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GEOS-CHEM global 3-D chemical transport model (CTM) Along Track - CH4, C2H6, CO, Acetone, O3 [Harvard]

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Summary

GEOS-Chem is a global 3-D chemical transport model (CTM) for atmospheric composition driven by meteorological input from the Goddard Earth Observing System (GEOS) of the NASA Global Modeling and Assimilation Office. This dataset contains gridded global monthly averages of methane, ethane, carbon monoxide, acetone, and ozone.

Data access

ORDER data to made available for download

user agreement required

Additional information

Identifier	DOI: https://doi.org/10.26023/11N2-Z0H3-Q213
Data Quality	final
Versions	1.0 (2013-01-23)
Subscribe	Subscribe to receive email when new or updated data is available.
Related projects	HIPPO3: HIAPER Pole to Pole Observations 3 (HIPPO-3) HIPPO: HIAPER Pole to Pole Observations 1 (HIPPO-1) HIPPO5: HIAPER Pole to Pole Observations 5 (HIPPO-5) HIPPO4: HIAPER Pole to Pole Observations 4 (HIPPO-4) HIPPO2: HIAPER Pole to Pole Observations 2 (HIPPO-2)
Frequency	continuous
Language	English
Categories	Models/Analyses
Platforms	Goddard Earth Observing System (GEOS) Chemical Model - GEOS-Chem
Instruments	Computer
GCMD Science Keywords	ATMOSPHERIC CARBON MONOXIDE ATMOSPHERIC CHEMISTRY MODELS ATMOSPHERIC OZONE METHANE TRACE GASES/TRACE SPECIES Expand keywords
Restrictions	user agreement required: fair-use.html [2 KiB]
Related links	homepage: EOL HIPPO Overview page homepage: HIPPO 5 Home Page info: HIPPO 5 Missions info: HIPPO Data Policy info: HIPPO-1 Project Missions homepage: HIPPO-1 Project Page info: HIPPO-2 Missions homepage: HIPPO-2 Project Homepage info: HIPPO-3 Missions homepage: HIPPO-3 Project Page info: HIPPO-4 Missions homepage: HIPPO-4 Project Homepage info: Narrative description of the GEOS–Chem Model

Temporal coverage

Begin datetime	2009-01-01 00:00:00
End datetime	2011-09-30 23:59:00

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 89.50, Minimum (South) Latitude: -89.50
Minimum (West) Longitude: -180.00, Maximum (East) Longitude: 177.50

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Additional contact information

author: Harvard University
author: Global Modeling and Assimilation Office (GMAO)

Citation

Harvard University, Global Modeling and Assimilation Office (GMAO). 2013. GEOS-CHEM global 3-D chemical transport model (CTM) Along Track - CH4, C2H6, CO, Acetone, O3. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.26023/11N2-Z0H3-Q213. Accessed 18 Apr 2025.

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