elib
DLR-Header
DLR-Logo -> http://www.dlr.de
DLR Portal Home | Imprint | Privacy Policy | Contact | Deutsch
Fontsize: [-] Text [+]

On-flight intercomparison of three miniature aerosol absorption sensors using unmanned aerial systems (UASs)

Pikridas, Michael and Bezantakos, Spiros and Močnik, Griša and Keleshis, Christos and Brechtel, Fred and Stavroulas, Iasonas and Demetriades, Gregoris and Antoniou, Panayiota and Vouterakos, Panagiotis and Argyrides, Marios and Liakakou, Eleni and Drinovec, Luka and Marinou, Eleni and Amiridis, Vassilis and Vrekoussis, Mihalis and Mihalopoulos, Nikolaos and Sciare, Jean (2019) On-flight intercomparison of three miniature aerosol absorption sensors using unmanned aerial systems (UASs). Atmospheric Measurement Techniques (AMT), 12 (12), pp. 6425-6447. Copernicus Publications. DOI: 10.5194/amt-12-6425-2019 ISSN 1867-1381

[img] PDF - Published version
14MB

Official URL: http://dx.doi.org/10.5194/amt-12-6425-2019

Abstract

The present study investigates and compares the ground and in-flight performance of three miniaturized aerosol absorption sensors integrated on board small-sized Unmanned Aerial Systems (UASs). These sensors were evaluated during two contrasted field campaigns performed at an urban site, impacted mainly by local traffic and domestic wood burning sources (Athens, Greece), and at a remote regional background site, impacted by long-range transported sources including dust (Cyprus Atmospheric Observatory, Agia Marina Xyliatou, Cyprus). The miniaturized sensors were first intercompared at the ground-level against two commercially available instruments used as a reference. The measured signal of the miniaturized sensors was converted into the absorption coefficient and equivalent black carbon concentration (eBC). When applicable, signal saturation corrections were applied, following the suggestions of the manufacturers. The aerosol absorption sensors exhibited similar behavior against the reference instruments during the two campaigns, despite the diversity of the aerosol origin, chemical composition, sources, and concentration levels. The deviation from the reference during both campaigns concerning (eBC) mass was less than 8 %, while for the absorption coefficient it was at least 15 %. This indicates that those sensors that report black carbon mass are tuned and corrected to measure eBC more accurately than the absorption coefficient. The overall potential use of miniature aerosol absorption sensors on board small UASs is also illustrated. UAS-based absorption measurements were used to investigate the vertical distribution of eBC over Athens up to 1 km above sea level during January 2016, exceeding the top of the planetary boundary layer (PBL). Our results reveal a heterogeneous boundary layer concentration of absorbing aerosol within the PBL intensified in the early morning hours due to the concurrent peak traffic emissions at ground-level and the fast development of the boundary layer. After the full development of the PBL, homogenous concentrations are observed from 100 m a.g.l. to the PBL top.

Item URL in elib:https://elib.dlr.de/133409/
Document Type:Article
Title:On-flight intercomparison of three miniature aerosol absorption sensors using unmanned aerial systems (UASs)
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Pikridas, MichaelEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Bezantakos, SpirosEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Močnik, GrišaAerosol d.o.o., Ljubljana, Sloveniahttps://orcid.org/0000-0001-6379-2381
Keleshis, ChristosEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Brechtel, FredBrechtel Manufacturing Inc., Hayward, CA, USAhttps://orcid.org/0000-0002-2375-8741
Stavroulas, IasonasEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Demetriades, GregorisEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Antoniou, PanayiotaEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Vouterakos, PanagiotisEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Argyrides, MariosEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Liakakou, EleniNational Observatory of Athens, Athens, GreeceUNSPECIFIED
Drinovec, LukaAerosol d.o.o., Ljubljana, Sloveniahttps://orcid.org/0000-0003-0126-692X
Marinou, EleniIPA, DLRhttps://orcid.org/0000-0003-2631-6057
Amiridis, VassilisIAASARSUNSPECIFIED
Vrekoussis, MihalisEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, Cyprushttps://orcid.org/0000-0001-8292-8352
Mihalopoulos, NikolaosEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Sciare, JeanEnergy Environment and Water Research Center, Cyprus Institute, Nicosia, CyprusUNSPECIFIED
Date:9 December 2019
Journal or Publication Title:Atmospheric Measurement Techniques (AMT)
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:12
DOI :10.5194/amt-12-6425-2019
Page Range:pp. 6425-6447
Publisher:Copernicus Publications
ISSN:1867-1381
Status:Published
Keywords:Absorption measurements, unmanned aerial systems
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Atmosphären- und Klimaforschung
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Atmospheric Physics > Lidar
Deposited By: Marinou, Eleni
Deposited On:27 Jan 2020 10:01
Last Modified:27 Jan 2020 10:01

Repository Staff Only: item control page

Browse
Search
Help & Contact
Information
electronic library is running on EPrints 3.3.12
Copyright © 2008-2017 German Aerospace Center (DLR). All rights reserved.