- Above water remote sensing reflectance dataset on the coastal waters of California and Korea
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Jee-Eun Min, Jeong-Eon Moon, Jong-Kuk Choi, Liane Guild, Joo-Hyung Ryu
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GEO DATA. 2020;2(2):5-13. Published online December 30, 2020
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DOI: https://doi.org/10.22761/DJ2020.2.2.002
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 Abstract
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- Remote sensing reflectance (Rrs) is a fundamental data of ocean color remote sensing that is used as an input data for algorithm development. In this study, the Rrs spectra acquired from the coast of Korea and California, on the opposite side of the Pacific Ocean, were analyzed and compared. The waters of Gyeonggi Bay and Mokpo had a similar spectrum to those of the waters inside of the San Francisco Bay, although the waters of each region had different characteristics. The South Sea in Korea showed similar spectral characteristics on the waters of Monterey Bay and outside of the San Francisco Bay in California. The upward slope of the Rrs spectra in the range of 400 to 600 nm obtained from the inside of the San Francisco Bay was higher than the coastal waters on the Gyeonggi Bay and Mokpo in Korea. The Rrs spectra showing peaks on 580 nm and 680 ~ 700 nm due to chlorophyll were similarly observed in the South and East Seas of Korea, and the coastal waters of Monterey Bay and the outside of the San Francisco Bay in California.
- Chlorophyll and Total Suspended Materials Concentrations and Remote Sensing Reflectance Data measured at the Red Tide Area of Jinhae, Geoje, and East Sea during August from 1998 to 2003 and August 2013
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Jeong-Eon Moon, Tai-Hyun Han, Kwang-Seok Kim, Deuk-Jae Hwang, Jae-Hyun Ahn, Jong-Kuk Choi, Joo-Hyung Ryu, Young-Je Park
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GEO DATA. 2019;1(1):29-37. Published online December 30, 2019
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DOI: https://doi.org/10.22761/DJ2019.01.01.005
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Abstract
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- The chlorophyll and total suspended materials concentrations and remote sensing reflectance data were observed for red tides occurring every summer in waters around the Korean Peninsula. In observation area and date, the field survey were performed (1) in the Jinhae and Geoje coasts during August 1998, August 1999, August 2001, and August 2003, (2) in East Sea coast during August 2013. The remote sensing reflectance data were obtained from portable spectroradiometer. The chlorophyll concentration data were obtained from spectrophotometric method and the total suspended materials concentration data were obtained from filter-weight difference method. The remote sensing reflectance data were validated using Moon et al.(2012). The chlorophyll concentration data were validated using baseline correction and subtraction of 750 nm value, and the total suspended materials concentration data were validated using variation of humidity.
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