ENSO influence on zonal mean temperature and ozone in the tropical lower stratosphere Export

@article{citeulike:5720813, abstract = {Analyses of a whole atmosphere chemistry-climate model simulation forced by historical sea-surface temperature variations show that tropospheric El Nino – Southern Oscillation (ENSO) events are linked to coherent variations of zonal mean temperature and ozone in the tropical lower stratosphere, tied to fluctuations in tropical upwelling. ENSO temperature variations in the lower stratosphere are out of phase with tropospheric variations, and stratospheric ozone and temperatures are in phase. These model results motivated revisiting observational data sets for both temperature and ozone, and the observational data reveal coherent signals in the tropical stratosphere, very similar to the model results. The stratospheric ENSO variability has been masked in the observational data to some degree by the volcanic eruptions of El Chichon (1982) and Pinatubo (1991), which both occurred during ENSO warm events. The coherent temperature and ozone signals are evidence that ENSO modulates upwelling in the tropical lower stratosphere. }, author = {Randel, William J. and Garcia, Rolando R. and Calvo, Natalia and Marsh, Dan}, citeulike-article-id = {5720813}, citeulike-linkout-0 = {http://www.agu.org/pubs/crossref/2009/2009GL039343.shtml}, citeulike-linkout-1 = {http://dx.doi.org/10.1029/2009GL039343}, day = {12}, doi = {10.1029/2009GL039343}, issn = {0094-8276}, journal = {Geophysical Research Letters}, keywords = {atmosphere, climate, correlation, enso, ozone, stratosphere, teleconnection, temperature, tropics, troposphere, zonal}, month = {August}, number = {15}, pages = {L15822+}, posted-at = {2009-11-02 17:36:00}, priority = {2}, title = {ENSO influence on zonal mean temperature and ozone in the tropical lower stratosphere}, url = {http://dx.doi.org/10.1029/2009GL039343}, volume = {36}, year = {2009} }

TY - JOUR ID - citeulike:5720813 L3 - citeulike-article-id:5720813 N2 - Analyses of a whole atmosphere chemistry-climate model simulation forced by historical sea-surface temperature variations show that tropospheric El Nino – Southern Oscillation (ENSO) events are linked to coherent variations of zonal mean temperature and ozone in the tropical lower stratosphere, tied to fluctuations in tropical upwelling. ENSO temperature variations in the lower stratosphere are out of phase with tropospheric variations, and stratospheric ozone and temperatures are in phase. These model results motivated revisiting observational data sets for both temperature and ozone, and the observational data reveal coherent signals in the tropical stratosphere, very similar to the model results. The stratospheric ENSO variability has been masked in the observational data to some degree by the volcanic eruptions of El Chichon (1982) and Pinatubo (1991), which both occurred during ENSO warm events. The coherent temperature and ozone signals are evidence that ENSO modulates upwelling in the tropical lower stratosphere. IS - 15 JF - Geophysical Research Letters SN - 0094-8276 TI - ENSO influence on zonal mean temperature and ozone in the tropical lower stratosphere VL - 36 SP - L15822 KW - atmosphere KW - climate KW - correlation KW - enso KW - ozone KW - stratosphere KW - teleconnection KW - temperature KW - tropics KW - troposphere KW - zonal AU - Randel, William AU - Garcia, Rolando AU - Calvo, Natalia AU - Marsh, Dan PY - 2009/08/12/ UR - http://dx.doi.org/10.1029/2009GL039343 ER -