Analysis on Spatial and Temporal Variation of China′s SO2 Pollution Based on Geostatistics
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Analysis on Spatial and Temporal Variation of China′s SO2 Pollution Based on Geostatistics
基于地统计学方法的我国SO2污染时空演变分析
Issue 5, (2005)
作者机构:
1. ,山西,太原,030051
2. 国家环境保护总局环境工程评估中心
3. 中国科学院地理科学与资源研究所
作者简介:
基金信息:
DOI:
CLC:
Published:2005
稿件说明:
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耿海青, 谷树忠, 侯西勇. Analysis on Spatial and Temporal Variation of China′s SO2 Pollution Based on Geostatistics[J]. 2005, (5).
DOI:
耿海青, 谷树忠, 侯西勇. Analysis on Spatial and Temporal Variation of China′s SO2 Pollution Based on Geostatistics[J]. 2005, (5).DOI:
Analysis on Spatial and Temporal Variation of China′s SO2 Pollution Based on Geostatistics
摘要
为反映我国SO2污染的时空演变规律
通过半方差分析和克里格空间内插法
对1990年
1995年和2000年主要城市的SO2年日均浓度进行了空间分析
发现SO2浓度空间分布的结构性在不断减弱
随机性有所增强
并且在总体改善的同时
污染中心有向西部转移的动向.
Abstract
In order to make clear the spatial and temporal variation of SO
2
in China
the average annual concentration of SO
2
in key cities of 1990
1995 and 2000 was analyzed based on the geostatistics that mainly include semivariogram and kriging.It is found that the structural or regional character of the SO
2
pollution has been weakened whereas the randomicity has been strengthened.The pollution was meliorated in the whole
but the center has the potential of moving to the western region.
关键词
Keywords
references
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