30 August 2017 Estimating the relative water content of leaves in a cotton canopy
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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.
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Vern Vanderbilt, Vern Vanderbilt, Craig Daughtry, Craig Daughtry, Meredith Kupinski, Meredith Kupinski, Christine Bradley, Christine Bradley, Andrew French, Andrew French, Kevin Bronson, Kevin Bronson, Russell Chipman, Russell Chipman, Robert Dahlgren, Robert Dahlgren, } "Estimating the relative water content of leaves in a cotton canopy", Proc. SPIE 10407, Polarization Science and Remote Sensing VIII, 104070Z (30 August 2017); doi: 10.1117/12.2274502; https://doi.org/10.1117/12.2274502
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