Retrieval of physical properties of particulate emission from animal feeding operations using three-wavelength elastic lidar measurements

Vladimir V. Zavyalov; Christian Marchant; Gail E. Bingham; Thomas D. Wilkerson; Jason Swasey; Christopher Rogers; Douglas Ahlstrom; Paul Timothy

doi:10.1117/12.680967

1 September 2006 Retrieval of physical properties of particulate emission from animal feeding operations using three-wavelength elastic lidar measurements

Vladimir V. Zavyalov, Christian Marchant, Gail E. Bingham, Thomas D. Wilkerson, Jason Swasey, Christopher Rogers, Douglas Ahlstrom, Paul Timothy

Author Affiliations +

Proceedings Volume 6299, Remote Sensing of Aerosol and Chemical Gases, Model Simulation/Assimilation, and Applications to Air Quality; 62990S (2006) https://doi.org/10.1117/12.680967
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

Agricultural operations produce a variety of particulates and gases that influence ambient air quality. Lidar (LIght Detection And Ranging) technology provides a means to derive quantitative information of particulate spatial distribution and optical/physical properties over remote distances. A three-wavelength scanning lidar system built at the Space Dynamic Laboratory (SDL) is used to extract optical parameters of particulate matter and to convert these optical properties to physical parameters of particles. This particulate emission includes background aerosols, emissions from the agricultural feeding operations, and fugitive dust from the road. Aerosol optical parameters are retrieved using the widely accepted solution proposed by Klett. The inversion algorithm takes advantage of measurements taken simultaneously at three lidar wavelengths (355, 532, and 1064 nm) and allows us to estimate the particle size distribution. A bimodal lognormal particle size distribution is assumed and mode radius, width of the distribution, and total number density are estimated, minimizing the difference between calculated and measured extinction coefficients at the three lidar wavelengths. The results of these retrievals are then compared with simultaneous point measurements at the feeding operation site, taken with standard equipment including optical particle counters, portable PM₁₀ and PM_2.5 ambient air samplers, multistage impactors, and an aerosol mass spectrometer.

Citation Download Citation

Vladimir V. Zavyalov, Christian Marchant, Gail E. Bingham, Thomas D. Wilkerson, Jason Swasey, Christopher Rogers, Douglas Ahlstrom, and Paul Timothy "Retrieval of physical properties of particulate emission from animal feeding operations using three-wavelength elastic lidar measurements", Proc. SPIE 6299, Remote Sensing of Aerosol and Chemical Gases, Model Simulation/Assimilation, and Applications to Air Quality, 62990S (1 September 2006); https://doi.org/10.1117/12.680967

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available