By Michael J. R. Fasham, Hugh W. Ducklow (auth.), Michael J. R. Fasham (eds.)
Oceans account for fifty% of the anthropogenic CO2 published into the ambience. prior to now 15 years a global programme, the Joint international Ocean Flux research (JGOFS), has been learning the sea carbon cycle to quantify and version the organic and actual procedures wherein CO2 is pumped from the ocean's floor to the depths of the sea, the place it may well stay for centuries. This undertaking is likely one of the biggest multi-disciplinary reviews of the oceans ever performed and this ebook synthesises the consequences. It covers all facets of the subject starting from air-sea trade with CO2, the function of actual blending, the uptake of CO2 by marine algae, the fluxes of carbon and nitrogen in the course of the marine nutrition chain to the following export of carbon to the depths of the sea. exact emphasis is laid on predicting destiny climatic change.
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Extra info for Ocean Biogeochemistry: The Role of the Ocean Carbon Cycle in Global Change
Surface nitrate distribution across the Southern Ocean is characterised by high concentrations to the south of the Polar Front and lower concentrations to the north(2). The meridional transport of water masses across the Southern Ocean varies with depth: upper waters spread northwards including subducted AAIW, while the underlying NADW spreads southwards and AABW spreads northwards along the bottom (Fig. 4). These meridional transfers are crucial in redistributing nutrients around the globe and returning nutrients from deep waters to intermediate and surface waters.
1994) – this depth is typically up to a few 10s of metres in spring. The mixed-layer thickens in winter and shoals in spring. In the light-limited subpolar region (left panel) the bloom occurs in spring when phytoplankton are confined within the critical layer. In the subtropics (right panel) it occurs when winter convection supplies nutrients. b Illustration of the relationship of bloom intensity and physical forcing for 1997 bloom in the N. Atlantic. The figures show remotely observed chlorophyll (SeaWiFS, level 3) vs.
Marine Research 2:83–103 Barber RT (1988) Ocean basin ecosystems. In: Alberts J, Pomeroy LR (eds) Concepts of ecosystem ecology: a comparative view. Springer-Verlag, New York, pp 171–193 Barber RT, Sanderson MP, Lindley ST, Chai F, Newton J, Trees CC, Foley DG, Chavez FP (1996) Primary productivity and its regulation in the equatorial Pacific during and following the 1991–1992 El Niño. Deep-Sea Res Pt II 43:933–969 Benner R, Strom S (1993) A critical evaluation of the analytical blank associated with DOC measurements by high-temperature catalytic oxidation.
Ocean Biogeochemistry: The Role of the Ocean Carbon Cycle in Global Change by Michael J. R. Fasham, Hugh W. Ducklow (auth.), Michael J. R. Fasham (eds.)