1) Unit of measurement
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https://www.crosswordclues.com/clue/dobson-unit
Box art for North American version of R-Type Final. (C) Irem Software Engineering Source: == Rationale for fair use in R-Type Final== ...
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http://en.wikipedia.org/wiki/Dobson_Unit
The Dobson unit (DU) is a unit of measurement of the columnar density of a trace gas in the Earth`s atmosphere. It originated, and continues to be widely used, as a measure of total-column ozone, which is dominated by ozone in the stratospheric ozone layer. One Dobson unit refers to a layer of gas that would be 10 µm thick under standard tempera....
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http://en.wikipedia.org/wiki/Dobson_unit
The unit of `Column (or Total) Ozone' - the amount of ozone directly above a point on the Earth's surface. More Information.
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https://www.encyclo.co.uk/local/20751
Unit used to measure the abundance of ozone in the atmosphere. One Dobson unit is the equivalent of 2.69 x 1016 molecules of ozone/cm2.
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https://www.encyclo.co.uk/local/21182
No exact match found.
