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Declining groundwater levels caused by over-exploitation in the middle reaches of the Heihe River basin have raised concerns with respect to the sustainability of the aquifer system. The groundwater depletion in the Daman irrigation district is particularly serious suffering ~20 m drawdown of groundwater level since 1980s. In this paper, a transient groundwater flow model was constructed and calibrated...
The advanced treatment of secondary biochemical effluent from iron and steel wastewater was treated by a Continuous Membrane Filtration (CMF)system, and the related water quality and system operation parameters in treatment process was monitored and analysed. The results of experiment showed that CMF has high efficiency and stable running during the long treatment process and has a good effect on...
We analyzed the temporal and spatial variation in water quality in the Huaihe River Basin influenced by the high level of fluctuation in rainfall and river flow in this transitional climate zone. To do so, we examined the relationship between water quality as measured by NH3-N concentrations and the precipitation and river discharge at key hydrological stations within the basin. The results indicate...
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