Mobile Atmospheric Pollutant Mapping System (MAPMS). Final report, 1 Aug 84-30 Apr 88
Technical Report
·
OSTI ID:5895435
The Mobile Atmospheric Pollutant Mapping (MAPM) System is a dual CO2 laser, differential absorption lidar (DIAL) system designed and developed for the remote, range-resolved measurement of concentrations of trace molecular species and aerosols optical depths. In the DIAL technique, atmospheric aerosols provide the backscatter for a pulsed laser beam; one laser is tuned to an absorbing wavelength of the molecular species of interest; the other is tuned to a nearby non-absorbing wavelength. The derivative of the logarithm of the ratio of the two signals is used to determine the gas concentration. Heterodyne detection is employed with MAPM to enable long-range measurements. MAPM has been demonstrated with ambient water vapor, ozone, and aerosols, with a free release of ethylene, and with various organic solvent vapors in a sample chamber.
- Research Organization:
- California Inst. of Tech., Pasadena, CA (United States)
- OSTI ID:
- 5895435
- Report Number(s):
- AD-A-242998/3/XAB
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
54 ENVIRONMENTAL SCIENCES
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
ABSORPTION
AEROSOLS
AIR POLLUTION MONITORING
AIR SAMPLERS
ALKENES
CARBON DIOXIDE LASERS
COLLOIDS
DESIGN
DISPERSIONS
EQUIPMENT
ETHYLENE
EXPOSURE CHAMBERS
FLUIDS
GAS LASERS
GASES
HYDROCARBONS
LASERS
MEASURING INSTRUMENTS
MONITORING
OPTICAL PROPERTIES
OPTICAL RADAR
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
OZONE
PHYSICAL PROPERTIES
RADAR
RANGE FINDERS
REMOTE SENSING
SAMPLERS
SOLS
SOLVENTS
VAPORS
WATER VAPOR
540120* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (1990-)
ABSORPTION
AEROSOLS
AIR POLLUTION MONITORING
AIR SAMPLERS
ALKENES
CARBON DIOXIDE LASERS
COLLOIDS
DESIGN
DISPERSIONS
EQUIPMENT
ETHYLENE
EXPOSURE CHAMBERS
FLUIDS
GAS LASERS
GASES
HYDROCARBONS
LASERS
MEASURING INSTRUMENTS
MONITORING
OPTICAL PROPERTIES
OPTICAL RADAR
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
OZONE
PHYSICAL PROPERTIES
RADAR
RANGE FINDERS
REMOTE SENSING
SAMPLERS
SOLS
SOLVENTS
VAPORS
WATER VAPOR