Precipitable water in the atmospheric boundary layer determined by air humidity
2001
Smolen, F. | Ostrozlik, M. (Slovak Academy of Science, Bratislava (Slovak Republic). Geophysical Inst.)
Total amount of the water vapour in the atmosphere is defined as a column of precipitable water in g/square cm. Precipitable water represents a certain water layer that we often indicate as an optical depth of water vapour. To express the optical depth of water vapour various empirical relations were used. A comparison of the obtained results shows that the corresponding values very often differ by 10%. Assuming that the optical path at the upper boundary of the atmosphere equals zero, then we can express the corrected optical depth of the water vapour at the arbitrary level by the given relation
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