Getting Started

Installation
Getting Started
NASA Earthdata
Data File Formats
Contribution Guidelines
Code of Conduct
Resources

Background

Background
Spatial Maps
Time Series Analysis
Geocenter Variations

User Guide

Examples

API Reference

Access

cnes_grace_sync.py
esa_costg_swarm_sync.py
gfz_icgem_costg_ftp.py
gfz_isdc_dealiasing_sync.py
gfz_isdc_grace_sync.py
itsg_graz_grace_sync.py
podaac_cumulus.py

Dealiasing

aod1b_geocenter.py
aod1b_oblateness.py
dealiasing_global_uplift.py
dealiasing_monthly_mean.py

Geocenter

calc_degree_one.py
monte_carlo_degree_one.py

Use Cases

calc_mascon.py
calc_harmonic_resolution.py
calc_sensitivity_kernel.py
combine_harmonics.py
convert_harmonics.py
grace_mean_harmonics.py
grace_raster_grids.py
grace_spatial_error.py
grace_spatial_maps.py
mascon_reconstruct.py
piecewise_grace_maps.py
regress_grace_maps.py
run_sea_level_equation.py
scale_grace_maps.py

Mapping

plot_AIS_grid_maps.py
plot_AIS_grid_3maps.py
plot_AIS_grid_4maps.py
plot_AIS_grid_movie.py
plot_AIS_GrIS_maps.py
plot_AIS_regional_maps.py
plot_AIS_regional_movie.py
plot_global_grid_maps.py
plot_global_grid_3maps.py
plot_global_grid_4maps.py
plot_global_grid_5maps.py
plot_global_grid_9maps.py
plot_global_grid_movie.py
plot_GrIS_grid_maps.py
plot_GrIS_grid_3maps.py
plot_GrIS_grid_5maps.py
plot_GrIS_grid_movie.py

Utilities

make_grace_index.py
quick_mascon_plot.py
quick_mascon_regress.py
run_grace_date.py

Project Details

Contributors
Licenses
Testing
Citation Information

Bibliography

Bibliography

External links

Source Code
License

gravity-toolkit

Spherical Harmonics

Spherical Harmonics

../_images/sphharm.png — Spherical harmonics for degrees 1 through 4

© Copyright 2019–2025, Tyler C. Sutterley.

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