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Proceedings Paper

Combination of lidar and plume-velocity measurements for remote monitoring of industrial emissions
Author(s): Petter K. A. Weibring; Mats Andersson; Hans Edner; Sune Svanberg
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Paper Abstract

We describe a new method for gas flux measurements using a combination of differential absorption lidar (DIAL) and wind videography. The wind speed was measured by an imaging method, which calculates the horizontal displacement of the plume with cross correlation techniques. High spatial and temporal resolution is achieved with histogram equalization and window filtering techniques. Simultaneous measurements of the distance, the direction of the plume and the integrated concentration were provided through the lidar measurements. Alternative methods to measure the wind speed at different heights have been used to validate precision and accuracy of the new method for different geometrical combinations. An example of SO2 flux measurements from a paper pulp mill is presented.

Paper Details

Date Published: 26 May 1997
PDF: 4 pages
Proc. SPIE 3104, Lidar Atmospheric Monitoring, (26 May 1997); doi: 10.1117/12.275131
Show Author Affiliations
Petter K. A. Weibring, Lund Institute of Technology (Sweden)
Mats Andersson, Lund Institute of Technology (Sweden)
Hans Edner, Lund Institute of Technology (Sweden)
Sune Svanberg, Lund Institute of Technology (Sweden)

Published in SPIE Proceedings Vol. 3104:
Lidar Atmospheric Monitoring
Jean-Pierre Wolf, Editor(s)

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