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地中海黄色物质次表层极大值的季节变化观测

DOI: 10.3969/j.issn.02534193.2013.02.005, PP. 35-42

Keywords: Bio-Argo,地中海,黄色物质,季节变化,叶绿素a

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Abstract:

首次通过2008—2009年在西北地中海和东地中海海域投放的两台Bio-Argo浮标的观测数据,分析与研究了该海区黄色物质次表层极大值的季节变化规律。研究表明次表层黄色物质在夏季开始爆发,伴随着叶绿素a浓度的逐渐降低;到冬季在强烈的垂向混合作用下结束。且黄色物质极大值的深度与叶绿素a浓度极大值(DCM)的深度基本一致,说明虽然黄色物质与浮游植物之间并不存在直接联系,但浮游植物的降解是黄色物质的主要来源。文中推测,可能由于该海区浮游植物与微生物的强耦合,导致了黄色物质与叶绿素a之间存在明显的反变关系。

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