GFZ TELLUS GRACE-FO Level-3 Monthly Ocean Bottom Pressure Anomaly Release 6.0 version 04 in netCDF/ASCII/GeoTIFF Formats
DOI10.5067/GFOCN-3AG64
Short NameTELLUS_GRFO_L3_GFZ_RL06_OCN_v04
DescriptionThe monthly ocean bottom pressure anomaly grids are given as equivalent water thickness changes derived from GRACE & GRACE-FO time-variable gravity observations during the specified timespan, and relative to the specified time-mean reference period. The Equivalent water thickness represent sea floor pressure changes due to the integral effect of ocean and atmosphere processes, including global mean ocean bottom pressure changes (mean ocean mass and mean atmosphere mass over the global oceans). The Level-2 GAD product has been added back, a glacial isostatic adjustment (GIA) correction has been applied, and standard corrections for geocenter (degree-1), C20 (degree-20) and C30 (degree-30) are incorporated. Post-processing filters (i.e., de-striping and spatial smoothing) have been applied to reduce correlated errors. Version 04 (v04) of the ocean bottom pressure data uses updated and consistent C20 and Geocenter corrections (i.e., Technical Notes TN-14 and TN-13), as well as an ellipsoidal correction to account for the non-spherical shape of the Earth when mapping gravity anomalies to surface mass change. Data grids are provided in ASCII/netCDF/GeoTIFF formats. For the RL06 version, all GRACE products in the ASCII format have adopted the YAML encoding header, which is in full compliance with the PODAAC metadata best practices.
VersionRL06 v04
Dataset TypeACTIVE
MeasurementOCEANS > OCEAN PRESSURE > WATER PRESSURE
SOLID EARTH > GRAVITY/GRAVITATIONAL FIELD > GRAVITY
Processing Level3
CoverageRegion: GLOBAL
North Bounding Coordinate: 89.5 degrees
South Bounding Coordinate: -89.5 degrees
West Bounding Coordinate: -180 degrees
East Bounding Coordinate: 180 degrees
Time Span: 2018-May-22 to Present
Granule Time Span: 2018-Jun-01 to 2021-Apr-30
ResolutionSpatial Resolution: 1 degrees (Latitude) x 1 degrees (Longitude)
Temporal Resolution: 1 Month
ProjectionProjection Type: Gridded
Ellipsoid: WGS 84
Platform/Sensor
GRACE-FO
Platform
Name: Gravity Recovery and Climate Experiment Follow-On (GRACE-FO)
Orbit Period: -1.0 minutes
Inclination Angle: 89.0 degrees
/
GRACE-FO KBR
SENSOR
Name: GRACE-FO K-Band Ranging System (GRACE-FO KBR)
Swath Width: -1.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

GRACE-FO
Platform
Name: Gravity Recovery and Climate Experiment Follow-On (GRACE-FO)
Orbit Period: -1.0 minutes
Inclination Angle: 89.0 degrees
/
GRACE-FO SCA
SENSOR
Name: GRACE-FO Star Camera Assembly (GRACE-FO SCA)
Swath Width: -1.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

GRACE-FO
Platform
Name: Gravity Recovery and Climate Experiment Follow-On (GRACE-FO)
Orbit Period: -1.0 minutes
Inclination Angle: 89.0 degrees
/
GRACE-FO ACC
SENSOR
Name: GRACE-FO SuperSTAR Accelerometer (GRACE-FO ACC)
Swath Width: -1.0 kilometers
Description: Spacecraft angular distance from orbital plane relative to the Equator.

ProjectGravity Recovery and Climate Experiment (GRACE)
Data ProviderPublisher: PO.DAAC
Creator: Felix Landerer
Release Place: JPL
Release Date: 2021-Jun-11
Resource: https://doi.org/10.1029/2011WR011453

Keyword(s)TELLUS, GRACE-FO, OBP, LWET, Gravity, GFZ, RL06v04, OCEAN
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Citation Felix Landerer. 2021. TELLUS_GRFO_L3_GFZ_RL06_OCN_v04. Ver. RL06 v04. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/GFOCN-3AG64

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For more information see Data Citations and Acknowledgments.

Journal Reference Landerer F. W. and S. C. Swenson, Accuracy of scaled GRACE terrestrial water storage estimates. Water Resources Research, Vol 48, W04531, 11 PP, doi:10.1029/2011WR011453, 2012.

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