dor_id: 42029

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590.#.#.d: Cada artículo es evaluado mediante una revisión ciega única. Los revisores son externos nacionales e internacionales.

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

336.#.#.b: info:eu-repo/semantics/article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: http://revistagi.geofisica.unam.mx/index.php/RGI

351.#.#.b: Geofísica Internacional

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

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

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270.#.#.d: MX

270.1.#.d: México

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856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1155/1133

100.1.#.a: Chuan, R. L.; Woods, D. C.

524.#.#.a: Chuan, R. L., et al. (1984). Temporal variations in characteristics of the el Chichon stratospheric cloud. Geofísica Internacional; Vol. 23 No. 3, 1984. Recuperado de https://repositorio.unam.mx/contenidos/42029

245.1.0.a: Temporal variations in characteristics of the el Chichon stratospheric cloud

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

561.1.#.a: Instituto de Geofísica, UNAM

264.#.0.c: 1984

264.#.1.c: 2013-04-12

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-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2013-04-12, para un uso diferente consultar al responsable jurídico del repositorio por medio de revistagi@igeofisica.unam.mx

884.#.#.k: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1155

001.#.#.#: oai:ojs.ojs.geofisica.unam.mx:article/1155

041.#.7.h: spa

520.3.#.a: In situ measurements and sampling of the El Chichón eruption cloud, at 18 - 21 km altitude, were conducted over an extended period from April to December 1982, to examine the physical and chemical characteristics of the aerosol particles, their size distribution, mass concentration, morphology, and elemental composition. Within the first month after the eruption, the aerosol size distribution was dominated by solid magmatic and lithic particles, between about 3 µm and 20 µm aerodynamic diameter. In early May 1982 (1 month after the eruption), the size distribution was trimodal, with significant fractions of the mass in both the mid-size (0.5 to 3 µm) and the large-size (> 3 µm) bands. At the upper end of the mid-size band (about 1 to 3 µm), the particles were solid but mantled in sulfuric acid, while the lower end of the band was almost totally populated by sulfuric acid droplets about 0.5 to 1.0 µm diameter. The small-size band (<0.5 µm) consisted of very fine acid droplets. There were additional features appearing at various times which are unusual for eruption aerosols. Among them are samples collected in April and May which had a nearly monodisperse band (about 1 µm to 3 µm), consisting of halite particles, which are believed to have been formed by the condensation of vapors from a salt dome under El Chichón. In late July 1982, copper-zinc oxide particles, possibly formed by oxidation of vapors volatized from the magma during eruption, were abundant in sizes ranging from > 20 µm to submicron sizes. Between July and December 1982, the <0.2 µm size band was dominated by clusters of carbonaceous particles, probably not related to the eruption but possibly of meteoritic origin.

773.1.#.t: Geofísica Internacional; Vol. 23 No. 3 (1984)

773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI

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022.#.#.a: 0016-7169

310.#.#.a: Trimestral

264.#.1.b: Instituto de Geofísica, UNAM

758.#.#.1: http://revistagi.geofisica.unam.mx/index.php/RGI

handle: 00e83f7d3b99cc72

harvesting_date: 2020-09-23 00:00:00.0

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file_modification_date: 2014-12-11 18:54:43.0

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Artículo

Temporal variations in characteristics of the el Chichon stratospheric cloud

Chuan, R. L.; Woods, D. C.

Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Entidad o dependencia
Instituto de Geofísica, UNAM
Revista
Repositorio
Contacto
Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

Cita

Chuan, R. L., et al. (1984). Temporal variations in characteristics of the el Chichon stratospheric cloud. Geofísica Internacional; Vol. 23 No. 3, 1984. Recuperado de https://repositorio.unam.mx/contenidos/42029

Descripción del recurso

Autor(es)
Chuan, R. L.; Woods, D. C.
Tipo
Artículo de Investigación
Área del conocimiento
Físico Matemáticas y Ciencias de la Tierra
Título
Temporal variations in characteristics of the el Chichon stratospheric cloud
Fecha
2013-04-12
Resumen
In situ measurements and sampling of the El Chichón eruption cloud, at 18 - 21 km altitude, were conducted over an extended period from April to December 1982, to examine the physical and chemical characteristics of the aerosol particles, their size distribution, mass concentration, morphology, and elemental composition. Within the first month after the eruption, the aerosol size distribution was dominated by solid magmatic and lithic particles, between about 3 µm and 20 µm aerodynamic diameter. In early May 1982 (1 month after the eruption), the size distribution was trimodal, with significant fractions of the mass in both the mid-size (0.5 to 3 µm) and the large-size (> 3 µm) bands. At the upper end of the mid-size band (about 1 to 3 µm), the particles were solid but mantled in sulfuric acid, while the lower end of the band was almost totally populated by sulfuric acid droplets about 0.5 to 1.0 µm diameter. The small-size band (<0.5 µm) consisted of very fine acid droplets. There were additional features appearing at various times which are unusual for eruption aerosols. Among them are samples collected in April and May which had a nearly monodisperse band (about 1 µm to 3 µm), consisting of halite particles, which are believed to have been formed by the condensation of vapors from a salt dome under El Chichón. In late July 1982, copper-zinc oxide particles, possibly formed by oxidation of vapors volatized from the magma during eruption, were abundant in sizes ranging from > 20 µm to submicron sizes. Between July and December 1982, the <0.2 µm size band was dominated by clusters of carbonaceous particles, probably not related to the eruption but possibly of meteoritic origin.
Idioma
spa
ISSN
0016-7169

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