中国地质调查2025，Vol.12Issue(1)：49-59,11.DOI:10.19388/j.zgdzdc.2023.288
锦州市西北部土地质量地球化学特征及其影响因素
Geochemical characteristics of land quality in the northwestern Jinzhou City and its influencing factors
摘要
Abstract
Jinzhou City is one of the largest crop cultivation cities,and the crop cultivation quality will directly af-fect the economic development in Jinzhou City.And the crop development is effected by the soil quality.In order to study the soil environmental quality and potential ecological hazards in the northwestern Jinzhou City,the au-thors took surface soil in Jinzhou City as the study object.The land quality geochemical assessment in the north-western Jinzhou City was conducted based on soil data obtained from the 1∶250 000 geochemical survey of land quality.The geochemical grade of soil enviomment results show that most of the soil in the the northwestern Jinzhou City is in a risk-free state,but Cd has certain risks.The soil fertility characteristics of the northwestern Jinzhou City are rich potassium and low phosphorus and nitrogen.The comprehensive geochemical grade of soil quality in the surface soil of the northwestern Jinzhou City is mainly the third one,with an area of 8 037 km2.The soil area of the second grade is 2 070 km2,and the soil area of the first grade is 143 km2.The geochemical char-acteristics of soil in the study area show that the Cd,Hg,Cl and Au is extremely mutant.This land is rich in Sr,Hg,Au,Mo,Cl and Cd,compared with land background value of Liao River Basin,and Cd is obviously higher than that in Liao River Basin.The soil type,parent material,and land use type could probably be the main influen-cing factors for Cd becoming a high risk of pollution.This research could provide basis for land resource planning,effi-cient and characteristic agricultural development,and ecological civilization construction of Jinzhou City.关键词
土地质量评价/地球化学评价/土壤环境评价/锦州市西北部Key words
land quality evaluation/geochemical evaluation/evaluation of soil environment/the northwestern Jinzhou City引用本文复制引用
蒋婷,王冠鸿,朱玺,罗敏玄,周钊,欧泽文..锦州市西北部土地质量地球化学特征及其影响因素[J].中国地质调查,2025,12(1):49-59,11.基金项目
中国地质调查局"辽西凌河地区综合地质调查(编号:DD20189711)"项目资助. （编号:DD20189711）
