Citation Information

References

The programs included in this software have contributed most recently to the following work:

I. Velicogna, Y. Mohajerani, G. A, F. Landerer, J. Mouginot, B. Noël, E. Rignot, T. C. Sutterley, M. van den Broeke, J. M. van Wessem, and D. Wiese, “Continuity of ice sheet mass loss in Greenland and Antarctica from the GRACE and GRACE Follow-On missions”, Geophysical Research Letters, 47, (2020). doi: 10.1029/2020GL087291

T. C. Sutterley, I. Velicogna, and C.-W. Hsu, “Self-Consistent Ice Mass Balance and Regional Sea Level From Time-Variable Gravity”, Earth and Space Science, 7, (2020). doi: 10.1029/2019EA000860

T. C. Sutterley and I. Velicogna, “Improved estimates of geocenter variability from time-variable gravity and ocean model outputs”, Remote Sensing, 11(18), 2108, (2019). doi: 10.3390/rs11182108

Some of the text within this documentation are modifications from these original works, which is allowed under the publisher’s permissions policies for authors or through the Creative Commons licensing of the work.

Please consider citing our library

T. C. Sutterley, et al., “gravity-toolkit: Python tools for obtaining and working with data from the GRACE and GRACE Follow-On missions”, (2020). doi: 10.5281/zenodo.5156864

Dependencies

This software is also dependent on other commonly used Python packages:

• cartopy: Python package designed for geospatial data processing

• future: Compatibility layer between Python 2 and Python 3

• h5py: Python interface for Hierarchal Data Format 5 (HDF5)

• ipywidgets: interactive HTML widgets for Jupyter notebooks and IPython

• lxml: processing XML and HTML in Python

• matplotlib: Python 2D plotting library

• netCDF4: Python interface to the netCDF C library

• numpy: Scientific Computing Tools For Python

• python-dateutil: powerful extensions to datetime

• PyYAML: YAML parser and emitter for Python

• scipy: Scientific Tools for Python

• tkinter: Python interface to the Tcl/Tk GUI toolkit

Disclaimer

This work is currently supported by the NASA GRACE-FO Science Team (Grant Number 80NSSC24K1153). This program is not sponsored or maintained by the Universities Space Research Association (USRA), the Center for Space Research at the University of Texas (UTCSR), the Jet Propulsion Laboratory (JPL), the German Research Centre for Geosciences (GeoForschungsZentrum, GFZ) or NASA.

Caution

This software is provided here for your convenience but with no guarantees whatsoever.

This product includes software developed at:

• University of California, Irvine, Department of Earth System Science

• Jet Propulsion Laboratory, California Institute of Technology

• National Aeronautics and Space Administration, Goddard Space Flight Center

• University of Washington, Applied Physics Laboratory, Polar Science Center

Acknowledgements

Much of this software stems from the work of John Wahr (1951–2015), who made immeasurable contributions towards time-variable gravity research and was an inspiration.