A New Spatiotemporal Risk Index for Heavy Metals: Application in Cyprus
作者： Christos G Karydas , Ourania Tzoraki , Panos Panagos
DOI: 10.3390/W7084323
关键词: Drainage basin 、 Spatial ecology 、 Heavy metals 、 Risk index 、 Cell size 、 Choropleth map 、 Land use 、 Environmental science 、 Hydrology 、 Risk assessment
摘要: The main aim of this research was to improve risk mapping heavy metals by taking account erosion effects. A new spatiotemporal index, namely the G2met is introduced, with integration pre-existing methodologies (Hakanson, EPM, and G2). index depicted as a series maps for each metal on month-time step. southern part Cyprus Island selected study area. Concentration major extracted soil sampling in grid 5350 sites. Rainfall, vegetation, soil, land use, topographic, hydrologic data were collected from existing European or global databases (WorldClim, BioBar, REDES, ESDAC, CORINE, ASTER GDEM, USGS). large number regional-scale (with 500-m cell size) created: one totally per month annually; addition, choropleth terms statistics river basin produced every metal. Generally, resulted different spatial patterns comparison those Hakanson alone.
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