https://api.github.com/users/kurt-hectic kurt-hectic 5 2020-04-29T14:25:36.928Z Unit of column abundance of molecules in the atmosphere. 1 DU is defined to be 0.01 mm thickness at STP (standard temperature and pressure, 0.00 degC and 1013.25 hPa) and is equivalent of 2.6867 x 1E20 molecules per square metre. DU Unit of column abundance of molecules in the atmosphere. 1 DU is defined to be 0.01 mm thickness at STP (standard temperature and pressure, 0.00 degC and 1013.25 hPa) and is equivalent of 2.6867 x 1E20 molecules per square metre. Dobson Unit DU Dobson Unit 2020-04-29T14:26:16.462Z 2022-06-22T12:39:46.114Z 2019-10-14T16:36:31.546Z