The Operational Forecasting of Total Precipitation in Flood Seasons (April to September) of 5 Years (1983-1987)  

作　　者：汤懋苍 李天时 张建 李存强 

机构地区：[1]Lanzhou Institute of Plateau Atmospheric Physics, Academia Sinica, Lanzhou

出　　处：《Advances in Atmospheric Sciences》1989年第3期289-300,共12页大气科学进展（英文版）

摘　　要： Ⅰ.INTRODUCTION We have discovered that there exists a good corresponding relationship between theanomalous axes of soil temperature at a depth of 1.6m in winter (December to February) andprecipitations in following flood season (Tang et al., 1982a). We have also designed a simplethermodynamical model and applied it to the forecasting of precipitations in the flood season(Tang et al., 1982 b,c). The practical forecast started from 1975. Before 1980, however, therewere only 40-50 stations in China for measuring the soil temperature at a 1.6m depth. Since1980, the stations have been increased to a total of about 180, but no available mean valueshad been obtained from newly added stations before 1982. Therefore the analysis and map-ping of anomalies of soil temperature was not performed until 1983, and from then on theprecision of analysis has been greatly improved. The following is the actual situation of forecast in five years from 1983 to 1987.

关 键 词：of 5 Years April to September The Operational Forecasting of Total Precipitation in Flood Seasons 

分 类 号：P4[天文地球—大气科学及气象学]