Melissa,
This month Chemical Geology has a Special Issue on the Global Carbon Cycle.
There are several papers on 13C in rivers.
There are two papers, one on the Ottawa River and the other on the St.
Lawrence, published by our group. Another one on the Indus River will be
published soon in a sp. issue of the same journal. In this paper we report
low concentrations and close to zero or positive d13C for some headwater
tributaries.
Ajaz
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Ajaz Karim, Ph.D.
Department of Earth Sciences
University of Ottawa, Ottawa
Ontario, Canada K1N 6N5
Tel: (613) 562-5800 ext 6639
Fax: (613) 562-5192
http://www.science.uottawa.ca/~users/karim/default.htm