Remote sensing of pollutants computerized reduction of long-path absorption data. Technical report

Technical Report · Mon Jul 01 04:00:00 EDT 1974

OSTI ID:7330338

Derr, V E; Ackley, M H; Post, M J; Calfee, R F

Atmospheric gaseous pollutants are very numerous in industrial regions. It is estimated that 25 or more pollutant molecules may be found in the atmosphere in significant quantities. The measurement of the concentration of each gas from the complex spectrum obtained by a long-path infrared spectrophotometer requires the fitting of trial spectra composed from a library of spectra. The fitting procedure adjusts the concentrations of the trial spectra until a 'best fit' in a least-squares sense is produced. This report is a description of the physical, mathematical, and calculational principles and procedures for the use of a digital computer program to determine concentrations of atmospheric gases in a path of a few kilometers. Detailed instructions for the computer program and a library of spectra are provided. (GRA)

• Research Organization: National Oceanic and Atmospheric Administration, Boulder, Colo. (USA). Wave Propagation Lab.; Environmental Protection Agency, Washington, D.C. (USA)
• OSTI ID: 7330338
• Report Number(s): COM-75-11411; NOAA-TR-ERL-302; WPL-33
• Country of Publication: United States
• Language: English

Related Subjects

500200* -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
AIR POLLUTION
ALKANES
CARBON COMPOUNDS
CARBON MONOXIDE
CARBON OXIDES
CHALCOGENIDES
COMPUTER CODES
CRYOGENIC FLUIDS
FLUIDS
FORTRAN
HYDROCARBONS
INDUSTRIAL WASTES
INFRARED SPECTRA
METHANE
ORGANIC COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
POLLUTION
PROGRAMMING LANGUAGES
REMOTE SENSING
RESOLUTION
SPECTRA
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
WASTES