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MLS/Aura Level 2 Carbon Monoxide (CO) Mixing Ratio V002 (ML2CO) at GES DISC

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Abstract: ML2CO is the EOS Aura Microwave Limb Sounder (MLS) standard product for carbon monoxide derived from radiances measured by the 640 GHz radiometer. The current version is 2.3. Data coverage is complete from August 8, 2004 to current. Spatial coverage is near-global (-82 deg. to +82 deg. latitude), with each profile spaced 1.5 deg. or ~165 km along the orbit track (roughly 15 orbits per day). The ... View entire text
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Geographic Coverage
Spatial coordinates   
  N: 82.0   S: -82.0   E: 180.0   W: -180.0
Min Altitude: 215 HPA Max Altitude: 0.00464 HPA

Data Set Citation
Dataset Originator/Creator: EOS MLS Science Team
Dataset Title: MLS/Aura Level 2 Carbon Monoxide (CO) Mixing Ratio
Dataset Series Name: ML2CO
Dataset Release Date: 2007-01-08
Dataset Release Place: Greenbelt, MD, USA
Dataset Publisher: NASA Goddard Earth Science Data and Information Services Center
Version: 002
Data Presentation Form: Digital Science Data
Online Resource:
Temporal Coverage
Start Date: 2004-08-08
Data Resolution
Latitude Resolution: 300 km at limb tagent point (along-track)
Longitude Resolution: 3 km at limb tagent point (cross-track)
Horizontal Resolution Range: 100 km - < 250 km or approximately 1 degree - < 2.5 degrees
Vertical Resolution: 3 - 6 km
Temporal Resolution: Twice per day; Day and Night; Orbital repeat cycle 16 days
Use Constraints Users are encouraged to register with the MLS science team at to obtain updates and information about this data product.
Ancillary Keywords
Data Set Progress
Data Center
Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA Supplemental Info
Data Center URL:

Data Center Personnel
Phone: 301-614-5224
Fax: 301-614-5268
Email: gsfc-help-disc at
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
Distribution Media: Online (FTP)
Distribution Size: 1.03 MB per file
Distribution Format: HDF-EOS5 (Swath)
Fees: None
Phone: 818-354-6716
Email: data at
Contact Address:
Mail Stop 183-701, Jet Propulsion Laboratory
4800 Oak Grove Drive
City: Pasadena
Province or State: CA
Postal Code: 91109-8099
Country: USA
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* Claeyman, M., J.L. Attie, L. El Amraoui, D. Cariolle, V. Peuch, H. Teyssedre, B. Josse, P. Ricaud, S. Massart, A. Piacentini, J.P. Cammas, N.J. Livesey, H.C. Pumphrey, and D.P. Edwards, "A linear CO chemistry parameterization in a chemistry-transport model: evaluation and application to data assimilation", Atmos. Chem. Phys. 10, 6097-6115, doi:10.5194/acp-10-6097-2010, 2010.

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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2006-09-20
Last DIF Revision Date: 2016-01-20
Future DIF Review Date: 2015-06-01