Monitoring groundwater storage change through joint assimilation of GRACE terrestrial water storage and SMOS soil moisture observations

Siyuan Tian, Australian National University, Canberra, ACT, Australia, Paul Tregoning, Australian National University, Research School of Earth Sciences, Canberra, ACT, Australia, Albert van Dijk, Australian National University, Canberra, Australia and Luigi J Renzullo, CSIRO Land and Water, Canberra, Australia