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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 2 | Geoscience Letters

Fig. 2

From: A simple method for algal species discrimination in East China Sea, using multiple satellite imagery

Fig. 2

Satellite imagery derived \({b}_{\mathrm{b}{\mathrm{p}\_}_{\mathrm{index}}}(green)\) of Karenia mikimotoi blooms water during 2004–2020. a, b \({b}_{\mathrm{b}{\mathrm{p}\_}_{\mathrm{index}}}(green)\) map derived by GOCI images. c, d \({b}_{\mathrm{b}{\mathrm{p}\_}_{\mathrm{index}}}(green)\) map derived by MERIS images. e, f \({b}_{\mathrm{b}{\mathrm{p}\_}_{\mathrm{index}}}(green)\) map derived by MODIS images. The highlighted regions (red rectangles) indicate occurrences of K. mikimotoi blooms that were recorded by State Ocean Administration (SOA) and the Bulletin of China Marine Disaster by Zhejiang Ocean Forecast. The color bar represents the variation of \({b}_{\mathrm{b}{\mathrm{p}\_}_{\mathrm{index}}}(green)\). The black pixels indicate area of non-bloom area

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