First SmartAQnet Results from Accompanying Air Quality Modelling

Ulrich Uhrner, Raphael Jakob Reifeltshammer, Peter-Johann Sturm, Renate Forkel, Stefan Emeis, Klaus Schäfer, Erik Petersen, Andreas Philipp, Robert Kunde

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review


Smart Air Quality Network [1] monitoring activities are accompanied by efforts to provide seamless
area-wide and temporally resolved PM by modelling using measurements. The accurate and smallscale
spatio-temporal representation of fine dust is a highly challenging task, particularly for finedust.
Even in alpine valleys and basins, the urban fine-dust is dominated by transport and complex
transformation processes outside the urban area of interest [2]. Therefore, multi-scale modelling
techniques or precise measurements of the inflow of fine-dust at the model boundaries are necessary
to capture one major part of the burden. The other major part is related to strong localized
near surface sources such as traffic or residential heating using solid fuels and potentially rapid
transformation processes. Moreover, these sources are highly variable in time and space. In order
to represent this “localized” part adequately, emphasis is placed on high resolution emission processing,
a proper representation of flow and microenvironments such as street canyons, appropriate
emission release levels etc. In order to validate emission data, a modelling chain is used and
compared with different measurements. First results from the emission procession are shown as
well as validation work carried out with the Lagrangian particle model GRAL.
At a later stage, the new PALM4U model will be used to estimate as well rapid transformation
processes related to atmospheric chemical processes and aerosol dynamics even at the street canyon
[1] M. Budde, T. Riedel, M. Beigl, K. Schäfer, S. Emeis, J. Cyrys, J. Schnelle-Kreis, A. Philipp, V. Ziegler,
H. Grimm, T. Gratza (2017) SmartAQnet: Remote and In-Situ Sensing of Urban Air Quality,
Proc. SPIE 10424, Remote Sensing of Clouds and the Atmosphere XXII, 104240C,
[2] U. Uhrner, B.C. Lackner, R. Reifeltshammer, M. Steiner, R. Forkel and P.J. Sturm, Inter-Regional
Air Quality Assessment, - Bridging the Gap between Regional and Kerbside PM Pollution,
Results of the PMinter Project, VKM-THD Mitteilungen, Volume 98, Verlag der Technischen
Universität Graz, ISBN: 978-3-85125-364-1, 2014.
Original languageGerman
Title of host publicationMid-term and 1st International Networking Workshop of the SmartAQnet Project
Subtitle of host publicationKIT SCIENTIFIC WORKING PAPERS 115
Publication statusPublished - 2019

Publication series

NameKarlsruher Institut für Technologie (KIT)
ISSN (Print)2194-1629

Fields of Expertise

  • Mobility & Production

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