.. _hco: ########################################## The Harmonized Emissions Component (HEMCO) ########################################## .. raw:: html


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The **Harmonized Emissions Component (HEMCO)** is a software component for computing atmospheric emissions from different sources, regions, and species on a user-defined grid. It can combine, overlay, and update a set of data inventories :ref:`base emissions ` and :ref:`scale factors `, as specified by the user through :ref:`the HEMCO configuration file `. Emissions that depend on environmental variables and non-linear parameterizations are calculated in separate :ref:`hco-ext`. HEMCO can be run in :ref:`standalone mode ` or :ref:`coupled to an atmospheric model `. A more detailed description of HEMCO is given in :cite:t:`Keller_et_al._2014` and :cite:t:`Lin_et_al._2021`. .. toctree:: :maxdepth: 2 :caption: HEMCO Standalone User Guide hco-sa-guide/intro.rst hco-sa-guide/hardware.rst hco-sa-guide/software.rst hco-sa-guide/login-env.rst hco-sa-guide/download-code.rst hco-sa-guide/create-rundir.rst hco-sa-guide/compiling.rst hco-sa-guide/config-sim.rst hco-sa-guide/download-data.rst hco-sa-guide/run-standalone.rst .. toctree:: :maxdepth: 2 :caption: HEMCO Reference Guide hco-ref-guide/intro.rst hco-ref-guide/basic-examples.rst hco-ref-guide/hemco-config.rst hco-ref-guide/extensions.rst hco-ref-guide/units.rst hco-ref-guide/diagnostics.rst hco-ref-guide/more-examples.rst hco-ref-guide/under-the-hood.rst hco-ref-guide/input-file-format.rst coupling/intro.rst hco-ref-guide/key-references.rst .. toctree:: :maxdepth: 1 :caption: Supplemental Guides geos-chem-shared-docs/supplemental-guides/load-libraries-guide.rst geos-chem-shared-docs/supplemental-guides/spack-guide.rst geos-chem-shared-docs/supplemental-guides/error-guide.rst geos-chem-shared-docs/supplemental-guides/debug-guide.rst geos-chem-shared-docs/doc/gcid-portal-overview.rst geos-chem-shared-docs/doc/gcid-special-portals.rst geos-chem-shared-docs/supplemental-guides/bashdatacatalog.rst geos-chem-shared-docs/supplemental-guides/parallel-guide.rst geos-chem-shared-docs/supplemental-guides/netcdf-guide.rst geos-chem-shared-docs/supplemental-guides/coards-guide.rst geos-chem-shared-docs/supplemental-guides/related-docs.rst .. toctree:: :maxdepth: 1 :caption: Help and Reference hco-ref-guide/version-history.rst hco-ref-guide/known-bugs.rst reference/CONTRIBUTING.md reference/SUPPORT.md geos-chem-shared-docs/editing_these_docs.rst