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GOCE Global Gravity Field Models and Grids
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Description
This collection contains gravity gradient and gravity anomalies grids at ground level and at satellite height. In addition it contains the GOCE gravity field models (EGM_GOC_2, EGM_GCF_2) and their covariance matrices (EGM_GVC_2):
GOCE Gravity solution GRIDS
Gridded Gravity gradients and anomalies at ground level:
- GO_CONS_GRC_SPW_2__20091101T000000_20111231T235959_0001.TGZ
- GO_CONS_GRC_SPW_2__20091101T055147_20120731T222822_0001.TGZ
- GO_CONS_GRC_SPW_2__20091101T055226_20131020T033415_0002.TGZ
- GO_CONS_GRC_SPW_2__20091009T000000_20131021T000000_0201.TGZ
Latest baseline is: GO_CONS_GRC_SPW_2__20091009T000000_20131021T000000_0201.TGZ
Gridded Gravity gradients and anomalies at satellite height:
- GO_CONS_GRD_SPW_2__20091101T055147_20100630T180254_0001.TGZ
- GO_CONS_GRD_SPW_2__20091101T055147_20120731T222822_0001.TGZ
- GO_CONS_GRD_SPW_2__20091101T055226_20131020T033415_0002.TGZ
- GO_CONS_GRD_SPW_2__20091009T000000_20131021T000000_0201.TGZ
Latest baseline is: GO_CONS_GRD_SPW_2__20091009T000000_20131021T000000_0201.TGZ
As output from the ESA-funded GOCE+ GeoExplore project, GOCE gravity gradients were combined with heterogeneous other satellite gravity information to derive a combined set of gravity gradients complementing (near)-surface data sets spanning all together scales from global down to 5 km. The data is useful for various geophysical applications and demonstrate their utility to complement additional data sources (e.g., magnetic, seismic) to enhance geophysical modelling and exploration.
The GOCE+ GeoExplore project is funded by ESA through the Support To Science Element (STSE) and was undertaken as a collaboration of the Deutsches Geodätisches Forschungsinstitut (DGFI), Munich, DE, the Christian-Albrechts-Universität zu Kiel, the Geological Survey of Norway (NGU), Trondheim, Norway, TNO, the Netherlands and the University of West Bohemia, Plzen, CZ.
Read more about gravity gradients and how GOCE delivered them in this Nature article: Satellite gravity gradient grids for geophysics
View images of the GOCE original gravity gradients and gradients with topographic reduction grids
| GRIDS | |
| File Type | Gridded data: full Gravity Gradients, at 225 km and 255 km with and without topographic correction |
| GGG_225 | Computed from GOCE/GRACE gradients lower orbit phase February 2010 - October 2013 |
| GGG_255 | Computed from GOCE/GRACE gradients nominal orbit phase February 2010 - October 2013 |
| TGG_225 | Gravity gradient grids from topography at fixed height of 225/255 km above ellipsoid given in LNOF (Local North Oriented Frame) |
| TGG_225 | Gravity gradient grids from topography at fixed height of 225/255 km above ellipsoid given in LNOF (Local North Oriented Frame) |
| MAPS | |
| File Type | Maps of Gravity Gradients with and without topographic corrections |
| Vij_225km_Patch_n.jpg | Maps of grids from lower orbit phase with and without topographic correction from ETOPO1 |
| Along-orbit | |
| File Type | Full Gravity Gradients, along-orbit, in GRF and TRF reference frames. A detailed description is provided in the data set user manual |
| GGC_GRF | Combined gradients from GRACE (long wavelengths) & GOCE (measurement band) in the GRF (Gradiometer Reference Frame) |
| GGC_TRF | Combined gradients from GRACE (long wavelengths) & GOCE (measurement band) rotated from GRF to TRF (Terrestrial Reference Frame: North, West, Up) |
Direct solution
First Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20100110T235959_0002.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20100110T235959_0002.TGZ
Second Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20100630T235959_0002.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20100630T235959_0001.TGZ
Third Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20110419T235959_0001.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20110419T235959_0001.TGZ
- Coefficients (ICGEM format):
Fourth Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20120801T060000_0001.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20120801T060000_0002.TGZ
Fifth Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20131020T235959_0002.TG
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20131020T235959_0001.TGZ
- Coefficients (ICGEM format):
Sixth Generation
- Product:
- GO_CONS_EGM_GOC_2__20091009T000000_20131020T235959_0201.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091009T000000_20131020T235959_0201.TGZ
- Coefficients (ICGEM format):
Release 6 gravity model validation report
Time-Wise solution
First Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20100111T000000_0002.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20100111T000000_0002.TGZ
Second Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20100705T235500_0002.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20100705T235500_0001.TGZ
Third Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20110430T235959_0001.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20110430T235959_0001.TGZ
- Coefficients (ICGEM format):
Fourth Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20120618T235959_0002.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20120618T235959_0001.TGZ
Fifth Generation
- Product:
- GO_CONS_EGM_GOC_2__20091101T000000_20131021T000000_0002.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091101T000000_20131021T000000_0001.TGZ
- Coefficients (ICGEM format):
Sixth Generation
- Product:
- GO_CONS_EGM_GOC_2__20091009T000000_20131021T000000_0201.TGZ
- Variance/Covariance matrix:
- GO_CONS_EGM_GVC_2__20091009T000000_20131021T000000_0202.TGZ
- Coefficients (ICGEM format):
- Combined gravity field GOCE model plus Antarctic and Arctic data (ICGEM format):
Download release 6 gravity model validation report
Details
DATA SET SPECIFICATIONS
- European Space Agency, 2010, GOCE Global Gravity Field Models and Grids Data Collection. Version 1.0http://doi.org/10.5270/esa-8xb8scs
PROCESSING LEVEL
APPLICABLE TERMS & CONDITIONS
Utilisation of this data is subject to ESA's Earth Observation Terms and Conditions.
DATA CITATION
RESOURCES
GOCE Level 2 Products User Handbook
User Manual
Release 6 GOCE Gravity Field Models Validation Report
Report
GOCE+ Gravity Gradient Products User Manual
User Manual
GOCE+ Gravity Gradient Grids Algorithm Description
Technical Documentation
GOCE+ Product Validation Report
Report
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