摘要
鄱阳湖因湖面面积大，且地处亚热带，水面蒸发量和蒸发水量均很大，准确计算蒸发量和蒸发水量对水资源分析具有重要意义，根据１９８０～１９８７年都昌蒸发实验站漂浮蒸发资料，确定了陆地（地面）Ｅ６０１，φ８０，φ２０３种蒸发器的计算系数。此外，用计算的自然水体蒸发量推求了３种经验公式的参数，使资料系列延长到３５年。利用湖口、星子、都昌、棠荫、康山气象站１９６０～１９９４年的气象资料，用不同方法计算了鄱阳湖的多年平均蒸发量和蒸发水量，所得结果具有较高的参考价值。
Both the evaporation rate and evaporation water quantity of Poyang Lake are huge because of large water surface area and its location of subtropical zone. Accurate computation of evaporation rate and evaporation quantity has important significance for water resources analysis. Based on the data measured in 1980～1987 on floating evaporation pans at Duchang evaporation experimental station, the calculation coefficients for 3 kinds of evaporation pans of land (E601,,φ80,φ20) are determined. In addition, the parameters of 3 empirical formulas were deduced from the calculated evaporation quantities of natural water body, extending the data series to 35 years. And meanwhile, by the use of these 3 parameters and data of 5 meteorologic stations, i.e.Hukou, Xingzi, Duchang, Tangyin and Kangshan, from 1960 to 1994, the average annual evaporation quantity and evaporation water quantity of Poyang Lake have been calculated with different methods. The obtained results have higher referable value.
出处
《人民长江》
北大核心
1998年第5期29-31,共3页
Yangtze River
关键词
水面蒸发
计算方法
经验公式
鄱阳湖
水文计算
Water surface evaporation Computational method Expirical formula Meteorological data Poyang Lake
