The solar cycle variation of total ozone: Dynamical forcing in the lower stratosphere

Hood, L. L.

doi:10.1029/96jd00210

Cited by 132 publications

(137 citation statements)

References 61 publications

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“…Transitioning from SCmin to SCmax leads to a constant increase of~5 DU in the equatorial TCO [Randel and Wu, 2007]. The change in the equatorial TCO due to the solar forcing is therefore a combination of both dynamical and photochemical processes and exhibits a double-peak structure in the lower and the upper stratosphere [Hood, 1997;Kodera and Kuroda, 2002;Matthes et al, 2006;Soukharev and Hood, 2006;Austin et al, 2008;Hood and Soukharev, 2012]. Results obtained using the ERAI TCO are qualitatively the same, except the equatorial TCO change from SCmin/eQBO to SCmax/eQBO that is slightly less than the MOD TCO.…”

Section: Resultssupporting

confidence: 66%

Quasi‐biennial oscillation and solar cycle influences on winter Arctic total ozone

Tung

2014

JGR Atmospheres

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The total column ozone (TCO) observed from satellites and assimilated in the European Centre for Medium-Range Weather Forecasts since 1979 is used as an atmospheric tracer to study the modulations of the winter Arctic stratosphere by the quasi-biennial oscillation (QBO) and the solar cycle. It is found that both the QBO and solar forcings in low latitudes can perturb the late winter polar vortex, likely via planetary wave divergence, causing an early breakdown of the vortex in the form of sudden stratospheric warming. As a result, TCO within the vortex in late winter can increase by~60 Dobson unit during either a solar maximum or an easterly phase of the QBO, or both, relative to the least perturbed state when the solar cycle is minimum and the QBO is in the westerly phase. In addition, from the solar maximum to the solar minimum during the QBO easterly phase, the change in TCO is found to be statistically insignificant. Therefore, the "reversal" of the Holton-Tan effect, reported in some previous studies using lower stratospheric temperature, is not evident in the TCO behavior of both observation and assimilation.

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Section: Resultssupporting

confidence: 66%

Quasi‐biennial oscillation and solar cycle influences on winter Arctic total ozone

Tung

2014

JGR Atmospheres

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“…Studies of ground-based ozone records extending over three decades have indicated the existence of a decadal variation in column ozone that is approximately in phase with the solar cycle (Angell et al, 1988;Zerefos et al, 1997;Austin et al, 2008). This is supported by analyses of global satellite ozone records since 1979 showing evidence for a decadal oscillation of column ozone with maximum amplitude (~2-4%) at low latitudes (Chandra et al, 1994;McCormack et al, 1997;Hood et al, 1997;WMO, 2007;Randel et al, 2007). As noted by Solomon et al (1996), the occurrence of two major volcanic eruptions nine years apart during each of the last two declining phases in solar activity could lead to some confusion in separating volcanic and solar effects on ozone.…”

Section: Introductionmentioning

confidence: 51%

Evaluation of the inter-annual variability of stratospheric chemical composition in chemistry-climate models using ground-based multi species time series

Poulain

Bekki

Marchand

et al. 2016

Journal of Atmospheric and Solar-Terrestrial Physics

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“…The influence of synoptic-scale meteorological variability, for instance, has been known already for decades [Dobson and Harrison, 1926;Schubert and Munteanu, 1988;Steinbrecht et al, 1998]. More important for long-term ozone trends, however, is the influence of decadal or even longer-scale climate variability as discussed for instance by Hood and Zaff [1995], Chandra et al [1996] and Hood [1997]. Several studies indicate that climate variability described by the Northern Atlantic Oscillation (NAO) [e.g., Appenzeller et al, 2000;Orsolini and Limpasuvan, 2001;Orsolini and Doblas-Reyes, 2003], the Arctic Oscillation (AO) [Thompson and Wallace, 2000] or ENSO [Brönnimann et al, 2004] might have significantly modulated long-term stratospheric ozone changes over the northern extratropics.…”

Section: Introductionmentioning

confidence: 99%

Statistical modeling of total ozone: Selection of appropriate explanatory variables

et al. 2007

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[1] A set of 44 potential explanatory variables is used for statistical modeling of monthly mean total ozone values of 158 ground-based stations. A stepwise elimination process leads to zonally optimized multiple regression models, which account for approximately 78% of the variance in total ozone in the tropics, 85% south of 60°S and more than 90% in the three remaining zones while only retaining six explanatory variables in the model. In all regions the dynamics appear to dominate ozone variability, which is primarily described by a proxy specifically designed to describe the effects of short-term isentropic excursions at different altitude levels and the compression/expansion of air connected to convergence/divergence. The influence of equivalent effective stratospheric chlorine (EESC) is also important in all regions, indicating the significant effects of anthropogenic emissions of ozone depleting substances (ODS). In addition to the dynamics and EESC, the influence of volcanic eruptions, represented by the integrated surface area density of stratospheric aerosols (SAD), has the largest impact on total ozone in northern regions. The results of the analysis are less clear in the Southern Hemisphere where only a few long-enough ozone time series are available.

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The solar cycle variation of total ozone: Dynamical forcing in the lower stratosphere

Cited by 132 publications

References 61 publications

Quasi‐biennial oscillation and solar cycle influences on winter Arctic total ozone

Quasi‐biennial oscillation and solar cycle influences on winter Arctic total ozone

Evaluation of the inter-annual variability of stratospheric chemical composition in chemistry-climate models using ground-based multi species time series

Statistical modeling of total ozone: Selection of appropriate explanatory variables

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