science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: water					Other Names:

Formula: H2O						CAS-No.: 7732-18-5

Study: uv absorption cross sections

                
Authors: J. Du, L. Huang, Q. Min, L. Zhu

Title: The influence of water vapor absorption in the 290–350 nm region on solar radiance: Laboratory studies and model simulation

Journal/Source: Geophys. Res. Lett., 40 (17), 4788-4792, (2013); DOI: 10.1002/grl.50935


Data: table, diagram

Energy/Wavelength range: 290 - 350 nm

Resolution: 

Temperature: 293 K

Temperature dependence: no

Pressure/Concentration: 

Phase: gas-phase

pH


Comments: The authors have determined absorption cross sections of water vapor at 5 nm intervals in the 290-350 nm region, by using cavity ring-down spectroscopy. 
Water vapor cross-section values range from 2.94 x 10-24 to 2.13 x 10-25 cm2/molecule in the wavelength region studied.

Author to whom correspondence should be addressed: (e-mail address):