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Nonlinear atmospheric teleconnections Hsieh, William W.; Wu, Aiming; Shabbar, Amir
Abstract
Neural network models are used to reveal the nonlinear winter atmospheric teleconnection patterns associated with the El Niño-Southern Oscillation (ENSO) and with the Arctic Oscillation (AO) over the N. Hemisphere. The nonlinear teleconnections (for surface air temperature, precipitation, sea level pressure and 500 hPa geopotential height) are found to relate quadratically to the ENSO and AO indices. Relative to linear teleconnections, nonlinear teleconections appear to propagate perturbations farther, into regions where classical linear teleconnections are insignificant. An edited version of this paper was published by AGU. Copyright 2006 American Geophysical Union.
Item Metadata
| Title |
Nonlinear atmospheric teleconnections
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| Creator | |
| Publisher |
American Geophysical Union
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| Date Issued |
2006-04-12
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| Description |
Neural network models are used to reveal the nonlinear winter atmospheric teleconnection patterns associated with the El Niño-Southern Oscillation (ENSO) and with the Arctic Oscillation (AO) over the N. Hemisphere. The nonlinear teleconnections (for surface air temperature, precipitation, sea level pressure and 500 hPa geopotential height) are found to relate quadratically to the ENSO and AO indices. Relative to linear teleconnections, nonlinear teleconections appear to propagate perturbations farther, into regions where classical linear teleconnections are insignificant. An edited version of this paper was published by AGU. Copyright 2006 American Geophysical Union.
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| Genre | |
| Type | |
| Language |
eng
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| Date Available |
2011-03-23
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| Provider |
Vancouver : University of British Columbia Library
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| Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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| DOI |
10.14288/1.0041774
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| URI | |
| Affiliation | |
| Citation |
Hsieh, William W., Wu, Aimeng, Shabbar, Amir. 2006. Nonlinear atmospheric teleconnections. Geophysical Research Letters 33 L07714
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| Publisher DOI |
10.1029/2005GL025471
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| Peer Review Status |
Reviewed
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| Scholarly Level |
Faculty
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| Copyright Holder |
Hsieh, William W.
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| Rights URI | |
| Aggregated Source Repository |
DSpace
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Rights
Attribution-NonCommercial-NoDerivatives 4.0 International