COASTAL UPWELLING AND ATMOSPHERIC CO2 CHANGES OVER THE LAST 400,000 YEARS - PERU

被引：13

作者：

SCHRADER, H

机构：

[1] Department of Geology, University of Bergen, N-5007 Bergen

来源：

MARINE GEOLOGY | 1992年 / 107卷 / 04期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0025-3227(92)90074-R

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

A transfer function relating diatom assemblages in surface sediments and primary production in the photic zone was used to calculate variations in primary production in hole ODP Leg 112, Site 681A over the last 400 kyr. Primary production off central Peru was enhanced during peak glaciations and it decreased during peak interglacials, but low and high production periods also occurred in both glacials and interglacials. The close resemblance of the primary production curve off Peru to the atmospheric CO2 Vostok record suggests a relationship between the Peruvian neritic biological pump and atmospheric pCO2.

引用

页码：239 / 248

页数：10

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