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Climate extremes drive changes in Antarctic Bottom Water | |
admin | |
2020-11-17 | |
发布年 | 2020 |
语种 | 英语 |
国家 | 英国 |
领域 | 资源环境 |
正文(英文) | British Antarctic Survey contributes to new international study that finds a surprising increase in the amount of dense water sinking near Antarctica, following 50 years of decline. Dense water formed near Antarctica, known as Antarctic Bottom Water, supplies oxygen to the deep ocean. Bottom water also forms part of the global network of ocean currents that influences climate by storing heat and carbon dioxide in the ocean. Changes in bottom water formation can therefore impact global climate and deep ocean ecosystems. The study, led by Dr Alessandro Silvano from the University of Southampton and CSIRO and published in the journal Nature Geoscience, documents an increase in the supply of bottom water to the deep Indian and Pacific Oceans. “Over the past 50 years of oceanographic campaigns we have seen a reduction in the amount of dense water reaching the deep ocean’ Dr Silvano said.
Co-author Annie Foppert, from the Australian Antarctic Program Partnership and CSIRO’s Centre for Southern Hemisphere Oceans Research, said,
Co-author Professor Paul Holland, leader of the Shelf Seas group within the Polar Oceans team at British Antarctic Survey, explains,
The international study involved scientists from Australia (CSIRO, the Centre for Southern Hemisphere Oceans Research, the Australian Antarctic Program Partnership), U.K. (University of Southampton and British Antarctic Survey), Italy (Parthenope University), Japan (National Institute of Polar Research and the University of Tokyo) and the U.S.A. (Princeton University and Woods Hole Oceanographic Institution). Read the paper ‘Recent recovery of Antarctic Bottom Water formation in the Ross Sea driven by climate anomalies’ by Alessandro Silvano, Annie Foppert, Stephen R. Rintoul, Paul R. Holland, Takeshi Tamura, Noriaki Kimura, Pasquale Castagno, Pierpaolo Falco, Giorgio Budillon, F. Alexander Haumann, Alberto C. Naveira Garabato & Alison M. Macdonald in Nature Geoscience here: https://www.nature.com/articles/s41561-020-00655-3 |
URL | 查看原文 |
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/304721 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | admin. Climate extremes drive changes in Antarctic Bottom Water. 2020. |
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