Please Note: This dataset is retired, and is displayed for archive purposes only, and may not reflect the most updated information.
However, a newer version exists.
GRACE-FO Level-2 Monthly Geopotential Spherical Harmonics JPL Release 6.3 (RL06.3). DOI: https://doi.org/10.5067/GFL20-MJ063
For Version History information click here >>
However, a newer version exists.
GRACE-FO Level-2 Monthly Geopotential Spherical Harmonics JPL Release 6.3 (RL06.3). DOI: https://doi.org/10.5067/GFL20-MJ063
For Version History information click here >>
GRACE-FO Level-2 Monthly Geopotential Spherical Harmonics JPL Release 6.0 (RL06)
(GRACEFO_L2_JPL_MONTHLY_0060)
6 Publications Cited this Dataset
Citation metrics available for years (2014-2022)
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Publications citing GRACE-FO Level-2 Monthly Geopotential Spherical Harmonics JPL Release 6.0 (RL06)
Citation metrics available for years (2014-2022)
| Year | Citation |
|---|---|
| 2020 | Return to rapid ice loss in Greenland and record loss in 2019 detected by the GRACE-FO satellites, Communications Earth & Environment ,https://doi.org/10.1038/s43247-020-0010-1 |
| 2021 | Automated Dynamic Mascon Generation for GRACE and GRACE-FO Harmonic Processing, Journal ,10.3390/rs13163134 |
| 2021 | GRACE-FO. GRACEFO_L2_JPL_MONTHLY_0060. Ver. 6. PO.DAAC, CA, USA, 2019. Available online: https://podaac.jpl.nasa. gov/dataset/GRACEFO_L2_JPL_MONTHLY_0060 (accessed on 24 March 2021). Earth's Time-Variable Gravity from GRACE Follow-On K-Band Range-Rates and Pseudo-Observed Orbits, Journal ,10.3390/rs13091766 |
| 2022 | Extraction of GRACE/GRACE-FO observed mass change patterns across Antarctica via independent component analysis (ICA), Geophysical Journal International ,10.1093/gji/ggac033 |
| 2022 | Detection of slow changes in terrestrial water storage with GRACE and GRACE-FO satellite gravity missions ,10.5194/egusphere-2022-1032 |
| 2022 | Analysis of Earth's polar motion and length of day trends in comparison with estimates using second degree stokes coefficients from satellite gravimetry, Advances in Space Research ,10.1016/j.asr.2021.09.010 |
| DOI | 10.5067/GFL20-MJ060 |
| Short Name | GRACEFO_L2_JPL_MONTHLY_0060 |
| Description | FOR EXPERT USE ONLY. This dataset contains estimates of the total month-by-month geopotential of the Earth, derived from the Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) mission measurements, produced by the NASA Jet Propulsion Laboratory (JPL). The data are provided in spherical harmonic coefficients, averaged over approximately a month. The primary objective of the GRACE-FO mission is to obtain accurate estimates of the mean and time-variable components of the gravity field and corresponding Earth mass change variations, such as from polar ice sheets and mountain glaciers; total water storage on land (from groundwater changes in deep aquifers to changes in soil moisture and surface water); changes in deep ocean currents; and changes within the solid Earth itself, such as postglacial rebound and the impact of major earthquakes. This objective is achieved by making continuous measurements of the change in distance between twin spacecraft, co-orbiting in about 490 km altitude, near circular, polar orbit, spaced approximately 220+/-50 km apart, using a microwave ranging system. In addition to these inter-satellite range changes, the non-gravitational forces acting on each satellite are measured using a high accuracy electrostatic accelerometer. The satellite orientation and position (and timing) are precisely measured using star cameras (with three heads per satellite) and a GPS receiver. Spatial and temporal variations in the gravity field perturb the orbits (or trajectories) of the twin spacecraft differently. These differences lead to minute changes (on the order of tens of micrometers per second) in the distance between the spacecraft as they orbit the Earth. This change in distance (or range rate) is reflected in the time-of-flight of microwave signals transmitted and received nearly simultaneously between the two spacecraft. The change in this time of fight is continuously measured by tracking the phase of the microwave carrier signals. The so called dual-one-way range change measurements can be reconstructed from these phase measurements. This range change (or its numerically derived derivatives), along with other mission and ancillary data, is subsequently analyzed to extract the geopotential coefficients of an Earth gravity field model, typically on a per-month basis. |
| Version | 6 |
| Dataset Type | DEPRECATED |
Questions related to this dataset? Contact podaac@podaac.jpl.nasa.gov
Please contact podaac@podaac.jpl.nasa.gov for more info.
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 | GRACE-FO. 2019. GRACEFO_L2_JPL_MONTHLY_0060. Ver. 6. PO.DAAC, CA, USA. Dataset accessed [YYYY-MM-DD] at https://doi.org/10.5067/GFL20-MJ060
For more information see Data Citations and Acknowledgments.
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| Journal Reference | Dah-Ning Yuan, 2019, GRACE Follow-On Level-2 Gravity Field Product User Handbook. Jet Propulsion Laboratory, JPL D-103922. https://podaac-tools.jpl.nasa.gov/drive/files/allData/gracefo/docs/GRACE-FO_L2-UserHandbook_v1.0.pdf . |
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| Version | Dataset | Version Date | Status | |
|---|---|---|---|---|
| 6.3 | GRACE-FO Level-2 Monthly Geopotential Spherical Harmonics JPL Release 6.3 (RL06.3) | 2024-06-03 | ACTIVE | 2024-06-03T18:34:00.000Z |
| 6.1 | GRACE-FO Level-2 Monthly Geopotential Spherical Harmonics JPL Release 6.1 (RL06.1) | 2022-11-01 | RETIRED. | 2022-11-01T18:05:00.000Z |
| 6 | GRACE-FO Level-2 Monthly Geopotential Spherical Harmonics JPL Release 6.0 (RL06) | 2021-12-07 | RETIRED. | 2021-12-07T20:39:00.000Z |