Difference between revisions of "Material/Constituent elements of air"
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| − | Approximate composition of dry atmosphere by volume: | + | <small>Approximate composition of dry atmosphere by volume:</small> |
| − | [[Image:Cloudy blue sky.jpg|right| | + | [[Image:Cloudy blue sky.jpg|right|180px|Sky]] |
{| | {| | ||
!width="150px" style="background:#E5E5E5;" align = "left" | Element !! width="80px" style="background:#E5E5E5;" align = "right" | % vol | !width="150px" style="background:#E5E5E5;" align = "left" | Element !! width="80px" style="background:#E5E5E5;" align = "right" | % vol | ||
|- | |- | ||
| − | |Nitrogen ||align = "right" | 78.08 | + | |{{wp4|Nitrogen}} ||align = "right" | 78.08 |
|- | |- | ||
| − | |Oxygen ||align = "right" | 20.95 | + | |{{wp4|Oxygen}} ||align = "right" | 20.95 |
|- | |- | ||
| − | |Argon ||align = "right" | 0.93 | + | |{{wp4|Argon}} ||align = "right" | 0.93 |
|- | |- | ||
| − | |Carbon ||align = "right" | < 0.01 <!-- see note on talk (discussion) page for working --> | + | |{{wp4|Carbon}} ||align = "right" | < 0.01 <!-- see note on talk (discussion) page for working --> |
|- | |- | ||
| − | |Others ||align = "right" | trace | + | |{{wp4|Others}} ||align = "right" | trace |
|- | |- | ||
| − | |colspan=2 |<br> | + | |colspan=2 |<br>Not included in above dry atmosphere: |
|- | |- | ||
| − | |Water vapour <font size=1>''(variable)''</font> || align = "right" |~1% <!--need to do similar working on this (as with carbon above) to show as hydrogen--> | + | |{{wp|Water_vapor|Water vapour}} <font size=1>''(variable)''</font> || align = "right" |~1% <!--need to do similar working on this (as with carbon above) to show as hydrogen--> |
|} | |} | ||
| + | |||
<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]''< | + | ''Edited text from [http://en.wikipedia.org/wiki/Earth%27s_atmosphere]''<br> |
| + | ''Element links in list point to Wikipedia article''</font> | ||
Latest revision as of 12:58, 18 July 2010
Approximate composition of dry atmosphere by volume:
| 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]
Element links in list point to Wikipedia article
