Study of aerosol optical properties during long-range transport of biomass burning from Canada to Central Europe in July 2013

Markowicz, Krzysztof M.; Chiliński, Michał T.; Lisok, Justyna; Zawadzka, Olga; Stachlewska, Iwona S.; Janicka, Łucja; Rozwadowska, Anna; Makuch, Przemysław; Pakszys, Paulina; Zieliński, Tymon; Petelski, Tomasz; Posyniak, M.; Pietruczuk, Aleksander; Szkop, Artur; Westphal, Douglas L.

doi:10.1016/j.jaerosci.2016.08.006

Cited by 59 publications

(53 citation statements)

References 72 publications

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“…High concentrations can be observed in almost all North America, reaching values more than 64 µg m −3 in several regions. Markowicz et al (2016) studied the relative aerosol optical depth changes in several North American AERONET stations during the first weeks of July 2013, finding values reaching 1.5 (at 500 nm), which implies mean AOD anomalies (with respect to long-term means for July) up to 0.42. The cluster analysis performed using HYSPLIT software revealed that, during June and July 2013, the prevailing synoptic situation favored the transport of these aerosol particle plumes across the Atlantic Ocean to Europe.…”

Section: Characterization Of Sources and Transport Of The Smoke Plumesmentioning

confidence: 99%

“…In a previous work (Ortiz-Amezcua et al, 2014), a preliminary optical description was given for the lidar detection of a smoke event over Granada (Spain) in July 2013. Markowicz et al (2016) used in situ measurements, passive and active remote sensing observations and numerical simulations to describe the temporal variability of aerosol optical properties for the same period over Poland, and Janicka et al (2016) studied the properties of the mixing of those smoke particles with dust particles over Warsaw. Ancellet et al (2016) reported optical properties of the smoke plumes transported over some stations in the western Mediterranean Basin in June 2013.…”

Section: Introductionmentioning

confidence: 99%

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Microphysical characterization of long-range transported biomass burning particles from North America at three EARLINET stations

et al. 2017

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Abstract. Strong events of long-range transported biomass burning aerosol were detected during July 2013 at three EARLINET (European Aerosol Research Lidar Network) stations, namely Granada (Spain), Leipzig (Germany) and Warsaw (Poland). Satellite observations from MODIS (Moderate Resolution Imaging Spectroradiometer) and CALIOP (Cloud-Aerosol Lidar with Orthogonal Polarization) instruments, as well as modeling tools such as HYSPLIT (Hybrid Single-Particle Lagrangian Integrated Trajectory) and NAAPS (Navy Aerosol Analysis and Prediction System), have been used to estimate the sources and transport paths of those North American forest fire smoke particles. A multiwavelength Raman lidar technique was applied to obtain vertically resolved particle optical properties, and further inversion of those properties with a regularization algorithm allowed for retrieving microphysical information on the studied particles. The results highlight the presence of smoke layers of 1-2 km thickness, located at about 5 km a.s.l. altitude over Granada and Leipzig and around 2.5 km a.s.l. at Warsaw. These layers were intense, as they accounted for more than 30 % of the total AOD (aerosol optical depth) in all cases, and presented optical and microphysical features typical for different aging degrees: color ratio of lidar ratios (LR 532 / LR 355 ) around 2, α-related ångström exponents of less than 1, effective radii of 0.3 µm and large values of single scattering albedos (SSA), nearly spectrally independent. The intensive microphysical properties were compared with columnar retrievals form co-located AERONET (Aerosol Robotic Network) stations. The intensity of the layers was also characterized in terms of particle volume concentration, and then an experimental relationship between this magnitude and the particle extinction coefficient was established.

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Section: Characterization Of Sources and Transport Of The Smoke Plumesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Microphysical characterization of long-range transported biomass burning particles from North America at three EARLINET stations

et al. 2017

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“…Weather conditions forming heat wave events can also contribute to the formation of multiple layers that can be attributed to air masses of different origins: local and advection driven [19][20][21]. Aerosol layers can be simultaneously observed only by means of the quasi-continuous, height-resolved active ground-based, airborne or satellite remote sensors such as Lidars.…”

Section: Introductionmentioning

confidence: 99%

“…One of the Remote Sens. 2017, 9, 1199 3 of 22 targeted areas is Poland, a country confronted with pressing air quality problems such as smog alerts in industrial areas of Upper Silesia [22,23], frequent biomass burning transport from Ukraine and Belarus [24,25] and Northern America [19][20][21], as well as mineral dust intrusions [19,24]. These goals can be addressed among others, by a challenging topic of accurate daytime and night-time Aerosol Optical Depth (AOD) estimation from existing sensors on board satellites.…”

Section: Introductionmentioning

confidence: 99%

Effect of Heat Wave Conditions on Aerosol Optical Properties Derived from Satellite and Ground-Based Remote Sensing over Poland

2017

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Abstract:During an exceptionally warm September in 2016, unique and stable weather conditions contributed to a heat wave over Poland, allowing for observations of aerosol optical properties, using a variety of ground-based and satellite remote sensors. The data set collected during 11-16 September 2016 was analysed in terms of aerosol transport (HYbrid Single-Particle Lagrangian Integrated Trajectory model (HYSPLIT)), aerosol load model simulations (Copernicus Atmosphere Monitoring Service (CAMS), Navy Aerosol Analysis and Prediction System (NAAPS), Global Environmental Multiscale-Air Quality (GEM-AQ), columnar aerosol load measured at ground level (Aerosol Robotic NETwork (AERONET), Polish Aerosol Research Network (PolandAOD)) and from satellites (Spinning Enhanced Visible and Infrared Imager (SEVIRI), Moderate Resolution Imaging Spectroradiometer (MODIS)), as well as with 24/7 PollyXT Raman Lidar observations at the European Aerosol Research Lidar Network (EARLINET) site in Warsaw. Analyses revealed a single day of a relatively clean background aerosol related to an Arctic air-mass inflow, surrounded by a few days with a well increased aerosol load of differing origin: pollution transported from Germany and biomass burning from Ukraine. Such conditions proved excellent to test developed-in-house algorithms designed for near real-time aerosol optical depth (AOD) derivation from the SEVIRI sensor. The SEVIRI AOD maps derived over the territory of Poland, with an exceptionally high resolution (every 15 min; 5.5 × 5.5 km 2 ), revealed on an hourly scale, very low aerosol variability due to heat wave conditions. Comparisons of SEVIRI with NAAPS and CAMS AOD maps show strong qualitative similarities; however, NAAPS underestimates AOD and CAMS tends to underestimate it on relatively clean days (<0.2), and overestimate it for a high aerosol load (>0.4). A slight underestimation of the SEVIRI AOD is reported for pixel-to-column comparisons with AODs of several radiometers (AERONET, PolandAOD) and Lidar (EARLINET) with high correlation coefficients (r 2 of 0.8-0.91) and low root-mean-square error (RMSE of 0.03-0.05). A heat wave driven increase of the boundary layer height of 10% is accompanied with the AOD increase of 8-12% for an urban site dominated by anthropogenic pollution. Contrary trend, with an AOD decrease of around 4% for a rural site dominated by a long-range transported biomass burning aerosol is reported. There is a positive feedback of heat wave conditions on local and transported pollution and an extenuating effect on transported biomass burning aerosol. The daytime mean SEVIRI PM2.5 converted from the SEVIRI AODs at a pixel representative for Warsaw is in agreement with the daily mean PM2.5 surface measurements, whereby SEVIRI PM2.5 and Lidar-derived Ångström exponent are anti-correlated.

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“…18,19 Another, often spectacular, type of aerosol related to long-range transport is volcanic dust. One such event of volcanic dust originating from the Eyjafjallajökull eruption in 2010 was widely studied with various techniques, including LIDARs and sunphotometers [20][21][22][23] as well as satellite-based instruments.…”

Section: Introductionmentioning

confidence: 99%

Analysis of aerosol transport over southern Poland in August 2015 based on a synergy of remote sensing and backward trajectory techniques

Szkop

Pietruczuk

2017

J. Appl. Remote Sens

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Study of aerosol optical properties during long-range transport of biomass burning from Canada to Central Europe in July 2013

Cited by 59 publications

References 72 publications

Microphysical characterization of long-range transported biomass burning particles from North America at three EARLINET stations

Microphysical characterization of long-range transported biomass burning particles from North America at three EARLINET stations

Effect of Heat Wave Conditions on Aerosol Optical Properties Derived from Satellite and Ground-Based Remote Sensing over Poland

Analysis of aerosol transport over southern Poland in August 2015 based on a synergy of remote sensing and backward trajectory techniques

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