Atmosphere 2011, 2(3), 553-566; doi:10.3390/atmos2030553
Article

Measuring Trace Gas Emission from Multi-Distributed Sources Using Vertical Radial Plume Mapping (VRPM) and Backward Lagrangian Stochastic (bLS) Techniques

1,* email, 1email, 1email and 2email
Received: 1 July 2011; in revised form: 26 August 2011 / Accepted: 8 September 2011 / Published: 23 September 2011
(This article belongs to the Special Issue Atmospheric Emissions from Agricultural Practices)
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract: Two micrometeorological techniques for measuring trace gas emission rates from distributed area sources were evaluated using a variety of synthetic area sources. The vertical radial plume mapping (VRPM) and the backward Lagrangian stochastic (bLS) techniques with an open-path optical spectroscopic sensor were evaluated for relative accuracy for multiple emission-source and sensor configurations. The relative accuracy was calculated by dividing the measured emission rate by the actual emission rate; thus, a relative accuracy of 1.0 represents a perfect measure. For a single area emission source, the VRPM technique yielded a somewhat high relative accuracy of 1.38 ± 0.28. The bLS technique resulted in a relative accuracy close to unity, 0.98 ± 0.24. Relative accuracies for dual source emissions for the VRPM and bLS techniques were somewhat similar to single source emissions, 1.23 ± 0.17 and 0.94 ± 0.24, respectively. When the bLS technique was used with vertical point concentrations, the relative accuracy was unacceptably low.
Keywords: vertical radial plume mapping (VRPM); backward Lagrangian stochastic (bLS); open-path tunable diode laser absorption spectroscopy; multi-distributed sources
PDF Full-text Download PDF Full-Text [264 KB, uploaded 23 September 2011 16:01 CEST]

Export to BibTeX |
EndNote


MDPI and ACS Style

Ro, K.S.; Johnson, M.H.; Hunt, P.G.; Flesch, T.K. Measuring Trace Gas Emission from Multi-Distributed Sources Using Vertical Radial Plume Mapping (VRPM) and Backward Lagrangian Stochastic (bLS) Techniques. Atmosphere 2011, 2, 553-566.

AMA Style

Ro KS, Johnson MH, Hunt PG, Flesch TK. Measuring Trace Gas Emission from Multi-Distributed Sources Using Vertical Radial Plume Mapping (VRPM) and Backward Lagrangian Stochastic (bLS) Techniques. Atmosphere. 2011; 2(3):553-566.

Chicago/Turabian Style

Ro, Kyoung S.; Johnson, Melvin H.; Hunt, Patrick G.; Flesch, Thomas K. 2011. "Measuring Trace Gas Emission from Multi-Distributed Sources Using Vertical Radial Plume Mapping (VRPM) and Backward Lagrangian Stochastic (bLS) Techniques." Atmosphere 2, no. 3: 553-566.

Atmosphere EISSN 2073-4433 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert