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. IODP 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
13. Multichannel Seismic Streamers

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Ship and raypaths diagram
Diagram of Seismic Reflection Method Showing Ship with hull-mounted echo-sounder and towing sound source (green dot) and hydrophone streamer behind ship (modified from French Research Institute for Exploitation of the Sea) http://www.ifremer.fr/fleet/equipements_sc/animationflash/sismique.htm


Close up of Multichannel Streamer on Reel


Multichannel Streamer on Reel


Nordic explorer at Sea
R/V Nordic Explorer towing acoustic source and
Four Multichannel Streamers, each 4.5 km-long (2.8 miles long)
s

©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

3-D Seismic Acquisition - Using Multiple Source Arrays and Four Multichannel Streamers - The Full Gear Deployment