中层层旋推动了亚热带太平洋地区的石出口增加
Claudia R Benitez-Nelson1, Robert R Bidigare, Tommy D Dickey
1Department of Geological Sciences and Marine Science Program, University of South Carolina, Columbia, SC 29208, USA. cbnelson@geol.sc.edu
Science (New York, N.Y.)
|May 19, 2007
概括
中等层次的旋可以促进海洋初级产量,但不能提高碳出口效率. 相反,这些旋充当了选择性氧,影响了海洋的生物地质化学.
科学领域:
- 海洋学 海洋学 海洋学
- 海洋生物地质化学海洋生物地质化学
- 生物海洋学 生物海洋学
背景情况:
- 介面尺度的旋会影响海洋的生态化学循环.
- 可以增加营养供应和初级生产在营养有限的水域.
- 生物的效率 (碳出口到初级生产) 对于碳捕获至关重要.
研究的目的:
- 为了研究冷核旋风旋对藻花朵的影响.
- 评估旋如何影响初级生产,社区生物质和碳出口效率.
- 了解旋在海洋生物地球化学和生物中的作用.
主要方法:
- 在冷核旋风旋中研究藻花的现场研究.
- 分析初级生产,社区生物质和规模组成.
- 评估碳出口比率和生物的功能.
主要成果:
- 埃迪的初级生产和社区生物质得到了显著的增强.
- 旋内部的二原子花显示了生物质的增加和尺寸组成的改变.
- 碳出口比率在很大程度上没有受到风的影响.
- 旋系统的功能是选择性氧.
结论:
- 中等层次的旋增强了初级生产,但不一定能提高碳出口效率.
- 强烈的热带合和低效的有机出口是温暖太平洋水域中受干扰的社区的特征.
- 可能充当选择性二氧化,影响营养循环和生物地球化学过程.
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