Teleconnection of IOD signal in the upper troposphere over southern high latitudes |
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| Authors: | Na Liu Hong-Xia Chen Lian-Gang Lü |
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| Institution: | (1) Key Laboratory of Marine Science and Numerical Modeling, The First Institute of Oceanography, State Oceanic Administration, Qingdao, 266061, China |
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| Abstract: | Evidence has been found for the teleconnection of Indian Ocean Dipole mode (IOD) events in the southern high latitude sea
surface pressure field, although the mechanisms that might lead to such far-reaching links remain unresolved. Based on the
teleconnection pattern between IOD and the climate anomaly in the upper troposphere, we propose one such mechanism here: the
energy propagation theory of the atmospheric planetary wave. Ray traces of the atmospheric planetary waves suggest that the
energy propagation of the waves could be responsible for the teleconnection between IOD and tropospheric climate anomalies
in southern high latitudes. |
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| Keywords: | Indian Ocean Dipole Mode southern high latitudes upper troposphere |
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