Computer Assisted Decision Support System for High Level Infrastructure Master Planning: Case of the City of Portland Supply and Transmission Model (STM)

Palmer, Richard N.; Mohammadi, Azad; Hahn, Margaret A.; Kessler, Dennis; Dvorak, Joseph V.; Parkinson, D H

doi:10.1061/40517(2000)32

Cited by 13 publications

(6 citation statements)

References 4 publications

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“…SD has obtained recognized acceptance for modeling business policy and strategy problems because it encourages the participation and engagement of stakeholders, decision makers, and the general public (Smith and Ackere 2002;Xu et al 2002). Examples of SD applied to water resources include river-basin planning (Palmer et al 2000), long-term water resource planning and policy analysis (Simonovic and Fahmy 1999) and reservoir operation (Ahmad and Simonovic 2000). SD computer software, including off-the shelf products such as Powersim and Stella, use five important elements to create a simulation model: stocks, auxiliary symbols, constant symbols, causal loops, and flow network.…”

Section: The Conchos Simulation Model and Water Rights Transfer Simulmentioning

confidence: 99%

A System Dynamics Model to Evaluate Temporary Water Transfers in the Mexican Conchos Basin

Gastélum

Valdés

Stewart³

2009

Water Resour Manage

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The flows of the Rio Conchos are of vital economic importance not only to the agricultural sector in the Mexican side of the Rio Grande basin but also for meeting Mexico's obligation to deliver water to the United States. During the previous decade, a severe drought dramatically decreased the basin's runoff, generating serious economic, social, and political problems in both countries. A System Dynamics (SD) model designed to serve as a decision-support system (DSS) for water managers has been created. This DSS is a lumped semi-distributed model operating on a monthly basis. This DSS incorporates the most important elements of the Conchos basin's water resources system: main rivers, irrigation distribution canals, reservoirs, aquifer, and the three Irrigation Districts. The DSS simulates different short and long term scenarios combining temporary water right transfers inside and outside Irrigation Districts (IDs). Also, different short scenarios are implemented to investigate the benefits of water transfer from México to the United States. This study has prompted awareness with regards to the degree of complexity and uncertainty of the water right allocation process to different economic variables such as crop yield, production costs, crop prices, subsidies, and water distribution efficiencies.

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Section: The Conchos Simulation Model and Water Rights Transfer Simulmentioning

confidence: 99%

A System Dynamics Model to Evaluate Temporary Water Transfers in the Mexican Conchos Basin

Gastélum

Valdés

Stewart³

2009

Water Resour Manage

View full text Add to dashboard Cite

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“…River-basin planning (Palmer et al 2000), long term water resource planning and policy analysis (Simonovic and Fahmy 1999) and reservoir operation (Ahmad and Simonovic 2000) are examples of several recent SD applications on water resources (Xu et al 2002). Figure 2 present a schematic representation of the main elements of the Conchos Basin to be modeled.…”

Section: The Conchos Decision Support System (Dss)mentioning

confidence: 99%

A Decision Support System to Improve Water Resources Management in the Conchos Basin

Gastélum

Valdés

Stewart

2008

Water Resour Manage

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The Conchos basin is the largest tributary to the lower part of the Rio Grande/Rio Bravo basin. During recent years a severe drought has affected México's ability to deliver water from the Conchos basin as required by the 1944 Treaty. In addition, it has generated not only economic problems in the USA and México but also political frictions between these two countries. The Mexican Conchos river has historically contributed with the highest amount of water to USA as established on the water treaty. A Decision Support System (DSS) was developed for the Conchos basin in order to gain a better understanding of the water resources management process in the basin, and to identify the alternatives to improve the cited process. The DSS is a semi-distributed model, based on System Dynamics, and developed using Powersim software. The DSS has been used to evaluate 25 long and short tem water resources allocation alternatives for the two main basin's users: Irrigation Districts and Water Treaty. Some of the most important factors being tested on the 25 water management alternatives include National Commission of Water's yearly water allocation policy, reservoir operation rules, improvement on water distribution efficiencies, etc. The DSS model shows that the historic water resources allocation implemented by the Federal government produces adequate results as compared with the other tested water management alternatives. However, for short term drought scenarios, it is showed that there could be other management alternatives that could perform better than the current water management allocation. In general, J. R. Gastélum (B) HydroSystems, Inc., 9831 S 51st St Suite E-122, and Riparian Areas (SAHRA), Tucson, AZ, USA 1520 J.R. Gastélum et al.the DSS shows what we already expect of dynamic models of systems to provide that understanding the effects of multiple interacting variables in necessary to develop good natural resource management policies.

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“…One of these new approaches is an object-oriented system dynamics approach which has been applied in many studies for the development of water supply systems (Simonovic et al, 1997;Palmer et al, 2000;Passell et al, 2002;Stave, 2003;Sumer et al, 2004). Applying this approach for the water supply system design, a system component can be represented by an "object" that can readily be implemented to define interactions among system components.…”

Section: Introductionmentioning

confidence: 99%

Analysis of water conservation and wastewater treatment options in the Geum River basin, South Korea

et al. 2009

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A water supply system needs to be evaluated in order to meet the future water demand and to preserve the natural environment. Because most annual rainfall events occur during the summer in South Korea, it is necessary to develop an efficient water supply plan for the entire year. To cope with future demands, accurate evaluation of supply scenarios are required in order to determine the most feasible plan. In this paper, a water supply system was developed for the Geum River basin, South Korea using an objectoriented system dynamics approach, which enables the decision maker to develop a model that can be easily understood by the stakeholder and the non-modeler. Two different scenarios were applied for the developed water supply system to investigate the longterm water supply plan. Water savings measures to reduce water demands in the residential area were suggested and evaluated. The water quality degradation was predicted and the expansion of the capacity of wastewater treatment plants to cope with the aggravated water quality was suggested.

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Computer Assisted Decision Support System for High Level Infrastructure Master Planning: Case of the City of Portland Supply and Transmission Model (STM)

Cited by 13 publications

References 4 publications

A System Dynamics Model to Evaluate Temporary Water Transfers in the Mexican Conchos Basin

A System Dynamics Model to Evaluate Temporary Water Transfers in the Mexican Conchos Basin

A Decision Support System to Improve Water Resources Management in the Conchos Basin

Analysis of water conservation and wastewater treatment options in the Geum River basin, South Korea

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