Kajian Transformasi Indeks Vegetasi Citra Satelit Sentinel-2A untuk Estimasi Produksi Daun Kayu Putih Menggunakan Linear Spectral Mixture Analysis

Lilik Norvi Purhartanto; Projo Danoedoro; Pramaditya Wicaksono

doi:10.22146/jntt.56618

Kajian Transformasi Indeks Vegetasi Citra Satelit Sentinel-2A untuk Estimasi Produksi Daun Kayu Putih Menggunakan Linear Spectral Mixture Analysis

https://doi.org/10.22146/jntt.56618

Lilik Norvi Purhartanto^(1*), Projo Danoedoro⁽²⁾, Pramaditya Wicaksono⁽³⁾

(1) Fakultas Geografi, Universitas Gadjah Mada
(2) Fakultas Geografi, Universitas Gadjah Mada
(3) Fakultas Geografi, Universitas Gadjah Mada
(*) Corresponding Author

Abstract

A forest plantation area of Melaleuca cajuputi at BDH Karangmojo, BKPH Yogyakarta are 2,325.20 ha. One of the efforts to keep its sustainability is to plan the target and realization of cajuputi leaf production considerwith forest condition. Advances in remote sensing technology can be an alternative in estimating the cajuputi leaf production on large areas with an efficient time and high accuracy and able to analyze the quality of cajuputi. This study aims to examine Sentinel-2A capabilities through a relationship model of some vegetation indices integrated with vegetative factors on the production to obtain estimates of leaf production, map and test the estimation model accuracy. The method used is to classify objects in pixels with Linear Spectral Mixture Analysis and build relationship between age, number of plants and vegetation index with cajuputi leaf production. The results showed that the unmixing method has 99,66% accuracy in classifying pixels into the fraction of cajuputi. MERIS Terrestrial Chlorophyll Index of unmixing cajuputi fraction simultaneously with age and number of plants has the highest correlation with value of r = 0,668 to the production and modeled in mapping the estimated cajuputi leaf production at the research location with Standard Error of Estimate is 0,183.

Keywords

Vegetation Index; Linear Spectral Mixture Analysis; Production Estimation; Melaleuca Cajuputi

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DOI: https://doi.org/10.22146/jntt.56618