Remote Sensing Plant Stress Using Combined Fluorescence and Reflectance Measurements for Early Detection of Defoliants within the Battlefield Environment
Abstract
Leaf fluorescence spectral characteristics were fused with reflectance hyperspectral data to remotely sense vegetation/terrain conditions. Field measurements were conducted at the Virginia Coast Reserve, NSF, long-term ecological research site and at Ft. A.P. Hill. Laboratory experiments and field measurements incorporated relevant battlefield contaminants and natural environmental stresses. Goals were to 1) link leaf fluorescence and reflectance patterns and plant physiological responses with different kinds and degrees of environmental stress, 2) predict the stress agent and degree of stress using leaf fluorescence and reflectance characteristics, 3) extend laboratory results to field situations to link field measurements of leaf fluorescence and reflectance to natural environmental stress, 4) use plant physiological measurements in conjunction with leaf fluorescence and reflectance data to sort and identify potential stress agents in the field, and 5) link landscape level hyperspectral measurements to spatial variations in leaf fluorescence and reflectance in order to map environmental quality. In year four, added objectives were 1) determine if exposure to trinitrotoluene (TNT) contaminated soils and associated changes in plant physiological parameters can be remotely sensed, 2) identify highly responsive species to serve as contamination indicators, and 3) link landscape level hyperspectral measurements to experimental results to remotely identify (TNT) contaminated soils.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 02, 2012
- Accession Number
- ADA571126
Entities
People
- Donald R Young .
Organizations
- Virginia Commonwealth University