The responses of hydro—environment system in the Second Songhua River Basin to melt water |
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| Authors: | Yan Denghua Deng Wei He Yan |
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| Institution: | (1) Northeast Institute of Geography and Agricultural Ecology, CAS, 130021 Changchun, China |
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| Abstract: | Based on the continuous monitoring data of hydrology and water quality in the period from 1972 to 1997, the responses of hydro-environment
system to melt water in the Second Songhua River basin were derived. Because of melt water, the water quality in the Second
Songhua River is good and changes very except that the contents of Hg and Mn in the water are higher. The contribution of
melt water to the water fluxes in the Second Songhua River basin is distinct: the water flow in April increases remarkably,
reaches the peak in the upper reaches. The pollutant contributions and water pollution indices (WPIs) of the Second Songhua
River in April are high in the upper reaches while that in the lower reaches are low. The responses of hydro-environment system
to melt water of that basin are affected by content of packed snow and the underlining surface systems. |
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| Keywords: | snow and ice water quality melt water hydro-environment Second Songhua River |
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