Development of an Integrated Modelling System for Evaluating Water Quantity and Quality Effects of Individual Wetlands in an Agricultural Watershed

A GIS-based fully-distributed model, IMWEBs-Wetland (Integrated Modelling for Watershed Evaluation of BMPs—Wetland), is developed to simulate hydrologic processes of site-specific wetlands in an agricultural watershed. This model, powered by the open-source GIS Whitebox Geospatial Analysis Tools (GA...

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Bibliographic Details
Published in:Water (Basel) 2018-06, Vol.10 (6), p.774
Main Authors: Liu, Yongbo, Yang, Wanhong, Shao, Hui, Yu, Zhiqiang, Lindsay, John
Format: Article
Language:English
Subjects:
Agricultural management
Agricultural watersheds
Case studies
Computer simulation
Environmental restoration
Geographic information systems
Geospatial data
Hydrology
Land management
Modelling
Quality assessment
Real estate development
Spatial analysis
Water quality
Water supply
Watershed management
Wetland agriculture
Wetland management
Wetlands
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Summary:A GIS-based fully-distributed model, IMWEBs-Wetland (Integrated Modelling for Watershed Evaluation of BMPs—Wetland), is developed to simulate hydrologic processes of site-specific wetlands in an agricultural watershed. This model, powered by the open-source GIS Whitebox Geospatial Analysis Tools (GAT) and advanced database technologies, allows users to simulate and assess water quantity and quality effects of individual wetlands at site and watershed scales. A case study of the modelling system is conducted in a subbasin of the Broughton’s Creek Watershed in southern Manitoba of Canada. Modelling results show that the model is capable of simulating wetland processes in a complex watershed with various land management practices. The IMWEBs-Wetland model is unique in simulating the water quantity and quality effects of individual wetlands, which can be used to examine location-specific targeting of wetland retention and restoration at a watershed scale.
ISSN:2073-4441
2073-4441
DOI:10.3390/w10060774