期刊
HARMFUL ALGAE
卷 39, 期 -, 页码 295-302出版社
ELSEVIER
DOI: 10.1016/j.hal.2014.08.010
关键词
Geostationary Ocean Color Imager; Harmful algal blooms; Cochlodinium polykrikoides; Diurnal variations; Korean coastal waters
资金
- project titled Research for Applications of Geostationary Ocean Color Imager - Ministry of Oceans and Fisheries, Korea
- project titled Development of satellite based ocean carbon flux model for seas around Korea - Ministry of Oceans and Fisheries, Korea
- project titled Satellite Application Techniques for Coastal Ocean Environmental Monitoring (SATCOM) - Korea Institute of Ocean Science and Technology (KIOST)
Harmful Cochlodinium polykrikoides blooms have frequently appeared and caused fatal harm to aquaculture in Korean coastal waters since 1995. We investigated the applicability of GOCI, the world's first Geostationary Ocean Color Imager, in monitoring the distribution and temporal movement of a harmful algal bloom (HAB) that was discovered in the East Sea near the Korean peninsula in August 2013. We identified the existence of C polykrikoides at a maximum cell abundance of over 6000 cells/mL and a chlorophyll a concentration of over 400 mg/m(3). In areas of C polykrikoides blooms, GOCI remote sensing reflectance (R-rs) spectra demonstrated the typical radiometric features of a HAB, and from the diurnal variations using GOCI-derived chlorophyll concentration images, we were able to identify the vertical migration of the red tide species. We also found that the formation and propagation of the HAB had relations with cold water mass in the coastal region. GOCI can be effectively applied to the monitoring of short-term and long-term movements of red tides. (C) 2014 Elsevier B.V. All rights reserved.
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