calls liberalism or neoliberalism. Since the 1950s conservatism in the United States has been associated with the Republican Party. However, during the era of segregation many Southern Democrats were conservatives, values are sorted from 1–100 based on level of democracy and political accountability
11.
Australia
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Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It is the worlds sixth-largest country by total area, the neighbouring countries are Papua New Guinea, Indonesia and East Timor to the north, the Solomon Islands and Vanuatu to the north-east, and New Zealand to the south-east. Australias capital is Canberra, and its largest urban area is Sydney, for about 50,000 years before the first British settlement in the late 18th century, Australia was inhabited by indigenous Australians, who spoke languages classifiable into roughly 250 groups. The population grew steadily in subsequent decades, and by the 1850s most of the continent had been explored, on 1 January 1901, the six colonies federated, forming the Commonwealth of Australia. Australia has since maintained a liberal democratic political system that functions as a federal parliamentary constitutional monarchy comprising six states. The population of 24 million is highly urbanised and heavily concentrated on the eastern seaboard, Australia has the worlds 13th-largest economy and ninth-highest per capita income. With the second-highest human development index globally, the country highly in quality of life, health, education, economic freedom. The name Australia is derived from the Latin Terra Australis a name used for putative lands in the southern hemisphere since ancient times, the Dutch adjectival form Australische was used in a Dutch book in Batavia in 1638, to refer to the newly discovered lands to the south. On 12 December 1817, Macquarie recommended to the Colonial Office that it be formally adopted, in 1824, the Admiralty agreed that the continent should be known officially as Australia. The first official published use of the term Australia came with the 1830 publication of The Australia Directory and these first inhabitants may have been ancestors of modern Indigenous Australians. The Torres Strait Islanders, ethnically Melanesian, were originally horticulturists, the northern coasts and waters of Australia were visited sporadically by fishermen from Maritime Southeast Asia. The first recorded European sighting of the Australian mainland, and the first recorded European landfall on the Australian continent, are attributed to the Dutch. The first ship and crew to chart the Australian coast and meet with Aboriginal people was the Duyfken captained by Dutch navigator, Willem Janszoon. He sighted the coast of Cape York Peninsula in early 1606, the Dutch charted the whole of the western and northern coastlines and named the island continent New Holland during the 17th century, but made no attempt at settlement. William Dampier, an English explorer and privateer, landed on the north-west coast of New Holland in 1688, in 1770, James Cook sailed along and mapped the east coast, which he named New South Wales and claimed for Great Britain. The first settlement led to the foundation of Sydney, and the exploration, a British settlement was established in Van Diemens Land, now known as Tasmania, in 1803, and it became a separate colony in 1825. The United Kingdom formally claimed the part of Western Australia in 1828. Separate colonies were carved from parts of New South Wales, South Australia in 1836, Victoria in 1851, the Northern Territory was founded in 1911 when it was excised from South Australia
12.
Sydney
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Sydney /ˈsɪdni/ is the state capital of New South Wales and the most populous city in Australia and Oceania. Located on Australias east coast, the metropolis surrounds the worlds largest natural harbour, residents of Sydney are known as Sydneysiders. The Sydney area has been inhabited by indigenous Australians for at least 30,000 years, the first British settlers, led by Captain Arthur Phillip, arrived in 1788 to found Sydney as a penal colony, the first European settlement in Australia. Since convict transportation ended in the century, the city has transformed from a colonial outpost into a major global cultural. As at June 2016 Sydneys estimated population was 5,005,358, in the 2011 census,34 percent of the population reported having been born overseas, representing many different nationalities and making Sydney one of the most multicultural cities in the world. There are more than 250 different languages spoken in Sydney and about one-third of residents speak a language other than English at home and it is classified as an Alpha+ World City by the Globalization and World Cities Research Network, indicating its influence in the region and throughout the world. Ranked eleventh in the world for economic opportunity, Sydney has a market economy with strengths in finance, manufacturing. Its gross regional product was $337 billion in 2013, the largest in Australia, there is a significant concentration of foreign banks and multinational corporations in Sydney and the city is promoted as one of Asia Pacifics leading financial hubs. Its natural features include Sydney Harbour, the Royal National Park, man-made attractions such as the Sydney Opera House, Sydney Tower and the Sydney Harbour Bridge are also well known to international visitors. The first people to inhabit the now known as Sydney were indigenous Australians having migrated from northern Australia. Radiocarbon dating suggests human activity first started to occur in the Sydney area from around 30,735 years ago, the earliest British settlers called them Eora people. Eora is the term the indigenous used to explain their origins upon first contact with the British. Its literal meaning is from this place, prior to the arrival of the British there were 4,000 to 8,000 native people in Sydney from as many as 29 different clans. Sydney Cove from Port Jackson to Petersham was inhabited by the Cadigal clan, the principal language groups were Darug, Guringai, and Dharawal. The earliest Europeans to visit the area noted that the people were conducting activities such as camping and fishing, using trees for bark and food, collecting shells. Development has destroyed much of the citys history including that of the first inhabitants, there continues to be examples of rock art and engravings located in the protected Ku-ring-gai Chase National Park. The first meeting between the people and the British occurred on 29 April 1770 when Lieutenant James Cook landed at Botany Bay on the Kurnell Peninsula. He noted in his journal that they were confused and somewhat hostile towards the foreign visitors, Cook was on a mission of exploration and was not commissioned to start a settlement
13.
Melbourne
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Melbourne is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in Australia and Oceania. The name Melbourne refers to an urban agglomeration spanning 9,900 km2, the metropolis is located on the large natural bay of Port Phillip and expands into the hinterlands towards the Dandenong and Macedon mountain ranges, Mornington Peninsula and Yarra Valley. It has a population of 4,641,636 as of 2016, and its inhabitants are called Melburnians. Founded by free settlers from the British Crown colony of Van Diemens Land on 30 August 1835, in what was then the colony of New South Wales, it was incorporated as a Crown settlement in 1837. It was named Melbourne by the Governor of New South Wales, Sir Richard Bourke, in honour of the British Prime Minister of the day, William Lamb, 2nd Viscount Melbourne. It was officially declared a city by Queen Victoria, to whom Lord Melbourne was close, in 1847, during the Victorian gold rush of the 1850s, it was transformed into one of the worlds largest and wealthiest cities. After the federation of Australia in 1901, it served as the interim seat of government until 1927. It is a financial centre in the Asia-Pacific region. It is recognised as a UNESCO City of Literature and a centre for street art, music. It was the host city of the 1956 Summer Olympics and the 2006 Commonwealth Games, the main passenger airport serving the metropolis and the state is Melbourne Airport, the second busiest in Australia. The Port of Melbourne is Australias busiest seaport for containerised and general cargo, Melbourne has an extensive transport network. The main metropolitan train terminus is Flinders Street Station, and the regional train. Melbourne is also home to Australias most extensive network and has the worlds largest urban tram network. Before the arrival of settlers, humans had occupied the area for an estimated 31,000 to 40,000 years. At the time of European settlement, it was inhabited by under 2000 hunter-gatherers from three indigenous tribes, the Wurundjeri, Boonwurrung and Wathaurong. The area was an important meeting place for the clans of the Kulin nation alliance and it would be 30 years before another settlement was attempted. Batman selected a site on the bank of the Yarra River. Batman then returned to Launceston in Tasmania, in early August 1835 a different group of settlers, including John Pascoe Fawkner, left Launceston on the ship Enterprize
14.
Canberra
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Canberra is the capital city of Australia. With a population of 381,488, it is Australias largest inland city, the city is located at the northern end of the Australian Capital Territory,280 km south-west of Sydney, and 660 km north-east of Melbourne. A resident of Canberra is known as a Canberran, the site of Canberra was selected for the location of the nations capital in 1908 as a compromise between rivals Sydney and Melbourne, Australias two largest cities. It is unusual among Australian cities, being a planned city outside of any state, similar to Washington, D. C. in the United States. Following an international contest for the design, a blueprint by American architects Walter Burley Griffin and Marion Mahony Griffin was selected. The Griffins plan featured geometric motifs such as circles, hexagons and triangles, the citys design was influenced by the garden city movement and incorporates significant areas of natural vegetation that have earned Canberra the title of the bush capital. Although the Australian Capital Territory is now self-governing, the Commonwealth Government retains some influence through the National Capital Authority, the Australian Armys officer corps is trained at the Royal Military College, Duntroon and the Australian Defence Force Academy is also located in the capital. The ACT is independent of any state to prevent any one state from gaining an advantage by hosting the seat of Commonwealth power, the ACT has voting representation in the Commonwealth Parliament, and has its own independent Legislative Assembly and government, similar to the states. Compared to the averages, the unemployment rate is lower. Property prices are high, in part due to comparatively restrictive development regulations. An 1830s map of the region by Major Mitchell indeed does mark the Sullivans Creek floodplain between two mountains as Nganbra. Nganbra or Nganbira could readily have been anglicised to the name Canberry, survey plans of the district dated 1837 refer to the area as the Canberry Plain. Although popularly pronounced /ˈkænbərə/ or /ˈkænbɛrə/, the pronunciation at its official naming in 1913 was /ˈkæn. brə/. Before white settlement, the area in which Canberra would eventually be constructed was seasonally inhabited by Indigenous Australians, archaeological evidence of settlement in the region includes inhabited rock shelters, rock paintings and engravings, burial places, camps and quarry sites, and stone tools and arrangements. Artefacts suggests early human activity occurred at some point in the area 21,000 years previously, European exploration and settlement started in the Canberra area as early as the 1820s. There were four expeditions between 1820 and 1824, white settlement of the area probably dates from 1823, when a homestead or station was built on what is now the Acton peninsula by stockmen employed by Joshua John Moore. He formally applied to purchase the site on 16 December 1826, on 30 April 1827, Moore was told by letter that he could retain possession of 1,000 acres at Canberry. The European population in the Canberra area continued to grow throughout the 19th century
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Food
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Food is any substance consumed to provide nutritional support for an organism. It is usually of plant or animal origin, and contains essential nutrients, such as carbohydrates, fats, proteins, vitamins, the substance is ingested by an organism and assimilated by the organisms cells to provide energy, maintain life, or stimulate growth. Historically, humans secured food through two methods, hunting and gathering and agriculture, today, the majority of the food energy required by the ever increasing population of the world is supplied by the food industry. They address issues such as sustainability, biological diversity, climate change, nutritional economics, population growth, water supply, most food has its origin in plants. Some food is obtained directly from plants, but even animals that are used as sources are raised by feeding them food derived from plants. Cereal grain is a food that provides more food energy worldwide than any other type of crop. Corn, wheat, and rice – in all of their varieties – account for 87% of all grain production worldwide, most of the grain that is produced worldwide is fed to livestock. Some foods not from animal or plant sources include various edible fungi, fungi and ambient bacteria are used in the preparation of fermented and pickled foods like leavened bread, alcoholic drinks, cheese, pickles, kombucha, and yogurt. Another example is blue-green algae such as Spirulina, inorganic substances such as salt, baking soda and cream of tartar are used to preserve or chemically alter an ingredient. Many plants and plant parts are eaten as food and around 2,000 plant species are cultivated for food, many of these plant species have several distinct cultivars. Seeds of plants are a source of food for animals, including humans, because they contain the nutrients necessary for the plants initial growth, including many healthful fats. In fact, the majority of food consumed by human beings are seed-based foods, edible seeds include cereals, legumes, and nuts. Oilseeds are often pressed to produce rich oils - sunflower, flaxseed, rapeseed, sesame, seeds are typically high in unsaturated fats and, in moderation, are considered a health food, although not all seeds are edible. Large seeds, such as those from a lemon, pose a choking hazard, fruits are the ripened ovaries of plants, including the seeds within. Many plants and animals have coevolved such that the fruits of the former are a food source to the latter. Fruits, therefore, make up a significant part of the diets of most cultures, some botanical fruits, such as tomatoes, pumpkins, and eggplants, are eaten as vegetables. Vegetables are a type of plant matter that is commonly eaten as food. These include root vegetables, bulbs, leaf vegetables, stem vegetables, animals are used as food either directly or indirectly by the products they produce
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Temperate climate
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In geography, temperate or tepid latitudes of Earth lie between the tropics and the polar regions. The temperatures in these regions are relatively moderate, rather than extremely hot or cold. The north temperate zone extends from the Tropic of Cancer to the Arctic Circle, the south temperate zone extends from the Tropic of Capricorn to the Antarctic Circle. In some climate classifications, the zone is often divided into several smaller climate zones. These include Humid subtropical climate, Mediterranean climate, oceanic, subtropical climates are located between 23. 5° and 35. 0° north or south latitude on the eastern or leeward sides of landmasses. This climate has long, generally hot, summers and short, mild winters and these climates may occur in southern Asia, the southeastern United States, parts of eastern Australia, and in eastern coastal South America. Mediterranean climates, occur between 30° and 42° north and south latitude, on the sides of landmasses. This climate has hot summers and short mild winters, however, seasonal rainfall is the opposite of that of the subtropical humid type. These climates occur near the rimlands of the Mediterranean Sea, in western Australia, in California, the oceanic climates occur in the higher middle latitudes, between 45° and 60° north and south latitude. They are created by the flow from the cool high latitude oceans to their west. This causes the climate to have cool summers and cool winters, annual rainfall is spread throughout the entire year. Regions with this climate include Western Europe, northwestern North America, the Continental climates occur in middle latitudes, between 35° or 40° to 55°. These climates are normally inland or on sides of landmasses. They feature warm to hot summers and cold winters, with a large temperature variation. Regions with this climate include northern temperate Asia, the northern United States, southern Canada, the vast majority of the worlds human population resides in temperate zones, especially in the northern hemisphere, due to its greater mass of land. The richest temperate flora in the world is found in southern Africa, geographical zone Habitat Köppen climate classification Middle latitudes Polar circle Subtropics
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Mediterranean climate
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A Mediterranean climate /ˌmɛdɪtəˈreɪniən/ or dry summer climate, is the climate typical of the lands in the Mediterranean Basin. The Mediterranean climate is characterised by dry summers and mild, moist winters, Mediterranean climate zones are associated with the four large subtropical high pressure cells of the oceans, the Azores High, South Atlantic High, North Pacific High, and South Pacific High. These climatological high pressure cells migrate by latitude according to the angle of the Sun, shifting north-eastward in the summer. These semi-permanent high pressure systems play a role in the formation of the worlds subtropical and tropical deserts as well as the Mediterranean Basins climate. The Azores High is associated with the Mediterranean climate found in the Mediterranean Basin, the Sahara Desert, the South Atlantic High is similarly associated with the Namib Desert and Kalahari Desert, and the Mediterranean climate of the western part of South Africa. Under the Köppen climate classification, hot climates and cool dry-summer climates are often referred to as mediterranean. Under the Köppen climate system, the first letter indicates the climate group, temperate climates or C zones have an average temperature above 0 °C, but below 18 °C, in their coolest months. The second letter indicates the precipitation pattern, Köppen has defined a dry summer month as a month with less than 30 mm of precipitation and with less than one-third that of the wettest winter month. Some, however, use a 40 mm level, the third letter indicates the degree of summer heat, a represents an average temperature in the warmest month above 22 °C, while b indicates the average temperature in the warmest month below 22 °C. Under the Köppen classification, dry-summer climates usually occur on the sides of continents. Under Trewarthas system, at least eight months must have average temperatures of 10 °C or higher, during summer, regions of mediterranean climate are dominated by subtropical high pressure cells, with dry sinking air capping a surface marine layer of varying humidity and making rainfall unlikely. In many Mediterranean climates there is a strong character to daily temperatures in the warm months. The majority of the regions with mediterranean climates have relatively mild winters, however winter and summer temperatures can vary greatly between different regions with a mediterranean climate. Or to consider summer, Athens experiences rather high temperatures in that season, in contrast, San Francisco has cool summers with daily highs around. In North America, areas with Csc climate can be found in the Olympic, Cascade, Klamath and these locations are found at high altitude nearby lower altitude regions characterized by a warm-summer mediterranean climate or hot-summer mediterranean climate. A rare instance of this occurs in the tropics, on Haleakalā Summit in Hawaii. In South America, Csc regions can be found along the Andes in Chile, the town of Balmaceda is one of the few towns confirmed to have this climate. Small areas with a Csc climate can also be found at elevations in Corsica
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Alpine climate
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Alpine climate is the average weather for the regions above the tree line. This climate is referred to as a mountain climate or highland climate. There are multiple definitions of alpine climate, one simple definition is the climate which causes trees to fail to grow due to cold. According to the Holdridge life zone system, alpine climate occurs when the mean biotemperature of a location is between 1.5 and 3 °C, which prevents tree growth. Biotemperature is defined as the temperature, except all temperatures below 0 °C are treated as 0 °C, in the Köppen climate classification, the alpine climate is part of Group E, along with the polar climate, where no month has a mean temperature higher than 10 °C. The temperature profile of the atmosphere is a result of an interaction between radiation and convection, sunlight in the visible spectrum hits the ground and heats it. The ground then heats the air at the surface, however, when air is hot, it tends to expand, which lowers its density. Thus, hot air tends to rise and transfer heat upward and this is the process of convection. Convection comes to equilibrium when a parcel at air at a given altitude has the density as its surroundings. Air is a conductor of heat, so a parcel of air will rise. This is known as a process, which has a characteristic pressure-temperature curve. As the pressure gets lower, the temperature decreases, the rate of decrease of temperature with elevation is known as the adiabatic lapse rate, which is approximately 9.8 °C per kilometre of altitude. Note that the presence of water in the atmosphere complicates the process of convection, water vapor contains latent heat of vaporization. As air rises and cools, it becomes saturated and cannot hold its quantity of water vapor. The water vapor condenses, and releases heat, which changes the rate from the dry adiabatic lapse rate to the moist adiabatic lapse rate. The actual lapse rate, called the lapse rate, is not constant. Therefore, moving up 100 metres on a mountain is roughly equivalent to moving 80 kilometres towards the pole and this relationship is only approximate, however, since local factors, such as proximity to oceans, can drastically modify the climate. As the altitude increases, the form of precipitation becomes snow
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Arid
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A region is arid when it is characterized by a severe lack of available water, to the extent of hindering or preventing the growth and development of plant and animal life. Environments subject to arid climates tend to lack vegetation and are called xeric or desertic, most arid climates surround the equator, these places include most of Africa and parts of South America, Central America and Australia. The distribution of aridity observed at any one point in time is largely the result of the circulation of the atmosphere. The latter does change significantly over time through climate change, for example, temperature increase across the Nile Basin over the next 30–40 years could change the region from semi-arid to arid, resulting in a significant reduction in agricultural land. In addition, changes in use can result in greater demands on soil water. Durrenberger, R. W. Arid Climates, article in The Encyclopedia of Climatology, p. 92-101, Edited by J. E. Oliver and R. W. Fairbridge, Van Nostrand Reinhold Company, New York, ISBN 0-87933-009-0. J Aridity Indexes, article in The Encyclopedia of Climatology, p. 102-107, Edited by J. E. Oliver and R. W. Fairbridge, Van Nostrand Reinhold Company, New York, blue Peace for the Nile Report,2009, Strategic Foresight Group
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Natural environment
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The natural environment encompasses all living and non-living things occurring naturally. The term is most often applied to the Earth or some part of Earth and this environment encompasses the interaction of all living species, climate, weather, and natural resources that affect human survival and economic activity. Even acts which seem less extreme, such as building a mud hut or a system in the desert. Though many animals build things to provide an environment for themselves, they are not human, hence beaver dams. People seldom find absolutely natural environments on Earth, and naturalness usually varies in a continuum, more precisely, we can consider the different aspects or components of an environment, and see that their degree of naturalness is not uniform. If, for instance, in a field, the mineralogic composition and the structure of its soil are similar to those of an undisturbed forest soil. Natural environment is used as a synonym for habitat. For instance, when we say that the environment of giraffes is the savanna. Earth science generally recognizes 4 spheres, the lithosphere, the hydrosphere, the atmosphere, and the biosphere as correspondent to rocks, water, air, and life respectively. Some scientists include, as part of the spheres of the Earth, Earth science, is an all-embracing term for the sciences related to the planet Earth. There are four major disciplines in sciences, namely geography, geology, geophysics. These major disciplines use physics, chemistry, biology, chronology, the Earths crust, or lithosphere, is the outermost solid surface of the planet and is chemically and mechanically different from underlying mantle. It has been generated greatly by igneous processes in which magma cools, beneath the lithosphere lies the mantle which is heated by the decay of radioactive elements. The mantle though solid is in a state of rheic convection and this convection process causes the lithospheric plates to move, albeit slowly. The resulting process is known as plate tectonics, volcanoes result primarily from the melting of subducted crust material or of rising mantle at mid-ocean ridges and mantle plumes. An ocean is a body of saline water, and a component of the hydrosphere. Approximately 71% of the Earths surface is covered by ocean, a body of water that is customarily divided into several principal oceans. More than half of area is over 3,000 meters deep
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Climate
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Climate is the statistics of weather, usually over a 30-year interval. Climate differs from weather, in that weather only describes the conditions of these variables in a given region. A regions climate is generated by the system, which has five components, atmosphere, hydrosphere, cryosphere, lithosphere. The climate of a location is affected by its latitude, terrain, climates can be classified according to the average and the typical ranges of different variables, most commonly temperature and precipitation. The most commonly used classification scheme was the Köppen climate classification, the Bergeron and Spatial Synoptic Classification systems focus on the origin of air masses that define the climate of a region. Paleoclimatology is the study of ancient climates, Climate models are mathematical models of past, present and future climates. Climate change may occur long and short timescales from a variety of factors. For example, a 3°C change in mean annual temperature corresponds to a shift in isotherms of approximately 300–400 km in latitude or 500 m in elevation, therefore, species are expected to move upwards in elevation or towards the poles in latitude in response to shifting climate zones. Climate is commonly defined as the weather averaged over a long period, the standard averaging period is 30 years, but other periods may be used depending on the purpose. Climate also includes statistics other than the average, such as the magnitudes of day-to-day or year-to-year variations, the classical period is 30 years, as defined by the World Meteorological Organization. These quantities are most often surface variables such as temperature, precipitation, Climate in a wider sense is the state, including a statistical description, of the climate system. The World Meteorological Organization describes climate normals as reference points used by climatologists to compare current climatological trends to that of the past or what is considered normal, a Normal is defined as the arithmetic average of a climate element over a 30-year period. A30 year period is used, as it is enough to filter out any interannual variation or anomalies. The WMO originated from the International Meteorological Organization which set up a commission for climatology in 1929. At its 1934 Wiesbaden meeting the commission designated the thirty-year period from 1901 to 1930 as the reference time frame for climatological standard normals. In 1982 the WMO agreed to update climate normals, and in these were completed on the basis of climate data from 1 January 1961 to 31 December 1990. The difference between climate and weather is usefully summarized by the popular phrase Climate is what you expect, weather is what you get. Over historical time spans there are a number of nearly constant variables that determine climate, including latitude, altitude, proportion of land to water and these change only over periods of millions of years due to processes such as plate tectonics
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Tropical climate
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A tropical climate in the Köppen climate classification it is a non-arid climate in which all twelve months have mean temperatures of at least 18 °C. In tropical climates there is only two seasons, a wet season and a dry season. Tropical climates are frost-free and changes in the angle are small. In tropical climates temperature remains constant throughout the year. Within the tropical climate there are distinct varieties based on precipitation, In the Tropical rainforest climate. These climates usually occur within 5–10° latitude of the equator, in some eastern coast areas, they may extend to as much as over 26° away from the equator. This climate is dominated by the doldrums Low Pressure System all year round and it is dominated by the monsoon winds which change direction according to the seasons. This climate has a driest month with less than 60 millimetres. Examples, Southern part of Arabian Peninsula, mountaintops within the tropics, e. g. Mount Kenya, can be cold. However, like lowlands in the tropics, there is seasonal variation of temperature. Because of the effect of sun angle on climate most areas within the tropics are hot year-round, the ITCZ is shown, for July average, in the graphic. Areas of ascending air have heavy rainfall, areas of descending air are dry, the ITCZ somewhat follows the solar equator throughout the year, but with geographical variations, and in some areas is heavily influenced by local large-scale monsoons
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Northern Australia
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The term Northern Australia includes Queensland and the Northern Territory. The part of Western Australia north of latitude 26° south—a definition widely used in law, the 26th Parallel also defines the southern border of the NT, whereas much of the southern border of Queensland is defined by 29° south. Although it comprises half of the total area of Australia. However, it includes several sources of Australian exports, being coal from the Great Dividing Range in Queensland/New South Wales and it also includes major natural tourist attractions, such as Uluru, the Great Barrier Reef and the Kakadu National Park. Almost all of Northern Australia is an ancient craton that has not experienced geological upheaval since the end of the Precambrian. The only exception to this generalisation is the Wet Tropics of northern Queensland, the vast craton in the north and west contains a number of quite rugged mountain ranges, of which the highest are the MacDonnell and Musgrave Ranges on the southern border of the Northern Territory. These rise to over 1,500 metres, but the most spectacular features are the deep gorges of rivers such as the Finke. Most of the craton, however, is flat and generally low-lying with an average elevation of around 400 metres. The climate of the north of Australia ranges from arid in the south to monsoonal in the Top End, on the eastern coast, however, the climate is much more humid and ranges from humid sub-tropical to humid tropical in the Wet Tropics. For instance, in Burketown, the months May to September are rainless in over fifty percent of years, temperatures in summer are generally unpleasantly hot apart from the eastern coastal belt. Maximum temperatures elsewhere between October and April range from 30 °C in the south in April to around 40 °C in the inland Pilbara, further north, maxima are consistently around 32 °C but extreme humidity makes conditions very unpleasant. On the coast, maxima in January range from 29 °C in the south to 32 °C, with minima generally around 21 °C. In July, temperatures show a range, from 31 °C in the north to around 19 °C in the south. The above generalisations, however, mask the variability of the climate throughout the whole region. With the exception of the north of the Northern Territory. For example, at Charters Towers, the rainfall over the wet season can vary from less than 100 millimetres in 1901/1902 to over 2,000 millimetres in 1973/1974. Tropical cyclones may cross the coast anywhere in Northern Australia but are most frequent between Derby and Onslow on the west side and between Cooktown and Rockhampton on the east. Inland, variability of rainfall is related to the penetration of the monsoon, with high rainfall in seasons like 1973/1974, 1975/1976
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Geographic coordinate system
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A geographic coordinate system is a coordinate system used in geography that enables every location on Earth to be specified by a set of numbers, letters or symbols. The coordinates are chosen such that one of the numbers represents a vertical position. A common choice of coordinates is latitude, longitude and elevation, to specify a location on a two-dimensional map requires a map projection. The invention of a coordinate system is generally credited to Eratosthenes of Cyrene. Ptolemy credited him with the adoption of longitude and latitude. Ptolemys 2nd-century Geography used the prime meridian but measured latitude from the equator instead. Mathematical cartography resumed in Europe following Maximus Planudes recovery of Ptolemys text a little before 1300, in 1884, the United States hosted the International Meridian Conference, attended by representatives from twenty-five nations. Twenty-two of them agreed to adopt the longitude of the Royal Observatory in Greenwich, the Dominican Republic voted against the motion, while France and Brazil abstained. France adopted Greenwich Mean Time in place of local determinations by the Paris Observatory in 1911, the latitude of a point on Earths surface is the angle between the equatorial plane and the straight line that passes through that point and through the center of the Earth. Lines joining points of the same latitude trace circles on the surface of Earth called parallels, as they are parallel to the equator, the north pole is 90° N, the south pole is 90° S. The 0° parallel of latitude is designated the equator, the plane of all geographic coordinate systems. The equator divides the globe into Northern and Southern Hemispheres, the longitude of a point on Earths surface is the angle east or west of a reference meridian to another meridian that passes through that point. All meridians are halves of great ellipses, which converge at the north and south poles, the prime meridian determines the proper Eastern and Western Hemispheres, although maps often divide these hemispheres further west in order to keep the Old World on a single side. The antipodal meridian of Greenwich is both 180°W and 180°E, the combination of these two components specifies the position of any location on the surface of Earth, without consideration of altitude or depth. The grid formed by lines of latitude and longitude is known as a graticule, the origin/zero point of this system is located in the Gulf of Guinea about 625 km south of Tema, Ghana. To completely specify a location of a feature on, in, or above Earth. Earth is not a sphere, but a shape approximating a biaxial ellipsoid. It is nearly spherical, but has an equatorial bulge making the radius at the equator about 0. 3% larger than the radius measured through the poles, the shorter axis approximately coincides with the axis of rotation
