SOURCES OF CONTINENTAL DUST OVER ANTARCTICA DURING THE LAST GLACIAL CYCLE

被引：32

作者：

DEANGELIS, M ^{[1
]}

BARKOV, NI ^{[1
]}

PETROV, VN ^{[1
]}

机构：

[1] LENINGRAD ARCTIC & ANTARCTIC RES INST,LENINGRAD 199226,USSR

来源：

JOURNAL OF ATMOSPHERIC CHEMISTRY | 1992年 / 14卷 / 1-4期

关键词：

CONTINENTAL DUST; ANTARCTICA; PALEOENVIRONMENT; CLIMATIC CYCLE;

D O I：

10.1007/BF00115236

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The soluble and insoluble parts of 4 major components (Al, Ca, K and Mg) of the continental dust input over East Antarctica, as well as size distribution parameters of the insoluble part of this dust, have been studied along an ice core which spans the last climatic cycle (160 kyr). These results provide a better understanding of the respective impact of the different potential dust sources. While Al and K were probably entrapped in illite originating from arid areas and in a lesser extent from shallow marine sediments, Ca and Mg inputs were dominated by marine carbonate of exposed continental shelves emissions.

引用

页码：233 / 244

页数：12

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