Possibility of optimized indices for the assessment of heavy metal contents in soil around an open pit coal mine area.

International Journal of Applied Earth Observation and Geoinformation(2018)

Cited 42|Views7
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Abstract
•Optimized Indices are a sensitive indicator for monitoring soil heavy metals.•NPDI1417 nm, 1246 nm showed good applicability for estimating soil arsenic.•The combination of (R1417+ R1246) × R1246 improved the estimation accuracy.
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Key words
Heavy metal,Optimized spectral indices,GWR model,Coal mine field,Hyperspectral
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