Productivity of the Glacial Ocean: Discussion of the Iron Hypothesis

An increase in the productivity of the glacial-age Southern Ocean has been postulated to explain the decrease in $pCO_2$ of the atmosphere observed in ice cores. A plausible mechanism has been proposed elsewhere that productivity is limited by the availability of Fe in this region and that the great...

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Veröffentlicht in:	Limnology and oceanography 1991-12, Vol.36 (8), p.1899-1918
Hauptverfasser:	Berger, W. H., Wefer, G.
Format:	Artikel
Sprache:	eng
Schlagworte:	290301 - Energy Planning & Policy- Environment, Health, & Safety- Regional & Global Environmental Aspects- (1992-) 540320 - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-) 560300 - Chemicals Metabolism & Toxicology 580000 - Geosciences Animal and plant ecology Animal, plant and microbial ecology ANTARCTIC OCEAN AQUATIC ORGANISMS Atmospherics BIOGEOCHEMISTRY Biological and medical sciences BIOLOGICAL AVAILABILITY CARBON COMPOUNDS CARBON DIOXIDE CARBON OXIDES CARBON SINKS CARBOXYLIC ACIDS CHALCOGENIDES CHEMISTRY CHLOROPHYLL Diatoms Earth, ocean, space ECOLOGICAL CONCENTRATION ELEMENTS ENERGY PLANNING, POLICY AND ECONOMY ENVIRONMENTAL SCIENCES Exact sciences and technology External geophysics Fundamental and applied biological sciences. Psychology GEOCHEMISTRY GEOSCIENCES Glacial landforms Global Consequences: Past and Future HETEROCYCLIC ACIDS HETEROCYCLIC COMPOUNDS IRON Marine METALS NUTRIENTS Oceans Opal ORGANIC ACIDS ORGANIC COMPOUNDS ORGANIC NITROGEN COMPOUNDS OXIDES OXYGEN COMPOUNDS Physics of the oceans PHYTOCHROMES PHYTOPLANKTON PIGMENTS PLANKTON PLANTS PORPHYRINS PRODUCTIVITY PROTEINS RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT Sea water Sea water ecosystems Sea-air exchange processes SEAS Sediments SINKS Surface water SURFACE WATERS Synecology TRANSITION ELEMENTS UPWELLING Upwelling water
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