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2004•Unpublished venueRequires access

Analysis on the characteristics of the 2003 flood in the lower reach of the Weihe River at flood season

Wu Wei

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Abstract

Based on 2003 flood record at Lintong and Huaxian hydrological station, the characteristics of the floods, which took place in the lower Weihe River in August, September, October2003, were analyzed in the paper. It is shown that the channel deposition and shrinkage as well as the degradation of main channel capacity are the main reasons for that flood water lever rose wholly and flood routing got more slowly along the Weighed river, and that the first peak flood flows over bank and almost stop on the floodplain wholly with hyperconcentration of sediment caused the rising amplitude of the second peak flood water lever higher than before.

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What this paper is about

Based on 2003 flood record at Lintong and Huaxian hydrological station, the characteristics of the floods, which took place in the lower Weihe River in August, September, October2003, were analyzed in the paper. It is shown that the channel deposition and shrinkage as well as the degradation of main channel capacity are the main reasons for that flood water lever rose wholly and flood routing got more slowly along the Weighed river, and that the first peak flood flows over bank and almost stop on the floodplain wholly with hyperconcentration of sediment caused the rising amplitude of the second peak flood water lever higher than before.

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Available abstract

Based on 2003 flood record at Lintong and Huaxian hydrological station, the characteristics of the floods, which took place in the lower Weihe River in August, September, October2003, were analyzed in the paper. It is shown that the channel deposition and shrinkage as well as the degradation of main channel capacity are the main reasons for that flood water lever rose wholly and flood routing got more slowly along the Weighed river, and that the first peak flood flows over bank and almost stop on the floodplain wholly with hyperconcentration of sediment caused the rising amplitude of the second peak flood water lever higher than before.

Key concepts: Flood myth, Floodplain, Hydrology (agriculture), Channel (broadcasting), Environmental science, 100-year flood, Deposition (geology), Sediment

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Analysis on the characteristics of the 2003 flood in the lower reach of the Weihe River at flood season — Research Paper | ScholarLens