【2h】

Deciphering ocean carbon in a changing world

机译:在瞬息万变的世界中解读海洋碳

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摘要

Dissolved organic matter (DOM) in the oceans is one of the largest pools of reduced carbon on Earth, comparable in size to the atmospheric CO2 reservoir. A vast number of compounds are present in DOM, and they play important roles in all major element cycles, contribute to the storage of atmospheric CO2 in the ocean, support marine ecosystems, and facilitate interactions between organisms. At the heart of the DOM cycle lie molecular-level relationships between the individual compounds in DOM and the members of the ocean microbiome that produce and consume them. In the past, these connections have eluded clear definition because of the sheer numerical complexity of both DOM molecules and microorganisms. Emerging tools in analytical chemistry, microbiology, and informatics are breaking down the barriers to a fuller appreciation of these connections. Here we highlight questions being addressed using recent methodological and technological developments in those fields and consider how these advances are transforming our understanding of some of the most important reactions of the marine carbon cycle.
机译:海洋中的溶解性有机物(DOM)是地球上最大的还原碳库之一,其大小可与大气中的CO2储集层相媲美。 DOM中存在大量化合物,它们在所有主要元素循环中均起着重要作用,有助于海洋中二氧化碳的存储,支持海洋生态系统并促进生物之间的相互作用。 DOM循环的核心是DOM中的各个化合物与产生和消耗它们的海洋微生物组成员之间的分子水平关系。过去,由于DOM分子和微生物的绝对数字复杂性,这些联系一直没有明确定义。分析化学,微生物学和信息学的新兴工具正在打破阻碍人们更充分地理解这​​些联系的障碍。在这里,我们重点介绍使用这些领域的最新方法和技术发展所解决的问题,并考虑这些进展如何改变我们对海洋碳循环最重要反应的理解。

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