Responses of the sustainable yield of groundwater to annual rainfall and pumping patterns in the Baotou Plain, North China

Zilong Liao1, Yinhui Long2, Yongfu Wei3 and Zhongxiao Guo3, (1)Institute of Pastoral Hydraulic Research, China Institute of Water Resources and Hydropower Research, Hohhot, China, (2)Yinshanbeilu Grassland Eco-hydrology National Observation and Research Station, China Institute of Water Resources and Hydropower Research, Beijing, China, (3)Institute of Water Resources for Pastoral Areas, National Ministry of Water Resources, Hohhot, Inner Mongolia, China, Hohhot, China