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The upper stratospheric solar cycle ozone response

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Title: The upper stratospheric solar cycle ozone response
Authors: Ball, WT
Rozanov, EV
Alsing, J
Marsh, DR
Tummon, F
Mortlock, DJ
Kinnison, D
Haigh, JD
Item Type: Journal Article
Abstract: The solar cycle (SC) stratospheric ozone response is thought to influence surface weather and climate. To understand the chain of processes and ensure climate models adequately represent them, it is important to detect and quantify an accurate SC ozone response from observations. Chemistry climate models (CCMs) and observations display a range of upper stratosphere (1–10 hPa) zonally averaged spatial responses; this and the recommended data set for comparison remains disputed. Recent data-merging advancements have led to more robust observational data. Using these data, we show that the observed SC signal exhibits an upper stratosphere U-shaped spatial structure with lobes emanating from the tropics (5–10 hPa) to high altitudes at midlatitudes (1–3 hPa). We confirm this using two independent chemistry climate models in specified dynamics mode and an idealized timeslice experiment. We recommend the BASIC v2 ozone composite to best represent historical upper stratospheric solar variability, and that those based on SBUV alone should not be used.
Issue Date: 16-Feb-2019
Date of Acceptance: 27-Jan-2019
URI: http://hdl.handle.net/10044/1/67795
DOI: https://dx.doi.org/10.1029/2018GL081501
ISSN: 0094-8276
Publisher: Wiley
Start Page: 1831
End Page: 1841
Journal / Book Title: Geophysical Research Letters
Volume: 46
Issue: 3
Copyright Statement: © 2019 The Authors. This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial‐NoDerivs License (https://creativecommons.org/licenses/by-nc-nd/4.0/), which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.
Sponsor/Funder: Natural Environment Research Council (NERC)
Science and Technology Facilities Council
Science and Technology Facilities Council (STFC)
Funder's Grant Number: H31025
ST-N000838
ST/N000838/1
Keywords: MD Multidisciplinary
Meteorology & Atmospheric Sciences
Publication Status: Published
Online Publication Date: 2019-02-10
Appears in Collections:Physics
Astrophysics
Centre for Environmental Policy
Faculty of Natural Sciences



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