ATM 107 The Oceans

Ch. 6 – Chem. of Seawater

Wed., 7 October 2015

Daily Announcements:

1) Exam #1 grades are posted on Blackboard.

Song #1: “Bridge Over Troubled Water” by Simon & Garfunkel

Song #2: “Have You Ever Seen the Rain” by Creedence Clearwater Revival

Text Source Today: 6.2, 6.3, 6.4

· Oxygen (O₂), Carbon Dioxide (CO₂) and pH Notes Template

· Carbon Dioxide Cycle PDF DOC

· Oxygen Balance

· Other Constituents

Study Guide Material (Stacey’s Guide) :

1) How do biological activities in the oceans affect the vertical distribution of oxygen

and carbon dioxide in the oceans? What is meant by “compensation depth?”

2) How does CO₂ act as a “buffer” in the oceans?

3) What is meant by “pH?” How does seawater’s pH rate against other substances?

4) Is seawater generally “acidic” or “alkaline?”

5) Describe the “carbon dioxide cycle.”

6) Explain the “oxygen balance” in the oceans.

7) What “other substances” are in the oceans? What are nutrients?

8) Where is the most saline body of water on Earth, outside Antarctica?

9) Where is the most saline lake on Earth (including Antarctica)?

10) What is so unusual about Antarctica’s Don Juan Pond?