图像下面的图表记录了魔鬼湖在19世纪末到21世纪初的水面高度的变化轨迹。
The graph below the images tracks the surface elevation of Devils Lake from the late nineteenth through the early twenty-first centuries.
分析包括两个部分：1流场速度、水面高度的计算；2根据扩散模型计算污染物浓度场。
The analysis is divided into two parts: 1 computation of the velocity flow field and water surface elevation, and 2 computation of the pollutant concentration field from the dispersion model.
指出该公式的建立与水域水深的关系极为密切，在水域平均水深过小时，该公式求得的风壅水面高度误差较大。
It gives out the relations between construction of the formula and the water depth. When the average water depth was too shallow, the formula's error of wind banked-up was larger.
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