Released
Dataset

COST-G GravIS RL01 Ice-Mass Change Products

Cite as:

Sasgen, Ingo; Groh, Andreas; Horwath, Martin (2020): COST-G GravIS RL01 Ice-Mass Change Products. V. 0003. GFZ Data Services. https://doi.org/10.5880/COST-G.GRAVIS_01_L3_ICE

Status

I   N       R   E   V   I   E   W : Sasgen, Ingo; Groh, Andreas; Horwath, Martin (2020): COST-G GravIS RL01 Ice-Mass Change Products. V. 0003. GFZ Data Services. https://doi.org/10.5880/COST-G.GRAVIS_01_L3_ICE

Abstract

GRACE/GRACE-FO Level-3 products based on COST-G RL01 Level-2B products (Dahle & Murböck, 2020) representing ice-mass changes for the Antarctic Ice Sheet (AIS) and the Greenland Ice Sheet (GIS). The ice-mass changes are provided both as basin average product and as gridded product.

Basin-average ice-mass changes are obtained using the inversion procedure based on a forward modelling approach as described in Sasgen et al. (2013) for the AIS and Sasgen et al. (2012) for the GIS.

Gridded ice-mass changes are provided at polar-stereographic grids with a grid spacing of 50 x 50 km^2. The applied algorithm is based on tailored sensitivity kernels (Groh & Horwath, 2016), and has also been used to generate gravimetric mass balance products within the ESA Climate Change Initiative (CCI) projects for the AIS and the GIS.

These Level-3 products are visualized at GFZ's web portal GravIS (https://gravis.gfz-potsdam.de). Link to data products: ftp://isdcftp.gfz-potsdam.de/grace/GravIS/COST-G/Level-3/ICE

---------------------------------------------------------------------------------------------

Version History:

21 April 2023:
Release of Version 0003. This is an update of Version 0002 of the same data set (see changelog).

15 June 2020:
Initial release of the data. Note that the initial version number is 0002 in order to reflect the consistent data processing of this data set and Version 0002 of the data set Sasgen et al. (2019, http://doi.org/10.5880/GFZ.GRAVIS_06_L3_ICE).

All changes and updates are documented in the changelog available via the data download section. Previously released versions of this data set are available at ftp://isdcftp.gfz-potsdam.de/grace/GravIS/COST-G/Level-3/ICE/old_versions


Authors

  • Sasgen, Ingo;Alfred-Wegener-Institut Helmholtz Zentrum für Polar- und Meeresforschung, Bremerhafen, Germany
  • Groh, Andreas;Technische Universität Dresden, Institut für Planetare Geodäsie, Dresden, Germany
  • Horwath, Martin;Technische Universität Dresden, Institut für Planetare Geodäsie, Dresden, Germany

Contact

  • Sasgen, Ingo; Alfred-Wegener-Institut Helmholtz Zentrum für Polar- und Meeresforschung, Bremerhafen, Germany;
  • Groh, Andreas; Technische Universität Dresden, Institut für Planetare Geodäsie, Dresden, Germany;

Keywords

Gravity Recovery And Climate Experiment (GRACE), GRACE Follow-on (GRACE-FO), Level-3, Mass, Mass Transport, Ice-mass Change, Time Variable Gravity, Antarctic Mass Balance, Greenland Mass Balance, Sea-level Change

GCMD Science Keywords

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