Analisis Hubungan Kawasan Perairan Darat Perkotaan terhadap Suhu Permukaan
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Abstract
Pemanasan global adalah fenomena yang telah merubah tatanan kehidupan manusia salah satunya adalah menurunkan kualitas lingkungan kota termasuk Kota Makassar dimana dampak yang paling dirasakan adalah penurunan kenyamanan kota. Tujuan penelitian ini adalah mengidentifikasi hubungan keberadaan badan air terhadap laju suhu permukaan di kawasan perkotaan. Metode penelitian untuk analisa kawasan perairan darat adalah dengan algoritma Modified Normalized Difference Water Index (MNDWI), sedangkan analisa suhu menggunakan algoritma Land Surface Temperature (LST). Hasil penelitian menunjukkan bahwa kawasan yang memiliki nilai kebasahan atau MNDWI tinggi sampai sedang atau nilai positif seperti badan air memiliki suhu permukaan yang lebih rendah yaitu 180C sampai 270C, sedangkan wilayah yang memiliki kebasahan rendah atau nilai negatif seperti lahan terbuka dan kawasan terbangun memiliki suhu permukaan yang lebih tinggi yaitu 230C sampai 370C. Hal ini mengindikasikan bahwa kawasan perairan darat mampu menekan laju suhu permukaan di areal perkotaan.
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