Abstract
Transformation of land-use cause forest area decrease that will affect microclimate (weather tends heat), thus hotspot may possible to scattered in that area and raise the transformation of surface temperature. The objective of this research is to determine the indication of surface temperature in the East Kutai District. The advantage of this research is to give information about hotspot area distribution based on land use and relate between hotspots with surface temperature increase so it is supposed to be one of the consider to transform land use in East Kutai District. This research was held from April until May 2019 at the Laboratory of Carthography and Geographic Information System, Faculty of Agriculture, Mulawarman University. This research using calculation of Land Surface Temperature (LST) value to determine the transformation of surface temperature in East Kutai District by data analysis from Landsat-8 OLI/TIRS satellite. Hotspot area distribution adapted to map of land-use so we found the source of the hotspot. The result of the research shows there are about 6 hotspots in land-use of plantation in 2017 and the increase of the surface temperature is not static cause by depending of rainfall in East Kutai District. Increasing of surface temperature in East Kutai District in October 2013 become 22.35 oC (for minimum temperature), whereas in May 2017 become 37.24 oC (for maximum temperature).
Highlights
Transformation of land-use cause forest area decrease that will affect microclimate, hotspot may possible to scattered in that area and raise the transformation of surface temperature
Hotspot area distribution adapted to map of land-use so we found the source of hotspot
Terjadi peningkatan suhu permukaan pada bulan Oktober tahun 2013 menjadi sebesar 22.35 oC (untuk suhu minimum), sedangkan pada bulan Mei tahun 2017 sebesar 37.24 oC (untuk suhu maksimum)
Summary
Transformation of land-use cause forest area decrease that will affect microclimate (weather tends heat), hotspot may possible to scattered in that area and raise the transformation of surface temperature. Tujuan penelitian adalah untuk mengetahui sebaran titik panas di Kabupaten Kutai Timur berdasarkan penggunaan lahan, mengetahui distribusi dan peningkatan suhu persebaran di Kabupaten Kutai Timur dengan analisis menggunakan Citra Landsat8 OLI/TIRS serta menganalisis data dari Citra Landsat-8 OLI/TIRS untuk memperoleh nilai suhu permukaan di Kabupaten Kutai Timur. Bahan dan alat Bahan penelitian : Peta Administrasi, Peta Penggunaan Lahan, Data Titik Panas dari Satelit NOAA-18 dan Citra Landsat 8 OLI/TRS path/row: 115/59, 116/59, 116/60, 117/59, 117/60 pada bulan Mei, Juni, Oktober tahun 2013 dan bulan Maret, Mei, Juni tahun 2017. Distribusi Suhu Permukaan Perhitungan LST pada bulan Mei, Juni dan Oktober 2013.
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