Antarctica Ice Sheet Mass Changes from Satellite Gravimetry (2002-2019)

Antarctica Ice Sheet Mass Changes from Satellite Gravimetry (2002-2019)


This dataset includes the Antarctica ice sheet mass balance estimated from satellite gravimetry data, April 2002 to December 2019. The satellite measured gravity data mainly come from the joint NASA/DLR mission, Gravity Recovery And Climate Exepriment (GRACE, April 2002 to June 2017), and its successor, GRACE-FO (June 2018 till present). Considering the ~1-year data gap between GRACE and GRACE-FO, we extra include gravity data estimated from GPS tracking data of ESA's Swarm 3-satellite constellation. The GRACE data used in this study are weighted mean of CSR, GFZ, JPL and OSU produced solutions. The post-processing includes: replacing GRACE degree-1, C20 and C30 spherical harmonic coefficients with SLR estimates, destriping filtering, 300-km Gaussian smoothing, GIA correction using ICE6-G_D (VM5a) model, leakage reduction using forward modeling method and ellipsoidal correction.


File naming and required software

File nameing: OSU_Antarctica_Ice_Sheet_Mass_Changes_v01.mat, where OSU represents the institute that prepares the data, v01 is the version number 1.0, mat is the Matlab data format.


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Cite as:

Yu, Z., Shum, C. (2020). Antarctica Ice Sheet Mass Changes from Satellite Gravimetry (2002-2019). National Tibetan Plateau Data Center, (Download the reference: RIS | Bibtex )

Using this data, the data citation is required to be referenced and the related literatures are suggested to be cited.


Support Program

CASEarth:Big Earth Data for Three Poles(grant No. XDA19070000) (No:XDA19000000)

Copyright & License

To respect the intellectual property rights, protect the rights of data authors,expand servglacials of the data center, and evaluate the application potential of data, data users should clearly indicate the source of the data and the author of the data in the research results generated by using the data (including published papers, articles, data products, and unpublished research reports, data products and other results). For re-posting (second or multiple releases) data, the author must also indicate the source of the original data.

Example of acknowledgement statement is included below: The data set is provided by National Tibetan Plateau Data Center (http://data.tpdc.ac.cn).


License: This work is licensed under an Attribution 4.0 International (CC BY 4.0)


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Geographic coverage
East: 180.00 West: -180.00
South: -90.00 North: -60.00
Details
  • Temporal resolution: Monthly
  • Spatial resolution: 10km - 100km
  • File size: 2,000 MB
  • Views: 329
  • Downloads: 0
  • Access: Protection period
  • Temporal coverage: 2002-04-01 To 2019-12-31
  • Updated time: 2021-07-01

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Contacts
: Yu Zhang   Shum C.K.  

Distributor: National Tibetan Plateau Data Center

Email: data@itpcas.ac.cn

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