Ocean-atmosphere carbon exchange: impact of the “biological pump” in the Atlantic equatorial upwelling belt over the last 330,000 years

U Struck, M Sarnthein, L Westerhausen… - Palaeogeography …, 1993 - Elsevier
… = 0.8), we infer that the "biological pump" strongly controlled the local carbon transfer between
… seawater pCO 2 by more than 4000 years and thus was controlled by climate components …

PCO2 Variations of Equatorial Surface Water Over the Last 330,000 Years: The δ13C Record of Organic Carbon

L Westerhausen, M Sarnthein, U Struck… - Carbon Cycling in the …, 1994 - Springer
… the "biological pump" dominates over the role of physical outgassing linked to variations in
equatorial upwelling over the last 330,000 years. On the … 330,000 to 170,000 years ago the …

[PDF][PDF] PC02 VARIATIONS OF EQUATORIAL SURFACE WATER OVER THE LAST 330,000 YEARS: THE 013C RECORD OF ORGANIC CARBON

L Westerhausen, M Sarnthein, U Struck, H Erlenkeuser… - 1994 - academia.edu
… the "biological pump" dominates over the role of physical outgassing linked to variations in
equatorial upwelling over the last 330,000 years. On the … 330,000 to 170,000 years ago the …

Biogenic sediments in the West Caroline Basin, the western equatorial Pacific during the last 330,000 years

H Kawahata, A Suzuki, N Ahagon - Marine Geology, 1998 - Elsevier
… The spectral analysis of MAR Organic indicates that the western equatorial Pacific reaches
a maximum in MAR Organic approximately 7000 years before the maxima in the eastern …

Role of regional bioproductivity in atmospheric CO2 changes

JJ Rich, D Hollander… - Global biogeochemical …, 1999 - Wiley Online Library
… , dm 3, and when using the time unit of year we abbreviate with the recommended symbol "a"
.… between the biological pump and the atmospheric CO2 level. The "biological pump" refers …

Significance of the carbon sink produced by H2O–carbonate–CO2–aquatic phototroph interaction on land

Z Liu, W Dreybrodt - Science Bulletin, 2015 - Elsevier
… cycle by means of the so-called biological pump [31]. Aquatic … its outflow enhances the
biological pumping effect of CO 2 , … large region over the past 50 years. These observations have …

Implications of a carbonate ion effect on shell carbon and oxygen isotopes for glacial ocean conditions

DW Lea, J Bijma, HJ Spero, D Archer - Use of Proxies in …, 1999 - Springer
… reduction achieved via ocean alkalinity increase as opposed to a stronger biological pump.
… of the "biological pump" in the Atlantic equatorial upwelling belt over the last 330,000 years. …

Abrupt CO2 release to the atmosphere under glacial and early interglacial climate conditions

C Nehrbass-Ahles, J Shin, J Schmitt, B Bereiter, F Joos… - Science, 2020 - science.org
… dioxide record from 330,000 to 450,000 years before present… is only available for the past
~60 thousand years (ka), that is, … (46); and efficiency of the biological pump caused by either …

Western equatorial Pacific productivity and carbonate dissolution over the last 550 kyr: Foraminiferal and nannofossil evidence from ODP Hole 807A

J Zhang, P Wang, Q Li, X Cheng, H Jin… - Marine …, 2007 - Elsevier
… cycles over the last 550 kyr (kilo year) in the western equatorial Pacific. Our … biological pump
globally (Archer et al., 2000a, Archer et al., 2000b). Therefore, activity of the biological pump

Changes of marine productivity and sedimentary environment recorded by biogenic components in the Antarctica Ross Sea since the last deglaciation

C Xiu, M Du, X Zhang, S Huo - Journal of oceanology and limnology, 2020 - Springer
biological pump and was the main producer of marine organic matter. Using the AMS 14C
age framework, foraminiferal fossils and redox sensitive elements (RSEs), we found that both …