| Titre | Ocean bottom seismometer survey |
| Télécharger | Téléchargement (publication entière) |
| Auteur | Riedel, M; Standen, G |
| Source | Overview of field operations during a 2013 research expedition to the southern Beaufort Sea on the RV Araon; par Jin, Y K; Riedel, M; Hong, J K; Nam, S I; Jung, J Y; Ha, S Y; Lee, J Y; Kim, G Y; Yoo, J;
Kim, H S; Kim, G; Conway, K; Standen, G; Ulmi, M; Schreker, M; Commission géologique du Canada, Dossier public 7754, 2015 p. 49-58, https://doi.org/10.4095/295966 (Accès ouvert) |
| Image |  |
| Année | 2015 |
| Éditeur | Ressources naturelles Canada |
| Document | dossier public |
| Lang. | anglais |
| DOI | https://doi.org/10.4095/295966 |
| Media | numérique; en ligne |
| Référence reliée | Cette publication est contenue dans Jin, Y K;
Riedel, M; Hong, J K; Nam, S I; Jung, J Y; Ha, S Y; Lee, J Y; Kim, G Y; Yoo, J; Kim, H S; Kim, G; Conway, K; Standen, G; Ulmi, M; Schreker, M; (2015). Overview of field operations during a 2013 research expedition to the southern Beaufort Sea on the
RV Araon, Commission géologique du Canada, Dossier public 7754 |
| Formats | pdf |
| Province | Région extracotière du nord |
| Lat/Long OENS | -141.0000 -133.0000 70.2500 68.0000 |
| Sujets | levés géophysiques; sismographes; réseau sismique; séismologie; ondes sismiques; gaz; levés acoustiques; levés acoustiques marins; hydrate; pergélisol; congélation du sol; glace fossile; bathymétrie;
plate-forme continentale; talus continental; dépôts de pentes; géophysique; combustibles fossiles |
| Illustrations | tables; photographs; screen captures; location maps; plots |
| Programme | Géoscience pour la sécurité publique, Géo-risques marins |
| Diffusé | 2015 02 17 |
| Résumé | (Sommaire disponible en anglais seulement)
The combined multichannel seismic and OBS data will allow detailed velocity analyses to investigate the permafrost signature and help mapping zones of
high-velocity sediments indicative of the presence of ice along the four main lines crossing the OBS stations in the Transect 1 Area). Initial analysis of individual shot gathers show clear refraction arrivals with velocities around 2000 m/s (see
Chapter 3 for more details) in areas of expected permafrost occurrence, and shot gathers lacked such arrivals in zones where the permafrost was predicted to be absent. It is therefore expected that the OBS data, once post-processed will also show
clear refracted arrivals for velocity analyses. |
| GEOSCAN ID | 295966 |
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