A comparison of lower stratosphere temperature from microwave measurements with CHAMP GPS RO data

Shu P. Ho; Ying Hwa Kuo; Zhen Zeng; Thomas C. Peterson

doi:10.1029/2007GL030202

A comparison of lower stratosphere temperature from microwave measurements with CHAMP GPS RO data

Shu P. Ho, Ying Hwa Kuo, Zhen Zeng, Thomas C. Peterson

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39 Scopus citations

Abstract

In this study, we compare the microwave brightness temperature (Tb) for the Lower Stratosphere (TLS) datasets provided by Remote Sensing Systems (RSS) Inc. and University of Alabama in Huntsville (UAH) with the GPS radio occultation (RO) data from Challenging Minisatellite Payload (CHAMP) over 49 months from June 2001 to June 2005. The GPS RO data are used to simulate microwave brightness temperatures, for comparison with Microwave Sounding Unit (Channel 4) and Advanced Microwave Sounding Unit (Channel 9) measurements. Excellent agreement was found between both RSS and UAH TLS and that of CHAMP. This study demonstrates the usefulness of GPS RO observations as independent data for comparison against and use with other satellite observations in climate studies.

Original language	English
Article number	L15701
Journal	Geophysical Research Letters
Volume	34
Issue number	15
DOIs	https://doi.org/10.1029/2007GL030202
State	Published - Aug 16 2007

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10.1029/2007GL030202

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title = "A comparison of lower stratosphere temperature from microwave measurements with CHAMP GPS RO data",

abstract = "In this study, we compare the microwave brightness temperature (Tb) for the Lower Stratosphere (TLS) datasets provided by Remote Sensing Systems (RSS) Inc. and University of Alabama in Huntsville (UAH) with the GPS radio occultation (RO) data from Challenging Minisatellite Payload (CHAMP) over 49 months from June 2001 to June 2005. The GPS RO data are used to simulate microwave brightness temperatures, for comparison with Microwave Sounding Unit (Channel 4) and Advanced Microwave Sounding Unit (Channel 9) measurements. Excellent agreement was found between both RSS and UAH TLS and that of CHAMP. This study demonstrates the usefulness of GPS RO observations as independent data for comparison against and use with other satellite observations in climate studies.",

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AU - Ho, Shu P.

AU - Kuo, Ying Hwa

AU - Zeng, Zhen

AU - Peterson, Thomas C.

PY - 2007/8/16

Y1 - 2007/8/16

N2 - In this study, we compare the microwave brightness temperature (Tb) for the Lower Stratosphere (TLS) datasets provided by Remote Sensing Systems (RSS) Inc. and University of Alabama in Huntsville (UAH) with the GPS radio occultation (RO) data from Challenging Minisatellite Payload (CHAMP) over 49 months from June 2001 to June 2005. The GPS RO data are used to simulate microwave brightness temperatures, for comparison with Microwave Sounding Unit (Channel 4) and Advanced Microwave Sounding Unit (Channel 9) measurements. Excellent agreement was found between both RSS and UAH TLS and that of CHAMP. This study demonstrates the usefulness of GPS RO observations as independent data for comparison against and use with other satellite observations in climate studies.

AB - In this study, we compare the microwave brightness temperature (Tb) for the Lower Stratosphere (TLS) datasets provided by Remote Sensing Systems (RSS) Inc. and University of Alabama in Huntsville (UAH) with the GPS radio occultation (RO) data from Challenging Minisatellite Payload (CHAMP) over 49 months from June 2001 to June 2005. The GPS RO data are used to simulate microwave brightness temperatures, for comparison with Microwave Sounding Unit (Channel 4) and Advanced Microwave Sounding Unit (Channel 9) measurements. Excellent agreement was found between both RSS and UAH TLS and that of CHAMP. This study demonstrates the usefulness of GPS RO observations as independent data for comparison against and use with other satellite observations in climate studies.

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VL - 34

JO - Geophysical Research Letters

JF - Geophysical Research Letters

IS - 15

M1 - L15701

ER -

A comparison of lower stratosphere temperature from microwave measurements with CHAMP GPS RO data

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