文档介绍：Distribution and Origin of Cr and Ni in the Shallow
Groundwater Along Kuihe River, China
Dinglong Li, Xin Ren, Jin Na, Wenyi Zhang, Jin Na, Jianfeng Ma, Zhijun Zhang
School of Environmental & Safety Engineering, Jiangsu Polytechnic University, Changzhou 213164, China.
E-mail: ******@jpu.
Abstract—In order to study the distribution and the origin of Cr an area of 9787 km2, accounting for % of the province's
and Ni in the shallow groundwater in Yongqiao area along total area. Kuihe River, a tributary of Huaihe River, flows
Kuihe River, we sampled the shallow groundwater from the both through this area. The region owns quite different landscape
sides of the Kuihe Rive in Yongqiao area of Suzhou Anhui types which can be divided into three types, . hill, plateau,
province, China. The results showed that a large area of the and plain in general. It is a warm temperate semi-humid
shallow groundwater was polluted by heavy metals in this region. monsoon climate zone, with cold and dry winter, hot and rainy
Along the river direction, Cr concentrations increased gradually, summer. Multi-year average precipitation is mm, mainly
and Ni concentrations were high in the middle reach of Kuihe concentrated from June to August. The other 9 months are dry
River. Cr and Ni concentrations of groundwater in the region season or flat water period.
near t