Analisa Perbandingan Kedalaman dan Penetrasi Sinar Hijau Airborne Hydrography AB (AHAB) untuk Pengukuran Perairan Dangkal (Studi Kasus: Kabupaten Kebumen)

Bramiasto Fakhruddin Eko Putranto, Danar Guruh Pratomo, Khomsin Khomsin
Submission Date: 2019-07-23 20:03:06
Accepted Date: 2019-11-18 00:00:00

Abstract


Berdasarkan UU Nomor 6 Tahun 1996 Perairan Indonesia meliputi laut teritorial Indonesia, perairan kepulauan, dan perairan pedalaman. Pemetaan menggunakan menggunakan gelombang akustik kurang meng-cover untuk perairan dangkal. Perairan Dangkal dapat diukur menggunakan gelombang elektromagnetik yaitu menggunakan Airborne LiDAR Bathymetry. Dalam penelitian ini dilakukan perbandingan pengukuran kedalaman perairan dangkal menggunakan metode mekanik dengan Airborne LiDAR Bathymetry. Selain kedalaman juga dilakukan validasi pengukuran kekeruhan air yang mempengaruhi penetrasi sinar hijau airborne hydrography dan melakukan uji akurasi vertikal airborne hydrography. Hasil menunjukkan bahwa perbandingan kedalaman memiliki selisih rata-rata 0,177 meter dengan nilai selisih minimal 0,037 meter dan nilai selisih maksimal 0,763 meter. Hasil pengukuran kedalaman menunjukkan bahwa terdapat selisih nilai Z permukaan dasar perairan antara validasi dan airborne hydrography yaitu selisih minimal 2 cm dan selisih maksimal 22 cm. Dari pengukuran kekeruhan menggunakan Secchi Disk penetrasi sinar hijau airborne hydrography hanya dapat menjangkau kedalaman 0,225 meter sampai dengan 0,960 meter. Uji akurasi vertikal airborne hydrography 11 lokasi memiliki nilai 0,239 meter.


Keywords


Perairan Dangkal; Airborne LiDAR Bathymetry; Perbandingan Kedalaman; Kekeruhan Air; Uji Akurasi Vertikal

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