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. 2010 Feb 8;107(15):6687–6692. doi: 10.1073/pnas.0912121107

Table 2.

Partial pressure of water

Experiment Int abs 1,550 cm-1 Int abs 1,918 cm-1 Int abs 3,920 cm-1 Avg N/v, molecule cm-3 PH2O, atm
1 0.003 0.003 0.002 1.3 × 1015 5.4 × 10-5
2 0.003 0.003 0.002 1.3 × 1015 5.4 × 10-5
3 0.003 0.003 0.002 1.3 × 1015 5.4 × 10-5
4 0.008 0.006 0.005 3.2 × 1015 1.3 × 10-4

Partial pressures, PH2O, of water determined from experimental spectra and HITRAN. Integrated absorbance (Int abs) for each experimental water line was taken. Water lines at 1,550; 1,918; and 3,920 cm-1 had the following cross-sections: 2.88 × 1020, 2.93 × 1020, and 2.61 × 1020 cm molecule-1 (55).