Slant Path Low Visibility Atmospheric Conditions.
Abstract
A slant path for measuring light transmission in two windows: 0.35-0.90 micrometers and 1.25-12.75 has been installed. Transmitters are at 1650 meters ASL on a mountain peak, receivers at the valley institute. (Lower limit less than 0, 1% transmission). Distance 2,7 kilometers, inclination 19 degrees. Recorded at both stations: Precip. rate, temp., hum., aerosol particle spectrum 0.4-0.2 micrometers phi, visibility. Temp. and hum. profiles are recorded by sondes on a cable car or radiosondes. Aerosol backscatter between valley and mountain station is recorded by a multi-frequency slant lidar. This system serves to study dependence of light transmiss. on the met. situation (fog, precipit., hum.) and aerosol cond. during strong haze/mist, and on air mass type in cases of vertical inhomogeneity. Acquired data are intercorrelated and used for improved LOWTRAN. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Sep 01, 1980
- Accession Number
- ADA096723
Entities
People
- Reinhold Reiter
- Rudolf Sladkovic
- Walter Carnuth
- Werner Funk