| GRACE-FO SDS Newsletter
Revision: 001 |
Monthly newsletter provided by the GRACE-FO Science Data System (SDS) describing science relevant events on the GRACE-FO space crafts and statistics on L0, L1 and L2 product generation. |
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GRACE-FO Mission Documentation
General Documentation
Level 1 Documentation
| AOD1B Product Description Document GRACE 327-750 Revision: 6.1 |
Describes the atmospheric and ocean de-aliasing product (AOD1B) and the barotropic ocean model output (OCN1B). |
| GRACE-FO Level 1 Data Product User Handbook JPL D-56935
Authors: Hui Ying Wen, et al. |
Provides a comprehensive description of the content and format of the GRACE-FO SDS Level-1A and 1B data products. |
| Release Notes for GRACE-FO L1B products
Author: Hui Ying Wen |
Gives additional information on GRACE-FO L1B products (not contained in other L1 documents). |
| GRACE-FO Accelerometer Data Products
Author: Christopher M. M. |
Provides the accelerometer data, which is calibrated to enable more optimal gravity field recovery. |
Level-2 Documentation
| GRACE-FO Level-2 Gravity Field Product User Handbook, JPL D-103922
Revision: 1.0 |
The GRACE Follow-On Level-2 Gravity Field Product User Handbook provides a description of the Earth gravity field estimates provided by the Level-2 processing. In particular, the relationship of the abstract concept of the geopotential, its instantaneous and mean values, and the specific set of GRACE Follow-On gravity estimates is described in this document. |
| CSR GRACE-FO L2 Processing Standards Document RL06
Author: H. Save |
This document serves as a record of the processing standards, models & parameters adopted for the creation of the Level-2 gravity field data products by the GRACE FollowOn (GRACE-FO) Science Data System component at The University of Texas Center for Space Research (UTCSR). |
| GFZ GRACE-FO L2 Processing Standards Document RL06
Author: C. Dahle et al. |
This document serves as a record of the processing standards, models & parameters adopted for the generation of the Level-2 gravity field data products by the GRACE-FO Science Data System component at the GFZ German Research Centre for Geosciences. |
| JPL GRACE-FO L2 Processing Standards Document RL06
Author: D.-N. Yuan |
This document serves as a record of the processing standards, models & parameters adopted for the generation of the Level-2 gravity field data products by the GRACE Follow-On Science Data System component at NASA Jet Propulsion Laboratory of the California Institute of Technology (JPL). |
| Release Notes for CSR GRACE-FO L2 RL06 products
Author: S. Bettadpur |
Information on CSR GRACE-FO Level-2 RL06 products |
| Release Notes for GFZ GRACE-FO L2 RL06 products
Author: C. Dahle |
Information on GFZ GRACE-FO Level-2 RL06 products |
| Release Notes for JPL GRACE-FO L2 RL06 products
Author: C. M. McCullough, et al. |
Information on JPL GRACE-FO Level-2 RL06 products |
Level-3 Documentation
| GRACE-FO Level-3 Data Product User Handbook JPL
Author: Savannah S. Cooley and Felix W. Landerer |
This Handbook is designed to guide both experienced and beginner users in understanding and using Level-3 GRACE and GRACE-FO data products.The three main objectives of this document are to, 1) provide an overview of the GRACE-FO mission including the instrument design, science data processing, and calibration and validation procedures, 2) provide a description of the available Level-3 GRACE-FO data products and featured science and applications of Level-3 GRACE and GRACE-FO data, and 3) provide a set of step by step, reproducible use cases intended to serve as a reference for users who are interested in GRACE-FO Level-3 data products. |
Technical Notes
| GRACE-FO Technical Note #01: Sequence of Events (SOE) File
Updated Daily |
Provides a record of changes of the state of a specific satellite sensor or satellite event, which may alter the processing parameters used for the L1B processing. This file is updated on a daily basis. |
| GRACE-FO Technical Note #11: Monthly estimates of C20 from 5 satellites based on GRACE RL06 models
Authors: M. Cheng and J.Ries |
Use these estimates to replace the C20 values from the GSM files of the GRACE-FO RL06 products only. These estimates are not intended to be used with the GRACE RL05 or earlier products. |
| GRACE-FO Technical Note #12: Convert Global Mean OBP -> Global Mean Ocean Mass
Author: F.W.Landerer |
This calculation uses AOD1B 'GAC' fields, and integrates over the ocean-area only; due to the definition of 'GAC' (see AOD1B handbook for further details), the resulting mean value effectively represents 'mean atmospheric mass over the global ocean' for each time step. |
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GRACE-FO Technical Note #13a: degree-1 (geocenter) gravity coefficients from CSR RL06 GRACE-FO Technical Note #13a: degree-1 (geocenter) gravity coefficients from CSR RL06.1 |
This file contains monthly estimates of degree-1 gravity coefficients for the GRACE Release-06 data, based on ocean and atmospheric models and GRACE coefficients for degrees 2 and higher. |
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GRACE-FO Technical Note #13b: degree-1 (geocenter) gravity coefficients from GFZ RL06 GRACE-FO Technical Note #13b: degree-1 (geocenter) gravity coefficients from GFZ RL06.1 |
This file contains monthly estimates of degree-1 gravity coefficients for the GRACE Release-06 data, based on ocean and atmospheric models and GRACE coefficients for degrees 2 and higher. |
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GRACE-FO Technical Note #13c: degree-1 (geocenter) gravity coefficients from JPL RL06 GRACE-FO Technical Note #13c: degree-1 (geocenter) gravity coefficients from JPL RL0601 |
This file contains monthly estimates of degree-1 gravity coefficients for the GRACE Release-06 data, based on ocean and atmospheric models and GRACE coefficients for degrees 2 and higher. |
| GRACE-FO Technical Note #14: NASA GSFC SLR C20 and C30 solutions
Authors: B.D. Loomis and K.E. Rachlin |
This file contains SLR-derived C20 and C30 values for replacing GRACE/GRACE-FO GSM Values prior to MJD 56006 use 5 satellites: LAGEOS-1/2, Stella, Starlette, AJISAI Values beginning on MJD 56006 use 7 atellites: LARES and Larets added C30 values are not provided prior to MJD 56006 Estimated parameters for both 5 and 7-satellite configurations: 5x5+C61,S61 |