| Issue |
E3S Web Conf.
Volume 98, 2019
16th International Symposium on Water-Rock Interaction (WRI-16) and 13th International Symposium on Applied Isotope Geochemistry (1st IAGC International Conference)
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|---|---|---|
| Article Number | 07021 | |
| Number of page(s) | 5 | |
| Section | Geochemistry of Natural Waters: From Atmospheric Precipitations to Deep Brines | |
| DOI | https://doi.org/10.1051/e3sconf/20199807021 | |
| Published online | 07 June 2019 | |
Contamination risk assessment of the Transboundary Zeravshan River using chemical and isotopic studies
Institute of Water Problems, Hydropower and Ecology AS RT, 14a Ayni Str., 734042, Dushanbe, Tajikistan
* Corresponding author: inomconfintern@gmail.com
The results of chemical and isotope analyses of water of the Zeravshan River are presented. Results show that the low salinity of the river water in the upstream reach is formed mainly by water dissolution of minerals in natural rocks, i.e. the existence of a water-rock interaction process. The detection of heavy cations in the composition of the river water is due to their transport long distances in the form of microparticles by wind and accumulation in snow cover and glaciers. During the melting of snow and glaciers, and during rain events, pollutants are carried by streams, small rivers, and finally by Zeravshan River that distributes the pollutants over long distances.
© The Authors, published by EDP Sciences, 2019
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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