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History
Stream restoration
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Stream restoration or river restoration, also sometimes referred to as river reclamation, is work conducted to improve the environmental health of a river or stream, in support of biodiversity, recreation, flood management and/or landscape development.
Robinson Creek in Boonville, California, had highly eroded stream banks prior to initiation of a stream restoration project.
Robinson Creek in Boonville, California, had highly eroded stream banks prior to initiation of a stream restoration project.
Robinson Creek restoration project (2005) included re-shaping of stream-bank slopes, addition of live willow plants and large, rock baffles, removal o
Robinson Creek restoration project (2005) included re-shaping of stream-bank slopes, addition of live willow plants and large, rock baffles, removal of invasive species and revegetation with indigenous species.
Cross-vanes
Cross-vanes
Boulder step pools installed in Rock Creek, Washington, D.C. The pools raise the water level and allow fish to swim over a partially-submerged sewer p
Boulder step pools installed in Rock Creek, Washington, D.C. The pools raise the water level and allow fish to swim over a partially-submerged sewer pipe which crosses the creek.
Geomorphology
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Geomorphology is the scientific study of the origin and evolution of topographic and bathymetric features generated by physical, chemical or biological processes operating at or near Earth's surface. Geomorphologists seek to understand why landscapes look the way they do, to understand landform and terrain history and dynamics and to predict changes through a combination of field observations, physical experiments and numerical modeling. Geomorphologists work within disciplines such as physical geography, geology, geodesy, engineering geology, archaeology, climatology, and geotechnical engineering. This broad base of interests contributes to many research styles and interests within the field.
Badlands incised into shale at the foot of the North Caineville Plateau, Utah, within the pass carved by the Fremont River and known as the Blue Gate.
Badlands incised into shale at the foot of the North Caineville Plateau, Utah, within the pass carved by the Fremont River and known as the Blue Gate. GK Gilbert studied the landscapes of this area in great detail, forming the observational foundation for many of his studies on geomorphology.
Surface of Earth, showing higher elevations in red.
Surface of Earth, showing higher elevations in red.
Waves and water chemistry lead to structural failure in exposed rocks
Waves and water chemistry lead to structural failure in exposed rocks
"Cono de Arita" at the dry lake Salar de Arizaro on the Atacama Plateau, in northwestern Argentina. The cone itself is a volcanic edifice, representin
"Cono de Arita" at the dry lake Salar de Arizaro on the Atacama Plateau, in northwestern Argentina. The cone itself is a volcanic edifice, representing complex interaction of intrusive igneous rocks with the surrounding salt.