Released
Dataset

The Combined Gravity Model GGM05C

Cite as:

Ries, J.; Bettadpur, S.; Eanes, R.; Kang, Z.; Ko, U.; McCullough, C.; Nagel, P.; Pie, N.; Poole, S.; Richter, T.; Save, H.; Tapley, B. (2016): The Combined Gravity Model GGM05C. GFZ Data Services. http://doi.org/10.5880/icgem.2016.002

Status

I   N       R   E   V   I   E   W : Ries, J.; Bettadpur, S.; Eanes, R.; Kang, Z.; Ko, U.; McCullough, C.; Nagel, P.; Pie, N.; Poole, S.; Richter, T.; Save, H.; Tapley, B. (2016): The Combined Gravity Model GGM05C. GFZ Data Services. http://doi.org/10.5880/icgem.2016.002

Abstract

GGM05C is an unconstrained global gravity model complete to degree and order 360 determined from 1) GRACE K-band intersatellite range-rate data, GPS tracking and GRACE accelerometer data, 2) GOCE gradiometer data (ZZ+YY+XX+XZ) spanning the entire mission using a band pass filter of 10-50 mHz and polar gap filled with synthetic gradients from GGM05S to degree/order 150 evaluated at 200-km altitude, and 3) terrestrial gravity anomalies from DTU13 (Andersen et al., 2014). The value for C20 has been replaced with a value derived from satellite laser ranging. No rate terms were modeled.

For additional details on the background modeling, see the CSR RL05 processing standards document available at ftp://podaac.jpl.nasa.gov/allData/grace/docs/L2-CSR0005_ProcStd_v4.0.pdf (Bettadpur 2012).
Detailed information about GGM05C is available at ftp://ftp.csr.utexas.edu/pub/grace/GGM05/README_GGM05C.pdf (Ries et al., 2016).

Parameters

product_typegravity_field
modelnameGGM05C
earth_gravity_constant3.986004415E+14
radius6.378136300E+06
max_degree360
errorscalibrated
normfully_normalized
tide_systemzero_tide

Dataset Contact

  • Ries, J.; Center for Space Research The University of Texas at Austin, US;
  • Bettadpur, S.; Center for Space Research The University of Texas at Austin, US;

Contributors

Barthelmes, Franz; Reißland, Sven

Keywords

ICGEM, global gravitational model, GRACE, GOCE

GCMD Science Keywords

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          • affiliation: Center for Space Research The University of Texas at Austin, US
        • creator
          • creatorName: Bettadpur, S.
          • affiliation: Center for Space Research The University of Texas at Austin, U
        • creator
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          • affiliation: Center for Space Research The University of Texas at Austin, U
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          • affiliation: Center for Space Research The University of Texas at Austin, U
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          • affiliation: Center for Space Research The University of Texas at Austin, US
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          • affiliation: Center for Space Research The University of Texas at Austin, US
      • titles
        • title (xml:lang=eng): The Combined Gravity Model GGM05C
      • publisher: GFZ Data Services
      • publicationYear: 2016
      • subjects
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        • subject: global gravitational model
        • subject: GRACE
        • subject: GOCE
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          • affiliation: Center for Space Research The University of Texas at Austin, US
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          • contributorName: Ries, J.
          • affiliation: Center for Space Research The University of Texas at Austin, US
        • contributor (contributorType=ContactPerson)
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          • affiliation: Center for Space Research The University of Texas at Austin, U
        • contributor (contributorType=ProjectMember)
          • contributorName: Bettadpur, S.
          • affiliation: Center for Space Research The University of Texas at Austin, U
        • contributor (contributorType=ProjectMember)
          • contributorName: Eanes, R.
          • affiliation: Center for Space Research The University of Texas at Austin, U
        • contributor (contributorType=ProjectMember)
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          • affiliation: Center for Space Research The University of Texas at Austin, U
        • contributor (contributorType=ProjectMember)
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          • affiliation: Center for Space Research The University of Texas at Austin, US
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          • affiliation: Center for Space Research The University of Texas at Austin, US
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          • affiliation: Center for Space Research The University of Texas at Austin, US
        • contributor (contributorType=ProjectMember)
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          • affiliation: Center for Space Research The University of Texas at Austin, US
        • contributor (contributorType=ProjectMember)
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          • affiliation: Center for Space Research The University of Texas at Austin, US
        • contributor (contributorType=ProjectMember)
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          • affiliation: Center for Space Research The University of Texas at Austin, US
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          • affiliation: Center for Space Research The University of Texas at Austin, US
        • contributor (contributorType=ProjectMember)
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          • affiliation: Center for Space Research The University of Texas at Austin, US
        • contributor (contributorType=DataCurator)
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          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
        • contributor (contributorType=DataManager)
          • contributorName: Reißland, Sven
          • affiliation: GFZ German Research Centre for Geosciences, Potsdam, Germany
      • language: eng
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  • endnote:  /  download xml
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      • RECORDS
        • RECORD
          • AUTHORS
            • AUTHOR: Ries, J.
            • AUTHOR: Bettadpur, S.
            • AUTHOR: Eanes, R.
            • AUTHOR: Kang, Z.
            • AUTHOR: Ko, U.
            • AUTHOR: McCullough, C.
            • AUTHOR: Nagel, P.
            • AUTHOR: Pie, N.
            • AUTHOR: Poole, S.
            • AUTHOR: Richter, T.
            • AUTHOR: Save, H.
            • AUTHOR: Tapley, B.
          • YEAR: 2016
          • TITLE: The combination global gravity model GGM05C
          • PLACE_PUBLISHED: Center for Space Research, The University of Texas at Austin
          • PUBLISHER: Center for Space Research, The University of Texas at Austin
          • TYPE_OF_WORK: Technical Momorandum
          • URL: ftp://ftp.csr.utexas.edu/pub/grace/GGM05/README_GGM05C.pdf
        • RECORD
          • AUTHORS
            • AUTHOR: Bettadpur, S.
          • YEAR: 2012
          • TITLE: UTCSR Level-2 Processing Standards Document for Level-2 Product Release 0005
          • PLACE_PUBLISHED: GRACE 327-742
          • PUBLISHER: GRACE 327-742
          • TYPE_OF_WORK: Technical Momorandum
          • URL: ftp://podaac.jpl.nasa.gov/allData/grace/docs/L2-CSR0005_ProcStd_v4.0.pdf
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      • Entry_ID: 10.5880/icgem.2016.002
      • Entry_Title: The Combined Gravity Model GGM05C
      • Data_Set_Citation
        • Dataset_Creator: Ries, J.; Bettadpur, S.; Eanes, R.; Kang, Z.; Ko, U.; McCullough, C.; Nagel, P.; Pie, N.; Poole, S.; Richter, T.; Save, H.; Tapley, B.
        • Dataset_Title: The Combined Gravity Model GGM05C
        • Dataset_Release_Date: 2016
        • Dataset_Release_Place: Potsdam, Germany
        • Dataset_Publisher: GFZ Data Services
        • Online_Resource: http://dx.doi.org/10.5880/icgem.2016.002
      • Parameters
        • Category: EARTH SCIENCE
        • Topic: SOLID EARTH
        • Term: GRAVITY/GRAVITATIONAL FIELD
        • Variable_Level_1: GRAVITATIONAL FIELD
      • Parameters
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        • Topic: SOLID EARTH
        • Term: GEODETICS
        • Variable_Level_1: GEOID CHARACTERISTICS
      • ISO_Topic_Category: geoscientificInformation
      • Keyword: ICGEM
      • Keyword: global gravitational model
      • Keyword: GRACE
      • Keyword: GOCE
      • Spatial_Coverage
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        • Northernmost_Latitude: 90
        • Westernmost_Longitude: -180
        • Easternmost_Longitude: 180
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          • Long_Name: GFZ
        • Personnel
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          • Last_Name: Deutsches GeoForschungsZentrum GFZ
      • Summary
        • Abstract: GGM05C is an unconstrained global gravity model complete to degree and order 360 determined from 1) GRACE K-band intersatellite range-rate data, GPS tracking and GRACE accelerometer data, 2) GOCE gradiometer data (ZZ+YY+XX+XZ) spanning the entire mission using a band pass filter of 10-50 mHz and polar gap filled with synthetic gradients from GGM05S to degree/order 150 evaluated at 200-km altitude, and 3) terrestrial gravity anomalies from DTU13 (Andersen et al., 2014). The value for C20 has been replaced with a value derived from satellite laser ranging. No rate terms were modeled. For additional details on the background modeling, see the CSR RL05 processing standards document available at ftp://podaac.jpl.nasa.gov/allData/grace/docs/L2-CSR0005_ProcStd_v4.0.pdf (Bettadpur 2012). Detailed information about GGM05C is available at ftp://ftp.csr.utexas.edu/pub/grace/GGM05/README_GGM05C.pdf (Ries et al., 2016).
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      • Metadata_Version: 9.8.2
  • parameters:  /  download xml
    • parameters
      • field (type=product_type): gravity_field
      • field (type=modelname): GGM05C
      • field (type=earth_gravity_constant): 3.986004415E+14
      • field (type=radius): 6.378136300E+06
      • field (type=max_degree): 360
      • field (type=errors): calibrated
      • field (type=norm): fully_normalized
      • field (type=tide_system): zero_tide
  • escidoc:  /  download xml
    • resource
      • title (xml:lang=eng): The Combined Gravity Model GGM05C
      • creator
        • creatorName: Ries, J.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: Bettadpur, S.
        • affiliation: Center for Space Research The University of Texas at Austin, U
      • creator
        • creatorName: Eanes, R.
        • affiliation: Center for Space Research The University of Texas at Austin, U
      • creator
        • creatorName: Kang, Z.
        • affiliation: Center for Space Research The University of Texas at Austin, U
      • creator
        • creatorName: Ko, U.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: McCullough, C.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: Nagel, P.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: Pie, N.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: Poole, S.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: Richter, T.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: Save, H.
        • affiliation: Center for Space Research The University of Texas at Austin, US
      • creator
        • creatorName: Tapley, B.
        • affiliation: Center for Space Research The University of Texas at Austin, US

Location

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    Data Files

    License: CC BY 4.0