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Proceedings Paper

Estimating the relative water content of leaves in a cotton canopy
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Paper Abstract

Remotely sensing plant canopy water status remains a long term goal of remote sensing research. Established approaches to estimating canopy water status — the Crop Water Stress Index, the Water Deficit Index and the Equivalent Water Thickness — involve measurements in the thermal or reflective infrared. Here we report plant water status estimates based upon analysis of polarized visible imagery of a cotton canopy measured by ground Multi-Spectral Polarization Imager (MSPI). Such estimators potentially provide access to the plant hydrological photochemistry that manifests scattering and absorption effects in the visible spectral region.

Paper Details

Date Published: 30 August 2017
PDF: 10 pages
Proc. SPIE 10407, Polarization Science and Remote Sensing VIII, 104070Z (30 August 2017); doi: 10.1117/12.2274502
Show Author Affiliations
Vern Vanderbilt, NASA Ames Research Ctr. (United States)
Craig Daughtry, ARS - U.S. Dept. of Agriculture (United States)
Meredith Kupinski, College of Optical Sciences, The Univ. of Arizona (United States)
Christine Bradley, College of Optical Sciences, The Univ. of Arizona (United States)
Andrew French, U.S. Arid-Land Agriculture Research Ctr. (United States)
Kevin Bronson, U.S. Arid-Land Agriculture Research Ctr. (United States)
Russell Chipman, College of Optical Sciences, The Univ. of Arizona (United States)
Robert Dahlgren, CSUMB/NASA Ames Research Ctr. (United States)


Published in SPIE Proceedings Vol. 10407:
Polarization Science and Remote Sensing VIII
Joseph A. Shaw; Frans Snik, Editor(s)

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