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Proceedings of the International Association of Hydrological Sciences An open-access publication for refereed proceedings in hydrology
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Volume 370
Proc. IAHS, 370, 103–108, 2015
https://doi.org/10.5194/piahs-370-103-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Proc. IAHS, 370, 103–108, 2015
https://doi.org/10.5194/piahs-370-103-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

  11 Jun 2015

11 Jun 2015

Investigation into impacts of land-use changes on floods in the upper Huaihe River basin, China

M. Yu2,1, Q. Li2,1, G. Lu1, H. Wang3, and P. Li4 M. Yu et al.
  • 1College of Hydrology and Water Resources, Hohai University, Nanjing 210098, China
  • 2Center for International River Research, School of Business, Hohai University, Nanjing 210098, China
  • 3Xinyang Hydrology and Water Resources Survey Bureau, Xinyang, China
  • 4Henan Hydrology and Water Resources Survey Bureau, Zhengzhou, China

Abstract. To investigate the agricultural land-use change on flood regime, the upper Huaihe River basin above the Dapoling station was selected as the case study site. Based on topography, land-use, hydrological and meteorological data in 1990s and 2010s, the improved distributed Xinanjiang model, with potential evapotranspiration being computed by coupling a dual-source evapotranspiration model with a simplified plant growth model, was adopted to simulate the daily and hourly rainfall-runoff processes over 1990s and 2010s, and then the effects of land-use change on flood volume, flood peak, occurring time of flood peak, the percentage of surface runoff component were investigated respectively. The results was interesting and indicated that impacts of land-use change on flood characteristics varied significantly with land-use types. The outputs could provide valuable references for flood risk management and water resources management in the Huaihe River basin.

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