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Título

Análisis de observaciones de marea de extensión en Lanzarote

Otros títulosAnalysis of tidal strain observations in Lanzarote Island
AutorArnoso, José ; Vieira, Ricardo ; Vélez, Emilio ; Cai, Weixin; Tan, Shiling; Venedikov, A. P.
Palabras claveGeodesia
Geodesy
Mareas
Tides
Instrumentos geodésicos
Islas Canarias
Fecha de publicación2003
EditorUniversidad Politécnica de Valencia
Citación3ª Asamblea Hispano-Portuguesa de Geodesia y Geofísica: proceedings. Valencia : UPV, 2003, p. 244-249.
ResumenThe strain response of the Earth to tidal forces is observed in the Geodynamics Laboratory of Lanzarote Island. The instruments, installed in a gallery inside the lava tunnel of Cueva de los Verdes, are kind of horizontal ceramic-tube extensometers. Their base fines comprise from 8 to 38 m length and are orientated in two orthogonal directions (45º.2 N Y 135°.2 N), which depend on the situation in the gallery. The reliability of this instruments, which measure the variation of distance between two fixed points with a resolution of 10 -10, allow us to dispose long term series of tidal strains since 1992. The data series are analysed in order to study the stability of the instruments. Also, with these data we can determine the tidal strain models, as well as the tidal deformation and the long-term variations of strains in this island. Due to the dependence of the local conditions of the station, which is located in an island, the oceanic influence will be investigated together with local atmospheric disturbing effects. These effects are carefully studied for this station, in order to allow the identification and, if possible, its separation from other signals of interest, given the volcanic feature of the island.
DescripciónComunicación presntada a la 3ª Asamblea Hispano-Portuguesa de Geodesia y Geofísica = 3ª Assembleia Luso-Espanhola de Geodesia e Geofisica, celebrada en Valencia entre el 4 y el 8 de febrero de 2002.
URIhttp://hdl.handle.net/10261/25710
ISBN84-9705-297-8 (o.c.)
84-9705-297-8 (o.c.)
Aparece en las colecciones: (IAG) Comunicaciones congresos
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