Remote sensing of SO2, a data processing methodology
Abstract
The paper describes a methodology developed to process data obtained with a ground-based mobile correlation spectrometer (the COSPEC remote sensor) in a plume diffusion study. This mobile instrument views the plume from underneath and measures the vertically integrated SO2 concentration profile. A set of criteria has been determined to establish when the measured profiles are representative of plume concentrations and, if they are, to determine a projecting plane. Two types of averages can be made with respect to the projected profiles: (1) an Eulerian or space average which yields information on the absolute diffusion, and a pseudo-Lagrangian or center-of-gravity average which gives an insight into the turbulent and/or wind-shear-dominated relative diffusion. The average profiles can be used to develop a methodology for obtaining mass flows and stack emissions.
- Publication:
-
Sensing of Environmental Pollutants
- Pub Date:
- 1978
- Bibcode:
- 1978sep..conf...30M
- Keywords:
-
- Air Pollution;
- Atmospheric Diffusion;
- Data Processing;
- Plumes;
- Remote Sensors;
- Sulfur Dioxides;
- Data Acquisition;
- Exhaust Gases;
- Mass Transfer;
- Spectrometers;
- Wind Velocity;
- Instrumentation and Photography