Software Tools

This page provides links to several self-contained, downloadable software products that have been developed by GISS personnel, either for specific research purposes or for more general analytic use.

Climate Modeling

GISS GCM - Model E

Fortran 90 source and documentation for the GISS ModelE series of coupled atmosphere-ocean models. These models have been used for our contribution to the CMIP3 and CMIP5 archives of model simulation results.
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Exoplanets & Planetary Science

GISS GCM - ROCKE-3D

Fortran 90 source and documentation for a version of GISS modelE GCM specially adapted for planetary (non-modern-Earth) simulations.
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Mars24

Desktop application that calculates the solar and mean time for any location on the planet Mars, presenting the data as digital readouts and in "sunclock" format. (Requires Java)
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Radiation

T-Matrix Codes

Fortran source code for computing electromagnetic scattering by nonspherical and aggregated particles.
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Bidirectional Reflection Codes

Fortran source code for computing bidirectional reflection function for a semi-infinite homogeneous slab composed of arbitrarily shaped, randomly oriented particles.
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Data Visualization

Panoply

Desktop application that interactively plots georeferenced and other data encoded in netCDF, HDF and GRIB file formats. (Requires Java)
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G.Projector

Desktop application that explores over 200 map projections, including transformation of input equirectangular map images. (Requires Java)
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Numerical Tools

JIGSAW(GEO)

C++ package that generates variable resolution unstructured mesh grids in complex domains. It is useful for multi-resolution GCMs and climate process modeling.
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Astrophysics

MOLSCAT

Fortran source for quantum mechanical solution of nonreactive molecular scattering, useful in astrophysical studies.
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