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Effects of Urbanization Factors on Model Parameters

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  • Shin-jen Cheng
  • Cheng-feng Lee
  • Ju-huang Lee

Abstract

This study mainly explores effects of urbanization factors on hydrograph parameters. Urbanization impacts of the developing watershed are evaluated based on rainfall–runoff simulations. A total of 51 rainfall–runoff events occurred from 1966 to 2002. Forty of these were calibrated, and effects of urbanization factors on runoff hydrographs resulting from a simple hydrological model were assessed. The block Kriging method was used to estimate the mean rainfall of the Wu-Tu watershed, and its hourly excesses were calculated by using the non-linear programming method. The remaining 11 cases were used to test the established relationships. The calibration and verification results confirm that the integral methods used in this study effectively illustrate the hydrological and geomorphic conditions in complex urbanization processes. Parameter n responds more sensitively than parameter k to increasing impervious areas and population densities. Additionally, parameter n responds more strongly to imperviousness than to population. Therefore, an impervious area is an important reference for analyzing hydrological changes of urbanization in the Wu-Tu watershed. Copyright Springer Science+Business Media B.V. 2010

Suggested Citation

  • Shin-jen Cheng & Cheng-feng Lee & Ju-huang Lee, 2010. "Effects of Urbanization Factors on Model Parameters," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 24(4), pages 775-794, March.
    • Handle: RePEc:spr:waterr:v:24:y:2010:i:4:p:775-794
    DOI: 10.1007/s11269-009-9471-9
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    References listed on IDEAS

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    1. Y. Lee & V. Singh, 2005. "Tank Model for Sediment Yield," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 19(4), pages 349-362, August.
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    1. Yu-ming Wang & Yu-ji Li & Shin-jen Cheng & Fu-ti Yang & Yin-ta Chen, 2015. "Effects of Spatial-Temporal Imperviousness on Hydrological Responses of Various Areas in an Urbanized Watershed," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(10), pages 3551-3567, August.
    2. Shin-jen Cheng, 2011. "Raingauge significance evaluation based on mean hyetographs," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 56(3), pages 767-784, March.
    3. Shin-jen Cheng, 2011. "The best relationship between lumped hydrograph parameters and urbanized factors," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 56(3), pages 853-867, March.
    4. O. Barron & M. Donn & A. Barr, 2013. "Urbanisation and Shallow Groundwater: Predicting Changes in Catchment Hydrological Responses," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 27(1), pages 95-115, January.
    5. Shouhong Zhang & Yiping Guo, 2014. "Stormwater Capture Efficiency of Bioretention Systems," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(1), pages 149-168, January.
    6. Sara Todeschini & Sergio Papiri & Carlo Ciaponi, 2018. "Placement Strategies and Cumulative Effects of Wet-weather Control Practices for Intermunicipal Sewerage Systems," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 32(8), pages 2885-2900, June.
    7. Jet-chau Wen & Yen-jen Lee & Shin-jen Cheng & Ju-huang Lee, 2014. "Changes of rural to urban areas in hydrograph characteristics on watershed divisions," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 74(2), pages 887-909, November.
    8. Chun-dan Cheng & Shin-jen Cheng & Jet-chau Wen & Ju-huang Lee, 2012. "Effects of Raingauge Distribution on Estimation Accuracy of Areal Rainfall," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(1), pages 1-20, January.
    9. An Liu & Ashantha Goonetilleke & Prasanna Egodawatta, 2012. "Inadequacy of Land Use and Impervious Area Fraction for Determining Urban Stormwater Quality," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 26(8), pages 2259-2265, June.

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