Den atmosfæriske gas, der hovedsageligt er ansvarlig for drivhuseffekten?
Kuldioxid
Greenhouse gas
Sammensat
 
Formel
 
Koncentration i
atmosfære (ppm)
Bidrag
(%)


Vanddamp og skyer
H
2O
10-50,000(A)
36-72%


Kuldioxid
CO2
~400
9-26%


Metan
CH
4
~1.8
4-9%


Ozon
O
3
2-8(B)
3-7%


noter:
(A) Vanddamp varierer stærkt lokalt
(B) Koncentrationen i stratosfæren. Ca. 90 % af ozonet i Jordens atmosfære findes i stratosfæren.
Carbon dioxide
Greenhouse gas
Compound
 
Formula
 
Concentration in
atmosphere (ppm)
Contribution
(%)


Water vapor and clouds
H
2O
10–50,000(A)
36–72%  


Carbon dioxide
CO2
~400
9–26%


Methane
CH
4
~1.8
4–9%  


Ozone
O
3
2–8(B)
3–7%  


notes:
(A) Water vapor strongly varies locally
(B) The concentration in stratosphere. About 90% of the ozone in Earth's atmosphere is contained in the stratosphere.
Greenhouse gas