Correcting the MSU middle tropospheric temperature for diurnal drifts

Mears, Carl A., Schabel, Matthias C., Wentz, Frank J., Santer, Benjamin D. and Govindasamy, Bala (2002) Correcting the MSU middle tropospheric temperature for diurnal drifts. In: 2002 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2002), 2002-06-24 - 2002-06-28.

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Abstract

Channel 2 of the 9 Microwave Sounding Units (MSUs) flown on NOAA polar orbiting platforms provides a 23-year time series of middle-tropospheric temperature. These measurements may be of sufficient quality for climate studies if intersatellite calibration offsets and drifts can be accurately characterized and removed. One of the most important and difficult to characterize sources of long-term drift in the data is due to the evolution of the local observing time due to slow changes in the orbital parameters of each NOAA platform, which can alias diurnal temperature changes into the long-term time series. To account for this effect, we have constructed monthly diurnal climatologies of MSU Channel 2 brightness temperature using the hourly output of a general circulation model as input for a microwave radiative transfer model. We report the results of this calculation, and validate the result by comparing with MSU observations.

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: computer science applications,earth and planetary sciences(all) ,/dk/atira/pure/subjectarea/asjc/1700/1706
Faculty \ School: Faculty of Science > School of Environmental Sciences
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Depositing User: LivePure Connector
Date Deposited: 20 Mar 2026 15:30
Last Modified: 20 Mar 2026 15:30
URI: https://ueaeprints.uea.ac.uk/id/eprint/102513
DOI:

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