Lecture 3 - Atmospheric Evolution, Box Models
4
Stratopause Tropopause (log scale)
-
Upload
stephan-cho -
Category
Documents
-
view
214 -
download
0
description
Lecture on Box models and atmosphere.
Transcript of Lecture 3 - Atmospheric Evolution, Box Models
-
Stratopause
Tropopause
(log scale)
-
Cosmic abundanceof elements in theof elements in theUniverse as a function of atomic number. Abundancesare scaled so thatSilicon = 104.Adapted from Mason (1966).Mason (1966).
Derived from spectroscopic studies
f th l t dof the sun, supplemented by chemical analyses of meteorites.
Atomic Number
-
Rise of oxygen: yg
emergence of visible
life
Atmospheric composition i t ll dis controlled,
to a large extent, by , y
bio-geo-chemical
processesprocesses
-
Earths atmospheric composition evolved over billions of yearsy
Rise of O2 & O3