Sensitivity of broadband and spectral measurements of outgoing radiance to changes in water vapor content

Rolando Rizzi; Carmine Serio; Roberta Amorati

doi:10.1117/12.454250

30 January 2002 Sensitivity of broadband and spectral measurements of outgoing radiance to changes in water vapor content

Rolando Rizzi, Carmine Serio, Roberta Amorati

Author Affiliations +

Proceedings Volume 4485, Optical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV; (2002) https://doi.org/10.1117/12.454250
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Broad band radiance measurements at top of the atmosphere are simulated using two diverse line-by-line codes for a number of standard atmospheric conditions to evaluate the sensitivity of broad band spectral and spectrally integrated radiometry to realistic changes of water vapor content in the troposphere and of other parameters of climatic significance. . It is shown that the rotational band is very sensitive to realistic changes in upper tropospheric water vapor. Moreover our ability to retrieve middle and upper troposphere H₂O is enhanced if spectral measurements in the water vapor rotational band are compared to measurements in the strong 6.3 micrometers vibrational band, which has been used exclusively since the early 1970's.

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Rolando Rizzi, Carmine Serio, and Roberta Amorati "Sensitivity of broadband and spectral measurements of outgoing radiance to changes in water vapor content", Proc. SPIE 4485, Optical Spectroscopic Techniques, Remote Sensing, and Instrumentation for Atmospheric and Space Research IV, (30 January 2002); https://doi.org/10.1117/12.454250

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