[1]ZANG Liang,ZHANG Guijun,ZHANG Hui,et al.Assessment on Spatial Variability and Pollution of the Heavy Metal in Soil of Huanghua City[J].Research of Soil and Water Conservation,2017,24(05):337-342.
Copy
Assessment on Spatial Variability and Pollution of the Heavy Metal in Soil of Huanghua City
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
24
Number of periods:
2017 05
Page number:
337-342
Column:
Public date:
2017-10-28
- Title:
- Assessment on Spatial Variability and Pollution of the Heavy Metal in Soil of Huanghua City
- Keywords:
- soil; spatial distribution pattern; semi variation function; heavy metal pollution; Huanghua City
- CLC:
- X53
- DOI:
- -
- Abstract:
- To study the influences of the industrial and high-speed economic development on the soil quality in the ecologically fragile zones of Bohai Sea coast, we took Huanghua as the study area to analyze the spatial distribution and contamination situation of Pb, Hg, Cd, Cr, As, Cu, Zn and Ni, through geostatistical method. The results show that the average contents of Pb, Cd, Cu in the samples exceed the background values in Hebei Province, the other elements contents do not exceed the average value, and the average contents of all elements fall into the scope of the national soil quality secondary standards. According to variogram fitting, it is found that six elements of Pb, Hg, Cd, Cr, As, Cu fit to exponential model, and Zn, Ni fit to the spherical model. The basal effects of Pb, Cd, and Zn are between 75% and 25%, and the spatial autocorrelation is general, and the spatial distribution pattern is disturbed by the external environment. Other element matrix effect values are less than 25%, their spatial autocorrelation levels are higher, and the outside environment makes a small influence on their spatial autocorrelation. According to Nemerow pollution index and Kriging interpolation prediction it is found that the contents of Pb, Cd, Cu are high and discretely distribute in the region, the contents of Pb, Cd, Cu are low and continuously distribute in the region. The As as an island continuously distributes in several regions; and the Hg element distributes in Huanghua County as scattered dots. By calculating the Nemerow pollution index, the pollution indexes of soil in Huanghua City are mostly between 2.0 and 1.0, which is slightly polluted; the center of the town of Lvqiao and the western part of the town of Qijiawu belong to the most polluted areas, whose pollution indexes are highest. Industrial production and the geological environment are the main reasons for heavy metal element spatial distribution.
- References:
-
[1] 钟巧,王勇辉,焦黎.夏尔希里地区土壤重金属含量特征及空间变异分析[J].水土保持研究,2016,23(3):360-365.
[2] 陈惠芳,李艳,吴豪翔,等.富阳市不同类型农田土壤重金属变异特征及风险评价[J].生态与农村环境学报,2013,29(2):164-169.
[3] 王本伟.长江中下游典型地区土壤:水稻系统重金属累计状况及影响因素分析[D].南京:南京农业大学,2012.
[4] 景丽洁,马甲.火焰原子吸收分光光度法测定污染土壤中5种重金属[J].中国土壤与肥料,2009,20(2):74-77.
[5] 杨亚鸽,崔立强,全桂香.原子吸收光谱法测定污染土壤中铅和镉的形态[J].光谱实验室,2013,30(2):991-994.
[6] 曲衍波.基于GIS的山区县域土地生态安全评价与土地利用优化调控研究[D].山东泰安:山东农业大学,2008.
[7] 徐建华.现代地理学中的数学方法[M].北京:高等教育出版社,2002.
[8] 陈宗娟,张倩,张强,等.天津东南部某区域不同土地利用方式下土壤重金属的累积特征[J].生态与农村环境学报,2015,31(2):166-173.
[9] 周生路.土地评价学[M].南京:东南大学出版社,2006.
[10] 喻鹏,马腾,唐仲华,等.江汉—洞庭平原农业土壤重金属综合评价[J].江苏大学学报:自然科学版,2015,36(5):550-556.
[11] 庄腾飞,柳云龙,章立佳,等.上海城郊土壤重金属含量的空间变异与分布特征:以上海市闵行区为例[J].长江流域资源与环境,2012,21(Z1):99-104.
[12] 许文强,罗格平,陈曦,等.天山北坡绿洲土壤有机碳和养分时空变异特征[J].地理研究,2006,25(6):1013-1021.
[13] 张敏.基于GIS和地统计学的土壤养分空间变异研究[D].郑州:河南农业大学,2010.
[14] 刘爱利,王培法丁园圆,等.地统计学概论[M].北京:科学出版社,2012.
- Similar References:
Memo
-
Last Update:
1900-01-01