PEMANFAATAN CITRA SATELIT UNTUK IDENTIFIKASI PERKEMBANGAN KAWASAN TERBANGUN KOTA PADANG PANJANG TAHUN 2009 DAN 2019

Abstract

This research was conducted in the city of Padang Panjang which aims to determine the development of the area of ​​the built-up area in the City of Padang Panjang in 2009 and 2019, to determine the factors that influence the development of the built-in area and the direction of development in the area of ​​Padang Panjang City and to see the accuracy of Landsat 5 imagery. TM and Landsat 8 OLI / TIRS in identifying the built area of ​​Padang Panjang City. The method used in this research is descriptive with a quantitative approach and the data used are primary data and secondary data. The built area was obtained from Landsat 5 TM and Landsat 8 OLI imagery using the NDBI Alogarithm method. The results of the identification of land changes built from 2009 to 2019 show an additional area of ​​247.82 hectares and in 2019 an area of ​​305.08 hectares has increased to 57.26 hectares. Image accuracy test is performed using confusion matrix (comparison of image interpretation with field conditions) with an accuracy rate of 88.43%.