Hotspot Analysis in 2015 and 2019 at Ogan Komering Ilir District South Sumatera Province

Abstract

Ogan Komering Ilir (OKI) is one of the districts in South Sumatra Province that experience severe forest and land fires with the highest hotspots number during the period of 2015-2019. The objective of this study was to analyze the distribution of hotspots and their relationship with rainfall in 2015 and 2019 in the OKI district. The data sources used in this study included hotspot data derived from MODIS Terra/Aqua satellite imagery and rainfall data from BMKG. The results of this study indicate that the number of hotspots in the OKI District was 17,532 in 2015 and 4,583 in 2019. The distribution of hotspots from 2015 and 2019 was mostly found on peatlands. The highest number of hotspots in 2015 was in Tulung Selapan Sub-district and in 2019 it was in Cengal Sub-district 2019. The relationship between rainfall and hotspots number in 2015 and 2019 is not significant. The lowest rainfall in 2015 occurred in September with 0 mm/month and in 2019 the lowest rainfall occurred in August with 0,5 mm/month. Rainfall and hotspots number has an inverse correlation.