DOI: 10.1002/2015GL063052
论文题名: Revisiting the hemispheric asymmetry in midlatitude ozone changes following the Mount Pinatubo eruption: A 3-D model study
作者: Dhomse S.S. ; Chipperfield M.P. ; Feng W. ; Hossaini R. ; Mann G.W. ; Santee M.L.
刊名: Geophysical Research Letters
ISSN: 0094-8725
EISSN: 1944-8456
出版年: 2015
卷: 42, 期: 8 起始页码: 3038
结束页码: 3047
语种: 英语
英文关键词: chemical modeling
; ozone
; Pinatubo
; satellite data
Scopus关键词: Aerosols
; Atmospheric chemistry
; Ozone
; Ozone layer
; Chemical model
; European centre for medium-range weather forecasts
; Hemi-spheric asymmetries
; Mount Pinatubo eruption
; Pinatubo
; Satellite data
; Stratospheric aerosols
; Three dimensional chemicals
; Weather forecasting
; aerosol property
; asymmetry
; ozone
; satellite imagery
; stratosphere
; volcanic eruption
; Central Luzon
; Luzon
; Mount Pinatubo
; Philippines
; Zambales
英文摘要: Following the eruption of Mount Pinatubo, satellite and in situ measurements showed a large enhancement in stratospheric aerosol in both hemispheres, but significant midlatitude column O3 depletion was observed only in the north. We use a three-dimensional chemical transport model to determine the mechanisms behind this hemispheric asymmetry. The model, forced by European Centre for Medium-Range Weather Forecasts ERA-Interim reanalyses and updated aerosol surface area density, successfully simulates observed large column NO2 decreases and the different extents of ozone depletion in the two hemispheres. The chemical ozone loss is similar in the Northern (NH) and Southern Hemispheres (SH), but the contrasting role of dynamics increases the depletion in the NH and decreases it in the SH. The relevant SH dynamics are not captured as well by earlier ERA-40 reanalyses. Overall, the smaller SH column O3 depletion can be attributed to dynamical variability and smaller SH background lower stratosphere O3 concentrations. ©2015. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84929512947&doi=10.1002%2f2015GL063052&partnerID=40&md5=385a8fda451e38f1adf5282d1404ce71
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/8341
Appears in Collections: 科学计划与规划 气候变化与战略
There are no files associated with this item.
作者单位: School of Earth and Environment, University of Leeds, Leeds, United Kingdom
Recommended Citation:
Dhomse S.S.,Chipperfield M.P.,Feng W.,et al. Revisiting the hemispheric asymmetry in midlatitude ozone changes following the Mount Pinatubo eruption: A 3-D model study[J]. Geophysical Research Letters,2015-01-01,42(8).