天津?yàn)I海中心區(qū)綠地重金屬含量特征及風(fēng)險(xiǎn)評(píng)價(jià)研究

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中圖分類號(hào)：X820.4

文章編號(hào)：1674-6139（2025）07-0178-05

文獻(xiàn)標(biāo)志碼：B

Characteristics and Risk Evaluation of Heavy Metal Content in Greenland of Tianjin Binhai Center Area

Li Shuo’，Hou Jiantao2，Gao Hongsheng'，Wu Jin2，Ma Wuming （1.Tianjin Institute of Geological Survey，Tianjin 300191，China； 2.Tianjin Monitoring Central Station of Geological Environment，Tianjin 3Oo191，China）

Abstract：Inodertovestigatethedistributionpolltionessment，andpotentalecolgicalissofametalsineee spacesoftheBnhaiCentralDistrict，17soilsamplesfromteseareaswereanalyed.Theconcentrationsofeightheavymetals（Cr，Ni， Cu，Zn，Pb，AsHg，d）ndpeesereesudUsingomprativenalysis，eosatisticalalysis，ltionldided theimprovedHankansonecologicalriskindex，thestudyrevealedthefolowingresults：Althoughtheheavymetalconcentrationsinthe green space soils did not exceed the Level II screening values，there was a certain degree of accumulation.The concentration of Cr，Ni， Cu，Zn， Pb ，andCdwashighestinthesoutheast，folowedbythecentralregion，andthenthenorthwest.Hgconcentrationwas highest inthecentralgiongreaterthanthatintesoutheastandorthwestareas.HighconcentratiosfAsweredistrbutedtrouhotee gion，withthepriaryaluelcatedinesotheastetetialcoloicalisksssetidicatedattedyeais at moderate ecological risk，with Hg and Cd being the main contributing factors.Points of strong and very strong ecological risk are mainlylocated in thesoutheastern part of the studyarea，near the transportation routes leading to TianjinPort.

Keywords：green space；heavy metal；environmental assessment；ecological risk

前言

城市綠地是城市生態(tài)系統(tǒng)的重要組成部分，具有重要的生態(tài)、經(jīng)濟(jì)、社會(huì)和景觀效益[1]。（剩余4956字）