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| Absorption (of light) coefficient of water in the visible and near infrared | Parent topic |

Fig. 2. Some of the representative data (gray squares, ■) on the absorption coefficient of light by pure water (H2O) in the UV to NIR spectral range. The scattering coefficient of water (BLUE curve; a least-squares fit, Eq. 4.128 in Jonasz M and Fournier 2007, to the data of Morel A 1974: wavelength 0.35-0.60 µm) is shown for comparison and also because some absorption coefficient data shown here, obtained by using the transmission measurement, contain unspecified contribution from light scattering by water and impurities. Fly the mouse over any "show" link below to highlight the corresponding data (follow the "summary" link to access the data file via the parent webpage):
Some of the representative data on the absorption of light by water can also be viewed in a wide wavelength range (Fig. 1) and IR (Fig. 3).
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a - these data, quoted by Querry MR et al 1991, were obtained by Segelstein DJ 1981
b - results that are substantially similar to those James HR and Birge 1938 have been obtained by Clarke GL and James 1939
c - in this wavelength range, these are the data of Kou L et al 1993 (summary)
c1 - composite data: 0.380-0.7275 µm - Pope RM and Fry 1997 (summary), 0.7275-0.8000 µm - Kou L et al 1993 (summary)
c2 - composite data: 0.200-0.335 µm - Smith RC and Baker 1981, 0.340-0.370 - Sogandares FM and Fry 1997 (summary), 0.380-0.7275 µm - Pope RM and Fry 1997 (summary)
t - results of transmission measurements that contain unspecified contribution of light scattering by water and impurities
t1 - 0.300-0.394 µm data are those of Boivin LP et al 1986 that contain unspecified contribution of light scattering by water and impurities. To display these data in the above figure, fly the mouse over "show" in the caption line "Boivin LP et al 1986 ...").
t2 - results of transmission measurements that contain unspecified, but insignificant in this wavelength range, contribution of light scattering by water and impurities
| CITATION: Jonasz M. 2006. Absorption coefficient of water: Data sources (www.tpdsci.com/Tpc/AbsCfOfWaterDat.php). In: Top. Part. Disp. Sci. (www.tpdsci.com). |
HISTORY: Published: 21-Nov-2007 Modified: 06-May-2011 Peer-reviewed: 17-Dec-2007 |
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