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Sampling strategies for finding contaminated land

Authors
Journal
Applied Geography
0143-6228
Publisher
Elsevier
Publication Date
Volume
7
Issue
3
Identifiers
DOI: 10.1016/0143-6228(87)90033-6
Disciplines
  • Mathematics

Abstract

Abstract Sampling approaches aimed at finding contamination on and beneath the land surface are discussed, compared, and illustrated. Random sampling is the best choice when pre-sampling research shows that multiple and elongated ellipses of contamination will be found in a regular geometric configuration, and the objective of sampling is to minimize the chances of completely missing contamination. If missing small targets is not important, and if a simple layout of the sampling sites is important, then a hexagonal sampling grid should be used if contaminants are likely to be uniformly mixed with other materials or randomly located on the site.

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