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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:
2021-10-30
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
No WIGOS subcomponents have been defined.
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