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Official Journal of the Asia Oceania Geosciences Society (AOGS)

Fig. 3 | Geoscience Letters

Fig. 3

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

Fig. 3

Satellite imagery derived \({b}_{b{p\_}_{\mathrm{index}}}(green)\) of Prorocentrum donghaiense blooms water from 2004 to 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 circles) indicate occurrences of Prorocentrum donghaiense blooms that were recorded by the SOA and the Bulletin of China Marine Disaster from the 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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