丘陵山地总辐射的计算模式

A NUMERICAL APPROACH TOWARD GLOBAL RADIATION OVER RUGGED AREAS

中文摘要:

      本文根据对丘陵山地地形参数(平均坡向、坡度和地形遮蔽角)的数值模拟结果,应用试验观测资料,较详细地讨论了山地总辐射的理论计算模式.文中主要讨论了三个问题:山地总辐射理论模式的建立;模式参数的数值试验;模式在大别山南部局部地区的模拟结果及其分析.结果表明,山区总辐射受地形影响非常明显.本模式原则上适用于任何地区各种地形下总辐射的数值模拟.

英文摘要:

      Based on the simulated topographic parameters including slope, azimuth and screening angle and observed global radiation on flat-plate, a numerical model to calculate the long-term average of global radiaton over rugged areas is developed. This paper consists of the development of the model, the numerical tests for selection the model parameters and discussion to the modeled results in the part of Dabie Mountain. It is manifested that the influence of terrain on global radiation is quite remarkable. In principle, the model is suitable for simulation the global radiation in any mountain with different scales.