Health condition assessment for vegetation exposed to heavy metal pollution through airborne hyperspectral data

Environmental Monitoring and Assessment
Bikram Pratap BanerjeePatrick Joseph Cullen

Abstract

Recent advancements in hyperspectral remote sensing technology now provide improved diagnostic capabilities to assess vegetation health conditions. This paper uses a set of 13 vegetation health indices related to chlorophyll, xanthophyll, blue/green/red ratio and structure from airborne hyperspectral reflectance data collected around a derelict mining area in Yerranderie, New South Wales, Australia. The studied area has ten historic mine shafts with a legacy of heavy metals and acidic contamination in a pristine ecosystem now recognised as Great Blue Mountain World Heritage Area. The forest is predominantly comprised of different species of Eucalyptus trees. In addition to the airborne survey, ground-based spectra of the tree leaves were collected along the two accessible heavy metal contaminated pathways. The stream networks in the area were classified and the geospatial patterns of vegetation health were analysed along the Tonalli River, a major water tributary flowing through the National Park. Despite the inflow of contaminated water from the near-mine streams, the measured vegetation health indices along Tonalli River were found to remain unchanged. The responses of the vegetation health indices between the near-mine and a...Continue Reading

References

Jan 21, 2015·Bulletin of Environmental Contamination and Toxicology·Konstantinos KostarelosDimitris Dermatas

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Citations

Dec 5, 2019·International Journal of Environmental Research and Public Health·Chuanyu WuLingyue Wang

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