Spatial Variability of Heavy Metals in Soils and Its Affecting Factors in Shuangcheng City of Heilongjiang Province

SHI Wen-jiao; WEI Dan; WANG Jing-kuan; CHI Feng-qin; Li Shuang-yi

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Spatial Variability of Heavy Metals in Soils and Its Affecting Factors in Shuangcheng City of Heilongjiang Province

更新时间：2024-11-07

- Spatial Variability of Heavy Metals in Soils and Its Affecting Factors in Shuangcheng City of Heilongjiang Province
- Vol. 21, Issue 1, Pages: 59-64(2007)
- 作者机构：
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  CLC： S159.2X131.3
- Published：2007
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SHI Wen-jiao, WEI Dan, WANG Jing-kuan, et al. Spatial Variability of Heavy Metals in Soils and Its Affecting Factors in Shuangcheng City of Heilongjiang Province[J]. 2007, 21(1): 59-64.
DOI：

SHI Wen-jiao, WEI Dan, WANG Jing-kuan, et al. Spatial Variability of Heavy Metals in Soils and Its Affecting Factors in Shuangcheng City of Heilongjiang Province[J]. 2007, 21(1): 59-64. DOI：

摘要

采用地理信息系统（GIS）和地统计学相结合的方法

研究了黑龙江省双城市的土壤全量铜、锌、铅、镍、镉5种重金属元素的空间分异规律及其影响因子。结果表明：研究区土壤锌、镍、镉具有强烈的空间相关性

表明这3种元素受土壤内在属性影响较大;而铜、铅具有中等强度的空间相关性

表明这2种元素由土壤内在属性和人为因素共同起作用。镉、铅、铜较锌、镍的变程小

说明前3种重金属元素含量可能主要受到较小尺度因子的影响。研究区土壤各重金属元素空间分异规律如下：铜和镍呈东高西低的趋势

铅呈南高北低的趋势

而锌和镉分别表现为块状分布和岛状分布的特点。影响重金属元素空间分布的影响因子主要有自然因素（土壤类型、高程、土壤理化性质等）和人为因素（乡镇、道路、各种工厂等）。

Abstract

Geographic information system(GIS) combined with geostatistics was applied to reveal the spatial variability of heavy metals and its affecting factors including Cu

Ni and Cd in Shuangcheng of Heilongjiang province.The results showed that Zn

Ni and Cd had a strong spatial correlation

which were affected by intrinsic characteristics of soils

whereas the spatial correlation of Cu and Pb were moderate

indicating that they were affected by intrinsic properties of soil and random factors together.The ranges of Cd

Pb were smaller than that of Cu

Zn and Ni

indicating that the 3 former heavy metals were affected by smaller range factors.The spatial variability characters of heavy metals in studied area soils were as follows.The contents of Cu and Ni decreased from east to west

and contents of Pb decreased from south to north

whereas the distribution of Zn was block-like and Cd was insular.Intrinsic and random factors were the main factors of driving forces of the heavy metals'distributions.Intrinsic factors included soil types

the characteristics of soils

elevation and so on.Random factors included towns

roads

factories and so on.

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