KOMPARASI NILAI INDEKS FAKTOR PANJANG DAN KEMIRINGAN LERENG PADA BEBERAPA DATA DIGITAL ELEVATION MODEL RESOLUSI MENENGAH

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Diterbitkan April 30, 2024
https://doi.org/10.70124/at.v17i1.1284
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Jurnal Agritechno Vol. 17, Nomor 1, April 2024

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Arif Faisol
Universitas Papua
Mashudi Mashudi
Universitas Papua
Samsul Bachri
Universitas Papua

Abstrak

Faktor panjang dan kemiringan lereng (LS) merupakan parameter utama pada sejumlah model prediksi erosi. Sejumlah peneliti didunia telah mengembangkan algoritma untuk menganalisis LS berdasarkan data Digital Elevation Model (DEM). Penelitian ini bertujuan untuk membandingkan nilai LS pada 2 (dua) Daerah Aliran Sungai (DAS) di Kabupaten Manokwari Provinsi Papua Barat berdasarkan analisis beberapa data DEM resolusi menengah, yaitu DEM Space Shuttle Radar Topography Mission (SRTM), ASTER Global DEM, Jaxa’s Global ALOS 3D World, dan Copernicus DEM. Nilai LS dihitung menggunakan metode Desmet – Govers. Hasil penelitian menunjukkan LS yang dianalisis menggunakan DEM Copernicus memberikan nilai yang lebih tinggi dibandingkan LS yang dihasilkan dari DEM SRTM, ASTER Global DEM, dan Jaxa’s Global ALOS 3D World, sedangkan LS yang dihasilkan dari data ASTER Global DEM memberikan nilai lebih rendah. Berdasarkan uji F dan uji korelasi pearson, LS hasil analisis metode Desmet – Govers dan DEM SRTM, ASTER Global DEM, Jaxa’s Global ALOS 3D World, dan Copernicus DEM  memiliki perbedaan yang signifikan dengan tingkat korelasi lemah hingga sedang

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Cara Mengutip
KOMPARASI NILAI INDEKS FAKTOR PANJANG DAN KEMIRINGAN LERENG PADA BEBERAPA DATA DIGITAL ELEVATION MODEL RESOLUSI MENENGAH. (2024). Jurnal Agritechno, 17(1), 18-27. https://doi.org/10.70124/at.v17i1.1284

Cara Mengutip

KOMPARASI NILAI INDEKS FAKTOR PANJANG DAN KEMIRINGAN LERENG PADA BEBERAPA DATA DIGITAL ELEVATION MODEL RESOLUSI MENENGAH. (2024). Jurnal Agritechno, 17(1), 18-27. https://doi.org/10.70124/at.v17i1.1284

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