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Impacts of Global Change on Ocean Dissolved Organic Carbon (DOC) Cycling
Frontiers in Marine Science ( IF 3.7 ) Pub Date : 2020-06-23 , DOI: 10.3389/fmars.2020.00466
Christian Lønborg , Cátia Carreira , Tim Jickells , Xosé Antón Álvarez-Salgado

The marine dissolved organic carbon (DOC) pool is an important player in the functioning of marine ecosystems. DOC is at the interface between the chemical and the biological worlds, it fuels marine food webs, and is a major component of the Earth’s carbon system. Here, we review the research showing impacts of global change stressors on the DOC cycling, specifically: ocean warming and stratification, acidification, deoxygenation, glacial and sea ice melting, changed inflow from rivers, changing ocean circulation and upwelling, and wet/dry deposition. A unified outcome of the future impacts of these stressors on the global ocean DOC production and degradation is not possible, due to regional differences and differences in stressors impacts, but general patterns for each stressor are presented.

中文翻译:

全球变化对海洋溶解有机碳 (DOC) 循环的影响

海洋溶解有机碳 (DOC) 池是海洋生态系统功能的重要参与者。DOC 位于化学世界和生物世界之间的界面,它为海洋食物网提供燃料,并且是地球碳系统的主要组成部分。在这里,我们回顾了显示全球变化压力因素对 DOC 循环影响的研究,特别是:海洋变暖和分层、酸化、脱氧、冰川和海冰融化、河流流入的变化、海洋环流和上升流的变化以及湿/干沉积. 由于区域差异和压力源影响的差异,这些压力源对全球海洋 DOC 产生和退化的未来影响的统一结果是不可能的,但提供了每个压力源的一般模式。
更新日期:2020-06-23
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