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© ECMWF ERA5: Collaboration between EUMETSAT and ECMWF (and TUWien) to use of reprocessed Scatterometer soil moisture data record for 1991-present in ERA5.

Published byAmanda Skinner Modified over 9 years ago

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Presentation on theme: "© ECMWF ERA5: Collaboration between EUMETSAT and ECMWF (and TUWien) to use of reprocessed Scatterometer soil moisture data record for 1991-present in ERA5."— Presentation transcript:

1 © ECMWF ERA5: Collaboration between EUMETSAT and ECMWF (and TUWien) to use of reprocessed Scatterometer soil moisture data record for 1991-present in ERA5 ERA5 production started in June for the NRT stream  Monitoring Statistics from 01 June to 15 September 2014: ASCAT-A FG Departure StDev in m 3 m -3 Nb Obs per 1x1 degree FG departure (Mean, m 3 m -3 ) FG departure (StDev, m 3 m -3 ) ASCAT-A7330.020.060 ASCAT-B6940.0170.061

2 © ECMWF Old slides from 2015 on implementation and test in rd expt and ERA-SCOUT experiments

3 © ECMWF Two pre-ERA5 analysis experiments in FMA 2010 using: - the operational (CTRL) - Re-processed ASCAT data (REPROC) Number of Obs 2010 CTRL REPROC  More observations after QC in the reprocessed data set than with the 2010 operational ASCAT data Tests to use of ASCAT soil moisture data for ERA5 (April 2015)

4 © ECMWF CTRL REPROC Reduced background departure standard deviation Tests to use ASCAT soil moisture data for ERA5 soil moisture

5 © ECMWF CTRL REPROC  Reduce background departure errors (mean and Stdev) with the reprocessed data Tests to use ASCAT soil moisture data for ERA5 soil moisture

6 © ECMWF Nb Obs per 1x1 degree area FG departure (Mean, m 3 m - 3 ) FG departure (StDev, m 3 m - 3 ) CTRL g87r1070.0130.05 REPROC g8qv5750.0060.044 Tests to use ASCAT soil moisture data for ERA5 soil moisture  Reprocessed ASCAT soil moisture: -More observation pass the QC -Reduced background departure statistics both in mean and Stdev

7 © ECMWF ERA-SCOUT 2203 ERS soil moisture DA (Oct 2015) 1999082600 SEKF Gain Layer 1 SEKF Gain Layer 2 SCAT Innovation

8 © ECMWF Soil Moisture increments due to ERS-SCAT data layer 1

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