Geo Media: Majalah Ilmiah dan Informasi Kegeografian
Vol. 21 No. 1 (2023): Geo Media: Majalah Ilmiah dan Informasi Kegeografian

Pemanfaatan Foto Udara Multispektral Untuk Sidik Cepat Kerapatan Tutupan Vegetasi Di Wilayah Perkotaan

Rahmadana, Aries Dwi Wahyu (Unknown)



Article Info

Publish Date
02 Jun 2023

Abstract

Current technology enables NDVI analysis of multispectral aerial photographs, providing fast, detailed actual vegetation cover information. However, no study shows the best threshold value for mapping vegetation cover in urban areas. This study aims 1) to compare the area of vegetation cover on a semi-detailed and detailed scale, and 2) to determine the best NDVI threshold for mapping vegetation cover in urban areas. This study uses multispectral aerial photographs and Sentinel-2 satellite imagery (positioned as the baseline). Aerial imagery and photographs are processed for visible, red, and NIR bands. Band image processing and aerial photographs were used for NDVI analysis. The results show that the best threshold is at NDVI 0.2. The results of the identification of vegetation cover with Sentinel-2 imagery showed an area of 6.37 hectares or 28,2%, while the aerial photos resulted in an area of 11.4 hectares or 50,5%. The difference in area between the two spatial data is due to differences in the resolution of Sentinel-2 imagery with aerial photographs, 4 cm, and 10 m.

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Journal Info

Abbrev

geomedia

Publisher

Subject

Earth & Planetary Sciences

Description

Geomedia is a geography science journal published by the Department of Geography Education, Faculty of Social Sciences, Yogyakarta State University. This journal has been published since 2002 and was introduced for online version in 2016. Geomedia is a biannually published journal, May and ...