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时间:2020-05-22
《金矿区土壤特征污染物分布特征初步研究-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、吉林农业科学2013,38(5):40—43JournalofJilinAgriculturalSciences文章编号:1003—8701f2013)05—0040—04金矿区土壤特征污染物分布特征初步研究杨春雨一,张刚,殷世忠,冉欣,王媛4,王宁,高丽双(1.吉林东北煤炭工业环保研究有限公司,长春130062;2.东北师范大学环境学院,长春130024;3.东北电力设计院,长春130021;4吉林省环境科学研究院,长春130021)摘要:为研究金矿开采区土壤典型污染物空间分布特征,2012年4月在夹皮沟金矿区内按网格法布点,采集了28处土壤样品,对样品pH值、有机质、碱解氮、速效
2、磷及土壤总汞含量进行测定,并分析了上述各因子间相关关系。研究表明:矿区内土壤有机质含量空间分布呈现两个数量级的宽幅波动,该现象与区内存在的复杂的各类农田土壤侵蚀过程作用有关。土壤碱解氮和速效磷含量空间变化相对较小,且二者间存在一定的正线性相关关系,推断氮磷主要源于农田施肥。矿区内土壤总汞含量介于0.094~0.136mg/kg间,土壤汞污染程度明显降低;且土壤总汞含量与pH值、有机质、碱解氮和速效磷之间无线性相关关系。关键词:矿区;农田;土壤;氮磷;汞中图分类号:X75文献标识码:AAPreliminaryStudyontheDistributionCharaCteristicsto
3、TypicalPollutantsofSoiIinGoldMiningAreaYANGChunyu一,ZHANGGang,YINShi-zhong。,RANXin,WANGYuan,WANGNing,GAOLishuang(1.JilinNortheastCoalIndustryEnvironmentalProtectionResearchCo.,Ltd.Changchun130062;2.SchoolofEnvironment,NortheastNormalUniversity,ChangChun130024;3.NortheastElectricPowerDesignInstit
4、ute,Changchun130021;4.AcademyofEnvironmentalSciencesResearchofJilinProvince,Changchun130024,China)Abstract:Inordertostudythespatialdistributioncharacteristicsoftypicalpollutantsofsoilingoldminingarea,28soilsampleshadbeencollectedaccordingtothemethodofgridinJiapigougoldmineinApril,2012.Indexesof
5、pH,organicmatter,availableN,availablePandtotalmercurycontentofsoilCrSM)hadbeendeterminedandthenthelinearrelationshipsamongthemhadbeenanalyzed,simultaneously.Theresultsshowedthatintheminingareathespatialdistributionoftheorganicmattersappearedthefrequencyofwidefluctuationsintwoordersofmagnitudean
6、ditmayberelatetothephenomenonofallkindsofsoilero-sionprocessesinthearea.Moreover,thecontentsofavailableNandavailablePofsoilwererelativelysmallinspatialvariationandtherewasacertainpositivelinearrelationshipbetweenthem,whichwasinferredtoapplicationoffertilizers.Inaddition,theTSMintheminingarearan
7、gedfrom0.094mg/kgto0.136mg/kg,whichindicatedthatsoilmercurypollutionslowdownobviouslyandnolinearrelationshipsbetweenthatwithpH,organicmatter,availableNandavailableP.Keywords:Miningarea;Farmland;Soil;Nitrogenandphosphorus;Mercury收稿
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