Hydrology SAF - EW 2019

25 Minutes

David Fairbairn, ECMWF

Root zone soil moisture (RZSM) products based on scatterometer data assimilation

Published: 6 December 2019

ECMWF provides the core root-zone soil moisture (SM) products for H SAF through an Extended Kalman filter assimilation system, running independently of the NWP system. Space borne scatterometer-derived surface SM observations are assimilated into the root-zone (0-1 m) SM of the H-TESSEL land surface model. In this presentation, the theory behind the near-real-time and data record products is discussed.

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