Tellus Level-4 Antarctica Mass Anomaly Time Series from JPL GRACE/GRACE-FO Mascon CRI Filtered Release 06 version 02

(ANTARCTICA_MASS_TELLUS_MASCON_CRI_TIME_SERIES_RL06_V2)

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Version	2
Processing Level	4
Start/Stop Date	2002-Apr-01 to Present
Short Name	ANTARCTICA_MASS_TELLUS_MASCON_CRI_TIME_SERIES_RL06_V2
Description	This dataset is a time series of mass variability averaged over all of Antarctica. It provides the ice mass changes of Antarctica over time. The mass variability are derived from JPL GRACE Mascon Ocean, Ice, and Hydrology Equivalent Water Height RL06Mv02 CRI Filtered Version 2, which can be found at https://podaac.jpl.nasa.gov/dataset/TELLUS_GRAC-GRFO_MASCON_CRI_GRID_RL06_V2. A more detailed description on the Mascon solution, including the mathematical derivation, implementation of geophysical constraints, and solution validation, please see Watkins et al., 2015, doi: 10.1002/2014JB011547. The mass variability are provided as an ASCII table.
DOI	10.5067/TEMSC-ATS62
Measurement	CRYOSPHERE > GLACIERS/ICE SHEETS > GLACIER MASS BALANCE/ICE SHEET MASS BALANCE
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 / KBR SENSOR Name: K-Band Ranging system (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. GRACE Platform Name: Gravity Recovery and Climate Experiment (GRACE) Orbit Period: -1.0 minutes Inclination Angle: 89.0 degrees / GRACE SCA SENSOR Name: Star Camera Assembly (GRACE SCA) GRACE Platform Name: Gravity Recovery and Climate Experiment (GRACE) Orbit Period: -1.0 minutes Inclination Angle: 89.0 degrees / KBR SENSOR Name: K-Band Ranging system (KBR) Swath Width: -1.0 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. GRACE Platform Name: Gravity Recovery and Climate Experiment (GRACE) Orbit Period: -1.0 minutes Inclination Angle: 89.0 degrees / GRACE ACC SENSOR Name: GRACE SuperSTAR Accelerometer (GRACE ACC) Swath Width: -1.0 kilometers Description: Spacecraft angular distance from orbital plane relative to the Equator. Show More
Project	Gravity Recovery and Climate Experiment (GRACE)
Data Provider	Publisher: TELLUS Creator: D. N. Wiese, D.-N. Yuan, C. Boening, F. W. Landerer, M. M. Watkins Release Place: JPL Release Date: 2020-Mar-18 Resource: http://grace.jpl.nasa.gov/data/get-data/jpl_global_mascons/
Format	ASCII
Keyword(s)	GRACE, Tellus, Mascon, water storage, ocean mass, water height, water mass, mass, land, ocean, gravity, pressure, ocean pressure, ocean bottom pressure

Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov

Resolution Spatial Resolution: 20 degrees (Latitude) x 360 degrees (Longitude) Temporal Resolution: Monthly - < Annual Coverage Region: ANTARCTICA Region: ANTARCTICA Region: ARCTIC Region: ANTARCTICA North Bounding Coordinate: -70 degrees South Bounding Coordinate: -90 degrees West Bounding Coordinate: -180 degrees East Bounding Coordinate: 180 degrees Time Span: 2002-Apr-01 to Present Granule Time Span: 2002-Apr-01 to 2022-Jun-30 Projection Projection Type: Equal Area Spherical Lat-Lon Projection Detail: Geolocation information included for each pixel Ellipsoid: WGS 84

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GENERAL DOCUMENTATION
http://grace.jpl.nasa.gov/about/faq/ GRACE Tellus Project page for Frequently Asked Questions.
http://podaac.jpl.nasa.gov/GRACE GRACE Mission Information Page
http://grace.jpl.nasa.gov/data/get-data/jpl_global_mascons/ Provides additional resources and information for the Global Mascon datasets.
https://podaac.jpl.nasa.gov/GRACE-FO GRACE Mission Information Page
https://podaac.jpl.nasa.gov/forum/viewforum.php?f=27 PO.DAAC Forum Page
PUBLICATIONS
https://podaac-tools.jpl.nasa.gov/drive/files/allData/grace/docs/Wiese_2016_WRR.pdf For derivations of the CRI filter and gain factors, along with a discussion of leakage errors, please see Wiese et al., 2016, doi:10.1002/2016WR019344.
IMPORTANT NOTICE
http://grace.jpl.nasa.gov/data/data-updates/ Grace Tellus Project site for announcing recent and historical updates regarding Tellus datasets.
ANOMALIES
https://podaac-tools.jpl.nasa.gov/drive/files/allData/gracefo/docs/GRACE_GRACE-FO_Months_RL06.csv GRACE monthly data integration range
http://grace.jpl.nasa.gov/about/feedback/ GRACE Tellus Project web tool for entering user feedback. Users are advised to only use this tool when submitting data quality issues directly to the GRACE Tellus Project.
DATA CITATION POLICY
https://podaac.jpl.nasa.gov/CitingPODAAC Data Use and Citation Policy

Citation is critically important for dataset documentation and discovery. Please cite the data as follows, and cite the reference papers when it is appropriate.

Citation

D. N. Wiese, D.-N. Yuan, C. Boening, F. W. Landerer, M. M. Watkins. 2020. Tellus Level-4 Antarctica Mass Anomaly Time Series from JPL GRACE/GRACE-FO Mascon CRI Filtered Release 06 version 02. Ver. 2. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/TEMSC-ATS62

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For more information see Data Citations and Acknowledgments.

Journal Reference

Watkins, M. M., D. N. Wiese, D.-N. Yuan, C. Boening, F. W. Landerer. 2015. Improved methods for observing Earth's time variable mass distribution with GRACE, JGR Solid Earth, 120, 4. 10.1002/2014JB011547

Version	Dataset	Version Date	Status
2	Tellus Level-4 Antarctica Mass Anomaly Time Series from JPL GRACE/GRACE-FO Mascon CRI Filtered Release 06 version 02	2020-02-14	ACTIVE	2020-02-14T00:31:35.338Z
1	Antarctica Mass Variability Time Series Version 1 from JPL GRACE Mascon CRI Filtered	2017-03-17	RETIRED	1489714916144

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ANTARCTICA_MASS_TELLUS_MASCON_CRI_TIME_SERIES_RL06_V2

Collection Concept ID:

C2036882023-POCLOUD

Spatial Coverage:

N: -70°

S: -90°

E: 180°

W: -180°

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Tellus Level-4 Antarctica Mass Anomaly Time Series from JPL GRACE/GRACE-FO Mascon CRI Filtered Release 06 version 02

Tellus Level-4 Antarctica Mass Anomaly Time Series from JPL GRACE/GRACE-FO Mascon CRI Filtered Release 06 version 02

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Tellus Level-4 Antarctica Mass Anomaly Time Series from JPL GRACE/GRACE-FO Mascon CRI Filtered Release 06 version 02

Tellus Level-4 Antarctica Mass Anomaly Time Series from JPL GRACE/GRACE-FO Mascon CRI Filtered Release 06 version 02

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