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Water 2014, 6(3), 500-516; doi:10.3390/w6030500

Integration of a Hydrological Model within a Geographical Information System: Application to a Forest Watershed

Department of Rural and Surveying Engineering, Aristotle University of Thessaloniki, Thessaloniki 54006, Greece
Department of Civil Engineering, University of Thessaly, Volos 38334, Greece
Author to whom correspondence should be addressed.
Received: 31 October 2013 / Revised: 7 March 2014 / Accepted: 12 March 2014 / Published: 19 March 2014
(This article belongs to the Special Issue Flood Estimation and Analysis in a Variable and Changing Environment)
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Watershed simulation software used for operational purposes must possess both dependability of results and flexibility in parameter selection and testing. The UBC watershed model (UBCWM) contains a wide spectrum of parameters expressing meteorological, geological, as well as ecological watershed characteristics. The hydrological model was coupled to the MapInfo GIS and the software created was named Watershed Mapper (WM). WM is endowed with several features permitting operational utilization. These include input data and basin geometry visualization, land use/cover and soil simulation, exporting of statistical results and thematic maps and interactive variation of disputed parameters. For the application of WM two hypothetical scenarios of forest fires were examined in a study watershed. Four major rainfall events were selected from 12-year daily precipitation data and the corresponding peak flows were estimated for the base line data and hypothetical scenarios. A significant increase was observed as an impact of forest fires on peak flows. Due to its flexibility the combined tool described herein may be utilized in modeling long-term hydrological changes in the context of unsteady hydrological analyses.
Keywords: watershed modeling; GIS; land cover change; surface hydrology watershed modeling; GIS; land cover change; surface hydrology
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Fotakis, D.; Sidiropoulos, E.; Loukas, A. Integration of a Hydrological Model within a Geographical Information System: Application to a Forest Watershed. Water 2014, 6, 500-516.

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