Spatially stratified sampling using auxiliary information for geostatistical mapping
Falk, Matt, Denham, Robert, & Mengersen, Kerrie (2011) Spatially stratified sampling using auxiliary information for geostatistical mapping. Environmental and Ecological Statistics, 18(1), pp. 93-108.
This paper presents a method of spatial sampling based on stratification by Local Moran’s I i calculated using auxiliary information. The sampling technique is compared to other design-based approaches including simple random sampling, systematic sampling on a regular grid, conditional Latin Hypercube sampling and stratified sampling based on auxiliary information, and is illustrated using two different spatial data sets. Each of the samples for the two data sets is interpolated using regression kriging to form a geostatistical map for their respective areas. The proposed technique is shown to be competitive in reproducing specific areas of interest with high accuracy.
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|Item Type:||Journal Article|
|Keywords:||Regression kriging, Local Moran's Ii, Spatial autocorrelation, Spatial sampling, Stratified sampling, Uncertainty|
|Subjects:||Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000)|
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000)
Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
Past > Schools > Mathematical Sciences
|Deposited On:||25 Aug 2011 08:14|
|Last Modified:||01 Mar 2012 04:58|
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