HALAMAN JUDUL STUDI PULAU BAHANG (HEAT ISLAND) DI KOMPLEKS UNIVERSITAS GADJAH MADA

NOOR ARYA GEDE WICAKSANA, Prof. Dr. H.A. Sudibyakto, M.S

2013 | Skripsi | GEOGRAFI

Fenomena kenaikan suhu di kota-kota di Indonesia sebagian besar disebabkan oleh perubahan penutup lahan, kepadatan bangunan dan gas buang kendaraan bermotor. Penelitian ini bertujuan: 1) Mengkaji karakteristik pulau bahang (heat island), 2) Mengkaji sebaran pulau bahang (heat island) pada daerah penelitian. Metode survei pengukuran suhu dilakukan dengan cara purposive sampling sebanyak 30 sampel. Sampel dibagi menjadi 2 bagian, masing-masing sejumlah 15 sampel yang berbasis pada lahan terbangun dan lahan bervegetasi. Pengukuran suhu udara pada interval waktu pagi hari pukul 06.00 – 07.00 WIB, siang hari pukul 10.00 – 11.00 WIB, sore hari pukul 14.00 – 15.00 WIB dan malam hari pukul 19.00 – 20.00 WIB. Parameter penggunaan lahan bervegetasi dan lahan terbangun diperoleh dari interpretasi foto udara. Analisis peta isoterm didapatkan dari klasifikasi hasil pengukuran suhu di lapangan dan overlay dengan peta penutup lahan. Hasil penelitian menunjukkan bahwa terjadi pola perbedaan suhu antara lahan terbangun dengan lahan bervegetasi di kompleks Universitas Gadjah Mada. Kenaikan suhu terjadi di lahan terbangun Perempatan Terban, Fakultas Pertanian UGM, Perumahan Sekip, Fakultas Kedokteran UGM, Jalan Kesehatan sisi Timur RS Sardjito dan Fakultas Teknik UGM. Suhu tertinggi mencapai 36,30C pada pukul 10.00 – 11.00 WIB di Perempatan Terban. Sebaliknya pada suhu rendah dijumpai di lahan bervegetasi utara BPFE UGM, vegetasi timur Fakultas Filsafat UGM, vegetasi utara Fakultas Peternakan UGM, dan Perumahan Bulaksumur. Suhu terendah sebesar 25,95C pada pukul 06.00 – 07.00 WIB di lahan bervegetasi utara Fakultas Peternakan UGM.

The phenomena of increasing temperature in many cities in Indonesia is mainly caused by land cover change, high building density and motor vehicle emissions. The objectives of this research are: 1. to study the heat island characteristic, 2. to study the distribution of heat island. Method of temperature measurement survey conducted by purposive sampling as many as 30 samples. Sample was divided into 2 sections, each 15 sample number based on built-up area and vegetation cover. Air temperature measurements at intervals morning at 06:00 to 7:00 pm, during the day at 10:00 to 11:00 pm, the afternoon from 14:00 to 15:00 pm and the evening at 19:00 to 20:00 pm. Land cover and built-up area were generated from aerial photo interpretation. The analysis of isotherm wass conducted by classified the result of field measurement, overlayed with land cover map. The results were analyzed descriptively using tables and maps. The results of this research shows that there are difference in temperature between the built-up area and vegetation cover at the University of Gadjah Mada. Increasing temperature occurs at the intersection of Terban, Faculty of Agriculture, Sekip Housing Area, Faculty of Medicine, Kesehatan street at east side of Sardjito Hospital and the Faculty of Engineering. The highest temperature reached 36.30ï‚°C at 10:00 to 11:00 pm at the intersection of Terban. In contrast to the low temperatures found in northern BPFE UGM vegetated area, east side of Faculty of Philosophy, north side of Faculty of Animal Husbandry, and Bulaksumur Housing Area. The lowest temperature reached 25.95ï‚°C at 6:00 a.m. to 7:00 pm in the north side of Faculty of Animal Husbandry.

Kata Kunci : Pulau Bahang, Penutup Lahan, Foto Udara, Kampus UGM