The impacts of anthropogenic activities on terrestrial water cycle, Part Ⅰ: census data based estimation of irrigation amount in North China Plain

Danqiong Dai1,2, Fei Chen3, Zhe Zhang4, Zhenhua Li4, Prasanth Valayamkunnath3, Cenlin He5, Liang Chen6 and Yanping Li4, (1)Chinese Academy of Sciences, Beijing, China, (2)Institute of Atmospheric Physics, Key Laboratory of Regional Climate-Environment for Temperate East Asia, Beijing, China, (3)National Center for Atmospheric Research, Research Applications Laboratory, Boulder, United States, (4)University of Saskatchewan, Global Institute for Water Security, Saskatoon, SK, Canada, (5)National Center for Atmospheric Research, Research Applications Laboratory, Boulder, CO, United States, (6)Key Lab of Regional Climate-Environment for Temperate East Asia (RCE-TEA), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China