Water vapor retrieval over many surface types

Christoph C. Borel; William B. Clodius; Jennifer Johnson

doi:10.1117/12.243217

17 June 1996 Water vapor retrieval over many surface types

Christoph C. Borel, William B. Clodius, Jennifer Johnson

Proceedings Volume 2758, Algorithms for Multispectral and Hyperspectral Imagery II; (1996) https://doi.org/10.1117/12.243217
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

In this paper we present a study of the water vapor retrieval for many natural surface types which could be valuable for multi-spectral instruments using the existing continuum interpolated band ratio (CIBR) for the 940 nm water vapor absorption feature. An atmospheric code (6S) and 562 spectra were used to compute the top of the atmosphere radiance near the 940 nm water vapor absorption feature in steps of 2.5 nm as a function of precipitable water (PW). We derive a novel technique called 'atmospheric pre-corrected differential absorption' (APDA) and show that APDA performs better than the CIBR over many surface types.

Citation Download Citation

Christoph C. Borel, William B. Clodius, and Jennifer Johnson "Water vapor retrieval over many surface types", Proc. SPIE 2758, Algorithms for Multispectral and Hyperspectral Imagery II, (17 June 1996); https://doi.org/10.1117/12.243217

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