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2019 | OriginalPaper | Chapter

The Response Relationship Between Flushing Time and Water Quality in Xiangxi Bay of the Three Gorges Reservoir

Authors : HongQing Zhang, ZhongJin Bao

Published in: Sustainable Development of Water Resources and Hydraulic Engineering in China

Publisher: Springer International Publishing

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Abstract

For the problem of the spring blooms in the tributary embayment of the Three Gorges Reservoir, 3D hydrodynamic and water quality mode based on the background of Xiangxi River analyzed the response relationship between flushing time and water quality of Xiangxi Bay during the discharge period. The results show that in the upper reaches and near the estuary of the bay, chlorophyll and dissolved silicon concentration are smaller. The chlorophyll concentration in the waters of 12.5 km (in spring, 2005) and 7.5 km (in spring, 2007) away from the estuary remained at a relatively high value, while the dissolved silicon concentration is the opposite. In general, there was a positive correlation between flushing time and chlorophyll concentration, but a negative correlation between flushing time and nutrient salt for the growth of algae. The results can provide a reference for preventing the water environment problems of the tributary embayment.

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Title: The Response Relationship Between Flushing Time and Water Quality in Xiangxi Bay of the Three Gorges Reservoir
Authors: HongQing Zhang
ZhongJin Bao
Publisher: Springer International Publishing
Book: Sustainable Development of Water Resources and Hydraulic Engineering in China
Print ISBN: 978-3-319-61629-2

Electronic ISBN: 978-3-319-61630-8

Copyright Year: 2019
DOI: https://doi.org/10.1007/978-3-319-61630-8_22