关于我国雨能分布研究

STUDY ON RAIN ENERGY DISTRIBUTION IN CHINA

利用全国多雨、中雨和少雨典型区的自记雨量曲线和 Kinnel 方程:E=29.233·(1-e^(-(0.0477I+0.112)))计算出各点各次降雨的雨能值,并作出各区按月降雨(x)和雨能(y)的关系式:y=15.592x-171.630(多雨区),y=16.257x-280.279(中雨区),y=16.493x-107.676(少雨区)。将全国77个观测点的按月雨量资料计算出全年的雨能值。通过作图得到我国多雨和中雨区的年降雨量 P 和年雨能值 E 的关系:E=11.67p;和少雨区的关系:E=14.95P。从而可用此来估算全国各测点的雨能值。

From the data of autographic raingauge charts in typic abundant rainfall,mid-rainfall and short-rainfall regions of China,and by means of Kinnel's equation:E=29.233(1-e^(-(0.0477I+0.112))),the rain energy value could be calculated for each spot andeach rainfall in typic regions.The relation equations between monthly rainfall(X)and rain energy(Y) have been obtained.On the basis of the monthly rainfall data in 77 nationwide observational spots,an-nual rain energy values have been estimated.Through making graph and curve fittingmethod,the relationship between annual rainfall and annual rain energy value havebeen got.That is,E=11.67P for abundant rainfall region and mid-rainfall region,and E=14.95P for short-rainfall region.The annual rain energy value in other placescould be estimated by this two formula.