dor_id: 4120323
506.#.#.a: Público
590.#.#.d: Los artículos enviados a la revista "Atmósfera", se juzgan por medio de un proceso de revisión por pares
510.0.#.a: Consejo Nacional de Ciencia y Tecnología (CONACyT); Sistema Regional de Información en Línea para Revistas Científicas de América Latina, el Caribe, España y Portugal (Latindex); Scientific Electronic Library Online (SciELO); SCOPUS, Web Of Science (WoS); SCImago Journal Rank (SJR)
561.#.#.u: https://www.atmosfera.unam.mx/
650.#.4.x: Físico Matemáticas y Ciencias de la Tierra
336.#.#.b: article
336.#.#.3: Artículo de Investigación
336.#.#.a: Artículo
351.#.#.6: https://www.revistascca.unam.mx/atm/index.php/atm/index
351.#.#.b: Atmósfera
351.#.#.a: Artículos
harvesting_group: RevistasUNAM
270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx
590.#.#.c: Open Journal Systems (OJS)
270.#.#.d: MX
270.1.#.d: México
590.#.#.b: Concentrador
883.#.#.u: https://revistas.unam.mx/catalogo/
883.#.#.a: Revistas UNAM
590.#.#.a: Coordinación de Difusión Cultural
883.#.#.1: https://www.publicaciones.unam.mx/
883.#.#.q: Dirección General de Publicaciones y Fomento Editorial
850.#.#.a: Universidad Nacional Autónoma de México
856.4.0.u: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8443/7913
100.1.#.a: Ramírez, María C. V.; Kayano, Mary T.; Ferreira, Nelson J.
524.#.#.a: Ramírez, María C. V., et al. (1999). Statistical analysis of upper tropospheric vortices in the vicinity of northeast Brazil during the 1980-1989 period. Atmósfera; Vol. 12 No. 2, 1999. Recuperado de https://repositorio.unam.mx/contenidos/4120323
245.1.0.a: Statistical analysis of upper tropospheric vortices in the vicinity of northeast Brazil during the 1980-1989 period
502.#.#.c: Universidad Nacional Autónoma de México
561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
264.#.0.c: 1999
264.#.1.c: 2009-10-05
506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC 4.0 Internacional, https://creativecommons.org/licenses/by-nc/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico editora@atmosfera.unam.mx
884.#.#.k: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8443
001.#.#.#: 022.oai:ojs.pkp.sfu.ca:article/8443
041.#.7.h: eng
520.3.#.a: Daily European Centre for Medium Range Weather Forecasts (ECMWF) analyses for the 1980-1989 period are used to study cyclonic vortices at the upper tropospheric levels (CVULs) in the vicinity of northeast Brazil. The occurrence of CVULs shows significant interannual and seasonal variability, with the highest frequency found during the Southern Hemisphere summer months. CVULs develop mostly over oceanic areas, with the closed circulation at 200-hPa and the cold core at 300-hPa, and remain confined to the middle and upper troposphere. The CVUL mean lifetime ranges from 4 days in June to 11 days in February. Approximately 57% of the Southern Hemisphere summer CVULs originate accordingly to the formation mechanism so far known, hi 27% of the Southern Hemisphere summer cases, the vortex originates associated with the occurrence of an upper level anticyclonic circulation over southwestern Atlantic and southeastern Brazil, in turn associated with stationary cold fronts (South Atlantic Convergence Zone-SACZ). CVULs can present regular or irregular trajectories. Midlatitude trough associated with frontal systems and an inter-hemispheric bifurcation of the upper level westerlies in the northwest of South America can cause such irregular displacements. For the CVULs with regular displacement, it is common to observe an amplification of the ridge axis in the southeastern sector of the Bolivian High, which can cause the upper level anticyclone in the southwestern Atlantic and southeastern Brazil.
773.1.#.t: Atmósfera; Vol. 12 No. 2 (1999)
773.1.#.o: https://www.revistascca.unam.mx/atm/index.php/atm/index
046.#.#.j: 2021-10-20 00:00:00.000000
022.#.#.a: ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236
310.#.#.a: Trimestral
264.#.1.b: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
handle: 00baae98178bb054
harvesting_date: 2023-06-20 16:00:00.0
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file_modification_date: 2001-09-25 22:37:14.0
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245.1.0.b: Statistical analysis of upper tropospheric vortices in the vicinity of northeast Brazil during the 1980-1989
last_modified: 2023-06-20 16:00:00
license_url: https://creativecommons.org/licenses/by-nc/4.0/legalcode.es
license_type: by-nc
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