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Precipitable water (measured in millimeters or inches) is the amount of water in a column of the atmosphere. The precipitable water value is the depth that would be achieved if all the water in that column were precipitated as rain.
Additional recommended knowledge
There are different techniques:
- One type of measurement is based on the measurement of the solar irradiance on two wavelengths, one in a water absorption band, and the other not. The precipitable water column is determined using the irradiances in these bands and the Beer-Lambert law.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Precipitable_water". A list of authors is available in Wikipedia.|