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Description

The Microwave Sounding Unit (MSU) Lower Troposphere Deep Layer Temperature product (MSULTT) provides gridded lower tropospheric temperatures derived from MSU instruments on several different platforms. The temperatures are derived using a combination of MSU
channels 2 and 3 which has an averaging kernel that peaks near 500 hecto Pascals. The algorithm is based on Spencer and Christy (1990) with the LIMB 93 limb
correction based on latitude, longitude, month, and scan angle. The MSU instruments measure the thermal emission of radiation by molecular oxygen at four frequencies near 60 GHz. North (south) of 66.7N (S) the footprint data are assigned to grid boxes in a
weighted method depending on footprint latitude. Horizontal averaging is used

Product Summary

Platforms
TIROS-N ,
NOAA-12 ,
NOAA-11 ,
NOAA-10 ,
NOAA-9 ,
NOAA-7 ,
NOAA-6
Instruments
MSU
Spatial Extent

N: 89 S: -89 E: 180 W: -180

Geographic Region
GLOBAL ,
TROPOSPHERE
Coordinate System
CARTESIAN
Granule Spatial Representation
CARTESIAN
Temporal Extent
1979-01-01 to 1994-12-31
Data Partner
Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Terrestrial Information Systems Laboratory, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA (NASA/GSFC/SED/ESD/TISL/GESDI
Concept ID
C1261530310-GES_DISC
Data State
COMPLETE
Number of Files/Granules
16
Processing Level
3
Published
Updated
Science Keywords
Air Temperature ,
Temperature Anomalies ,
Brightness Temperature

Data Center Citation

Spencer R., Christy J.R.. 1996. MSU Ch 2/3 Daily Lower Troposphere Temps with Limb93 CorrectionL2 1 day 2.5 degree x 2.5 degree V001. Greenbelt, MD, USA: Goddard Earth Sciences Data and Information Services Center (GES DISC). https://disc.gsfc.nasa.gov/datacollection/MSULTT_001.html.

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