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http://dx.doi.org/10.7780/kjrs.2021.37.3.20

Ocean Optical Properties of Equatorial Pacific Reef Habitat  

Moon, Jeong-Eon (Korean Ocean Satellite Center, Korea Institute of Ocean Science and Technology)
Choi, Jong-Kuk (Korean Ocean Satellite Center, Korea Institute of Ocean Science and Technology)
Publication Information
Korean Journal of Remote Sensing / v.37, no.3, 2021 , pp. 615-625 More about this Journal
Abstract
The coastal areas around Palau Island and Tonga Island, near the Pacific equator, consist of coral reefs, mangrove and seaweed. In particular, understanding the optical properties of sea surface water in coral reef habitats helps improve the accuracy of remote sensing based habitat mapping and identify tropical ecosystem characteristics. Here, we collected spectral characteristics of sea surface water of Palau Island and Tonga Island and analyzed the concentration of suspended matters, absorption coefficient, and remote sensing reflectance to understand the seawater characteristics of the coral reef habitats. Based on the results of the suspended matter concentration analysis, we developed and verified an empirical algorithm to derive the concentration from satellite data using remote sensing reflectance of three bands, 555, 625, 660 nm, showed a high determinant coefficient, 0.98. In conclusion, coral reef habitats in tropical regions are characterized by CASE-I water in terms of the marine optics with oligotrophic properties, and require monitoring using continuous collection and analysis of field data.
Keywords
Tropical waters; Coral reef habitat; Spectral characteristics; Remote sensing reflectance;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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