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Special issue on how oceans are changing | |
admin | |
2018-05-14 | |
发布年 | 2018 |
语种 | 英语 |
国家 | 英国 |
领域 | 资源环境 |
正文(英文) | The seas around the Antarctic Peninsula are biologically extremely rich, but are climatically sensitive, having experienced some of the fastest warming globally in recent decades. A special issue of the journal Philosophical Transactions of the Royal Society A published this week (14 May 2018) puts this region in the spotlight with a combination of the latest research on how it is being affected by environmental change. The special issue brings together contributions from international marine scientists from 28 institutes who study the region’s ocean dynamics, biology, chemical oceanography and biogeochemistry. As well as presenting new research, this issue contains synthesis papers, and a “horizon scanning” introduction to address the outstanding research questions and knowledge gaps that exist in the field.
One featured paper led by British Antarctic Survey (BAS) shows that calving of giant icebergs in Antarctica can increase biological productivity and sequestration of carbon at the seabed. When giant icebergs break off ice shelves, many things happen – the spaces opened up can act as important new sinks for carbon, the icebergs fertilize the water column as they travel making additional mobile carbon sinks, and they can collide with the seabed recycling the carbon within the system.
When the Larsen C iceberg broke away in July 2017 it exposed around 5,818 km2 of seabed. The creation of open water above a potentially productive seabed is significant for enhancing regional biodiversity, which is important for long-term storage of carbon. Even if it is only in the first few years of new colonisation and productivity, newly exposed shelf areas clearly capture and store carbon more rapidly than ‘normal’ annual incremental growth. The marine system of the West Antarctic Peninsula: status and strategy for progress is published in the Philosophical Transactions of the Royal Society A on 14 May 2018, with support from the Southern Ocean Observing System (SOOS). Read the collection of 14 papers here
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来源平台 | British Antarctic Survey |
文献类型 | 新闻 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/233791 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. Special issue on how oceans are changing. 2018. |
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