Hyperspectral remote sensing for detecting the effects of three hydrocarbon gases on maize reflectance

Natural gas in the soil is known to affect vegetation reflectance. Remote sensing can be a tool for monitoring vegetation along pipelines, providing information on possible leaks. In this study we tried to understand how natural gas, methane and ethane affect the development of maize and its reflectance by applying continuum removal of the red absorption pit. Natural gas and methane in small concentrations did not affect plant development and reflectance. Ethane caused a decrease in plant height and an increase in reflectance between 575 and 600 nm. The reflectance of maize growing in large concentrations of natural gas showed a red edge shift towards shorter wavelengths. The combination of plant development and reflectance characteristics will be a key to find gas leaks in pipelines.

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