1. Bathymetry: Mapping the Sea Floor
So why do we map the sea floor?
What do we want to know (2 general things)? 1

3. Multi-beam SONAR Swath
Click on this image to run the animation.
The swath of the beam is equal to 3 times the depth being mapped. E.g., if you are multi-beam mapping at 1,000 feet deep, the swath of soundings would be 3,000 feet wide. 3

4. Deploying Side-Scan SONAR4

5. Multi-Beam SONAR 5

6. Seamounts off New England
False color map

7. Hudson Canyon 7

8. Hudson Valley, NY
      8

9. Alderdice Bank Gulf of Mexico9

10. Galapagos Rift Spreading Center10

11. MATCH THE 3-D BATHYMETRIC MAP with Its raw data
A: Hudson Canyon
B: Blake Ridge
C: Loihi Seamount

12. Hudson Canyon

13. Blake Ridge

14. Loihi Volcano Bathymetric map of
Hawaii’s youngest volcano off the southeastern coast of the Big Island of Hawaii 14

15. Loihi Seamount 15