Study on the Evaluation of Heavy Metal Pollution in Soil of Tea Plantations in Karst Mountain Areas Based on GIS
- DOI
- 10.2991/mmebc-16.2016.367How to use a DOI?
- Keywords
- Plateau Mountains; Tea Production Areas; Soil Heavy Metals; Geoprocessing; Evaluation
- Abstract
To understand the soil environment quality of tea producing region in Plateau Mountainous area, the evaluation model of heavy metals pollution in soil was built by adopting both the single pollution index method and Nemerow multi-factor index method combined with ArcGIS Geostatistical Analyst and Model Builder Geoprocessing, which realized the modeling and automation of the soil environment quality. The content levels and spatial distribution characteristics of heavy metals such as Hg, As, Cd, Pb and Cr were analyzed though choosing typical research area. The results showed that Nemerow multi-factor index was 0.502, belonging to clear level and all the mean values of soil heavy metal elements belonged to clear level. The coefficient variation of Pb was the biggest, which indicated that the external pollution was remarkable. The correlation coefficient of Cd and Pb was the biggest, presenting a character of the same source of pollution. The high content of Cd was distributed in the north. There were different degrees of point source pollution of heavy metals in parts of the east, north and west, and there was no soil heavy metals pollution in the south.
- Copyright
- © 2016, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Denghong Huang AU - Zhongfa Zhou AU - Yajuan Chen AU - Zhiling Huang PY - 2016/06 DA - 2016/06 TI - Study on the Evaluation of Heavy Metal Pollution in Soil of Tea Plantations in Karst Mountain Areas Based on GIS BT - Proceedings of the 2016 6th International Conference on Machinery, Materials, Environment, Biotechnology and Computer PB - Atlantis Press SP - 1814 EP - 1821 SN - 2352-5401 UR - https://doi.org/10.2991/mmebc-16.2016.367 DO - 10.2991/mmebc-16.2016.367 ID - Huang2016/06 ER -