青藏高原冬季积雪与河南汛期降水关系

利用1961－1998年河南郑州，安阳等50站降水资料和青藏高原冬季积雪日数资料，分析了青藏高原冬季积雪与河南汛期降水的关系，结果表明，青藏高原冬季积雪与河南南部汛期降水较好的关系，而与河南北部汛期降水呈反相关，多雪年汛期河南南部降水偏多的概率占61％，北部降水偏少的概率占56％，少雪年汛期河南部降水偏少的概率为72％，河南北部降水偏多的概率为61％。

Study on the Relation Between the Perpetual Snow of Qinghai-Xizang Plateau in Winter and the precipitation in Flood Season in Henan

Making use of the precipitation data of Zhengzhou and other fifty meteorological stations from 1961 to 1998 in Henan and the data of perpetual snow in Qinghai-Xizang plateau in winter, the thesis Study the relation between the precipitation in flood season and the day of snow lying in winter. It comes to conclusion that it is positive correlation in southern of Henan, but it is counter correlation in northern of Henan.