Class Notes (839,590)
Canada (511,419)
Biology (6,826)
Ben Rubin (86)
Lecture

Biology 2485B - Lec 6.docx

2 Pages
67 Views

Department
Biology
Course Code
Biology 2485B
Professor
Ben Rubin

This preview shows 80% of the first page. Sign up to view the full 2 pages of the document.
Description
Lec 6 Jan 28, 2014 Water • 97.5% of water is held in the ocean o 2.5% is held in fresh water sources • Hydrological cycle – measure in cubic km 3 o Residence time – average amount of time one molecule remains in one  reservoir  Low Turnover rate and big volume = high residence time  Low fluxes = high residence time o More water moves from ocean to atmosphere – flux Salt water • Key number – 3.5% average concentration of salt in the ocean o Higher in some condition  ▯colder water is saltier o Cold salt water has a tendency to sink due to higher density • Thermoclines – temperature gradient of water o Surface temperature is warmer in water places o Deep water is colder due to insulation from temperature o Higher salt concentration in cold deep water Upwelling • Wind moving perpendicular to the coast will cause movement of water up o Coriolis effect causes movement of water away from coast Ocean currents • South – currents go counter clockwise • North – currents go clockwise • Rotating currents called Gyres Ocean productivity • Measured by chemical energy produced by pho
More Less
Unlock Document

Only 80% of the first page are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit