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MOPITT CO gridded monthly means (Thermal Infrared Radiances) V009

Published by NASA/LARC/SD/ASDC | National Aeronautics and Space Administration | Catalog Last Checked: June 23, 2026 at 08:37 PM | Dataset Last Updated: June 23, 2026
MOP03TM_9 is the Measurements Of Pollution In The Troposphere (MOPITT) Carbon Monoxide (CO) gridded monthly means (Thermal Infrared Radiances) version 9 data product. The "T" refers to the use of the Thermal (T) channels in the retrieval. It contains monthly mean-gridded daily Level 2 CO profile versions and total column retrievals. For this data product, the averaging kernels associated with each retrieval are also gridded and included in the Level 3 files. For a description of the file contents, refer to the File Spec Document. The MOPITT Level 2 Data Quality Statement contains additional information about the retrievals' quality and limitations. MOPITT was successfully launched into sun-synchronous polar orbit aboard Terra, NASA's first Earth Observing System spacecraft, on December 18, 1999. The MOPITT instrument was constructed by a consortium of Canadian companies and funded by the Space Science Division of the Canadian Space Agency. V9 is an improvement over V8 because of several scientific enhancements. These include a revision of the cloud filter to allow through a much higher number of pixels that were previously considered cloudy, a minor correction to the Forward Model to account for the long-term drift of the pressure in the gas cell, and a careful analysis of the NIR calibration process which reduces discontinuities associated with calibration events.

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Complete Metadata
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accessLevel public
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description MOP03TM_9 is the Measurements Of Pollution In The Troposphere (MOPITT) Carbon Monoxide (CO) gridded monthly means (Thermal Infrared Radiances) version 9 data product. The "T" refers to the use of the Thermal (T) channels in the retrieval. It contains monthly mean-gridded daily Level 2 CO profile versions and total column retrievals. For this data product, the averaging kernels associated with each retrieval are also gridded and included in the Level 3 files. For a description of the file contents, refer to the File Spec Document. The MOPITT Level 2 Data Quality Statement contains additional information about the retrievals' quality and limitations. MOPITT was successfully launched into sun-synchronous polar orbit aboard Terra, NASA's first Earth Observing System spacecraft, on December 18, 1999. The MOPITT instrument was constructed by a consortium of Canadian companies and funded by the Space Science Division of the Canadian Space Agency. V9 is an improvement over V8 because of several scientific enhancements. These include a revision of the cloud filter to allow through a much higher number of pixels that were previously considered cloudy, a minor correction to the Forward Model to account for the long-term drift of the pressure in the gas cell, and a careful analysis of the NIR calibration process which reduces discontinuities associated with calibration events.
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identifier 10.5067/TERRA/MOPITT/MOP03TM.009
keyword 
[
  "earth-science-air-quality-atmosphere",
  "earth-science-air-quality-atmosphere-carbon-monoxide",
  "earth-science-atmospheric-chemistry-atmosphere",
  "earth-science-atmospheric-chemistry-atmosphere-carbon-and-hydrocarbon-compounds",
  "earth-science-atmospheric-pressure-atmosphere",
  "earth-science-atmospheric-pressure-atmosphere-surface-pressure",
  "earth-science-atmospheric-temperature-atmosphere",
  "earth-science-atmospheric-temperature-atmosphere-surface-temperature",
  "earth-science-atmospheric-water-vapor-atmosphere",
  "earth-science-atmospheric-water-vapor-atmosphere-water-vapor-indicators"
]
license https://www.usa.gov/government-works
modified 2026-06-23
programCode 
[
  "026:000"
]
publisher 
{
  "name": "NASA/LARC/SD/ASDC",
  "@type": "org:Organization"
}
spatial 
"["CARTESIAN", [{"WestBoundingCoordinate": -180, "NorthBoundingCoordinate": 90, "EastBoundingCoordinate": 180, "SouthBoundingCoordinate": -90}]]"
temporal 2000-03-03/2025-02-01
theme 
[
  "Earth Science"
]
title MOPITT CO gridded monthly means (Thermal Infrared Radiances) V009

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