Handle URI:
http://hdl.handle.net/10754/627400
Title:
Gulf of Aqaba Field Trip - Datasets
Authors:
Hanafy, Sherif M.; Jonsson, Sigurjon ( 0000-0001-5378-7079 ) ; Klinger, Yann
Abstract:
OBJECTIVE: In this work we use geophysical methods to locate and characterize active faults in alluvial sediments. INTRODUCTION: Since only subtle material and velocity contrasts are expected across the faults, we used seismic refraction tomography and 2D resistivity imaging to locate the fault. One seismic profile and one 2D resistivity profile are collected at an alluvial fan on the Gulf of Aqaba coast in Saudi Arabia. The collected data are inverted to generate the traveltime tomogram and the electric resistivity tomogram (ERT). A low velocity anomaly is shown on the traveltime tomogram indicates the colluvial wedge associated with the fault. The location of the fault is shown on the ERT as a vertical high resistivity anomaly. Two data sets were collected at the study site to map the subsurface structure along a profile across the known normal fault described above. The first data set is a seismic refraction data set and the second is a 2D resistivity imaging data set. A total of 120 common shot gathers were collected (MatLab and DPik format). Each shot gather has 120 traces at equal shot and receiver intervals of 2.5 m. The total length of the profile is 297.5 m . Data were recorded using a 1 ms sampling interval for a total recording time of 0.3 s. A 200 lb weight drop was used as the seismic source, with 10 to 15 stacks at each shot location. One 2D resistivity profile is acquired at the same location and parallel to the seismic profile. The acquisition parameters of the resistivity profile are: No. of nodes: 64, Node interval: 5 m, Configuration Array: Schlumberger-Wenner, Total profile length: 315 m, Both seismic and resistivity profiles share the same starting point at the western end of the profile.
Issue Date:
Nov-2013
Type:
Dataset
Is Supplement To:
Hanafy, Sherif M.; Jonsson, Sigurjon; Klinger, Yann. (2014) Imaging normal faults in alluvial fans using geophysical techniques: Field example from the coast of Gulf of Aqaba, Saudi Arabia. SEG Technical Program Expanded Abstracts 2014. Available: http://repository.kaust.edu.sa/kaust/handle/10754/593346; DOI:10.1190/segam2014-1007.1; HANDLE:http://library.seg.org/doi/abs/10.1190/segam2014-1007.1
Appears in Collections:
Center for Subsurface Imaging and Fluid Modeling (CSIM)

Full metadata record

DC FieldValue Language
dc.contributor.authorHanafy, Sherif M.en
dc.contributor.authorJonsson, Sigurjonen
dc.contributor.authorKlinger, Yannen
dc.date.accessioned2018-04-02T11:45:51Z-
dc.date.available2018-04-02T11:45:51Z-
dc.date.issued2013-11-
dc.identifier.urihttp://hdl.handle.net/10754/627400-
dc.description.abstractOBJECTIVE: In this work we use geophysical methods to locate and characterize active faults in alluvial sediments. INTRODUCTION: Since only subtle material and velocity contrasts are expected across the faults, we used seismic refraction tomography and 2D resistivity imaging to locate the fault. One seismic profile and one 2D resistivity profile are collected at an alluvial fan on the Gulf of Aqaba coast in Saudi Arabia. The collected data are inverted to generate the traveltime tomogram and the electric resistivity tomogram (ERT). A low velocity anomaly is shown on the traveltime tomogram indicates the colluvial wedge associated with the fault. The location of the fault is shown on the ERT as a vertical high resistivity anomaly. Two data sets were collected at the study site to map the subsurface structure along a profile across the known normal fault described above. The first data set is a seismic refraction data set and the second is a 2D resistivity imaging data set. A total of 120 common shot gathers were collected (MatLab and DPik format). Each shot gather has 120 traces at equal shot and receiver intervals of 2.5 m. The total length of the profile is 297.5 m . Data were recorded using a 1 ms sampling interval for a total recording time of 0.3 s. A 200 lb weight drop was used as the seismic source, with 10 to 15 stacks at each shot location. One 2D resistivity profile is acquired at the same location and parallel to the seismic profile. The acquisition parameters of the resistivity profile are: No. of nodes: 64, Node interval: 5 m, Configuration Array: Schlumberger-Wenner, Total profile length: 315 m, Both seismic and resistivity profiles share the same starting point at the western end of the profile.en
dc.language.isoenen
dc.titleGulf of Aqaba Field Trip - Datasetsen
dc.typeDataseten
dc.eprint.versionDataseten
kaust.authorHanafy, Sherif M.en
kaust.authorJonsson, Sigurjonen
kaust.authorKlinger, Yannen
dc.relation.isSupplementToHanafy, Sherif M.; Jonsson, Sigurjon; Klinger, Yann. (2014) Imaging normal faults in alluvial fans using geophysical techniques: Field example from the coast of Gulf of Aqaba, Saudi Arabia. SEG Technical Program Expanded Abstracts 2014. Available: http://repository.kaust.edu.sa/kaust/handle/10754/593346; DOI:10.1190/segam2014-1007.1; HANDLE:http://library.seg.org/doi/abs/10.1190/segam2014-1007.1-
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