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- W2008667795 abstract "Risk analysis with spatial interpolation methods from a regional database on to a continuous surface is of contemporary interest. Groundwater arsenic poisoning in Bangladesh and its impact on human health has been one of the “biggest environmental health disasters” in current years. It is ironic that so many tubewells have been installed in recent times for pathogen-free drinking water but the water pumped is often contaminated with toxic levels of arsenic. This paper seeks to analyse the spatial pattern of arsenic risk by mapping composite “problem regions” in southwest Bangladesh. It also examines the cokriging interpolation method in analysing the suitability of isopleth maps for different risk areas. GIS-based data processing and spatial analysis were used for this research, along with state-of-the-art decision-making techniques. Apart from the GIS-based buffering and overlay mapping operations, a cokriging interpolation method was adopted because of its exact interpolation capacity. The paper presents an interpolation of regional estimates of arsenic data for spatial risk mapping that overcomes the areal bias problem for administrative boundaries. Moreover, the functionality of the cokriging method demonstrates the suitability of isopleth maps that are easy to read." @default.
- W2008667795 created "2016-06-24" @default.
- W2008667795 creator A5044400132 @default.
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- W2008667795 date "2007-10-16" @default.
- W2008667795 modified "2023-09-25" @default.
- W2008667795 title "Arsenic risk mapping in Bangladesh: a simulation technique of cokriging estimation from regional count data" @default.
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- W2008667795 doi "https://doi.org/10.1080/10934520701564210" @default.
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