期刊
WATER RESOURCES
卷 44, 期 3, 页码 399-416出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0097807817030113
关键词
Selenga river system; Lake Baikal; water quality assessment; transboundary rivers; geodatabase
资金
- International Bureau of the German Federal Ministry for Education and Research [01DJ13013, 01DJ14013]
- Russian Geographical Society
- German Federal Ministry of Education and Research
- German Academic Exchange Service (DAAD) scholarship [A/12/97034]
- Project Management Agency Julich [033L003]
- Russian Scientific Foundation [14-17-00155]
- Russian Science Foundation [17-17-00013] Funding Source: Russian Science Foundation
The Selenga River is the main artery feeding Lake Baikal. It has a catchment of similar to 450000 km(2) in the boundary region between Northern Mongolia and Southern Siberia. Climate, land use and dynamic socioeconomic changes go along with rising water abstractions and contaminant loads originating from mining sites and urban wastewater. In the future, these pressures might have negative impacts on the ecosystems of Lake Baikal and the Selenga River Delta, which is an important wetland region in itself and forms the last geobiochemical barrier before the Selenga drains into Lake Baikal. The following study aims to assess current trends in hydrology and water quality in the Selenga-Baikal basin, identify their drivers and to set up models (WaterGAP3 framework and ECOMAG) for the prediction of future changes. Of particular relevance for hydrological and water quality changes in the recent past were climate and land use trends as well as contaminant influx from mining areas and urban settlements. In the near future, additional hydrological modifications due to the construction of dams and abstractions/water diversions from the Selenga's Mongolian tributaries could lead to additional alterations.
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