A framework model for the dimensioning and allocation of a detention basin system: The case of a flood-prone mountainous watershed

被引:85
作者
Bellu, Annalisa [1 ]
Sanches Fernandes, Luis F. [1 ]
Cortes, Rui M. V. [1 ]
Pacheco, Fernando A. L. [2 ]
机构
[1] Univ Tras Os Montes & Alto Douro, CITAB UTAD Ctr Res & Technol Agroenvironm & Biol, P-5001801 Quinta De Prados, Vila Real, Portugal
[2] Univ Tras Os Montes & Alto Douro, CQVR UTAD Chem Res Ctr, P-5001801 Quinta De Prados, Vila Real, Portugal
关键词
Flood management; Watershed scale; Detention basin; Peak flow attenuation; Multi-criteria decision analysis; Optimal siting; LAND-USE CONFLICTS; RISK-MANAGEMENT; RIVER-BASIN; AQUIFER VULNERABILITY; FORESTED WATERSHEDS; GIS; CLASSIFICATION; IMPACTS; AREAS;
D O I
10.1016/j.jhydrol.2015.12.043
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
A straightforward approach in flood management is the attenuation of peak discharges through an appropriate detention system. In this study, a flexible framework model was developed to optimize the dimensioning and site selection of a flood mitigation system based on detention basins. The general workflow can be summarized by three separate but interrelated modules: (i) the hydrologic module, which back tracks the detention basin contributing area based on the application of engineering formulae to historical information on local river floods and associated hydrometric data; (ii) the geomorphologic module, implemented in a Geographic Information System, which indicates all the potential locations with adequate contributing area as required for the detention system, by analyzing the flow accumulation within the river basin; and (iii) the environmental module, which comprises the implementation of a multi criteria decision analysis for the selection of best location(s) for the detention basin system, addressing three different objectives: to minimize diffuse pollution; to minimize point-source pollution; to optimize landscape integration (by minimizing the dam height). The framework model was applied to the flood prone Vez River, which is the main tributary of the Lima River in Northwestern Portugal. Although the expectations as regards diffuse and point-source pollution are optimistic, results show that detention of the largest flood in this river could only be accomplished with one very large dam or a number of decentralized large dams. Decentralizing the detention system with multiple basins installed in various branches of the Vez River did not reduce the mean dam height, because the catchment is located in a region of craggy topography and high annual rainfall. An extensive reforestation of the basin headwaters would increase evapotranspiration reducing runoff. Eventually, this would expand the alternatives for flood mitigation, namely through the construction of sustainable flood detention basins. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:567 / 580
页数:14
相关论文
共 74 条
  • [1] Abbaspour M, 2011, INT AGROPHYS, V25, P311
  • [2] Alonso J., 2014, TERRITORIUM, V2, P33
  • [3] [Anonymous], 2012, ArcHydro Tools for ArcGIS 10 - Tutorial
  • [4] [Anonymous], ROAD DRAIN DES MAN
  • [5] [Anonymous], 2011, NAT CHOIC SEC VAL NA
  • [6] [Anonymous], 2010, HYDR NAT ENG HDB 630
  • [7] Asquith W., 2008, 40 US GEOL SURV
  • [8] Baker W., 1979, PUBLIC WORKS, V108, P75
  • [9] Geo-hydrological risk management for civil protection purposes in the urban area of Genoa (Liguria, NW Italy)
    Brandolini, P.
    Cevasco, A.
    Firpo, M.
    Robbiano, A.
    Sacchini, A.
    [J]. NATURAL HAZARDS AND EARTH SYSTEM SCIENCES, 2012, 12 (04) : 943 - 959
  • [10] Geo-hydrological Risk Mitigation Measures and Land-Management in a Highly Vulnerable Small Coastal Catchment
    Brandolini, Pierluigi
    Cevasco, Andrea
    [J]. ENGINEERING GEOLOGY FOR SOCIETY AND TERRITORY, VOL 5: URBAN GEOLOGY, SUSTAINABLE PLANNING AND LANDSCAPE EXPLOITATION, 2015, : 759 - 762