Class Notes (834,351)
Canada (508,490)
Environment (894)
ENV100Y5 (713)
murk (80)
Lecture

Lecture 5

3 Pages
140 Views
Unlock Document

Department
Environment
Course
ENV100Y5
Professor
murk
Semester
Fall

Description
Lecture FiveSeptember 16 2011Atmosphere and HydrospherePrimitive VS Secondary Atmosphereo When it first formed the primitive atmosphere was lost because it was too hoto Secondary atmosphere was evolved via volcanic degassingo Most abundant gas that comes out of volcanoes is water vapourEarths early atmosphere waso Reducing opposite of oxidizing oxygen poorNo free oxygen all in compoundso Rich in CO3 CO SO2 CH4 NH4 NOX H2O vapourAll greenhouse gasesthats why it was hot o Densehigh atmospheric pressureLife forms would have been crushed o Hot o Not hospitable of life as we know it Interactions Atmosphere hydrosphere and geosphere interacted dynamically Very active and changeableo Surface cooled enough to sustain liquid watero Still hotwater participated and reevaporated Wateratmosphere gasesacidsweathering of materialso Ocean began to accumulate 44
More Less

Related notes for ENV100Y5

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