环境保护科学2026，Vol.52Issue(3)：66-75,10.DOI:10.16803/j.cnki.issn.1004-6216.202507030
益阳市黑臭水体底泥污染特征及疏浚深度判定研究
Sediment pollution characteristics and dredging depth determination of black-odorous water bodies in Yiyang
摘要
Abstract
Sediments from Maliang Lake,Jiechengdi Canal and Baimashan Canal in Yiyang were selected as research objects.The pollution characteristics of heavy metals as well as nitrogen and phosphorus nutrients were analyzed,and the environmental dredging depth was determined by combining multiple pollution assessment methods and sediment-water partition equilibrium experiments.The results showed that significant differences in sediment pollution were observed among different water bodies.The sediments of Maliang Lake were mainly polluted by Cd and Hg.Jiechengdi Canal was primarily affected by Zn,Cd,Hg and Ni.Severe pollution of Cu,Zn,Cd,Hg,Ni and As was detected in Baimashan Canal.Nutrients were generally enriched in the surface sediments.The secondary standard of original soil quality was verified to be suitable as the main reference for determining the dredging depth.关键词
黑臭水体/重金属污染/营养盐污染/底泥疏浚Key words
black-odorous water bodies/heavy metal pollution/pollution of nitrogen and phosphorus nutrients/sediment dredging分类
资源环境引用本文复制引用
赵天亮,李紫辉,张玲,冀广鹏..益阳市黑臭水体底泥污染特征及疏浚深度判定研究[J].环境保护科学,2026,52(3):66-75,10.基金项目
云南省科技厅重大专项课题(202202AG050019) （202202AG050019）
