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 Forschungsbericht für das Jahr 2018

Professur für Umweltmeteorologie

Prof. Dr. Andreas Christen

Werthmannstraße 10
79085 Freiburg
Tel: +49/761/2033590 Fax: +49/761/2033586
Email meteo@meteo.uni-freiburg.de
http://www.meteo.uni-freiburg.de


Wissenschaftliche Mitarbeiterinnen und Mitarbeiter

  • Prof. Dr. Andreas Christen, Leitung (m/w)
  • PD Dr. Dirk Schindler, Leitender wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Christopher Jung, Wissenschaftlicher Mitarbeiter (m/w)
  • Dr. Manuel Mohr, Wissenschaftlicher Mitarbeiter (m/w)
  • M.Sc. Eva Petersson, Doktorand (m/w)
  • M.Sc. Ronja Vitt, Doktorand (m/w)
  • Niklas Wolf, Bachelor-Student (m/w)
  • Dirk Redepenning, Technischer Mitarbeiter (m/w)
  • apl. Prof. Dr. Andreas Matzarakis, apl. Professor
  • Prof. Dr. Gerd Jendritzky, Honorarprofessor
  • Prof. Dr. (i.R.) Helmut Mayer, Ehemaliger Leiter (m/w)
  • Katrina Chan, Master-Student (m/w)
  • Felix Colmorgen, Master-Student (m/w)
  • Alberto Delgado, Master-Student (m/w)
  • Floris Hermanns, Master-Student (m/w)
  • Philipp Schwarz , Master-Student (m/w)
  • Diana Taubert, Master-Student (m/w)
  • Stefan Wingo, Master-Student (m/w)
  • Matthias Gassilloud, Bachelor-Student (m/w)
  • Leonie Grau, HiWi (m/w)
  • Marco Hochuli, Bachelor-Student (m/w)
  • Mareike Köster, Bachelor-Student (m/w)
  • Theo Leyschulte, Bachelor-Student (m/w)
  • Linda Nagel, Bachelor-Student (m/w)
  • Jonas Pfau, Bachelor-Student (m/w)
  • Jannis Voß, Bachelor-Student (m/w)
  • Jonas Wehrle, Master-Student (m/w)
  • Nora Bergner, HiWi (m/w)
  • Jonas Pfau, HiWi (m/w)
  • Jonas Wehrle, HiWi (m/w)
  • Yuting Wu, HiWi (m/w)
Einträge in der Rubrik "Who is Who"

Forschungsschwerpunkte

  • Land-Atmosphäre-Kopplung, Mikrometeorologie, Spurengasaustausch
  • Städte und Klimawandel (Stadtklimatologie, Treibhausgasemissionen, Klimaanpassung, Humanbiometeorologie)
  • Wälder und Klimawandel (Treibhausgasaustausch, Sturmschäden, Energie- und Wasserhaushalt von Wäldern)
  • Arktis und Klimawandel (Treibhausgasaustausch, Permafrost)
  • Energiemeteorologie (Windenergie)

Wissenschaftliche Projekte und Forschungsvorhaben


  • Aus der Atmosphäre in den Boden - wie Druckflukuationen den Gastransport im Boden beeinflussen
  • Langzeitanalyse von Strahlungs-, Wärme- und Wasserhaushalt eines Kiefernwaldes in der südlichen Oberrheinebene

Wissenschaftliche Publikationen

Originalarbeiten in wissenschaftlichen Fachzeitschriften:
  • Allen MA, Voogt JA, Christen A: Time-continuous hemispherical urban surface temperatures Remote Sens-basel, 2018; 10 (1). : http://www.mdpi.com/2072-4292/10/1/3 (download: http://www.mdpi.com/2072-4292/10/1/3/pdf)
  • Fröhlich D, Matzarakis A: Spatial estimation of thermal indices in urban areas - basics of the SkyHelios model Atmosphere-basel, 2018; 9 (209). : http://dx.doi.org/10.3390/atmos9060209
  • Giannaros TM, Kotroni V, Lagouvardos K, Matzarakis A: Climatology and trends of the Euro-Mediterranean thermal bioclimate Int J Climatol, 2018: 1-19. : https://doi.org/10.1002/joc.5501
  • Giannaros TM, Lagouvardos K, Kotroni V, Matzarakis A: Operational forecasting of human-biometeorological conditions Int J Biometeorol, 2018; 62: 1339-1343. : https://doi.org/10.1007/s00484-018-1525-3
  • Gómez F, Valcuende M, Matzarakis A, Cárcel J: Design of natural elements in open spaces of cities with a Mediterranean climate, conditions for comfort and urban ecology Environmental Science and Pollution Research, 2018. : https://doi.org/10.1007/s11356-018-2736-1 (in Druck)
  • Huang K-T, Yang S-R, Matzarakis A, Lin T-P: Identifying outdoor thermal risk areas and evaluation of future thermal comfort concerning shading orientation in a traditional settlement Sci Total Environ, 2018; 626: 567-580. : https://doi.org/10.1016/j.scitotenv.2018.01.031
  • Jung C, Schindler D: 3D statistical mapping of Germany’s wind resource using WSWS. Energ Convers Manage, 2018; 159: 96-108. : https://doi.org/10.1016/j.enconman.2017.12.095
  • Jung C, Schindler D, Laible J: National and global wind resource assessment under six wind turbine installation scenarios. Energy Conversion and Management, 156: 403-415. Energ Convers Manage, 2018; 156: 403-415. : https://doi.org/10.1016/j.enconman.2017.11.059
  • Kokkonen TV, Grimmond CSB, Räty O, Ward HC, Christen A, Oke TR, Kotthaus S, Järvi L: Sensitivity of Surface Urban Energy and Water Balance Scheme (SUEWS) to downscaling of reanalysis forcing data Urban Climate, 2018; 23: 36-52. : https://doi.org/10.1016/j.uclim.2017.05.001
  • Lee H, Mayer H: Maximum extent of human heat stress reduction on building areas due to urban greening Urban for Urban Gree, 2018; 32: 154-167. : https://doi.org/10.1016/j.ufug.2018.04.010
  • Lee H, Mayer H: Thermal comfort of pedestrians in an urban street canyon is affected by increasing albedo of building walls Int J Biometeorol, 2018; 62: 1199-1209. : https://doi.org/10.1007/s00484-018-1523-5
  • Lin T-P, Yang S-R, Chen Y-C, Matzarakis A: The potential of a modified physiologically equivalent temperature (mPET) based on local thermal comfort perception in hot and humid regions Theor Appl Climatol, 2018: 1-4. : https://doi.org/10.1007/s00704-018-2419-3
  • Meyer G, Black TA, Jassal RS, Nesic Z, Coops NC, Christen A, Fredeen AL, Spittlehouse DL, Grant NJ, Foord VN, Bowler R: Simulation of net ecosystem productivity of a lodgepole pine forest after mountain pine beetle attack using a modified version of 3-PG Forest Ecol Manag, 2018; 412: 41-52. : https://doi.org/10.1016/j.foreco.2018.01.034
  • Nouri SA, Costa JP, Santamouris M, Matzarakis A: Approaches to outdoor thermal comfort thresholds through public space design: A review Atmosphere-basel, 2018; 9 (108): 1-49. : http://www.mdpi.com/2073-4433/9/3/108 (download: http://www.mdpi.com/2073-4433/9/3/108/pdf)
  • Nouri SA, Fröhlich D, Silva MM, Matzarakis A: The impact of Tipuana tipu species on local human thermal comfort thresholds in different urban canyon cases in Mediterranean climates: Lisbon, Portugal Atmosphere-basel, 2018; 9 (1). : http://www.mdpi.com/2073-4433/9/1/12 (download: http://www.mdpi.com/2073-4433/9/1/12/pdf)
  • Paparrizos S, Maris F, Weiler M, Matzaraksis A: Analysis and mapping of present and future drought conditions over Greek areas with different climate conditions Theor Appl Climatol, 2018; 131 (1-2): 259-270. : http://DOI 10.1007/s00704-016-1964x
  • Rodríguez-Algeciras J, Tablada A, Chaos-Yeras M, De la Paz G, Matzarakis A: Influence of aspect ratio and orientation on large courtyard thermal conditions in the historical centre of Camagüey-Cuba Renew Energ, 2018; 125: 840-856. : https://doi.org/10.1016/j.renene.2018.01.082
  • Schindler D, Jung C: Copula-based estimation of directional wind energy yield: a case study from Germany Energ Convers Manage, 2018; 169 (C): 359-370.
  • Schindler D, Mohr M: Non-oscillatory response to wind loading dominates movement of Scots pine trees Agr Forest Meteorol, 2018; 250-251: 206-2016. : https://doi.org/10.1016/j.agrformet.2017.12.258
  • Stephens JJ, Black TA, Jassal RS, Nesic Z, Grant NJ, Barr AG, Helgason WD, Richardson AD, Johnson MS, Christen A: Effects of forest tent caterpillar defoliation on carbon and water fluxes in a boreal aspen stand Agr Forest Meteorol, 2018; 253-254: 176-189. : https://doi.org/10.1016/j.agrformet.2018.01.035
Buchbeiträge:
  • Matzarakis A, Fröhlich D, Ketterer C, Martinelli L: Urban Bioclimate and Micro Climate: How to Construct Cities in the Era of Climate Change In: Hofbauer CK, Madadi Kandjani E, Meuwissen JMC (Hrsg.): Climate Change and Sustainable Heritage Newcastle upon Tyne: Cambridge Scholars Publishing, 2018; 38-61.
Konferenzbeiträge:
  • Abreu-Harbich L, Brocaneli PF, Gianfratti GT, Matzarakis A: Green façades and their influence on the urban climate in tropical cities: The Case of São Paulo, Brazil 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/342583
  • Allen MA, Voogt JA, Christen A: Analysis of two time-continuous, multi-season climatologies of hemispherical sUHI 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/340581
  • Christen A, Black TA, Crawford BR, Flanagan LB, Ketler R, Nesic Z, Semmens CI: Direct eddy covariance fluxes of carbon dioxide isotopologues above an urban surface allow for detailed emission attribution 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/343428
  • Christen A, Semmens CI: Dissimilarity and intermittency of scalar exchange over an urban surface in relation to source-sink patchiness 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/343404
  • Christen A, Stoll R, Mahaffee W, Salesky S, Therias A: A tracer experiment to study near-source dispersion of heavy particles within a vegetated urban canopy layer 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-10762.pdf
  • Exler J, Christen A, Merkens M, Moore RD: Water and energy fluxes at a disturbed and rewetted white beakrush-sphagnum site in a raised bog near Vancouver, British Columbia 2018 (online): 1-6 (Joint Meeting of the Canadian Geophysical Union / Niagara Falls).
  • Giometto MG, Schmid MF, Salesky S, Christen A, Parlange MB: Aerodynamic roughness parameters of vegetated urban canopies 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/343417
  • Kaloustian N, Fröhlich D, Matzarakis A: Urban heat stress in municipal Beirut 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/340753
  • Laemmel T, Mohr M, Longdoz B, Schack-Kirchner H, Lang F, Schindler D, Maier M: From above the forest canopy into the soil – wind-induced pressure-pumping affects soil gas transport 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-8316.pdf
  • Laemmel T, Mohr M, Maier M: Effect of local airflow on flux chamber measurements 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-15573.pdf
  • Lee H, Mayer H: Increasing albedo of building walls affects thermal comfort of pedestrians in urban street canyons on hot summer days 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/339532
  • Lee S-C, Black TA, Jassal RS, Christen A, Meyer G, Nesic Z: Fifteen years of carbon flux measurements and the effects of nitrogen fertilization in a Pacific Northwest Douglas-fir stand 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-11112.pdf
  • Maronga B, Raasch S, Groß G, Kanani-Sühring F, Sühring M, Banzhaf S, Belda M, Büter B, Esch T, Forkel R, Fröhlich D, Gronemeier T, Heldens W, Hellsten A, Lang T, Kadasch E, Khan B, Ketelsen K, Krč P, Maamari H, Matzarakis A, Mauder M, Meusel G, Pallasch M, Pavlik D, Pfafferott J, Resler J, Russo E, Hefny Salim M, Schaap M, Schneider C, Schrempf M, Schubert S, Seckmeyer G, Sieker H, Trusilova K, von Tils RH, Ward S, Zeidler J: Building-resolving large-eddy simulations for entire Berlin (Germany) – first results using the high-performance urban microscale model PALM-4U 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/341655
  • Matzarakis A, Muthers S: Heat Health Warning System in Germany - Implementation of city issues 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/340747
  • Mohr M, Laemmel T, Maier M, Schindler D: Analysis of wind-induced air pressure fluctuations responsible for pressure-pumping in a Scots pine forest 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-4226.pdf
  • Ndetto EL, Matzarakis A: Enhancing climate resilience in Tanzanian coastal cities through urban climate monitoring 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/343329
  • Parlange MB, Giometto MG, Christen A, Egli PE, Schmid MF, Tooke RT, Coops NC: Effects of trees on momentum exchange within and above a real urban environment 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-17471-1.pdf
  • Potchter O, Cohen P, Lin T-P, Matzarakis A: Outdoor Human Thermal Perception in Various Climates: A Comprehensive Review of Approaches, Methods and Quantification 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/341940
  • Salesky S, Giometto MG, Stoll R, Christen A, Schmid MF, Mahaffee W, Parlange MB: Point source scalar dispersion in urban environments: effects of urban form and vegetation 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/342794
  • Skeeter W, Christen A, Henry GHR, Lantz T: Growing Season Carbon Balance of a Permafrost Peatland in the Mackenzie River Delta 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-11748.pdf
  • Stoll R, Salesky S, Christen A, Mahaffee W, Miller NE: The Impact of Trees and Buildings on Dispersion of Heavy Particles in a North American Suburban Neighborhood 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/343553
  • Stoll R, Salesky ST, Giometto MG, Christen A, Mahaffee W, Pardyjak ER: The impact of urban form on particle dispersion in a residential neighborhood 2018 (online) (23rd Symposium on Boundary Layers and Turbulence/21st Conference on Air-Sea Interaction / Oklahoma City, USA / American Meteorological Society). : https://ams.confex.com/ams/23BLT21ASI/meetingapp.cgi/Paper/346361
  • Theeuwes N, Ronda RJ, Harman IN, Christen A, Grimmond CSB: Parameterising wind profiles in the urban roughness sublayer of an anisotropic street canyon 2018 (online) (European Geosciences Union General Assembly 2018 / Vienna, Austria). : https://meetingorganizer.copernicus.org/EGU2018/EGU2018-8526.pdf
  • Theeuwes NE, Ronda RJ, Harman IN, Christen A, Grimmond CSB: Parameterising wind and temperature profiles in the urban roughness sublayer of an anisotropic street canyon 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/341664
  • Yang S-R, Matzarakis A, Lin T-P: Defining the thermal comfort range of UTCI, PET, and mPET thermal indices 2018 (online) (10th International Conference on Urban Climate/14th Symposium on the Urban Environment / New York, NY, USA). : https://ams.confex.com/ams/ICUC10/meetingapp.cgi/Paper/340973

Besondere wissenschaftliche Aktivitäten

Vorsitze und Sprechertätigkeiten:
  • Prof. Dr. Andreas Christen: Secretary - International Association for Urban Climate (IAUC), Elected, 01.08.2018 bis 31.07.2022.
Herausgeberschaften:
  • apl. Prof. Dr. Andreas Matzarakis: Member Editorial Board, FINISTERRA - Revista Portuguesa Geografia (Centre of Geographical Studies), seit 2010.
  • apl. Prof. Dr. Andreas Matzarakis: Member Advisory Editorial Board, EUROPEAN JOURNAL OF TOURISM, HOSPITALITY AND RECREATION, seit 2010.
  • apl. Prof. Dr. Andreas Matzarakis: Academic Editor ADVANCES IN METEOROLOGY, seit 2015.
  • apl. Prof. Dr. Andreas Matzarakis: Editor in Chief Section Biometeorology, ATMOSPHERE (MDPI), seit 2017.
  • Prof. Dr. Andreas Christen: Member Editorial Board / Associate Editor, THEORETICAL AND APPLIED CLIMATOLOGY (Springer) , seit 2013.
  • Prof. Dr. Andreas Christen: Member Editorial Board, BOUNDARY LAYER METEOROLOGY (Springer) , seit 2014.

Abschlussarbeiten





Gastwissenschaftler:

  • Sung-Ching Lee, University of British Columbia, Kanada, Vancouver, Doktorat, 13.04.2018 bis 28.04.2018
  • Dr. Emmanuel Lubongo Ndetto , Sokoine University, Tanzania, Morongo, 20.08.2018 bis 17.11.2018
  • Wesley Skeeter, University of British Columbia, Kanada, Vancouver, Doktoratsstudent, 15.04.2018 bis 22.05.2018