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地球学报  2011 

青岛市生态地球化学预测与预警研究

DOI: 10.3975/cagsb.2011.04.08

Keywords: 预测预警,土壤元素,时空变化,青岛市

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Abstract:

以山东省东部地区农业生态地球化学调查取得的区域地球化学数据为依据,对青岛市生态环境进行现状预警,划分了4类11片生态地球化学预警区。以青岛北部地区(2200km2)2003年和2007年(本次调查)两批区域调查资料为基础,采用数理统计、相关分析、图件对比等方法,研究土壤元素时空变化,结果表明,4年间土壤中P、OrgC、Ba、La、Ag、B、W、Ga、Ge、Co等元素明显积累,N、Bi、Hg、Cd、Au、OrgC、Pb等元素局部积累现象突出,土壤酸化(pH下降)显著,应引起重视。重点预测了Cd、Hg元素在未来30年内的环境质量变化,并提出建议。

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