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DOI10.1175/JCLI-D-18-0221.1
Impact of Tropical Cyclones on the Global Ocean: Results from Multidecadal Global Ocean Simulations Isolating Tropical Cyclone Forcing
Li, Hui1,2; Sriver, Ryan L.1
2018-11-01
发表期刊JOURNAL OF CLIMATE
ISSN0894-8755
EISSN1520-0442
出版年2018
卷号31期号:21页码:8761-8784
文章类型Article
语种英语
国家USA
英文摘要

Tropical cyclone (TC)-induced ocean vertical mixing can alter the upper-ocean temperature structure, influencing ocean heat content variability and meridional ocean heat transport. TC-ocean interactions can influence tropical variability on seasonal to interannual time scales. Here the impacts of TCs on the global ocean and the associated feedbacks are investigated using a hierarchy of high-resolution global ocean model simulations featuring the Community Earth System Model (CESM). The aim is to understand the potential impact of the model's self-generated transient TC events on the modeled global ocean. Two ocean-only simulations are performed using the atmosphere boundary conditions from a fully coupled preindustrial CESM simulation configured with 0.25 degrees atmosphere resolution and the nominal 1 degrees ocean resolution (with similar to 0.25 degrees meridional resolution in the tropics). The high-resolution coupled model is capable of directly simulating TC events with wind structure and climatology generally consistent with observations. TC effects at the ocean-atmosphere boundary are filtered out in one of the ocean simulations (OCN_FILT) while fully retained in the other (OCN_TC) in order to isolate the effect of the TCs on regional and global ocean variability across multiple time scales (from intraseasonal to interdecadal). Results show that the model-simulated TCs can 1) alter surface and subsurface ocean temperature patterns and variability; 2) affect ocean energetics, including increasing ocean mixed layer depth and strengthening subtropical gyre and meridional overturning circulations; and 3) influence ocean meridional heat transport and ocean heat content from seasonal to interannual time scales. Results help provide insights into the model behavior and the physical nature of the effect of TCs within the Earth system.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000450854800004
WOS关键词EARTH SYSTEM MODEL ; HIGH WIND SPEEDS ; HEAT-TRANSPORT ; CIRCULATION ; RESOLUTION ; CLIMATE ; SENSITIVITY ; INTENSITY ; FLUX
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/19772
专题气候变化
作者单位1.Univ Illinois, Dept Atmospher Sci, Urbana, IL 61801 USA;
2.Yale Univ, Dept Geol & Geophys, New Haven, CT 06520 USA
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Li, Hui,Sriver, Ryan L.. Impact of Tropical Cyclones on the Global Ocean: Results from Multidecadal Global Ocean Simulations Isolating Tropical Cyclone Forcing[J]. JOURNAL OF CLIMATE,2018,31(21):8761-8784.
APA Li, Hui,&Sriver, Ryan L..(2018).Impact of Tropical Cyclones on the Global Ocean: Results from Multidecadal Global Ocean Simulations Isolating Tropical Cyclone Forcing.JOURNAL OF CLIMATE,31(21),8761-8784.
MLA Li, Hui,et al."Impact of Tropical Cyclones on the Global Ocean: Results from Multidecadal Global Ocean Simulations Isolating Tropical Cyclone Forcing".JOURNAL OF CLIMATE 31.21(2018):8761-8784.
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