Hydroeconomic optimization of mesoscale blue-green stormwater systems at the city level

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Hydroeconomic optimization of mesoscale blue-green stormwater systems at the city level. / Haghighatafshar, Salar; Yamanee-Nolin, Mikael; Klinting, Anders; Roldin, Maria; Gustafsson, Lars-Göran; Aspegren, Henrik; Jönsson, Karin.

I: Journal of Hydrology, Vol. 578, 124125, 2019.

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

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TY - JOUR

T1 - Hydroeconomic optimization of mesoscale blue-green stormwater systems at the city level

AU - Haghighatafshar, Salar

AU - Yamanee-Nolin, Mikael

AU - Klinting, Anders

AU - Roldin, Maria

AU - Gustafsson, Lars-Göran

AU - Aspegren, Henrik

AU - Jönsson, Karin

PY - 2019

Y1 - 2019

N2 - The development of tools to help cities and water utility authorities communicate and plan for long-term sustainable solutions is of utmost importance in the era of a changing and uncertain climate. This study introduces a hybrid modeling concept for the cosimulation of mesoscale blue-green stormwater systems and conventional urban sewer networks. The hybrid model successfully introduces the retention/detention effects of mesoscale blue-green stormwater systems to the hydraulic dynamics of the sewer network. The cosimulation package was further facilitated with a cost-oriented multiobjective optimization algorithm. The aim of the scalar multiobjective optimization was to minimize the total cost comprising both flooding costs and action costs – both parameters solely representing the financial components of cost – through optimal placement of mesoscale blue-green systems of optimal size. The suggested methodology provides a useful platform for sustainable management of the existing sewer networks in cities from a hydroeconomic perspective.

AB - The development of tools to help cities and water utility authorities communicate and plan for long-term sustainable solutions is of utmost importance in the era of a changing and uncertain climate. This study introduces a hybrid modeling concept for the cosimulation of mesoscale blue-green stormwater systems and conventional urban sewer networks. The hybrid model successfully introduces the retention/detention effects of mesoscale blue-green stormwater systems to the hydraulic dynamics of the sewer network. The cosimulation package was further facilitated with a cost-oriented multiobjective optimization algorithm. The aim of the scalar multiobjective optimization was to minimize the total cost comprising both flooding costs and action costs – both parameters solely representing the financial components of cost – through optimal placement of mesoscale blue-green systems of optimal size. The suggested methodology provides a useful platform for sustainable management of the existing sewer networks in cities from a hydroeconomic perspective.

KW - Blue-green stormwater

KW - Mesoscale

KW - Macroscale

KW - Urban Drainage

KW - Urban Infrastructure

KW - Optimization

KW - Hybrid modeling

KW - Cosimulation

U2 - 10.1016/j.jhydrol.2019.124125

DO - 10.1016/j.jhydrol.2019.124125

M3 - Article

VL - 578

JO - Journal of Hydrology

JF - Journal of Hydrology

SN - 0022-1694

M1 - 124125

ER -