High nutrients in the coastal area after heavy rain observed in the central Seto Inland Sea in July 2012 |
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Authors: | Kazuo Abe Norihisa Nakagawa Katsuyuki Abo Mutsumi Tsujino |
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Affiliation: | 1. National Research Institute of Fisheries and Environment of Inland Sea, 2-17-5 Maruishi, Hatsukaichi, 739-0452, Japan
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Abstract: | Temporary enhancement of the nutrient concentrations in the coastal area was observed after heavy rain in the central Seto Inland Sea in July 2012. After passage of a stationary front accompanied by heavy rain, the river outflow was enhanced, and low salinity and high nutrient concentrations were detected near the mouths of rivers. The offshore salinity and nutrients increased and decreased, respectively, which suggested that a snapshot event, such as heavy rain, could influence the short-term variation of the coastal marine environmental conditions, such as the salinity and nutrient distributions. |
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