Iron cycle
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The iron cycle is the biogeochemical cycle of iron through the atmosphere, hydrosphere, biosphere and lithosphere. While Fe is highly abundant in the Earth's crust, it is less common in oxygenated sur
Role of marine animals in the cycling of iron in the Southern Ocean
Biogeochemical cycling of dissolved iron in the surface ocean LS, strong iron binding ligand; LW, weak iron binding ligand; FeLS, iron complexed by strong iron binding ligand; FeLw, iron complexed by weak iron binding ligand; Fe(II), all sum of all Fe(II) species; Fe′, the sum of all inorganic Fe(III) species; Fecol, colloidal iron species; Fepart, iron in the particulate phase; hv, photon flux; O2, dissolved oxygen; and H2O2, dissolved hydrogen peroxide.
Iron fertilization
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Iron fertilization refers to both natural and intentional processes that replenish iron in the upper ocean. Iron can stimulate the growth of phytoplankton, which remove carbon dioxide from the atmosph
Iron cycle
…Pacific Ocean. In the subtropics, tropics and HNLC regions, increased inputs of iron may lead to increased CO2 uptake, impacting the global carbon cycle. Iron fertilization Iron-oxidizing bacteria…
An oceanic phytoplankton bloom in the South Atlantic Ocean, off the coast of Argentina covering an area about 300 by 50 miles (500 by 80 km)
An oceanic phytoplankton bloom in the North Sea off the coast of eastern Scotland
A "red tide" off the coast of La Jolla, San Diego, California.