COST-G GravIS RL01 Ocean Bottom Pressure Anomalies

Cite as:

Dobslaw, Henryk; Boergens, Eva; Dill, Robert (2020): COST-G GravIS RL01 Ocean Bottom Pressure Anomalies. V. 0005. GFZ Data Services. https://doi.org/10.5880/COST-G.GRAVIS_01_L3_OBP

Status

I N R E V I E W : Dobslaw, Henryk; Boergens, Eva; Dill, Robert (2020): COST-G GravIS RL01 Ocean Bottom Pressure Anomalies. V. 0005. GFZ Data Services. https://doi.org/10.5880/COST-G.GRAVIS_01_L3_OBP

Abstract

GRACE/GRACE-FO Level-3 product based on COST-G RL01 Level-2B products (Dahle & Murböck, 2020) representing Ocean Bottom Pressure (OBP) variations provided at 1° latitude-longitude grids as defined over ocean areas. The OBP grids are provided in NetCDF format divided into yearly batches. The files each contain seven different variables:

1) 'barslv': gravity-based barystatic sea-level pressure
2) 'std_barslv': gravity-based barystatic sea-level pressure uncertainties
3) 'resobp': gravity-based residual ocean circulation pressure resobp
4) 'std_resobp': gravity-based residual ocean circulation pressure uncertainties
5) 'leakage': apparent gravity-based bottom pressure due to continental leakage
6) 'model_ocean': background-model ocean circulation pressure
7) 'model_atmosphere': background-model atmospheric surface pressure

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

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Version History:

21 April 2023:
Release of Version 0005. This is an update of Version 0004 of the same data set (see changelog).

9 December 2021:
Release of Version 0004. This is an update of Version 0003 of the same data set (see changelog).

9 September 2020:
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 Boergens et al. (2019, https://doi.org/10.5880/GFZ.GRAVIS_06_L3_OBP).

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/OBP/old_versions

Authors

Dobslaw, Henryk;GFZ German Research Centre for Geosciences, Potsdam, Germany
Boergens, Eva;GFZ German Research Centre for Geosciences, Potsdam, Germany
Dill, Robert;GFZ German Research Centre for Geosciences, Potsdam, Germany

Contact

Dobslaw, Henryk; GFZ German Research Centre for Geosciences, Potsdam, Germany;

Contributors

Dahle, Christoph; Murböck, Michael

Keywords

Gravity Recovery And Climate Experiment (GRACE), GRACE Follow-on (GRACE-FO), Level-3, Mass, Mass Transport, Ocean Bottom Pressure, Time Variable Gravity, Mass Balance, Satellite Geodesy

GCMD Science Keywords

EARTH SCIENCE > SOLID EARTH > GRAVITY/GRAVITATIONAL FIELD
Earth Observation Satellites > NASA Earth System Science Pathfinder > GRACE

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