Total ozone and equatorial zonal wind |
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| Authors: | Marta Zossi de Artigas Patricia Fernandez de Campra |
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| Institution: | 1. Departamento de Fisica, Facultad de Ciencias Exactas y Tecnologia, Universidad Nacional de Tucuman, Argentina;2. Consejo Nacional de Investigaciones Cientificas y Tecnicas, CONICET, Argentina;3. Departamento de Ciencias de la Computacion, Facultad de Ciencias Exactas y Tecnologia, Universidad Nacional de Tucuman, Argentina;1. Indian Institute of Astrophysics, Bangalore, India;2. National Institute of Meteorological Sciences, Seogwipo, Jeju, South Korea;1. Department of Atmospheric Sciences, Yonsei University, Seoul, Republic of Korea;2. Korea Polar Research Institute, Incheon, Republic of Korea;3. Department of Atmospheric Sciences, Chungnam National University, Daejeon, Republic of Korea;4. Harvard Smithsonian Center for Astrophysics, Cambridge, MA, USA;5. Department of Climate and Energy Systems Engineering, Ewha Womans University, Seoul, Republic of Korea;6. Department of Spatial Information Engineering, Pukyong National University, Busan, Republic of Korea;7. National Institute of Environmental Research, Incheon, Republic of Korea;1. Key Laboratory of Meteorological Disaster of Ministry of Education, Joint International Research Laboratory of Climate and Environment Change, Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disaster, Nanjing University of Information Science & Technology, Nanjing 210044, China;2. Laboratoire de Météorologie Dynamique, CNRS, Sorbonne Universités, UPMC Université Paris 06, Paris 75005, France;1. CNR–ISAC, National Research Council of Italy, Institute of Atmospheric Sciences and Climate, via Gobetti 101, 40129, Bologna, Italy;2. ENEA, Laboratory for Observations and Analyses of Earth and Climate, C.R. Casaccia, 00123, S. Maria di Galeria (RM), Italy;3. University of Florence, Dept. of Chemistry “Ugo Schiff”, via della Lastruccia 3, 50019, Sesto Fiorentino (FI), Italy;4. CNR-ISSIA, Institute of Intelligent Systems for Automation, via De Marini 6, 16149, Genova, Italy |
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| Abstract: | Spatial correlations between total column ozone observed by TOMS and equatorial zonal winds from 1979 to 2003 have been assessed. Four months and three different altitude levels have been analyzed: January and July (solstice months), April and October (equinoctial months), and 10, 30 and 50 hPa. The results are different for the months and altitudes considered. The highest correlations values appear in tropical zone at 30 hPa. The Brewer–Dobson circulation plays a key role in regulating the abundance of ozone, influenced by the quasi-biennial oscillation (QBO) circulation. Since the Brewer–Dobson is a slow circulation, correlations considering lags between one and 12 months were estimated. In this case, the highest correlations values are moving to subtropical latitudes at winter hemisphere, with different behaviors for three altitude levels considered. |
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