Data assimilation for groundwater flow modelling using Unbiased Ensemble Square Root Filter: Case study in Guantao, North China Plain

Ning Li1, Wolfgang Kinzelbach1, Haitao Li2, Wenpeng Li3, Fei Chen4 and Lu Wang1, (1)ETH Swiss Federal Institute of Technology Zurich, Zurich, Switzerland, (2)CIGEM, Beijing, China, (3)China Institute of Geo-Environment Monitoring, Beijing, China, (4)GIWP, Beijing, China