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ANALISIS HUBUNGAN KONSTANTA ATENUASI DENGAN KONSTITUEN AIR PADA PERAIRAN PELABUHAN KARIMUNJAWA

MUHAMMAD ULIN NUHA  -  UNIVERSITAS GADJAH MADA, Indonesia
*ABDUL BASITH  -  UNIVERSITAS GADJAH MADA, Indonesia
WIKANTI ASRININGRUM  -  Pusat Pemanfaatan Penginderaan Jauh, LAPAN, Indonesia
GATHOT WINARSO  -  Pusat Pemanfaatan Penginderaan Jauh, LAPAN, Indonesia
KUNCORO TEGUH KURNIAWAN  -  Pusat Pemanfaatan Penginderaan Jauh, LAPAN, Indonesia

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Abstract
Satellite-derived bathymetry (SDB) is one of the techniques in remote sensing for extraction of ocean depth by utilizing optical imagery. Spectral data from the water column is needed for SDB process. One of SDB method is an analytical method requiring field spectral data, water attenuation, and water constituents for depth estimation processes. Spectral data and attenuation were acquired by TriOS Ramses spectrometer. Water constituents are taken from filtered water samples to be tested at the laboratory. The water constituents tested were chlorophyll, CDOM, TSS, and TOM. The depth value of bathymetry extraction is strongly influenced by light penetration behavior. This is influenced by the condition of water constituents. Water constituents affect the attenuation of water. The study gives results from 4 stations of attenuation measurement having a positive correlation with chlorophyll constituents. Chlorophyll has a positive correlation with other constituents (TOM, CDOM, and TSS). From the value of water attenuation, the water classification around Karimunjawa Port are clear water of type III and 1 which have a value of (PAR) is 0.111 m-1.
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Funding: Gathot Winarso ; Kuncoro Teguh Kurniawan, PUSFATJA LAPAN
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