globalchange  > 气候减缓与适应
DOI: 10.1038/NGEO2438
论文题名:
Pacific origin of the abrupt increase in Indian Ocean heat content during the warming hiatus
作者: Lee S.-K.; Park W.; Baringer M.O.; Gordon A.L.; Huber B.; Liu Y.
刊名: Nature Geoscience
ISSN: 17520894
出版年: 2015
卷: 8, 期:6
起始页码: 445
结束页码: 449
语种: 英语
Scopus关键词: global climate ; global ocean ; global warming ; heat flux ; heat transfer ; hiatus ; La Nina ; net radiation ; sea ice ; sea surface temperature ; throughflow ; top of atmosphere ; twentieth century ; Indian Ocean ; Indonesia ; Pacific Ocean ; Pacific Ocean (Tropical)
英文摘要: Global mean surface warming has stalled since the end of the twentieth century1,2, but the net radiation imbalance at the top of the atmosphere continues to suggest an increasingly warming planet. This apparent contradiction has been reconciled by an anomalous heat flux into the ocean3-8, induced by a shift towards a La Niña-like state with cold sea surface temperatures in the eastern tropical Pacific over the past decade or so. A significant portion of the heat missing fromthe atmosphere is therefore expected to be stored in the Pacific Ocean. However, in situ hydrographic records indicate that Pacific Ocean heat content has been decreasing9. Here, we analyse observations along with simulations from a global ocean sea ice model to track the pathway of heat. We find that the enhanced heat uptake by the Pacific Ocean has been compensated by an increased heat transport from the Pacific Ocean to the Indian Ocean, carried by the Indonesian throughflow. As a result, Indian Ocean heat content has increased abruptly, which accounts for more than 70% of the global ocean heat gain in the upper 700m during the past decade. We conclude that the Indian Ocean has become increasingly important in modulating global climate variability. © 2015 Macmillan Publishers Limited. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/106170
Appears in Collections:气候减缓与适应
科学计划与规划

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作者单位: Cooperative Institute for Marine and Atmospheric Studies, University of Miami, Miami, FL, United States; Atlantic Oceanographic and Meteorological Laboratory, NOAA, Miami, FL, United States; GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany; Lamont-Doherty Earth Observatory, Earth Institute, Columbia University, Palisades, NY, United States

Recommended Citation:
Lee S.-K.,Park W.,Baringer M.O.,et al. Pacific origin of the abrupt increase in Indian Ocean heat content during the warming hiatus[J]. Nature Geoscience,2015-01-01,8(6)
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