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A platform for research: civil engineering, architecture and urbanism
Influences of Topographical Change of Qiantang River on Design Flood of Puyang River
Since the Puyang River in Zhejiang province is easily influenced by tidal backwater of Qiantang River, its design flood level also fluctuates with topographical change of Qiantang River. The topography of Qiantang River has taken place considerable change by climate changes and human activities in recent years, and it had caused flood level of Wenyan station obvious rise from 0.22 m to 0.89 m, which produces great impact on flood level of Puyang River. This paper adopted the two-dimension numeral model to simulate the impact on flood level of the Puyang River which is caused by tidal backwater of Qiantang River. The results indicate that flood levels of Meichi satiation rise 3-30 cm, and which of Linpu satiation rise 4-76 cm when they respectively encounter with flood of Qiantang River from once every 100 years to once every 5 years. From the results, we can see the change of topographical of Qiantang River in recent years produces great impact on flood level of the Puyang River.
Influences of Topographical Change of Qiantang River on Design Flood of Puyang River
Since the Puyang River in Zhejiang province is easily influenced by tidal backwater of Qiantang River, its design flood level also fluctuates with topographical change of Qiantang River. The topography of Qiantang River has taken place considerable change by climate changes and human activities in recent years, and it had caused flood level of Wenyan station obvious rise from 0.22 m to 0.89 m, which produces great impact on flood level of Puyang River. This paper adopted the two-dimension numeral model to simulate the impact on flood level of the Puyang River which is caused by tidal backwater of Qiantang River. The results indicate that flood levels of Meichi satiation rise 3-30 cm, and which of Linpu satiation rise 4-76 cm when they respectively encounter with flood of Qiantang River from once every 100 years to once every 5 years. From the results, we can see the change of topographical of Qiantang River in recent years produces great impact on flood level of the Puyang River.
Influences of Topographical Change of Qiantang River on Design Flood of Puyang River
Ding, Tao (author) / Liu, Li-Ming (author)
2013
4 Seiten
Conference paper
English
Influences of Topographical Change of Qiantang River on Design Flood of Puyang River
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