Expedition Menu
1. Introduction
2. 
The Question
3. Funding
4. Study Area
5. Background
6.
Seismogenic Zone
7. Chief Scientists
8. The Journey
9. Ship Tour
10. Leaving Port
11. Seismic Method
12. Seismic Source
13. Seismic Recording
14. 3-D Acquisition
15. Life at Sea
16. In the Lab
17. Time to Depart
18. Data Processing
19. The 3-D Volume
20. Interpretation
21. Your Turn
22. Comparison
23, Publication
24. On to Drilling

NSF Logo
This material is based
upon work supported
by the
National Science Foundation
under
Grant No. 0633234


 


 

NanTroSEIZE in 3-D

Imaging an Active Plate Boundary Fault
14. 3-D Seismic Acquisition

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Ship Towing Gear
R/V Nordic Explorer towing multiple acoustic sources and
hydrophone streamers


Multiple Seismic Source Arrays Towed Behind Ship

Geometry Diagram of Nordic Explorer and Toowed Seismic Source Arrays and Multiple Streamers
Schematic diagram looking down on geometry of ship, seismic
source array (yellow) composed multiple groups, and
four towed multichannel seismc streamers, which are directed away
from seismic sources by diverters (orange)


Diagram of Full 3-D Seismic Acquisition Deployment

Seismic Display in Lab
Monitoring Quality During Acquisition

©Copyright 2009
July 23, 2009

Send to Don Reed

Department of Geology
San Jose State University
NanTroSEIZE Drilling Objectives
Modified from IODP Nankai Trough Seismogenic Zone Experiment

The Acquisition of the 3-D Survey Continues, Day after Day - How is Life on the Ship at Other Times