Correlation study between suspended particulate matter and portable automated lidar data

Lagrosas, Nofel; Kuze, Hiroaki; Takeuchi, Nobuo; Fukagawa, Shunksuke; Bagtasa, Gerry; Yoshii, Yotsumi; Naito, Suekazu; Yabuki, Masanori

doi:10.1016/j.jaerosci.2004.10.007

Cited by 20 publications

(11 citation statements)

References 26 publications

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“…The literature reports MEE values for 355 nm, 532 nm, 550 nm, 580 nm, 723.37 nm ranging from 0.2 m 2 g −1 (coarse particles dominant) to 14 m 2 g −1 (fine particles dominant) (Dubinsky et al, 1985;Tang, 1996;Dillner et al, 2001;Mallet et al, 2003;Lagrosas et al, 2005). The literature does not report MEE values for 1064 nm.…”

Section: Mee Resultsmentioning

confidence: 99%

“…Studies show that the extinction (e.g. estimated from the lidar returns) is highly correlated with PM 10 and PM 2.5 aerosol concentrations (Del Gusta and Marini, 2000;Lagrosas et al, 2005;Husar and Falke, 1996;Di Girolamo et al, 1999). The quantity that relates extinction and mass is called Mass Extinction Efficiency (MEE) (Lagrosas et al, 2005).…”

Section: Aerosol Mass Concentrationmentioning

confidence: 99%

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Vertical distribution of aerosols in the vicinity of Mexico City during MILAGRO-2006 Campaign

et al. 2010

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Abstract. On 7 March 2006, a mobile, ground-based, vertical pointing, elastic lidar system made a North-South transect through the Mexico City basin. Column averaged, aerosol size distribution (ASD) measurements were made on the ground concurrently with the lidar measurements. The ASD ground measurements allowed calculation of the column averaged mass extinction efficiency (MEE) for the lidar system (1064 nm). The value of column averaged MEE was combined with spatially resolved lidar extinction coefficients to produce total aerosol mass concentration estimates with the resolution of the lidar (1.5 m vertical spatial and 1 s temporal). Airborne ASD measurements from DOE G-1 aircraft made later in the day on 7 March 2006, allowed the evaluation of the assumptions of constant ASD with height and time used for estimating the column averaged MEE.The results showed that the aerosol loading within the basin is about twice what is observed outside of the basin. The total aerosol base concentrations observed in the basin are of the order of 200 µg/m 3 and the base levels outside are of the order of 100 µg/m 3 . The local heavy traffic events can introduce aerosol levels near the ground as high as 900 µg/m 3 .The article presents the methodology for estimating aerosol mass concentration from mobile, ground-based lidar measurements in combination with aerosol size distribution measurements. An uncertainty analysis of the methodology is also presented.

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Section: Mee Resultsmentioning

confidence: 99%

Section: Aerosol Mass Concentrationmentioning

confidence: 99%

Vertical distribution of aerosols in the vicinity of Mexico City during MILAGRO-2006 Campaign

et al. 2010

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“…Despite this, the literature reports MEE values ranging from 1. (Husar and Falke, 1996;Di Girolamo et al, 1999;Lagrosas et al, 2005). The MEE estimated from the ASDs in this study ranged from 0.5 m 2 g −1 to 1.3 m 2 g −1 (with the particle density, ρ, assumed 1 g/cm 3 for all the calculations).…”

Section: Mee Resultsmentioning

confidence: 65%

Vertical distribution of aerosols in Mexico City during MILAGRO-2006 campaign

Lewandowski¹,

Eichinger²,

Holder³

et al. 2009

Preprint

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Abstract. On 7 March 2006, a mobile, ground-based, vertical pointing, elastic lidar system made a North-South transect through the Mexico City basin. Aerosol size distribution measurements, made concurrently, allowed calculation of the mass extinction efficiency (MEE) for the lidar system (1064 nm). MEE combined with an inverted lidar extinction coefficient resulted in total aerosol vertical mass estimates with 1.5 m vertical spatial and 1 s temporal resolution. The results showed that the aerosol loading within the basin is about twice what is observed outside of the basin. The total aerosol base concentrations observed in the basin are of the order of 200 μg/m3 and the base levels outside are of the order of 100 μg/m3. The local heavy traffic events can introduce aerosol levels near the ground as high as 900 μg/m3. The lidar-based total aerosol loading compares with the hourly-averaged PM10 ground observations conducted by the RAMA monitoring network throughout Mexico City.

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“…A Mass Extinction Efficiency (MEE) approach (Lagrosas et al, 2005;Lewandowski et al, 2010) has been used to convert the aerosol extinction coefficient profiles derived from the lidar-sun-photometer-in-situ synergy into mass concentration profiles. The MEE relates the total column extinction coefficient to the total mass concentration of aerosols, computed for defined aerosol characteristics, and is defined by Eq.…”

Section: Methodsmentioning

confidence: 99%

Measurement Report: Spatial and vertical variability of aerosol optical properties during MOABAI mobile on-road campaign in North China Plain

Popovici

Deng

Goloub

et al. 2021

Preprint

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Abstract. The North China Plain (NCP) has been experiencing serious air quality problems since the rapid urbanization and industrialization and has been the subject of many studies over the years. This work presents mapping at a fine scale of the aerosol spatial and vertical variability obtained during the MOABAI campaign (Mobile Observation of Atmosphere By vehicle-borne Aerosol measurement Instruments) using a van equipped with a micro-pulse LIDAR, a sun photometer and in situ instruments, performing on-road measurements. The campaign was conducted from 5 May to 23 May 2017 and had as a main objective to map the pollutants distribution in Beijing and NCP area. A summary of aerosol properties during all measurement days and a comprehensive case study along the industrial Binhai New Area near Tianjin are presented. The highest AOD at 440 nm (1.34 and 1.9) were recorded during two heavy pollution episodes on 18 May and 19 May 2017, respectively. The lowest PBL (Planetary Boundary Layer) heights (< 1500 m) were recorded during the heavy pollution events, correlated with the highest AOD. Transport of dust from Gobi Desert was captured during the mobile measurements, impacting Beijing in the 9–13 May period. Exploring the NCP outside Beijing provided datasets in regions with lack of aerosol observation sites and allowed mapping higher aerosol concentrations when passing by polluted cities in NCP (Baoding, Tianjin and Tangshan). In this study, we provide the first mass concentration profiles derived from a mobile micro-pulse LIDAR, making use of complementary information on aerosol type from sun photometer and in situ data. The case study of 17 May 2017 revealed mean extinction coefficients of 0.14 ± 0.10 km−1 at 532 nm and total mass concentration of 80 ± 62 μg m−3 in the PBL (< 2000 m) for the mobile transect from Tianjin to Tangshan along the coast of Bohai Sea. The highest extinction (0.56 km−1) and mass concentrations (404 μg m−3) were found in the industrial Binhai New Area. The PM10 and PM2.5 fractions of the total mass concentration profiles were separated using the columnar size distribution derived from sun photometer measurements. A general good agreement was found between the lidar-derived PM concentrations at surface level and the ones recorded at the closest air quality stations along the transect, with the only exception along the industrial region near Tianjin port, where emissions were highly variable.

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Correlation study between suspended particulate matter and portable automated lidar data

Cited by 20 publications

References 26 publications

Vertical distribution of aerosols in the vicinity of Mexico City during MILAGRO-2006 Campaign

Vertical distribution of aerosols in the vicinity of Mexico City during MILAGRO-2006 Campaign

Vertical distribution of aerosols in Mexico City during MILAGRO-2006 campaign

Measurement Report: Spatial and vertical variability of aerosol optical properties during MOABAI mobile on-road campaign in North China Plain

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