Temporal variations in characteristics of the El Chichón stratospheric cloud
Chuan, R.L.; Woods, D.C.
Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM
dor_id: 4132169
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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.#.#.b: Geofísica Internacional
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850.#.#.a: Universidad Nacional Autónoma de México
856.4.0.u: http://revistagi.geofisica.unam.mx/index.php/RGI/article/view/1144/1064
100.1.#.a: Chuan, R.L.; Woods, D.C.
524.#.#.a: Chuan, R.L., et al. (1984). Temporal variations in characteristics of the El Chichón stratospheric cloud. Geofísica Internacional; Vol. 23 Núm. 3: Julio 1, 1984; 335-349. Recuperado de https://repositorio.unam.mx/contenidos/4132169
245.1.0.a: Temporal variations in characteristics of the El Chichón stratospheric cloud
502.#.#.c: Universidad Nacional Autónoma de México
561.1.#.a: Instituto de Geofísica, UNAM
264.#.0.c: 1984
264.#.1.c: 1984-07-01
653.#.#.a: Nube estratósferica; Mediciones; Erupciones volcánicas; Volcán El Chichón; Stratospheric cloud; Measurements; Volcanic eruptions; El Chichón Volcano
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001.#.#.#: 063.oai:revistagi.geofisica.unam.mx:article/1144
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 salid 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 salid 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 far eruption aerosols. Among them are simples 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 beenfonned by the condensation of vapors from a salt dome under El Chich6fü In late July 1982, copper-zin~ -oxide particles, possiblf formed by oxidation of vapors volatized from the magma during eruption, were abundant in sizes ranging from > 20 μm to submicron sizes. Between July andDecember 1982, the <0.2 μm size band was dominated by clusters of carbonaceous particles, probably not related to the eruption but possibly ofmeteoritic origin.doi: https://doi.org/10.22201/igeof.00167169p.1984.23.3.1155
773.1.#.t: Geofísica Internacional; Vol. 23 Núm. 3: Julio 1, 1984; 335-349
773.1.#.o: http://revistagi.geofisica.unam.mx/index.php/RGI
022.#.#.a: ISSN-L: 2954-436X; ISSN impreso: 0016-7169
310.#.#.a: Trimestral
300.#.#.a: Páginas: 335-349
264.#.1.b: Instituto de Geofísica, UNAM
doi: https://doi.org/10.22201/igeof.00167169p.1984.23.3.1155
handle: 38a6dec9658f0f8c
harvesting_date: 2023-06-20 16:00:00.0
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file_creation_date: 2008-06-26 16:39:06.0
file_modification_date: 2022-05-30 00:58:12.0
file_creator: R.L. Chuan
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245.1.0.b: Temporal variations in characteristics of the El Chichón stratospheric cloud
last_modified: 2023-06-20 16:00:00
license_url: https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es
license_type: by-nc-sa
Chuan, R.L.; Woods, D.C.
Instituto de Geofísica, UNAM, publicado en Geofísica Internacional, y cosechado de Revistas UNAM
Chuan, R.L., et al. (1984). Temporal variations in characteristics of the El Chichón stratospheric cloud. Geofísica Internacional; Vol. 23 Núm. 3: Julio 1, 1984; 335-349. Recuperado de https://repositorio.unam.mx/contenidos/4132169