KERAPATAN TITIK PADA HASIL PENGUKURAN AIRBORNE LIDAR BATHYMETRY DI SALURAN IRIGASI, KEBUMEN, JAWA TENGAH

Yoanna Anita Christy; Istarno Istarno

doi:10.14710/elipsoida.2019.4890

DOI: https://doi.org/10.14710/elipsoida.2019.4890

KERAPATAN TITIK PADA HASIL PENGUKURAN AIRBORNE LIDAR BATHYMETRY DI SALURAN IRIGASI, KEBUMEN, JAWA TENGAH

Yoanna Anita Christy , Istarno Istarno

Universitas Gadjah Mada, Indonesia

Received: 17 May 2019; Published: 2 Jan 2020.

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Abstract

Pemerintah telah mencanangkan rencana pembangunan infrastruktur pertanian yaitu rencana peningkatan dan pembangunan jaringan irigasi serta rehabilitasinya yang ditargetkan selesai pada tahun 2019. Pada tahun 2018, pemerintah melalui Integrated Participatory Development and Management of Irrigation Program (IPDMIP) telah melakukan pilot project untuk keperluan pengelolaan aset dan kinerja sistem irigasi. Kegiatan pilot project dilakukan di jaringan irigasi di Kabupaten Kebumen menggunakan metode Airborne Lidar Bathymetry (ALB). Pengukuran ALB ini merupakan pengukuran yang pertama kali di Indonesia sehingga perlu diketahui kemampuannya dalam pemetaan jaringan irigasi. Salah satu indikator kemampuan ALB adalah kerapatan titik hasil pengukuran. Penelitian ini bertujuan untuk mengkaji kerapatan titik pada berbagai jenis saluran irigasi. Hasil kerapatan titik yang paling tinggi dengan sensor NIR dan hijau adalah pada saluran primer. Hal tersebut dapat dikarenakan dimensi saluran irigasi primer paling besar dibandingkan kedua jenis saluran lainnya. Hasil kerapatan titik dengan sensor hijau menunjukkan urutan kerapatan titik dari tinggi ke rendah yaitu saluran primer, tersier, dan sekunder. Hal tersebut dikarenakan pada saluran sekunder terdapat titik-titik bukan dasar perairan yang mempengaruhi daya tembus sinar hijau.

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Funding: Program Magister Teknik Geomatika Universitas Gadjah Mada, Direktorat Operasi dan Pemeliharaan Direktorat Sumber Daya Air Kementerian PUPR, Asian Development Bank, PT. Map Tiga Internasional, PT. Leic

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Language : EN

In Vol 2, No 02 (2019): Volume 02 Issue 02 Year 2019

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