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https://doi.org/10.5194/essd-2024-347
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-2024-347
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Preprints
13 Aug 2024
 | 13 Aug 2024
Status: this preprint is currently under review for the journal ESSD.

GravIS: mass anomaly products from satellite gravimetry

Christoph Dahle, Eva Boergens, Ingo Sasgen, Thorben Döhne, Sven Reißland, Henryk Dobslaw, Volker Klemann, Michael Murböck, Rolf König, Robert Dill, Mike Sips, Ulrike Sylla, Andreas Groh, Martin Horwath, and Frank Flechtner

Abstract. Accurately quantifying global mass changes at the Earth’s surface is essential for understanding climate system dynamics and their evolution. Satellite gravimetry, as realized with the Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow-On (GRACE-FO) missions, is the only currently operative remote sensing system that can track large-scale mass variations, making it a unique monitoring opportunity for various geoscientific disciplines. To facilitate easy accessibility of GRACE/GRACE-FO results also beyond the geodetic community, the German Research Centre for Geosciences (GFZ) developed the Gravity Information Service (GravIS) portal (https://gravis.gfz-potsdam.de). This work aims to introduce the user-friendly mass anomaly products provided at GravIS that are specifically processed for hydrology, glaciology, and oceanography applications. These mass change data, available in both a gridded representation and as time series for predefined regions, are routinely updated as new monthly GRACE/GRACE-FO gravity field models become available. The associated GravIS web portal visualizes and describes the products, demonstrating their usefulness for various studies and applications in geosciences. Together with GFZ’s complementary information portal globalwaterstorage.info, GravIS supports widening the dissemination of knowledge about satellite gravimetry in science and society and highlights the significance and contributions of the GRACE/GRACE-FO missions for understanding changes in the climate system.

How to cite. Dahle, C., Boergens, E., Sasgen, I., Döhne, T., Reißland, S., Dobslaw, H., Klemann, V., Murböck, M., König, R., Dill, R., Sips, M., Sylla, U., Groh, A., Horwath, M., and Flechtner, F.: GravIS: mass anomaly products from satellite gravimetry, Earth Syst. Sci. Data Discuss. [preprint], https://doi.org/10.5194/essd-2024-347, in review, 2024.
Received: 09 Aug 2024 – Discussion started: 13 Aug 2024
Publisher's note: Copernicus Publications remains neutral with regard to jurisdictional claims made in the text, published maps, institutional affiliations, or any other geographical representation in this preprint. The responsibility to include appropriate place names lies with the authors.
Christoph Dahle, Eva Boergens, Ingo Sasgen, Thorben Döhne, Sven Reißland, Henryk Dobslaw, Volker Klemann, Michael Murböck, Rolf König, Robert Dill, Mike Sips, Ulrike Sylla, Andreas Groh, Martin Horwath, and Frank Flechtner

Status: open (until 03 Oct 2024)

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Christoph Dahle, Eva Boergens, Ingo Sasgen, Thorben Döhne, Sven Reißland, Henryk Dobslaw, Volker Klemann, Michael Murböck, Rolf König, Robert Dill, Mike Sips, Ulrike Sylla, Andreas Groh, Martin Horwath, and Frank Flechtner

Data sets

Post-processed GRACE/GRACE-FO Geopotential GSM Coefficients GFZ RL06 (Level-2B Product) Christoph Dahle and Michael Murböck https://doi.org/10.5880/GFZ.GRAVIS_06_L2B

Post-processed GRACE/GRACE-FO Geopotential GSM Coefficients COST-G RL01 (Level-2B Product) Christoph Dahle and Michael Murböck https://doi.org/10.5880/COST-G.GRAVIS_01_L2B

GFZ GravIS RL06 Continental Water Storage Anomalies Eva Boergens et al. https://doi.org/10.5880/GFZ.GRAVIS_06_L3_TWS

COST-G GravIS RL01 Continental Water Storage Anomalies Eva Boergens et al. https://doi.org/10.5880/COST-G.GRAVIS_01_L3_TWS

GFZ GravIS RL06 Ocean Bottom Pressure Anomalies Henryk Dobslaw et al. https://doi.org/10.5880/GFZ.GRAVIS_06_L3_OBP

COST-G GravIS RL01 Ocean Bottom Pressure Anomalies Henryk Dobslaw et al. https://doi.org/10.5880/COST-G.GRAVIS_01_L3_OBP

GFZ GravIS RL06 Ice-Mass Change Products Ingo Sasgen et al. https://doi.org/10.5880/GFZ.GRAVIS_06_L3_ICE

COST-G GravIS RL01 Ice-Mass Change Products Ingo Sasgen et al. https://doi.org/10.5880/COST-G.GRAVIS_01_L3_ICE

Christoph Dahle, Eva Boergens, Ingo Sasgen, Thorben Döhne, Sven Reißland, Henryk Dobslaw, Volker Klemann, Michael Murböck, Rolf König, Robert Dill, Mike Sips, Ulrike Sylla, Andreas Groh, Martin Horwath, and Frank Flechtner

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Short summary
The satellite missions GRACE and GRACE-FO are unique observing systems to quantify global mass changes at the Earth’s surface from space. Time series of these mass changes are of high value for various applications, e.g., in hydrology, glaciology, and oceanography. GravIS provides easy access to user-friendly, regularly updated mass anomaly products. The associated portal visualizes and describes these data, aiming to highlight their significance for understanding changes in the climate system.
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