By Ingeborg Levin (auth.), Rainer Zahn, Thomas F. Pedersen, Michael A. Kaminski, Laurent Labeyrie (eds.)
A accomplished development file at the multi-disciplinary box of ocean and weather switch study is given. It compiles introductory history papers and prime clinical effects at the ocean-atmosphere carbon cycle with emphasis at the ocean's carbon stock and many of the elements concerned. the connection among plankton productiveness, carbon fixation, oceanic PCO2 and weather swap is investigated from the perspective of long term climatic swap throughout the past due Quaternary cycles of ice a long time and hot a while. a number of the methods variety from micropaleontology over natural and hint point geochemistry to molecular isotope geochemistry.
Read or Download Carbon Cycling in the Glacial Ocean: Constraints on the Ocean’s Role in Global Change: Quantitative Approaches in Paleoceanography PDF
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Extra info for Carbon Cycling in the Glacial Ocean: Constraints on the Ocean’s Role in Global Change: Quantitative Approaches in Paleoceanography
Paleoceanography 7: 289-318. Sarmiento JL, and JR Toggweiler (1984) A new model for the role of the oceans in determining atmospheric pC02. Nature 308, 620-624. Sarnthein M, H Erlenkeuser, R von Grafenstein and C Schroder (1984) Stable-isotope stratigraphy for the last 750,000 years: "Meteor" core 13519 from the eastern Atlantic. , Reihe C, 38: 9-24. Siegenthaler U, and T Wenk (1984) Rapid atmospheric C02 variations and ocean circulation. Nature 308: 624-626. Stuiver M, and HD Polach (1977) Discussion reporting of 14C data.
In all experiments the global new production values change only slightly (Table 1). The reduction in pC~ associated with experiments HO and HS is in part due to a slight decrease of calcite production in the ocean surface layer due to the temperature dependence of the modelled rain ratio. 32 [C03--J [(MOLES/LlTER)·,0"-6J ATLANTlC OCEAN Figure 10: [CO~-l cross section along the eastern Atlantic Ocean for scenario HI. ) [C03--J [(MOLES/LITER)·,0··-6] PACLFlC OCEAN Figure 11: [CO~-l cross section along the eastern Pacific Ocean for scenario HI.
They reveal, however, different responses of the lysocline depth level. For run HO and HS lysocline depths change only little with a general trend towards slightly greater depths except for the Pacific value in run HS where the lysocline shallows slightly. This shoaling can be explained by the decreased outgassing of upwelled C02 due to the prescribed drastic decrease in the surface salinity. Changes of lysocline depths are remarkably stronger in the case HI with additional inventory increases (Figures 10 and 11, Table 3).
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