行政院國家科學委員會專題研究計畫成果報告:以地理統計與多變量分析辨別土壤污染控制場址之特性
Date Issued
2004
2004-07-31
Date
2004
2004-07-31
Author(s)
DOI
922211E002030
Abstract
Using factorial cokriging methods analyze the soil heavy metal concentration, by filtering spatial
variation on different scales in order to increase the cumulative percent of variance. In the north
of Changhua County, the variograms and cross-variograms can be modeled in three spatial
structures including nugget effect and two spherical structures with ranges of 160 and 2400m for
short-range and long-range spatial scales. In Chung Fu area of Taoyuan County, the variograms
and cross-variograms can be modeled in two spatial structures including two spherical structures
with ranges of 70 and 560m for short-range and long-range spatial scales. Using factor analysis
method on coregionalization matrices may interpret possible causes of soil heavy metal pollution
on different spatial scales. Each cumulative percent of variance of the first two factors on
different spatial scales is higher than those ignoring spatial scale.
Subjects
factorial cokriging
soil heavy metal pollution
heavy metals
spatial structures
Publisher
臺北市：國立臺灣大學生物環境系統工程學系暨研究所
Type
report
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