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組成 [edit]
氣體 | 體積(A) | ||
---|---|---|---|
ppmv(B) | % | ||
Chit |
N2 | 780,840 | 78.084 |
O2 | 209,460 | 20.946 | |
Argon | Ar | 9,340 | 0.9340 |
CO2 | 400 | 0.04[2] | |
Neon | Ne | 18.18 | 0.001818 |
Helium | He | 5.24 | 0.000524 |
Methane | CH4 | 1.79 | 0.000179 |
H2O | 10–50,000(D) | 0.001%–5%(D) | |
(A) 佇 |
參照 [edit]
- ↑ Source for figures: Carbon dioxide, NOAA Earth System Research Laboratory, (updated 2013-03). Methane, IPCC TAR table 6.1 Archived 2007-06-15 at the Wayback Machine., (updated to 1998). The NASA total was 17 ppmv over 100%, and CO2was increased here by 15 ppmv. To normalize, N2 should be reduced by about 25 ppmv and O2 by about 7 ppmv.
- ↑ Vaughan, Adam (2015-05-06). "Global carbon dioxide levels break 400ppm milestone". The Guardian (ēng Eng-gí). ISSN 0261-3077. 2016-12-25 khòaⁿ--ê.
- ↑ Wallace, John M. and Peter V. Hobbs. Atmospheric Science; An Introductory Survey.Elsevier. Second Edition, 2006.ISBN 978-0-12-732951-2. Chapter 1
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