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650.#.4.x: Físico Matemáticas y Ciencias de la Tierra

336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

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351.#.#.a: Artículos

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270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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856.4.0.u: https://www.revistascca.unam.mx/atm/index.php/atm/article/view/8422/7892

100.1.#.a: Solman, Silvina A.; Menendez, Claudio G.

524.#.#.a: Solman, Silvina A., et al. (1998). Study of a cyclone wave in the Drake Passage region. Atmósfera; Vol. 11 No. 1, 1998. Recuperado de https://repositorio.unam.mx/contenidos/4120555

245.1.0.a: Study of a cyclone wave in the Drake Passage region

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

264.#.0.c: 1998

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

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041.#.7.h: eng

520.3.#.a: The evolution of a ridge-trough system that occurred in the periphery of the Antarctic in late July 1986 is examined. A cyclonic disturbance within the polarward side of a blocking anticyclone, developed into an intense closed circulation to the east of the Drake Passage. The maturity and decay of the system took place over the Weddell Sea, a location for cyclolysis according to the climatology. The eddy kinetic energy budget of this wave was evaluated, using 12-h ECMWF operational analyses, in order to identify the physical processes that contributed to its development. Particularly, attention was given to the role of the downstream baroclinic development process in the growth and decay of energy centers associated with the cyclonic wave. The initial growth of an eddy kinetic energy center near 90ºW was mastered by the convergence ofageostrophic geopotential fluxes, originated from a previous energy center in dissipation stage. The center developed in a region of relatively low baroclinicity and then the incidence of the baroclinic conversion process was not significant. As the center intensified, it produced strong radiation of energy downstream to the east of Drake Passage, where a deep cyclone developed, with a new associated eddy kinetic energy center. It was found that the convergence of ageostrophic geopotential fluxes and, in lesser extent, the baroclinic conversion were the most important physical processes during the early stage of growing. Finally, this last energy center decayed, mainly, by flux divergence.

773.1.#.t: Atmósfera; Vol. 11 No. 1 (1998)

773.1.#.o: https://www.revistascca.unam.mx/atm/index.php/atm/index

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022.#.#.a: ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

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264.#.1.b: Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM

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harvesting_date: 2023-06-20 16:00:00.0

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245.1.0.b: Study of a cyclone wave in the Drake Passage region

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Artículo

Study of a cyclone wave in the Drake Passage region

Solman, Silvina A.; Menendez, Claudio G.

Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM, publicado en Atmósfera, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Ciencias de la Atmósfera y Cambio Climático, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Solman, Silvina A., et al. (1998). Study of a cyclone wave in the Drake Passage region. Atmósfera; Vol. 11 No. 1, 1998. Recuperado de https://repositorio.unam.mx/contenidos/4120555

Descripción del recurso

Autor(es)
Solman, Silvina A.; Menendez, Claudio G.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Study of a cyclone wave in the Drake Passage region
Fecha
2009-10-05
Resumen
The evolution of a ridge-trough system that occurred in the periphery of the Antarctic in late July 1986 is examined. A cyclonic disturbance within the polarward side of a blocking anticyclone, developed into an intense closed circulation to the east of the Drake Passage. The maturity and decay of the system took place over the Weddell Sea, a location for cyclolysis according to the climatology. The eddy kinetic energy budget of this wave was evaluated, using 12-h ECMWF operational analyses, in order to identify the physical processes that contributed to its development. Particularly, attention was given to the role of the downstream baroclinic development process in the growth and decay of energy centers associated with the cyclonic wave. The initial growth of an eddy kinetic energy center near 90ºW was mastered by the convergence ofageostrophic geopotential fluxes, originated from a previous energy center in dissipation stage. The center developed in a region of relatively low baroclinicity and then the incidence of the baroclinic conversion process was not significant. As the center intensified, it produced strong radiation of energy downstream to the east of Drake Passage, where a deep cyclone developed, with a new associated eddy kinetic energy center. It was found that the convergence of ageostrophic geopotential fluxes and, in lesser extent, the baroclinic conversion were the most important physical processes during the early stage of growing. Finally, this last energy center decayed, mainly, by flux divergence.
Idioma
eng
ISSN
ISSN electrónico: 2395-8812; ISSN impreso: 0187-6236

Enlaces