Results 151 to 160 of about 681 (182)
Stratosphere troposphere coupling: the influence of volcanic eruptions
, 2011 openaire +1 more source
A blocking view of the stratosphere-troposphere coupling [PDF]
Journal of Geophysical Research D: Atmospheres, 2014 AbstractDynamical influence from the stratosphere is known to play a role in shaping the wintertime tropospheric circulation patterns. Observations suggest that this influence is strongest following weak and strong polar vortex events, termed sudden stratospheric warmings (SSWs) and vortex intensification (VI) events, respectively.
James Anstey +2 more
exaly +4 more sources
Stratosphere-troposphere coupling and annular mode variability in chemistry-climate models [PDF]
Journal of Geophysical Research D: Atmospheres, 2010 The internal variability and coupling between the stratosphere and troposphere in CCMVal‐2 chemistry‐climate models are evaluated through analysis of the annular mode patterns of variability. Computation of the annular modes in long data sets with secular trends requires refinement of the standard definition of the annular mode, and a more robust ...
Hideharu Akiyoshi +2 more
exaly +6 more sources
Effects of stratosphere-troposphere chemistry coupling on tropospheric ozone [PDF]
Journal of Geophysical Research D: Atmospheres, 2010 A new, computationally efficient coupled stratosphere‐troposphere chemistry‐climate model (S/T‐CCM) has been developed based on three well‐documented components: a 64‐level general circulation model from the UK Met Office Unified Model, the tropospheric chemistry transport model (STOCHEM), and the UMSLIMCAT stratospheric chemistry module.
Peter Bernath +2 more
exaly +2 more sources
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The solar cycle and stratosphere–troposphere dynamical coupling
Journal of Atmospheric and Solar-Terrestrial Physics, 2005Abstract Observations and modeling studies support the hypothesis that solar cycle/ozone interactions create temperature and wind anomalies in the tropical upper stratosphere near 1 hPa. During extended winter (October–April), interactions with planetary-scale Rossby waves draw low-latitude stratospheric wind anomalies poleward and downward through ...
Timothy J. Dunkerton, Mark P Baldwin
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Quarterly Journal of the Royal Meteorological Society, 2022 AbstractHere we explore the stratospheric influence on the predictability of Eurasian cold‐spell events using the European Centre for Medium‐Range Weather Forecasts (ECMWF) ensemble hindcasts obtained from the Subseasonal‐to‐Seasonal (S2S) archive. To isolate the stratospheric influence, we subsampled two groups of hindcasts according to the strength ...
Matti Kämäräinen +2 more
exaly +2 more sources
Stratosphere–Troposphere Coupling during Spring Onset
Journal of Climate, 2006Abstract The authors perform an observational study of the relation between stratospheric final warmings (SFWs) and the boreal extratropical circulation. SFW events are found to provide a strong organizing influence upon the large-scale circulation of the stratosphere and troposphere during the period of spring onset.
Brent A. McDaniel +2 more
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Stratosphere-Troposphere Coupling
2018This chapter discusses stratosphere-troposphere coupling starting from a very basic background knowledge. Later it focused on the individual role of the Sun and QBO to regulate such coupling. It explores Holton-Tan effect. The combined influence of the Sun and QBO to regulate upper stratospheric polar temperature was also attended.
openaire +1 more source