publication . Other literature type . Article . 2004

Use of hyperspectral derivative ratios in the red-edge region to identify plant stress responses to gas leaks

K.L. Smith; M.D. Steven; J.J. Colls;
  • Published: 01 Aug 2004
  • Publisher: Elsevier BV
Abstract
Hyperspectral features in the red-edge region were tested as an index of plant stress responses to soil–oxygen depletion. The aim was to provide the basis for a warning system to identify natural gas leakage by the spectral responses of plants growing in the affected soil. Elevated concentrations of natural gas in the soil atmosphere were used to deplete oxygen concentrations around the roots of grass, wheat (Hordeum vulgare cv Claire) and bean (Vicia faba cv Clipper) growing in a field facility. Visible symptoms due to the natural gas included reduced growth of the plants and chlorosis of the leaves. Spectral responses included increased reflectance in the visi...
Subjects
Medical Subject Headings: food and beverages
free text keywords: Computers in Earth Sciences, Soil Science, Geology, Hydrology, Chlorosis, Horticulture, Hordeum vulgare, Methane, chemistry.chemical_compound, chemistry, Red edge, Visible spectrum, Natural gas, business.industry, business, Botany, Poaceae, Soil water
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publication . Other literature type . Article . 2004

Use of hyperspectral derivative ratios in the red-edge region to identify plant stress responses to gas leaks

K.L. Smith; M.D. Steven; J.J. Colls;