Development and application of GIS-based assessment of land-use impacts on water quality: A case study of the Kharaa River Basin
作者： Gunsmaa Batbayar , Martin Pfeiffer , Martin Kappas , Daniel Karthe
DOI: 10.1007/S13280-018-1123-Y
关键词:
摘要: Effective analytical tools, such as geographical information systems (GIS) and multivariate analysis, help to deal with spatial data complex interactions in watershed management. To investigate the impact of land-use on chemical water quality Mongolian Kharaa River Basin, whole catchment sub-catchments relation each sampling point were delineated. Chemical over three seasons was assessed GIS RDA a modeling approach forward selection variables cluster analysis. The most powerful predictors river altitude, settlements, forest, cropland, distance spring. In particular, this true when instead full sub-basins riparian buffer zones (max. 3 km) considered. From management perspective, implies that protection should be priority basin similar basins Mongolia Central Asia. Because its positive effects quality, forest closely coupled
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