%0 Dataset %T Data set of seasonal precipitation in northwest inland area (1979-2017) %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/69661223-bb31-42bf-941d-2e68e59c9bc2 %W NCDC %R 10.12072/ncdc.XBSAQ.db2203.2022 %A zhongdeyu %K Northwest inland region;precipitation;historical scenario (1979-2017) %X Based on the basic theory of air water resources, the water substances in the atmosphere locked by the secondary circulation formed by the special boundary layer and with the potential of phase transformation into clouds and precipitation are defined as effective water vapor, and then the effective water vapor identification algorithm is developed based on the water vapor convergence area, and the regional exploitable air water resources (i.e. effective water vapor) The total amount and air water resources precipitation potential are evaluated.