【摘要】 地表气温分布受多种因素的影响,尤以海拔高度和地形最为显著。本文以山东省为例,利用1∶25万DEM数据,借助山东省内气象站点1970~2000年的常规气温资料,运用ARC/INFO软件对气温数据进行样条函数法内插后,又通过气温直减率法和辐射差值与温度的相关关系,对内插结果进行海拔高度和地形的订正,得到山东省实际地形下的地表温度空间分布图。经检验,模拟的结果具有较高的精度,反映了山东省气温的空间变化规律。更多还原

【Abstract】 The air temperature distribution is affected by many factors in actual landform,especially by altitude and topography.Using the spatial interpolation technique served by ARC/INFO software,considering the effects of altitude and slope,and by the method of air temperature lapse rate and the correlation between solar radiation and air temperature,the spatial distribution of air temperatures in Shandong province is studied based on grid-based DEM data derived from 1∶250000 topographic maps and air temperature data of meteorological stations in the study area in 1971～2000.The simulation results are calibrated to be efficient in showing the spatial distribution of air temperature in Shandong province.更多还原