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Atmospheric blocking as a traffic jam in the jet stream

Nakamura, Noboru ; Huang, Clare S Y

Science (American Association for the Advancement of Science), 2018-07, Vol.361 (6397), p.42-47 [Periódico revisado por pares]

United States: The American Association for the Advancement of Science

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Título:
Atmospheric blocking as a traffic jam in the jet stream
Autor: Nakamura, Noboru ; Huang, Clare S Y
Assuntos: Aircraft accidents & safety ; Blocking ; Climate ; Climate change ; Extreme values ; Extreme weather ; Geographic Distribution ; Geographical distribution ; Heat waves ; Jet streams (meteorology) ; Mathematical analysis ; Traffic capacity ; Traffic congestion ; Traffic flow ; Traffic jams ; Weather
É parte de: Science (American Association for the Advancement of Science), 2018-07, Vol.361 (6397), p.42-47
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Atmospheric blocking due to anomalous, persistent meandering of the jet stream often causes weather extremes in the midlatitudes. Despite its ubiquity, the onset mechanism of blocking is not well understood. Here we demonstrate with meteorological data that there exists a close analogy between blocking and traffic congestion on a highway, and that they can be described by a common mathematical theory. The theory predicts that the jet stream has a capacity for the flux of wave activity (a measure of meandering), just as the highway has traffic capacity, and when it is exceeded, blocking manifests as congestion. Stationary waves modulate the jet stream's capacity for transient waves and localize block formation. Climate change likely affects blocking frequency by modifying the jet stream's proximity to capacity.
Editor: United States: The American Association for the Advancement of Science
Idioma: Inglês

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Atmospheric blocking as a traffic jam in the jet stream

Nakamura, Noboru ; Huang, Clare S Y

United States: The American Association for the Advancement of Science

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