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Instrument details
Acronym
MOPITT
Full name
Measurement Of Pollution In The Troposphere
Purpose
Atmospheric chemistry. Tracked species: CO (profile) and CH4 (total column)
Short description
Gas correlation spectrometer; 3 bands, 8 channels. For CO: 4.62 µm (four channels) and 2.33 µm (two channels); for CH4: 2.26 µm (two channels)
Background
New development
Scanning Technique
Cross-track, 29 steps for a total swath of 640 km
Resolution
22 km IFOV
Coverage / Cycle
Global coverage in 5 days, in daylight
Mass
182 kg
Power
243 W
Data Rate
25 kbps
Providing Agency
NASA
Instrument Maturity
Flown on an R&D satellite
Utilization Period:
2000-03-23 to ≥2023
Last update:
2021-06-16
Detailed characteristics
Satellites this instrument is flying on
Note: a red tag indicates satellites no longer operational, a
green tag indicates operational satellites, a blue tag indicates
future satellites
Instrument classification
Earth observation instrument Passive optical radiometer or spectrometer Cross-nadir infrared sounder, possibly including VIS channels
WIGOS Subcomponents
Subcomponent 1 IR hyperspectral sounders [in SSO]
Mission objectives
Tentative Evaluation of Measurements
The following list indicates which measurements can typically be
retrieved from this category of instrument. To see a full Gap Analysis by Variable,
click on the respective variable.
Note: table can be sorted by clicking on the column headers
Variable Relevance for measuring this variable Operational limitations Explanation
CH4 1 - primary Cloud sensitive. SWIR and MWIR very-high-resolution spectrometry. CH4 lines around 2.3, 3.4 and 4.3 micrometers
CO 1 - primary Cloud sensitive. Very-high resolution spectrometry. CO lines around 2.3 and 4.6 micrometers. Specifically designed for CO
Instrument: MOPITT