Development of a GIS-Based Information System for Watershed Monitoring in Mato Grosso, Central Brazil

Watershed is unique bio-physical unit of the Earth’s surface and source of resources to the people. These resources are being exploited for various purposes. AHP based multi-criteria analysis is useful for prioritization of watersheds for planning, management and development. Nineteen criterion i.e. Rb, Lb, A, Lb, P, Dd, P, Fs, Rf, Re, CC, Dt, T, Di, If, Rh1, Rn , slope and soils were selected for prioritization of sub-watersheds of Kas basin in Maharashtra (India). Correlation analysis suitable for robust judgment for ranking the criterion was used for prioritization of selected watersheds. Drainage intensity (27.80%), texture ratio (13.90%), bifurcation ratio (9.27%), geology (6.95%) and basin length (5.56%) show higher influence on formation of watershed structure in the region. Influences of criterion were estimated based on weights calculated using AHP techniques. Values of influences were normalized using distribution of selected criterion within the sub-watersheds. Watersheds were classified into three categories of priorities: high, moderate and low priorities. The methodology formulated in this study can be efficient tool for rapid prioritization of watersheds for planning and management for development.

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Development of a GIS-Based Decision Support System for Diagnosis of River System Health and Restoration

Xia

Lin

et al. 2014

Water

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Abstract:The development of a decision support system (DSS) to inform policy making has been progressing rapidly. This paper presents a generic framework and the development steps of a decision tool prototype of geographic information systems (GIS)-based decision support system of river health diagnosis (RHD-DSS). This system integrates data, calculation models, and human knowledge of river health status assessment, causal factors diagnosis, and restoration decision making to assist decision makers during river restoration and management in Zhejiang Province, China. Our RHD-DSS is composed of four main elements: the graphical user interface (GUI), the database, the model base, and the knowledge base. It has five functional components: the input module, the database management, the diagnostic indicators management, the assessment and diagnosis, and the visual result module. The system design is illustrated with particular emphasis on the development of the database, model schemas, diagnosis and analytical processing techniques, and map management design. Finally, the application of the prototype RHD-DSS is presented and implemented for Xinjiangtang River of OPEN ACCESSWater 2014, 6 3137Haining County in Zhejiang Province, China. This case study is used to demonstrate the advantages gained by the application of this system. We conclude that there is great potential for using the RHD-DSS to systematically manage river basins in order to effectively mitigate environmental issues. The proposed approach will provide river managers and designers with improved insight into river degradation conditions, thereby strengthening the assessment process and the administration of human activities in river management.

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Development of a GIS-Based Information System for Watershed Monitoring in Mato Grosso, Central Brazil

Cited by 3 publications

References 30 publications

Urban planning, flood risk and public policy: The case of the Arno River, Firenze, Italy

Urban planning, flood risk and public policy: The case of the Arno River, Firenze, Italy

Multi-Criteria Watershed Prioritization of Kas Basin in Maharashtra India: AHP and Influence Approaches

Development of a GIS-Based Decision Support System for Diagnosis of River System Health and Restoration

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