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2004

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Marine Biology

(10 degrees 30 ' N

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Full-Text Articles in Life Sciences

Generation, Transport, And Preservation Of The Alkenone-Based U37K' Sea Surface Temperature Index In The Water Column And Sediments Of The Cariaco Basin (Venezuela), Miguel A. Goni, Mark P. Woodworth, Heather L. Aceves, Robert C. Thunell, Eric Tappa, David Black, Frank E. Muller-Karger, Yrene Astor, Ramon Varela Jun 2004

Generation, Transport, And Preservation Of The Alkenone-Based U37K' Sea Surface Temperature Index In The Water Column And Sediments Of The Cariaco Basin (Venezuela), Miguel A. Goni, Mark P. Woodworth, Heather L. Aceves, Robert C. Thunell, Eric Tappa, David Black, Frank E. Muller-Karger, Yrene Astor, Ramon Varela

Marine Science Faculty Publications

Alkenone fluxes in the water column of the Cariaco Basin ranged from 12 to 20 μg m−2 d−1 and were inversely related to upwelling strength. The U37K′ ratios of sinking particles varied from 0.78 to 0.96 and exhibited seasonal changes that were coherent with a 7°C variation in sea surface temperature (SST). The correlation between SST and U37K′ ratios closely overlapped with the calibration of Prahl et al. [1988]. Alkenone burial fluxes in Cariaco Basin sediments varied markedly over the past ∼6000 years, ranging from 0.2 to 5 μg m ...