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Multichannel seismic reflection and wide-angle and refraction data acquisition along the Iberia Atlantic Margins

AutorTorné, Montserrat ; Banda, E.; Sibuet, J.C.; Mendes-Victor, L.; Senos, M. L.; Long, R.; Watts, A. B.; Seismic Laboratory CSIC-ICTJA
Palabras clavefield
Fecha de publicaciónjun-2018
CitaciónTorne, Montserrat; Banda E.; Sibuet, J. C.; Mendes-Victor, L.; Senos, M. L.; Long, R., Watts, A. B., 2018. “Multichannel seismic reflection and wide-angle and refraction data acquisition along the Iberia Atlantic Margins”, DIGITAL.CSIC, http://dx.doi.org/10.20350/digitalCSIC/8549
ResumenThe Iberian Atlantic Margins (IAM) project is a multinational research programme, coordinated by the Institute of Earth Sciences of Barcelona, CSIC (Spain). It involves different academic institutions of Britain (University of Oxford and University of Durham), France (IFREMER), Portugal (University of Lisbon and Institute of Meteorology of Lisbon) and Spain (Institute of Earth Sciences of Barcelona, CSIC) and more than 40 associated scientists of European institutions attached to the main contractors. The project, financed by the European Community within its JOULE-Programme (Contract# JOU2-CT92-0177), aims to explore the deep continental and oceanic Atlantic margins of Iberia for a better understanding of the formation and evolution of Atlantic type margins, outstanding structural features and potential location of hydrocarbons and other natural resources. The project was designed to acquire deep seismic multichannel data and onshore recording of wide angle and refraction data along the North Iberian margin; the West Iberia margin, including the Galicia margin, the Iberia and Tagus abyssal plain, and the continental shelf off Portugal; and the Gorringe Bank region and Gulf of Cadiz. The experimental part of the study consisted of the acquisition of over 3700 km of near vertical incidence deep seismic multichannel reflection data. This together with wide angle reflection and refraction data recorded by land stations and OBS (Ocean Bottom Seismometers) has resulted in a full coverage in terms of crustal structure and velocity information of the study region.
DescripciónThe data acquisition contract was awarded to GECO-PRAKLA and took place in August-September 1993 aboard M/V Geco Sigma. Seismic data was successfully collected along the Cantabrian Margin, Galicia Margin, Iberian Abyssal Plain, the continental platform of Western Iberia, Tagus Abyssal Plain, the Gorringe Bank and Gulf of Cadiz. Data for the 240 km long line IAM-12 was acquired in February 1993 by SEISQUEST vessel of GECO-PRAKLA. The total amount of seismic reflection data collected was 3808.175 km in 19 track lines offshore. Technical specifications of the profiles: Streamer length 4800 m, Number of channels 192, Group interval 25 m, Shotpoint interval 75 m (100 m and 150 m on line IAM-2W), Source 7424 in3 (Record length 25 seconds), Sample rate 4 ms. Contact person: Torne, M., mtorne@ictja.csic.es.
ReferenciasTorne, Montserrat; Banda E.; Sibuet, J.C.; Mendes-Victor, L.; Senos, M.L.; Long, R., Watts, A. B., Iberian Atlantic Margins (IAM project), Report, DIGITAL.CSIC, https://digital.csic.es/handle/10261/167037.
Aparece en las colecciones: (ICTJA) Conjuntos de datos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
Seismic_data_IAM-metadata.xlsxCommon and specific metadata file74,11 kBMicrosoft Excel XMLVisualizar/Abrir
Readme_IAM.txtDataset general information3,25 kBTextVisualizar/Abrir
IAM-T1.rarIAM-T1 Data line3,33 GBUnknownVisualizar/Abrir
IAM-T2.rarIAM-T2 Data line3,02 GBUnknownVisualizar/Abrir
IAM-2WA.rarIAM-2WA Data line3,28 GBUnknownVisualizar/Abrir
IAM-4E.rarIAM-4E Data line3,53 GBUnknownVisualizar/Abrir
IAM-GC3.rarIAM-GC3 Data line4,04 GBUnknownVisualizar/Abrir
IAM-T3.rarIAM-T3 Data line4,19 GBUnknownVisualizar/Abrir
IAM-GB1.rarIAM-GB1 Data line5,35 GBUnknownVisualizar/Abrir
IAM-GB2.rarIAM-GB2 Data line7,47 GBUnknownVisualizar/Abrir
IAM-06.rarIAM-06 Data line5,97 GBUnknownVisualizar/Abrir
IAM-10.rarIAM-10 Data line7,22 GBUnknownVisualizar/Abrir
IAM-08.rarIAM-08 Data line7,59 GBUnknownVisualizar/Abrir
IAM-03.rarIAM-03 Data line8,93 GBUnknownVisualizar/Abrir
IAM-GC1.rarIAM-GC1 Data line6,14 GBUnknownVisualizar/Abrir
IAM-GC2.rarIAM-GC2 Data line12,25 GBUnknownVisualizar/Abrir
IAM-GB3.rarIAM-GB3 Data line10,77 GBUnknownVisualizar/Abrir
IAM-05.rarIAM-05 Data line14,46 GBUnknownVisualizar/Abrir
IAM-11.rarIAM-11 Data line16,5 GBUnknownVisualizar/Abrir
IAM-09.rarIAM-09 Data line17,48 GBUnknownVisualizar/Abrir
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