A Test Run of the EGSIEM Near Real-Time Service Based on GRACE Mission Data

Andreas Kvas, Christian Gruber, Ben Gouweleeuw, Andreas Güntner, Torsten Mayer-Gürr, Frank Flechtner

Publikation: KonferenzbeitragPoster


To enable the use of GRACE and GRACE-FO data for rapid monitoring applications, the EGSIEM (European Gravity Service for Improved Emergency Management) project, funded by the Horizon 2020 Framework Program for Research and Innovation of the European Union, has implemented a demonstrator for a near real-time (NRT) gravity field service. The goal of this service is to provide daily gravity field solutions with a maximum latency of five days. For this purpose, two independent approaches were developed at the German Research Centre for Geosciences (GFZ) and Graz University of Technology (TUG). Based on these daily gravity field solutions, statistical flood and drought indicators are derived by the EGSIEM Hydrological Service, developed at GFZ. The NRT products are subsequently provided to the Center for Satellite based Crisis Information (ZKI) at the German Aerospace Center as well as the Global Flood Awareness System (GloFAS) at the Joint Research Center of the European Commission. In the first part of this contribution, the performance of the service based on a statistical analysis of historical flood events during the GRACE period is evaluated. Then, results from the six month long operational test run of the service which started on April 1st 2017 are presented and a comparison between historical and operational gravity products and flood indicators is made.
PublikationsstatusVeröffentlicht - 2017
VeranstaltungAGU Fall Meeting 2017 - New Orleans, New Orleans, USA / Vereinigte Staaten
Dauer: 11 Dez. 201715 Dez. 2017


KonferenzAGU Fall Meeting 2017
Land/GebietUSA / Vereinigte Staaten
OrtNew Orleans


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