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Journal Article

Quantifying the Central European Droughts in 2018 and 2019 with GRACE‐Follow‐On

Authors
/persons/resource/boergens

Boergens,  Eva
1.3 Earth System Modelling, 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;

/persons/resource/dobslaw

Dobslaw,  H.
1.3 Earth System Modelling, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/dahle

Dahle,  C.
1.2 Global Geomonitoring and Gravity Field, 1.0 Geodesy, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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5002572.pdf
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Citation

Boergens, E., Güntner, A., Dobslaw, H., Dahle, C. (2020): Quantifying the Central European Droughts in 2018 and 2019 with GRACE‐Follow‐On. - Geophysical Research Letters, 47, 14, e2020GL087285.
https://doi.org/10.1029/2020GL087285


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5002572
Abstract
The GRACE‐FO satellites launched in May 2018 are able to quantify the water mass deficit in Central Europe during the two consecutive summer droughts of 2018 and 2019. Relative to the long‐term climatology, the water mass deficits were ‐112±10.5 Gt in 2018, and ‐145±12 Gt in 2019. These deficits are 73% and 94% of the mean amplitude of seasonal water storage variations which is so severe that a recovery cannot be expected within one year. The water deficits in 2018 and 2019 are the largest in the whole GRACE and GRACE‐FO time span. Globally, the data do not show an offset between the two missions which proves the successful continuation of GRACE by GRACE‐FO and thus the reliability of the observed extreme events in Central Europe. This allows for a joint assessment of the four Central European droughts in 2003, 2015, 2018, and 2019 in terms of total water storage deficits.