Optimization of Integrated Urban Wet-Weather Control Strategies

Lee, Joong Gwang; Heaney, James P.; Lai, Fu-hsiung

doi:10.1061/(asce)0733-9496(2005)131:4(307)

Cited by 41 publications

(16 citation statements)

References 11 publications

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“…The changes of rainfall intensities of design storms are less discussed; however, methods of downscaling daily precipitation into hourly rainfall have been proposed, such as K Nearest Neighbor method [29]. With the projected hourly rainfall series, design storms can be estimated using frequency analysis [34] combined with a hyetograph suitable for the target area. Generating hourly precipitation in future climate scenarios provides the range of the uncertainty of estimating the change of the rainfall intensity of design storms due to climate change.…”

Section: Discussionmentioning

confidence: 99%

“…The framework is based on the European Union (EU) Adaptation Supporting Tool and the United Kingdom Climate Impacts Program adaptation wizard [31]. This study used a regional five-year design storm in flood analysis and proposed methods of LID selection and LID spatial planning to support the adaptation framework, which advances the current state-of-the-art approach [32][33][34][35]. …”

Section: Methodsmentioning

confidence: 99%

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Low Impact Development Planning and Adaptation Decision-Making under Climate Change for a Community against Pluvial Flooding

Chen

Tung

2017

Water

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This study integrates and develops methods, namely low impact development (LID) selection method and an LID spatial planning model, to enable decision-making to minimize pluvial flooding for a community. The objective is to minimize the flood risk under the worst case of the design storm within the budget constraints. Design storms in current and future climate scenarios are analyzed as input to the Storm Water Management Model (SWMM). Then, LID practices are selected based on the proposed procedure and a spatial planning model is built to identify the optimal LID layouts using the simulated annealing (SA) algorithm. The lower and upper bounds of the generated rainfall intensities of a five-year 1-h duration design storms for the Hadley Centre Global Environment Model version 2 for the atmosphere and oceans (HadGEM2-AO), the Norwegian Earth System Model (NorESM1-ME), and the CSIRO-Mk3.6.0 Atmosphere-Ocean GCM (CSIRO-Mk3.6.0) during 2021-2040 are derived. The LID selection helps efficiently identify appropriate LID. Results show that nearly no flood occurs under the optimal LID layouts found by the LID spatial planning model. Moreover, it is more optimal to invest in LID in the lower sub-catchments in LID planning when the budget is limited. These methods are generally applicable for a community using LIDs as adaptation measures against pluvial flooding.

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Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Low Impact Development Planning and Adaptation Decision-Making under Climate Change for a Community against Pluvial Flooding

Chen

Tung

2017

Water

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“…The spreadsheet-based storage, treatment, and overflow runoff model (SS STORM) was originally developed by Lee et al [26] to estimate the detention basin size based on storage-released performance by incorporating a linear programming optimization tool. SS STORM uses historical daily rainfall and a computer program (i.e., Excel spreadsheet) to optimize detention basin size for target water quality concentration reduction.…”

Section: Physical Model Approachmentioning

confidence: 99%

“…SS STORM uses historical daily rainfall and a computer program (i.e., Excel spreadsheet) to optimize detention basin size for target water quality concentration reduction. The detailed algorithm of the SS STORM for the detention basin size estimation model is described in Lee et al [26]. This study modified the SS STORM algorithm to estimate RWHS performance instead of the detention basin.…”

Section: Physical Model Approachmentioning

confidence: 99%

Sustainability Index Evaluation of the Rainwater Harvesting System in Six US Urban Cities

Park

2018

Sustainability

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This study investigated the sustainability of the rainwater harvesting system (RWHS) by analyzing six urban city sites with different rainfall statistics in the United States. We developed a new RWHS performance model by modifying a spreadsheet-based storage, treatment, and overflow runoff model (SS STORM) and verified its performance by comparing with another analytical RWHS model. The sustainability index (SI) evaluation method was used for a reservoir system and applied to the RWHS, employing modified resilience and vulnerability evaluation methods due to the different characteristics of a reservoir and the RWHS. The performance of modified SS STORM is very similar to that of the analytical method, except in Los Angeles, which is characterized by long inter-event times and low rainfall event depths due to low annual rainfall. The sustainability indices were successfully evaluated depending on both RWHS size and water demand and vary over a wide range as annual rainfall increases. This study proposes a new RWHS performance model and sustainability index evaluation method. Further study should confirm the proposed approach in regions with widely different rainfall characteristics.

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“…SS STORM is a mass balance -based area-normalized storm water flow routing and water quality simulation model [Lee et al, 2005]. This model originated from STORM (Storage, Treatment, Overflow, Runoff Model) which has been used to find the best mix of storm water storage and release control strategies over an extended period [Hydrologic Engineering Center, 1977].…”

Section: Runoff and Bmp Modelingmentioning

confidence: 99%

Costs and benefits of capturing urban runoff with competitive bidding for decentralized best management practices

Cutter

Baerenklau

DeWoody

et al. 2008

Water Resources Research

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[1] Urban storm water runoff is both a source of pollution and a potentially valuable resource. Centralized facilities traditionally have been used to manage runoff. Decentralized best management practice (BMP) options may be able to avoid the costs of purchasing expensive urban land needed for centralized facilities. We investigate the cost effectiveness of implementing BMPs in a Los Angeles area watershed with two voluntary incentive mechanisms: competitive bidding and a fixed subsidy. The subsidy mechanism has lower BMP placement costs but generates relatively large excess profits for landowners. The bidding mechanism has higher BMP placement costs but generates smaller excess profits and tends to be more cost effective for the regulator, particularly at higher runoff capture levels. We also compare the costs of bidding and centralized alternatives and find that the bidding alternative is significantly less costly than a centralized alternative for a range of storm water capture goals. Finally, we examine the value of infiltrated storm water and find that it is up to 38% of total BMP costs.

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Optimization of Integrated Urban Wet-Weather Control Strategies

Cited by 41 publications

References 11 publications

Low Impact Development Planning and Adaptation Decision-Making under Climate Change for a Community against Pluvial Flooding

Low Impact Development Planning and Adaptation Decision-Making under Climate Change for a Community against Pluvial Flooding

Sustainability Index Evaluation of the Rainwater Harvesting System in Six US Urban Cities

Costs and benefits of capturing urban runoff with competitive bidding for decentralized best management practices

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