Abstract
Calculation of Gross Primary Production that utilize remote sensing data is can be done on commercial remote sensing software by manual method. The commercial remote sensing software does not provides a specific feature that allow the user to do the Gross Primary Production calculation. This research is aimed to to build a remote sensing software that can be specifically used to do the Gross Primary Production calculation for Denpasar area. This software accepts remote sensing data as an input, such as satellite image from Landsat 8 OLI and TIRS and metadata file. The formulas and supporting data that required on the Gross Primary Production calculation are implemented on software in order to make an automatic image processing software. There also some additional feature on this software such as automatic data parsing from metadata file, cropping, masking and zoom that could help user to do the Gross Primary Production calculation. The developed software is able to produce information such as Gross Primary Production value that depicted by a figure with color segmentation, area of the segments and mean, minimum and maximum value of the Gross Primary Production.
Highlights
Calculation of Gross Primary Production that utilize remote sensing data is can be done on commercial remote sensing software by manual method
supporting data that required on the Gross Primary Production calculation are implemented on software
such as automatic data parsing from metadata file
Summary
Perubahan iklim dan pemanasan global merupakan masalah yang sangat serius di mata dunia. Penghitungan karbon pada atmosfir sangat diperlukan untuk dapat digunakan dalam pengambilan langkah yang tepat untuk mengatasi masalah tersebut. Penghitungan Gross Primary Production dengan bantuan citra satelit dapat dilakukan dengan software penginderaan jauh komersil. Software penginderaan jauh komersil tidak menyediakan fungsi khusus untuk memungkinkan pengguna dapat melakukan penghitungan Gross Primary Production. Pengguna harus menyusun rumus penghitungan Gross Primary Production secara manual ke dalam software penginderaan jauh tersebut. Aplikasi yang dibuat dalam penelitian ini adalah aplikasi penginderaan jauh yang dirancang khusus untuk menghitung Gross Primary Production di daerah Denpasar. Rumus-rumus yang diperlukan seperti koreksi reflektan citra satelit, penghitungan NDVI, thresholding NDVI, penghitungan fraction Absorbed Photosynthetically Active Radiation (fAPAR), Photosynthetically Active Radiation (PAR) dan Gross Primary Production perlu dituangkan ke dalam aplikasi khusus agar dapat melakukan penghitungan secara otomatis, dengan data Incoming Solar Radiation (ISR) sebagai data pendukung. Aplikasi yang dirancang juga dilengkapi dengan fitur cropping dan masking untuk dapat mengolah citra satelit yang belum diolah sama sekali
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