Derivation of temperature and humidity profiles from ground-based high-resolution infrared emission and transmission spectra

Pierre F. Fogal; Frank J. Murcray

doi:10.1117/12.373056

8 December 1999 Derivation of temperature and humidity profiles from ground-based high-resolution infrared emission and transmission spectra

Pierre F. Fogal, Frank J. Murcray

Author Affiliations +

Proceedings Volume 3867, Satellite Remote Sensing of Clouds and the Atmosphere IV; (1999) https://doi.org/10.1117/12.373056
Event: Remote Sensing, 1999, Florence, Italy

Abstract

Transmission spectra recorded using a Fourier Transform Spectrometer at the Atmospheric Radiation Measurements (ARM) Southern Great Plains (SGP) site are analyzed in order to derive atmospheric temperature profiles. The analysis is carried out using the Sequential Evaluation Algorithm for Simultaneous and Concurrent Retrieval of Atmospheric Parameter Estimates (SEASCRAPE) code, which uses a priori information to arrive at a statistically meaningful retrieval. Two different a priori profiles are used, the first is the SEASCRAPE retrieved temperature and water vapor profiles derived from ARM SGP emission spectra recorded near in time to the transmission spectra, the second is a sonde average temperature profile with a reasonable local water profile also used for the initial emission retrievals. We find that the best results are arrived at by using the emission retrieval as the a priori profiles as the initial starting point. Using the sonde a priori results in temperature and water vapor profiles that do not replicate the spectrum well.

Citation Download Citation

Pierre F. Fogal and Frank J. Murcray "Derivation of temperature and humidity profiles from ground-based high-resolution infrared emission and transmission spectra", Proc. SPIE 3867, Satellite Remote Sensing of Clouds and the Atmosphere IV, (8 December 1999); https://doi.org/10.1117/12.373056

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