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ESTA
Emissions Spatial and Temporal Allocator
ESTA is a command-line tool for processing raw emissions data into spatially and temporally-allocated emissions inventories, suitable for photochemicaly modeling or other analysis.
ESTA Documentation
For more information about what ESTA is and what it does, see:
For more information about how to use ESTA, see:
For information about the default spatial and temporal surrogates included in ESTA, see:
If you are a developer, looking to understand or improve ESTA, see:
Open-Source Licence
ESTA was developed by the California State Government, by the Air Quality Planning and Science Division of the Air Resources Board at the California EPA. As it was the product of a publically-funded government agency, both the model and the documentation are part of the public domain. They are openly licensed under the GNU GPLv3 license, and free for all to use.