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According to analyzing the geographical map, image of remote sensing, historical documentations and field research, we find the reason for the formation of Wuliangsuhai Lake is that the Yinshan mountains raised continually due to neotectonic movement in the Cenozoic Quaternary, cause the Yellow River diversion then vegetation deterioration in the grassland, and the quicksand from Alxa region led to...
Concentrations of total nitrogen (TN), total phosphorus (TP) and Chemical Oxygen Demand (COD) were studied by using the geostatistical analysis module of ArcGIS in Wuliangsuhai Lake which was based on the monitoring data collected from 2006 to 2010. The results indicated that the contamination of TN, TP and COD were very serious, and the water quality was beyond the limition of the fifth category...
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