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The global statistics of MT events are analyzed, taking into consideration both their seasonal and geographical variations. Our results are in moderate qualitative agreement with those of earlier studies. They reinforce the analytical findings of other researchers, but at the same time highlight important differences in both the number and position of the maximum occurrence of MT events. We found a latitudinal band of multiple tropopause occurrence in the Northern Hemisphere and three centers in the Southern Hemisphere, which coincided with identified zones of maximum cyclogenesis. The climatological features of pressure, temperature, and vertical separation of MT events revealed the complexity of these phenomena, which behave very differently according to latitude and season.<\/jats:p>","DOI":"10.1029\/2007jd009697","type":"journal-article","created":{"date-parts":[[2008,11,26]],"date-time":"2008-11-26T21:51:01Z","timestamp":1227736261000},"source":"Crossref","is-referenced-by-count":49,"title":["Climatological features of global multiple tropopause events"],"prefix":"10.1029","volume":"113","author":[{"given":"Juan A.","family":"A\u00f1el","sequence":"first","affiliation":[{"name":"CESAM, Departamento de F\u00edsica Universidade de Aveiro  Aveiro Portugal"},{"name":"Facultade de Ciencias de Ourense Universidade de Vigo  Ourense Spain"}]},{"given":"Juan C.","family":"Antu\u00f1a","sequence":"additional","affiliation":[{"name":"Estaci\u00f3n L\u00eddar de Camag\u00fcey  Camag\u00fcey Cuba"}]},{"given":"Laura","family":"de la Torre","sequence":"additional","affiliation":[{"name":"CESAM, Departamento de F\u00edsica Universidade de Aveiro  Aveiro Portugal"},{"name":"Facultade de Ciencias de Ourense Universidade de Vigo  Ourense Spain"}]},{"given":"Jos\u00e9 M.","family":"Castanheira","sequence":"additional","affiliation":[{"name":"CESAM, Departamento de F\u00edsica Universidade de Aveiro  Aveiro Portugal"}]},{"given":"Luis","family":"Gimeno","sequence":"additional","affiliation":[{"name":"Facultade de Ciencias de Ourense Universidade de Vigo  Ourense Spain"}]}],"member":"13","published-online":{"date-parts":[[2008,11,27]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1029\/2006GL029224"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1029\/1999JD900445"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1063315"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1029\/2007JD009022"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/qj.49712253207"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1029\/2005JD006301"},{"key":"e_1_2_6_8_1","doi-asserted-by":"publisher","DOI":"10.1002\/joc.1385"},{"key":"e_1_2_6_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/1-4020-3824-0"},{"key":"e_1_2_6_10_1","doi-asserted-by":"publisher","DOI":"10.1175\/1520\u20100469(1994)051<1930:EEWARD>2.0.CO;2"},{"key":"e_1_2_6_11_1","doi-asserted-by":"publisher","DOI":"10.1175\/JCLI3594.1"},{"key":"e_1_2_6_12_1","doi-asserted-by":"publisher","DOI":"10.1029\/2005JD005934"},{"key":"e_1_2_6_13_1","first-page":"14","article-title":"A SPARC tropopause initiative","volume":"29","author":"Gettelman A.","year":"2007","journal-title":"SPARC Newsl."},{"key":"e_1_2_6_14_1","doi-asserted-by":"publisher","DOI":"10.1002\/qj.49712454911"},{"key":"e_1_2_6_15_1","doi-asserted-by":"publisher","DOI":"10.1175\/1520\u20100493(1998)126<3303:SOTGTP>2.0.CO;2"},{"key":"e_1_2_6_16_1","doi-asserted-by":"publisher","DOI":"10.1175\/1520\u20100493(1999)127<2248:THAWAT>2.0.CO;2"},{"key":"e_1_2_6_17_1","doi-asserted-by":"publisher","DOI":"10.1256\/smsqj.47001"},{"key":"e_1_2_6_18_1","doi-asserted-by":"publisher","DOI":"10.1175\/JCLI3386.1"},{"volume-title":"Atmospheric Circulation Systems: Their Structure and Physical Interpretation","year":"1971","author":"Palmen E.","key":"e_1_2_6_19_1"},{"key":"e_1_2_6_20_1","doi-asserted-by":"publisher","DOI":"10.1063\/1.2809772"},{"key":"e_1_2_6_21_1","doi-asserted-by":"publisher","DOI":"10.1029\/2000JD900155"},{"key":"e_1_2_6_22_1","doi-asserted-by":"publisher","DOI":"10.1029\/2006JD007904"},{"key":"e_1_2_6_23_1","doi-asserted-by":"publisher","DOI":"10.1029\/2002JD002258"},{"key":"e_1_2_6_24_1","doi-asserted-by":"publisher","DOI":"10.1126\/science.1084123"},{"key":"e_1_2_6_25_1","doi-asserted-by":"publisher","DOI":"10.1127\/0941\u20102948\/2003\/0012\u20100131"},{"key":"e_1_2_6_26_1","first-page":"251","article-title":"Die obere Inversion","volume":"26","author":"Schmauss A.","year":"1909","journal-title":"Meteorol. 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