ATM 107 The Oceans

Ch. 4 – Sea Floor/Sediments

Wed., 16 September 2015

Daily Announcements:

1) Exam #1 is Wednesday, September 30.

Song #1: “How Deep is the Ocean” by Diana Krall

Song #2: “Once In a Lifetime” by Talking Heads

Text Source Today: 4.1, 4.2

· Measuring Ocean Depths Notes Template

· Bathymetry of the Sea Floor PDF DOC

· Continental Margin

· Ocean Basin Floor

· Birth of an Atoll

Study Guide Material (Stacey’s Guide) :

1) How are ocean depths measured? What is a “fathom?”

2) How does the speed of sound in water compare to that in air?

3) Sketch and label a profile of a passive continental margin.

4) How are continental shelves formed and eroded?

5) What is the difference between a “passive” and “active” continental margin?

6) What are “submarine canyons?” Turbidity currents? Turbidites?

7) Sketch and label the profile of an ocean basin floor.

8) Know the difference between abyssal plain, abyssal basin and abyssal sub-basin.

9) What are abyssal hills? Seamounts? Guyots?

10) Where do coral reefs form? How do atolls form?