European Gravity Service for Improved Emergency Management (EGSIEM) - from 
concept to implementation

Jäggi, Adrian; Weigelt, M.; Flechtner, Frank; Güntner, A.; Mayer-Gürr, T.; Martinis, S.; Bruinsma, S.; Flury, J.; Bourgogne, S.; Steffen, H.; Meyer, U.; Jean, Y.; Sušnik, A.; Grahsl, A.; Arnold, D.; Cann-Guthauser, K.; Dach, R.; Li, Z.; Chen, Q.; van Dam, T.; Gruber, C.; Poropat, L.; Gouweleeuw, Ben; Kvas, A.; Klinger, B.; Lemoine, J.-M.; Biancale, R.; Zwenzner, H.; Bandikova, T.; Shabanloui, A.

doi:10.1093/gji/ggz238

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European Gravity Service for Improved Emergency Management (EGSIEM) - from concept to implementation

Authors

Jäggi, Adrian
External Organizations;

Weigelt, M.
External Organizations;

/persons/resource/flechtne

Flechtner, Frank
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/guentner

Güntner, A.
4.4 Hydrology, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Mayer-Gürr, T.
External Organizations;

Martinis, S.
External Organizations;

Bruinsma, S.
External Organizations;

Flury, J.
External Organizations;

Bourgogne, S.
External Organizations;

Steffen, H.
External Organizations;

Meyer, U.
External Organizations;

Jean, Y.
External Organizations;

Sušnik, A.
External Organizations;

Grahsl, A.
External Organizations;

Arnold, D.
External Organizations;

Cann-Guthauser, K.
External Organizations;

Dach, R.
External Organizations;

Li, Z.
External Organizations;

Chen, Q.
External Organizations;

van Dam, T.
External Organizations;

Gruber, C.
External Organizations;

/persons/resource/poropat

Poropat, L.
1.3 Earth System Modelling, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/bingo

Gouweleeuw, Ben
4.4 Hydrology, 4.0 Geosystems, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Kvas, A.
External Organizations;

Klinger, B.
External Organizations;

Lemoine, J.-M.
External Organizations;

Biancale, R.
External Organizations;

Zwenzner, H.
External Organizations;

Bandikova, T.
External Organizations;

Shabanloui, A.
External Organizations;

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Citation

Jäggi, A., Weigelt, M., Flechtner, F., Güntner, A., Mayer-Gürr, T., Martinis, S., Bruinsma, S., Flury, J., Bourgogne, S., Steffen, H., Meyer, U., Jean, Y., Sušnik, A., Grahsl, A., Arnold, D., Cann-Guthauser, K., Dach, R., Li, Z., Chen, Q., van Dam, T., Gruber, C., Poropat, L., Gouweleeuw, B., Kvas, A., Klinger, B., Lemoine, J.-M., Biancale, R., Zwenzner, H., Bandikova, T., Shabanloui, A. (2019): European Gravity Service for Improved Emergency Management (EGSIEM) - from concept to implementation. - Geophysical Journal International, 218, 3, 1572-1590.
https://doi.org/10.1093/gji/ggz238

Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_4268898

Abstract

Earth observation satellites yield a wealth of data for scientific, operational and commercial exploitation. However, the redistribution of mass in the system Earth is not yet part of the standard inventory of Earth Observation (EO) data products to date. It is derived from the Gravity Recovery and Climate Experiment (GRACE) mission and its Follow-On mission (GRACE-FO). Among many other applications, mass redistribution provides fundamental insights into the global water cycle. Changes in continental water storage impact the regional water budget and can, in extreme cases, result in floods and droughts that often claim a high toll on infrastructure, economy and human lives. The initiative for a European Gravity Service for Improved Emergency Management (EGSIEM) established three different prototype services to promote the unique value of mass redistribution products for Earth Observation in general and for early-warning systems in particular. The first prototype service is a scientific combination service to derive improved mass redistribution products from the combined knowledge of the European GRACE analysis centres. Secondly, the timeliness and reliability of such products is a primary concern for any early-warning system and therefore EGSIEM established a prototype for a near real-time service that provides dedicated gravity field information with a maximum latency of five days . Third, EGSIEM established a prototype of a hydrological / early warning service that derives wetness indices as indicators of hydrological extremes and assessed their potential for timely scheduling of high-resolution optical/radar satellites for follow-up observations in case of evolving hydrological extreme events.