Atmospheric Water Vapour Differential Absorption Measurements with an Infrared Sounder.
Abstract
The atmospheric differential absorption by water vapour between tow CO2 laser transmission lines has been measured up to heights of 1.5 km with a groundbased sounder system. Water vapour profiles, some containing distinct layers, have been estimated from long and short pulse soundings, and compared with radiosonde measurements. Strongly scattering aerosol layers, often associated with temperature inversions, cause severe distortion of the long pulse differential absorption profiles, indicating the necessity of using a short pulse technique. This technique shows potential usefulness for the remote measurement of radio refractive index layers in the atmosphere. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Mar 01, 1982
- Accession Number
- ADA121145
Entities
People
- P. W. Baker