Land Cover Types Differentiation through Normalized Difference Vegetation Index in the Lowland Rainforests of Papua New Guinea

David Lopez Cornelio

Abstract

The accurate estimation of above ground biomass in the natural forests of Papua New Guinea is a key component for the successful implementation of the REDD policy in the country. Biomass densities in a lowland rainforest site located at the northeast of the country were differentiated with Landsat digital images throughout normalized difference vegetation index (NDVI). Submaps of 4,377.69 ha of bands 3 and 4 were georeferenced with affine transformation and a RMSE of 0.529. The calculated NDVI map was sliced to separate its pixel values into 5 classes as they are distributed in the histogram with the assistance of ground truth points. The method is simple, fast and reliable, however swampy palm forest could not be discriminated from dense forests; and different bare land types had to be grouped into a single major class. Therefore other vegetation indexes and/or band ratios are recommended to be tested using images of higher spatial resolution to accurately differentiate more classes.

Authors

David Lopez Cornelio
davlzo26@gmail.com (Primary Contact)
Author Biography

David Lopez Cornelio

Department of Forestry, Papua New Guinea University of Technology, Lae-411, Morobe Province, Papua New Guinea
CornelioD. L. (1). Land Cover Types Differentiation through Normalized Difference Vegetation Index in the Lowland Rainforests of Papua New Guinea. Jurnal Manajemen Hutan Tropika, 17(3), 89-94. Retrieved from https://journal.ipb.ac.id/index.php/jmht/article/view/3981

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