Difference between revisions of "Material/Constituent elements of air"

From AdCiv
Jump to: navigation, search
Line 22: Line 22:
 
<font size=1>''Source: [http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html NASA]''<br>
 
<font size=1>''Source: [http://nssdc.gsfc.nasa.gov/planetary/factsheet/earthfact.html NASA]''<br>
 
''Carbon dioxide updated (to 1998) by IPCC TAR table 6.1 [http://www.grida.no/climate/ipcc_tar/wg1/221.htm]. Figure for carbon extrapolated from this''<br>
 
''Carbon dioxide updated (to 1998) by IPCC TAR table 6.1 [http://www.grida.no/climate/ipcc_tar/wg1/221.htm]. Figure for carbon extrapolated from this''<br>
''Edited text from http://en.wikipedia.org/wiki/Earth%27s_atmosphere''</font><br>
+
''Edited text from [http://en.wikipedia.org/wiki/Earth%27s_atmosphere]''</font><br>

Revision as of 14:47, 9 September 2006

Approximate composition of dry atmosphere by volume:

Sky
Element  % vol
Nitrogen 78.08
Oxygen 20.95
Argon 0.93
Carbon < 0.01
Others trace

Not included in above dry atmosphere:
Water vapour (variable) ~1%

Source: NASA
Carbon dioxide updated (to 1998) by IPCC TAR table 6.1 [1]. Figure for carbon extrapolated from this
Edited text from [2]