Accurate top-of-the-atmosphere albedo determination from multiple views of the MISR instrument

Christoph C. Borel; Siegfried A. W. Gerstl; Carmen Tornow

doi:10.1117/12.243219

17 June 1996 Accurate top-of-the-atmosphere albedo determination from multiple views of the MISR instrument

Christoph C. Borel, Siegfried A. W. Gerstl, Carmen Tornow

Proceedings Volume 2758, Algorithms for Multispectral and Hyperspectral Imagery II; (1996) https://doi.org/10.1117/12.243219
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

Changes in the Earth's surface albedo impact the atmospheric and global energy budget and contribute to global climate change. It is now recognized that multi-spectral and multi- angular views of the Earth's top of the atmosphere (TOA) albedo are necessary to provide information on albedo changes. In this paper we describe four semi-empirical bidirectional reflectance factor (BRF) models which are inverted for two and three unknowns. The retrieved BRF parameters are then used to compute the TOA spectral albedo for clear sky conditions. Using this approach we find that the albedo can be computed with better than 1% error in the visible and 1.5% in the near infrared (NIR) for most surface types.

Citation Download Citation

Christoph C. Borel, Siegfried A. W. Gerstl, and Carmen Tornow "Accurate top-of-the-atmosphere albedo determination from multiple views of the MISR instrument", Proc. SPIE 2758, Algorithms for Multispectral and Hyperspectral Imagery II, (17 June 1996); https://doi.org/10.1117/12.243219

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