Composition of the atmosphere Flashcards Preview

ENVS2- the atmosphere > Composition of the atmosphere > Flashcards

Flashcards in Composition of the atmosphere Deck (19):
1

Nitrogen

78%

2

Oxygen

21%

3

Carbon Dioxide

0.038%

4

Rare gases

1%

5

Methane

0.00017%

6

Ozone

0.0000007%

7

Water vapour

Up to 4%
Variable

8

Used in proteins

Nitrogen

9

Aerobic respiration

Oxygen

10

Photosynthesis

Carbon Dioxide

11

Source of carbon for some chemoautotrophs

Methane

12

Absorbs UV light

Ozone

13

Dynamic equilibrium

2 processes which balance each other out

14

Photosynthesis and respiration

Dynamic equilibrium

15

Troposphere

10KM
20 degrees celcius down to -50 degrees celcius with increased altitude

16

Stratosphere

40KM
-50 degrees celcius up to 0 degrees celcius with increased altitude

17

Mesosphere

30KM
0 degrees cecius down to -90 degrees celcius with increased altitude

18

Thermosphere

Increased temperature with increased altitude

19

Earths energy budget

Incoming solar radiation
Some is absorbed, some is reflected
Heat is reradiated
Some is reabsorbed, some is absorbed by greenhouse gases, some is released to space