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An environmental impact method based on numerical simulation is proposed and the assessment of environmental impact caused by dam-break is gained. According to the dam-break flood simulation results, the routing process of dam-break flood is concluded. Then the environmental risk evaluation model is built based on the obtained hydraulic factors. Qing Linjing reservoir located in Shenzhen of China...
Caofeidian sea area is an important ecoregion of Hebei province. It's meaningful to investigate the pollution situation of this area. Firstly, a numerical model of tidal flow and pollutant transport based on Delft3D-FLOW is established to simulate and analyze COD distribution in Caofeidian sea area. Then, the model is verified by measured data. Finally, the flow field and COD concentration in this...
It is generally acknowledged that macroinvertebrates are good indicators of water quality in streams, as a number of taxa are sensitive to pollution and integrate their response to pollution over time. This fact has led some states (e.g., Maine) to incorporate macroinvertebrates in their water quality standards. To quantify the relationship between macroinvertebrates and urban land use, this study...
The Lake Hamana-Sanaru coupled system is representative of coastal lagoon systems in Japan, and this system is well known as the most polluted aquatic system in Japan. In order to understand the water pollution mechanism of this system, we applied the physical-ecological coupled model to this area. This study is still under model calibration stage. We changed the parameter values of potential growth...
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