SR-87 SR-86 RATIO VARIATION DURING A RAIN EVENT

被引:21
作者
DUPRE, B [1 ]
NEGREL, P [1 ]
SEIMBILLE, F [1 ]
ALLEGRE, CJ [1 ]
机构
[1] UNIV PARIS 07,UER SCI TERRE,INST PHYS GLOBE PARIS,GEOCHIM & COSMOCHIM LAB,F-75252 PARIS,FRANCE
关键词
RAIN EVENT; STRONTIUM ISOTOPES; MAJOR ELEMENTS; TRACE ELEMENTS; CONGO BASIN;
D O I
10.1016/1352-2310(94)90038-8
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The strontium isotopic composition of 13 rainwater samples collected in November 1988 during a single rain event in the People's Republic of Congo range from 0.71326 to 0.71035 between the beginning and the end of the event. The isotopic variations are correlated with major and trace cation ratios. The coupled variation of isotopic and major elements ratios clearly implies the existence of at least two different aerosol sources. However, the lack of correlation between the Na/Sr, K/Sr and Sr-87/Sr-86 ratios indicates a more complex process than a simple binary mixing.
引用
收藏
页码:617 / 620
页数:4
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