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Publications at the Chair of Physical Geodesy

GravIS – a new web portal for GRACE/GRACE Follow-On Level-3 Data Products by GFZ
Citation key escidoc:3131893
Author Dahle, Christoph and Reißland, S. and Dobslaw, H. and Zhang, L. and Sasgen, Ingo and Groh, Andreas and Klemann, V. and Fagiolini, Elisa and Murböck, Michael and König, R. and Güntner, A. and Flechtner, Frank and Thomas, M. and Horwath, M.
Year 2018
Volume Vol. 20, EGU2018-17878-1, 2018
Series Geophysical Research Abstracts
Abstract The GFZ German Research Centre for Geosciences, in collaboration with the Alfred-Wegener-Institute (AWI) Bremerhaven and Technische Universität Dresden, has developed and implemented a new web portal called GravIS (Gravity Information Service). At GravIS, user-friendly ("Level-3") products based on the most recent GFZ GRACE (and in near future also GRACE Follow-on) Level-2 release of monthly global gravity field solutions are visualized and described. These Level-3 products comprise globally gridded mass anomalies as well as basin average time series and are available for three dedicated applications: (1) terrestrial water storage over non-glaciated regions; (2) bottom pressure variations in ocean basins, and; (3) ice mass changes in both Antarctica and Greenland. Several postprocessing steps have been applied to the Level-2 spherical harmonic coefficients before mass anomaly inversion to achieve the highest possible accuracy of the Level-3 products. The poster gives an overview of the GravIS web portal and examples of the latest Level-3 products are shown. All Level-3 products will also be available for download via GFZ’s data archive ISDC.
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