Spectroscopic Determination of Aboveground Biomass in Grass using Hyperspectral Indices

Mayuri Laxman Padghan, Ratnadeep R. Deshmukh

Abstract


Aboveground biomass (AGB) is a biophysical variable in vegetation studies .Biomass is considered as fresh matter weight or dry matter weight. The main objective of this study is to explore the potential of narrow band vegetation indices and band depth analysis method in biomass estimation. We will calculate three vegetation indices in this study i.e. soil adjusted vegetation indices (SAVI), normalized difference vegetation indices (NDVI), normalized difference water indices (NDWI) from field spectrometer data. We will use ASD field spec 4 for field spectrometer data. We will also apply band depth analysis method on field spectrometer data using continuum removed indices. The second objective of this study compares the performance of narrow band vegetation indices and band depth analysis method in aboveground biomass estimation by calculating root mean square error.

Keywords


Biomass, narrow band vegetation indices, band depth analysis, absorption features, continuum removal.

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DOI: https://doi.org/10.26483/ijarcs.v8i5.3503

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