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- W227545188 abstract "CELiS (Compact Eyesafe Lidar System) is an elastic backscatter light detection and ranging (lidar) system developed for monitoring air quality environmental compliance regarding particulate matter (PM<sub>k</sub>) generated from off-road use of wheeled and tracked vehicles as part of the SERDP (Strategic Environmental Research and Development Program) Measurement and Modeling of Fugitive Dust Emission from Off-Road DoD Activities program. CELiS is small, lightweight and easily transportable for quick setup and measurement of PM<sub>k</sub> concentration and emissions. CELiS operates in a biaxial configuration at the 1.5μm eyesafe wavelength with a working range of better than 6 km and range resolution of 5 m. In this paper, we describe an algorithm that allows for semi-quantitative PM<sub>k</sub> determination under a set of guiding assumptions using a single wavelength lidar. Meteorological and particle measurements are used to estimate the total extinction (α) and backscatter (β) at a calibration point located at the end range of the lidar. These α and β values are used in conjunction with the Klett inversion to estimate α and β over the lidar beam path. A relationship between β, α and PM<sub>k</sub> mass concentrations at calibration points is developed, which then allows the β and α values derived to be converted to PM<sub>k</sub> at each lidar bin over the lidar beam path. CELiS can be used to investigate PM<sub>k</sub> concentrations and emissions over a large volume, a task that is very difficult to accomplish with typical PM<sub>k</sub> sensors." @default.
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- W227545188 date "2015-05-19" @default.
- W227545188 modified "2023-09-27" @default.
- W227545188 title "Single-wavelength lidar retrieval algorithm of particulate matter concentration using CELiS (compact eyesafe lidar system) a 1.5 μm elastic lidar system" @default.
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- W227545188 doi "https://doi.org/10.1117/12.2177049" @default.
- W227545188 hasPublicationYear "2015" @default.
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