Cokriging of heavy metals as an aid to biogeochemical mapping

被引：9
|
作者：
Rosenbaum, MS
Soderstrom, M
机构：
[1] UNIV GOTHENBURG,DEPT PHYS GEOG,CTR EARTH SCI,S-41320 GOTHENBURG,SWEDEN
[2] UNIV LONDON IMPERIAL COLL SCI TECHNOL & MED,DEPT GEOL,LONDON SW7 2BP,ENGLAND
来源：
ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE | 1996年 / 46卷 / 01期
关键词：
biogeochemistry; cadmium; geoinformation; geostatistics; GIS; zinc;
D O I：
10.1080/09064719609410940
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
Biogeochemical maps determined from the distribution of sparsely sampled cadmium have been improved by the incorporation of more densely sampled zinc with which it is correlated and by the application of cokriging. The inherent variability of both elements, together with their correlation with each other, can be accounted for in terms both of multivariate statistics and spatial position using the ''variogram''. A measure of reliability of estimation provided by cokriging enhances the design of future biogeochemical mapping programmes.
引用
收藏
页码：1 / 8
页数：8
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