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九龙江河口区不同粒级^210Po的输入-迁出速率及其意义 被引量:3

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摘要 对九龙江河口区表层水中溶解态、低分子量组分和胶体态^(210)Po的地球化学行为进行了分析,估算了3种组分的输入-迁出速率.结果表明,溶解态和低分子量组分^(210)Po均表现出强烈的迁出行为,胶体态^(210(Po在低盐区(S<15)迁出而高盐区(S>15)输入.3种组分^(210)PoO输入-迁出速率揭示了^(210)Po在九龙江河口区被快速地迁出.输入与近出速率之间的差异反映了各组分^(210)Po地球化学行为的不同.低分子量组分^(210)Po比通常所谓的溶解态^(210)Po更适合于表征其在河口区的地球化学行为.
机构地区 厦门大学海洋系
出处 《科学通报》 EI CAS CSCD 北大核心 2003年第17期1872-1875,共4页 Chinese Science Bulletin
基金 国家自然科学基金(批准号:40076024) 中国大洋矿产资源研究开发协会国际海底区域研究开发计划(DY105-02-4、DY105-02-01和DY105-01-04-11)的资助.
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