scholarly journals Dynamic water system modeling: a systematic review

Author(s):  
María Elena Cerecedo Arroyo ◽  
Polioptro Fortunato Martínez Austria

Abstract Improving water resource management at a global scale is critical at this time. The risks to which bodies of water are currently exposed, whether due to climate change or anthropogenic conditions, affect water availability and quality in basins around the world. Nevertheless, water management has been revealed as a complex problem. In this light, one of the most promising methodologies is building dynamic simulation models, which may include the largest possible number of variables, not just hydrological. In this way, we may gain a broader perspective on all the natural and social dimensions encompassed in basins and, thus, improve decision making for the benefit of the population. This systematic review seeks to report the most representative results from several authors who have developed dynamic models applied to the management of water resources. Herein, special emphasis is placed on water resource management applied to basin models, decision making, and public policies, as well as on the modeling tools used and on model validation.

Water ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 2282
Author(s):  
Heidi L. N. Moltz ◽  
Carlington W. Wallace ◽  
Erfaneh Sharifi ◽  
Karin Bencala

Human uses of land and water are directly linked and must, therefore, be managed with each other in mind. This paper puts forward an approach for integrating sustainable water resource management into local land use decision-making in the Potomac basin. The approach includes developing a clear understanding of the current regulatory, programmatic, and financial approaches to land use management; identifying opportunities from innovation; and developing a flexible, stakeholder-based framework for moving forward. Four opportunities for innovation were identified in the Potomac basin utilizing this approach, including enhancing coordination and access to information, promoting incentives to achieve desired outcomes, encouraging and promoting innovation, and integrating programs to achieve multiple objectives. The successful integration of land and water decision-making requires a sustained, long-term commitment to improvement rather than a one-time fix mentality. Initial steps for implementation include identifying and engaging diverse partners, as well as establishing channels for information dissemination. The lessons learned from this work may prove valuable to decision-makers in other regions to holistically manage diverse land and water resources.


Water ◽  
2018 ◽  
Vol 10 (11) ◽  
pp. 1545
Author(s):  
Lei Jin ◽  
Haiyan Fu ◽  
Younggy Kim ◽  
Jiangxue Long ◽  
Guohe Huang

In realistic water resource planning, fuzzy constraints can be violated but still allowed to certain acceptance degrees. To address this issue, in this study, a bi-objective pseudo-interval type 2 (T2) linear programming approach with a ranking order relation between the intervals is proposed for water system allocation. This developed approach can transform normal T2 fuzzy sets, including both trapezoidal and triangular types, into the bi-objective linear programming approach solved with the proposed algorithm with mathematical rigor, which improves the flexibility of the decision supports. The new model is applied in the utilization of regional water resource management in Xiamen city, China. Concurrently, a local water system model is established by considering the aspects of industrial, agricultural, and municipal requirements. Thus, by analysis of the solution algorithm, decision-makers can obtain different optimal results by selecting different acceptance degrees. The results also demonstrate the superiority of the proposed method. Therefore, this approach not only augments the theory of the optimal allocation method in water resource management, but also provides the support for meeting the requirements of the 13th five-year plan for Xiamen ecological planning.


2016 ◽  
Vol 18 ◽  
pp. 47-54 ◽  
Author(s):  
Sabita Aryal Khanna ◽  
Kundan Lal Shrestha ◽  
Ramesh Kumar Maskey ◽  
Alaka Lamsal ◽  
Keshab Pyakurel ◽  
...  

Water in Nepal is a key strategic natural resource, which has the potential to lead the all round development and economic growth of the country. Integrated Water Resource Management (IWRM) is a holistic management approach, integrating land water interaction, socio economic groups, upstream downstream relations, indigenous knowledge, and institutions built up, along the temporal dimensions based on an agreed set of principles. It is a bottom-up decentralized approach for the management of water resources. IWRM is a challenge to conventional practices, attitudes and professional certainties. It confronts entrenched sectoral interest & requires that the water resources are managed holistically for the benefits of all.The broad objective of the multidisciplinary study was to assess the possibilities of Human Dimensions of water resource development and its management. Water resource accounting is done by the collection of water resources data through participatory group formation.  Scientific data of hydro and metrological stations was also acquired. Hydrological modeling tools were also used. Feasibility of hydropower plant and potential of power production in the basin was readily estimated.Total daily discharge of the Durlung Watershed was estimated on an average of 157 Million Liters. Rivers of the watershed are turbulent, unsteady & flowing with very high current, which can be utilized by local people for low cost drinking water, tourism, irrigation & hydropower generation. Micro-hydropower production possibilities in Ratan and Deuta rivers have shown multidimensional positive impacts on socio-economic development of the region. Level of community partnership in IWRM and synchronization with the local, district & national level institutional framework for Basin Management was observed to be satisfactory. Participatory research was carried to identify water resource base with school & community partnership. Community motives, their difficulties and gaps in community level organization were identified. For capabilities of community to take over the responsibilities of IWRM concept, there is a lot more need of training and capacity building for now. HYDRO Nepal Journal of Water Energy and EnvironmentVolume- 18, 2016, JanuaryPage -47 to 54


Water ◽  
2018 ◽  
Vol 10 (12) ◽  
pp. 1740 ◽  
Author(s):  
Mengshan Lee ◽  
Chia-Yii Yu ◽  
Pen-Chi Chiang ◽  
Chia-Hung Hou

The Choshui river basin, the mother river in Taiwan, suffers from severe water shortage from extensive water use in irrigation as well as land subsidence from over-pumping of groundwater. To address these challenges, several water-related strategies and actions, including enhancement of water-use efficiency, development of alternative water sources, and improvement in effective water management, were proposed in this study to support sustainable water resource management in the watershed. Management of water resources in Taiwan is expected to confront not only freshwater resource but also energy source constraints. Multi-criteria decision analysis (MCDA), an approach for ranking overall performances of decision options, was then used to prioritize the water resource management strategies. The analysis considered economic (economic feasibility) and environmental (stability from the influence of climate change) criteria in the context of water–energy nexus (water supply/conservation potential and systemic energy efficiency). Our results indicated that, while economic feasibility was considered as the most important factor in implementation of the practices, improvement in groundwater pumping control and management was ranked as a high-priority water resource management action, followed by initiating water conservation programs for residential sector and reducing leakage rate for agricultural irrigation canals. The results from this study are expected to provide direction for future decision making in water resource management.


2016 ◽  
Vol 85 ◽  
pp. 98-111 ◽  
Author(s):  
Thuc D. Phan ◽  
James C.R. Smart ◽  
Samantha J. Capon ◽  
Wade L. Hadwen ◽  
Oz Sahin

2020 ◽  
Vol 15 (3) ◽  
pp. 312-323
Author(s):  
Akira Kodaka ◽  
Akiyuki Kawasaki ◽  
Naruhiko Shirai ◽  
Ralph Allen Acierto ◽  
Win Win Zin ◽  
...  

Understanding of system requirements that satisfy end users’ needs is fundamental of system development, yet challenging when end users are unable to address their needs explicitly. Although a number of scholars have been designing and applying requirement elicitation techniques, there is a research gap in Spatial Decision Support System (SDSS) with Web-based Geographical Information System (Web-GIS) in water resource management for disaster risk reduction. The gap addresses especially design elicitation techniques and their performances 1) to understand data types used for decision making, 2) set timing for sharing the data to accomplish end users’ tasks, and 3) compile the data to be represented so as to facilitate end users’ decision making. This study therefore designed a requirement elicitation technique by advancing User Story Mapping (USM) and validated through a workshop using mock-up system interface with potential end users who are in charge of water resource management in Myanmar’s Bago River Basin. Through the research it could be validated that the user stories-based approach enabled end users to decompose their operation activities into tasks. It also allowed them to link to necessary data with visual image for facilitating their task accomplishments and decision making for water resource management. It was revealed that the benefits of using the designed approach are not only just to summarize necessary data and information for end users’ decision making but also to encourage them to proactively consider data utilization into their operations. For further development of the requirement elicitation to understand end users needs, insights and recommendations for the proposed technique designing and conducting of the workshop were obtained.


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