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Assessment of trace and heavy metal distribution by four sequential extraction procedures in a contaminated soil
fractionation metals mining activities pollution
2015/3/9
Four sequential extraction procedures (Sposito, Tessier, Silveira and Bureau Communautaire de Reference (BCR)) were used to evaluate the distribution of some metals (Fe, Cu, Cd and Zn) in a contaminat...
GIS-based assessment of land suitability for alfalfa cultivation: a case study in the dry continental steppes of northern China
land suitability GIS MCDA Fuzzy analysis AHP Medicago sativa dry continental steppes
2014/10/24
Alfalfa (Medicago sativa L.) is the most valuable perennial forage grass in northern China. We selected 12 ecological criteria and 4 socioeconomic criteria to calculate the suitability of land for alf...
Based on Universal Soil Loss Equation and methods of mathematics model and GIS analysis, this study classified influence of precipitation, soil, topography and vegetation upon sensitivity ...
Abstract: Based on the analyses of water interactions and water balance, this paper discusses the issues on the assessment and regulation of soil water resources, which lays the scientific basis for l...