The NAO Troposphere-Stratosphere Connection.

By M. Ambaum, B. Hoskins. 2002

297 citations recorded by the source corpus.

Subfields: Atmospheric Science, Global and Planetary Change

View Paper: https://www.semanticscholar.org/paper/59dc4edc899c4a865c46988997254c91a1641c1a

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Citations in the corpus

The predictability of the extratropical stratosphere on monthly time‐scales and its impact on the skill of tropospheric forecasts (2015, background): “Ambaum and Hoskins (2002) calculate that about 10% change in the strength of the stratospheric jet leads to a 300-m change in the position of the Arctic tropopause height.”
The Life Cycle of the Northern Hemisphere Sudden Stratospheric Warmings (2004, background): “Another variant of the so-called downward control principal was proposed by Ambaum and Hoskins (2002). In this case, potential vorticity (PV) anomalies in the lower stratosphere lead to deformations in the height of the polar tropopause that, in turn, give rise to similarly signed PV anomalies at tr”
Associations between stratospheric variability and tropospheric blocking (2010, unknown): “Evidence for a stratosphere ‐ troposphere connection associated with the NAO [e.g., Ambaum and Hoskins , 2002; Baldwin and Dunkerton , 2001; Marshall and Scaife , 2009] could therefore be relevant to the correlations seen here.”
Stratosphere-troposphere evolution during polar vortex intensification (2005, background): “: POLAR VORTEX INTENSIFICATION 13 of 15 D24101 the momentum flux around the latter stage of the life cycle [Ambaum and Hoskins, 2002; Norton, 2003].”
Downward Coupling between the Stratosphere and Troposphere: The Relative Roles of Wave and Zonal Mean Processes* (2004, background): “…interaction, a direct adjustment of the flow to potential vorticity (PV) anom- Unauthenticated | Downloaded 07/27/22 08:25 AM UTC alies (diagnosed by PV inversions; Hartley et al. 1998; Ambaum and Hoskins 2002; Black 2002) and downward control (Haynes et al. 1991) may also play a role.”
What Is the Polar Vortex and How Does It Influence Weather (2017, background): “Although the coherent region of high PV associated with the stratospheric polar vortex lies in the stratosphere, it can influence the tropospheric flow below it (e.g., Black 2002; Ambaum and Hoskins 2002).”
A practical method to identify displaced and split stratospheric polar vortex events (2013, methodology): “However, this method does not provide a description of the location of the polar vortex itself, which theoretical arguments suggest may be important for understanding stratosphere-troposphere coupling [Ambaum and Hoskins, 2002].”
Is the North Atlantic Oscillation a Breaking Wave (2004, background): “Such a connection, which has been proposed by Perlwitz and Graf (2001), Thompson et al. (2002), and Ambaum and Hoskins (2002), could have implications for predictability.”
Observational Evidence of a Stratospheric Influence on the Troposphere by Planetary Wave Reflection. (2003, background): “Ambaum and Hoskins (2002) explain the dynamic link as a geostrophic and hydrostatic adjustment of the atmospheric column due to the associated zonal-mean PV anomalies in the lower stratosphere. A different direct mechanism by which the stratosphere can affect the troposphere is by reflecting waves t”
A stratospheric influence on the winter NAO and North Atlantic surface climate (2005, background): “Whereas the fundamental dynamics of the NAO are becoming clearer [Ambaum and Hoskins, 2002; Vallis et al., 2004], it remains an outstanding problem to explain past variations in the NAO and to predict its future state.”
Stratosphere key for wintertime atmospheric response to warm Atlantic decadal conditions (2014, background): “…involve non-local downward control of tropospheric circulation by stratospheric wave forcing (Haynes et al. 1991) or potential vorticity change (Ambaum and Hoskins 2002; Black 2002), wave reflection (Perlwitz and Harnik 2003) and refraction (Hartmann et al. 2000; Limpasuvan and Hartmann 2000),…”
A New Rossby Wave–Breaking Interpretation of the North Atlantic Oscillation (2008, background): “This difference in time scale, and the sign of correlation, are consistent with the troposphere– stratosphere NAO relationship seen by Ambaum and Hoskins (2002) .”
Sudden Stratospheric Warmings (2020, background): “However, as pointed out by Ambaum and Hoskins (2002), the remote eﬀects of stratospheric PV anomalies are expected the-698 oretically to decrease through the troposphere with an e -folding depth of ∼ 5 km. PV theory explains very well the atmospheric response down to the tropopause, but it does not…”