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Publications Prof. Dr. Andreas Christen

Textbooks

  • Oke TR, Mills G, Christen A, Voogt JA 2017: Urban Climates, Cambridge University Press, ISBN 978-11-074-2953-6

Peer-reviewed journal articles

Book chapters

  • Christen A, 2019Vertikale Gliederung der Stadtatmosphäre (Vertical structure of the urban atmosphere, in German). In: Lozán, J L, Breckle S-W, Graßl H, Kuttler W, Matzarakis A (Hrsg.). "Warnsignal Klima: Die Städte". Hamburg, pp. 36-42
  • Matzarakis A, Christen A, 2019Variabilität von meteorologischen Parametern in Städten (Variability of meteorological elements in cities, in German). In: Lozán, J L, Breckle S-W, Graßl H, Kuttler W, Matzarakis A (Hrsg.). "Warnsignal Klima: Die Städte". Hamburg, pp. 43-47
  • Feigenwinter C, Vogt R, Christen A, 2012: 'Eddy covariance measurements over urban areas' (Chapter 16) in Aubinet M, Vesala T, Papale D. [Eds.] 'Eddy Covariance - A Practical Guide to Measurement and Data Analysis', Springer, ISBN 978-94-007-2350-4 (28 Dec, 2011), 270 p. → Book Chapter
  • Batchvarova E, Gryning S.-E, Rotach M. W, Christen A, 2007: 'Comparison of Aggregated and Measured Turbulent Fluxes in an Urban Area', p. 363-370 in Borrego C. Norman A. L. [Eds.] 'Air Pollution Modeling and Its Application XVII', Part 5, Springer, ISBN 978-0-387-28255-8 → Book Chapter
  • Gryning, S, Batchvarova E, Rotach M, Christen A, Vogt R, 2005: Roof-level SF6 tracer experiments in the city of Basel. Zürcher Klima-Schriften 83. ISBN 3-906-148-31-9. → Full-Text
  • Piringer M, Joffre S, Grimmond C. S. B, Christen A, Mestayer P, Bonafe G, Deserti M, Middleton D, De Ridder K, Baklanov A, 2005: 'The surface energy balance in urban areas' in Fisher B. E. A, Joffre S, Kukkonen J, Piringer M, Rotach M. W, Schatzmann S. [Eds.] 'Meteorology applied to urban air pollution problems', Final Report COST Action 715. Demetra Ltd Publishers, ISBN 954-9526-30-5. → Full-Text
  • Rotach, M, Christen A et al, 2005: 'Preparation of meteorological input data for urban air pollution models. Part 1' in Fisher B. E. A, Joffre S, Kukkonen J, Piringer M, Rotach M. W, Schatzmann S. [Eds.] 'Meteorology applied to urban air pollution problems', Final Report COST Action 715. Demetra Ltd Publishers, ISBN 954-9526-30-5. → Full-Text
  • Baklanov A, Burzynski J, Christen A, Deserti M, De Ridder K, Emeis S, Joffre S, Karppinen A, Mestayer P, Middleton D, Piringer M, Tombrou M. [Lead Authors], 2004: 'The urban surface energy budget and mixing height in european cities: data, models and challenges for urban meteorology and air quality'. Piringer M. and Joffre S. [Eds.] - Demetra Ltd Publishers, ISBN 954-9526-29-1. → Full-Text

Conference contributions

2018

2017

  • Allen M.A, Voogt J.A, Christen A, 2017: 'A climatology of urban surface heat islands derived from hemispherical radiometric surface temperatures'. 13th AMS Symposium of the Urban Environment, 23 - 26 January 2017, Seattle, WA, USA.
  • Allen M.A, Voogt J.A, Christen A, 2017: 'Towards a Continuous Climatological Assessment of Urban Surface Heat Islands'. JURSE Joint Urban Remote Sensing Event, 6 - 8 March 2017, Dubai, UAE.
  • Christen A, Black TA, Crawford B, Flanagan L. B, Ketler R, Nesic Z, Semmens C. I, 2017: 'Diurnal and seasonal changes of δ13C and δ18O in carbon dioxide measured by eddy covariance over an urban surface'. 13th AMS Symposium of the Urban Environment, 23 - 26 January 2017, Seattle, WA, USA.
  • Everard KA, Giometto M.G. , Christen A, Oldroyd H.J, Parlange M.B, 2017: 'On the spatial coherence of temperature within and above a vineyard under drainage conditions'. Abstract submitted to the 2017 AGU Fall Meeting, New Orleans, USA.
  • Everard KA, Christen A, Giometto M.G, Oldroyd H.J, Skaloud P, 2017: 'Coherent structures controlling heat and momentum exchange in a nighttime drainage flow through a vineyard canopy'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.
  • Exler J, Christen A, Merkens M, Moore R.D, 2017: 'Water and energy fluxes at a disturbed and rewetted white beakrush-sphagnum site in a raised bog near Vancouver, British Columbia'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.
  • Giometto M.G, Christen A, Egli P.E, Schmid M.F, Tooke R.T, Coops NC, Parlange M.B, 2017: 'Effects of trees on momentum exchange within and above a real urban environment'. Abstract submitted to the 2017 AGU Fall Meeting, New Orleans, USA.
  • Kokkonen T.V, Grimmond C. S. B, Christen A, Oke TR, Järvi L, 2017: 'Long-term variability in hydrological cycle at suburban neighborhoods in Vancouver, Canada'. 14th IWA/IAHR International Conference on Urban Drainage, Prague, 10-15 September 2017.
  • Lee S-C, Christen A, Black TA, Johnson M.S, Jassal R.S, Ketler R, Nesic Z, Merkens M, 2017: 'Greenhouse gas balance of a restored and rewetted bog in Metro Vancouver'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.
  • Mayer G, Black TA, Jassal R, Nesic Z, Grant N.J, Spittlehouse D.L, Fredeen A.L, Christen A, Foord V.N. Bowler R, 2017: 'Carbon and water balances of three lodgepole pine stands following mountain pine beetle attack in northern interior British Columbia'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.
  • Salesky S.T, Giometto M.G, Christen A, Parlange M. B, 2017: 'Scalar dispersion from point and area sources in a realistic urban environment'. 13th AMS Symposium of the Urban Environment, 23 - 26 January 2017, Seattle, WA, USA.
  • Schmid M.F, Giometto M.G, Christen A, Krayenhoff E.S, Salesky S, Parlange M.B, 2017: Modeling the One-Dimensional Wind Profile Within and Above the Urban Canopy Layer'. Abstract submitted to the 2017 AGU Fall Meeting, New Orleans, USA.
  • Schmid M.F, Giometto M.G, Christen A, Krayenhoff E.S, Parlange M.B, 2017: 'Closure Models for Reynolds-Averaged Navier-Stokes Simulations of Flow Within and Above Urban Canopies'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.
  • Semmens CI, Christen A, 2017: 'Efficiency of turbulent transfer over an urban surface in relation to seasonal changes in source area patchiness'. 13th AMS Symposium of the Urban Environment, 23 - 26 January 2017, Seattle, WA, USA.
  • Semmens CI, Christen A, 2017: 'Exchange efficiency of carbon dioxide fluxes over a heterogeneous urban landscape'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.
  • Skeeter W, Christen A, Henry GHR, Lantz T, 2017: 'Vegetation Influence and Environmental Controls on Greenhouse Gas Fluxes from a Drained Thermokarst Lake'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.
  • Stephens J, Black TA, Jassal R, Nesic Z, Grant N.J, Barr A, Richardson A, Johnson, M, Christen A, 2017: 'Effects of forest tent caterpillar defoliation on carbon and water fluxes in a boreal aspen stand'. CGU and CSAFM Joint Annual Scientific Meeting, Vancouver, BC, Canada, May 28 - 31, 2017.

2016

  • Allen M.A, Voogt J.A, Christen A, 2016: 'A method to assess urban surface heat islands using hemispherical radiometric temperatures'. AGU Fall Meeting, 12 - 16 December 2016, San Francisco, CA, USA.
  • Cassidy AE, Henry GHR, Christen A, 2016: 'Measurement of carbon-dioxide fluxes from permafrost disturbances using eddy covariance in a high arctic tundra ecosystem'. XI. International Conference on Permafrost, 20 - 24 June 2016, Potsdam, Germany.
  • Crawford B, Matangi A, Griffiths J, Christen A, Black TA, 2016: 'Characterizing atmospheric stability and roughness lengths for wind resource assessment in complex terrain'. 16th EMS Annual Meeting & 11th European Conference on Applied Climatology (ECAC), 12–16 September 2016, Trieste, Italy.
  • Everard KA, Christen A, Sturman A, Skaloud P, 2016: 'A grid of fine wire thermocouples to study the spatial coherence of turbulence within katabatic flow through a vineyard canopy', AGU Fall Meeting, 12 - 16 December 2016, San Francisco, CA, USA.
  • Järvi L, Grimmond CSB, Christen A, McFadden J.P, Strachan I.B, 2016: 'Controlling factors of the surface energy and water balances in cities located in cold climate regions', AGU Fall Meeting, 12 - 16 December 2016, San Francisco, CA, USA.
  • Järvi L, Grimmond, CSB, Christen A, McFadden J. P, Strachan, I. B, 2016: 'The effect of surface cover and climate condition on the surface energy and balance in cold climate cities'. 2nd Pan-Eurasian Experiment (PEEX) Science Conference, 18 - 20 May 2016, Beijing, China.
  • Lee S-C, Christen A, Black TA, Jassal P, Johnson M, Ketler R, Nesic Z, Merkens M, 2016: 'Annual greenhouse gas budget for a recently rewetted raised bog ecosystem'. 32nd Conf. on Agricultural and Forest Meteorology / Third Conference on Atmospheric Biogeosciences, Salt Lake City, UT, USA, 20 – 24 June, 2016→ Abstract and Poster
  • Parlange M. B, Giometto M. G, Egli P, Schmid M. F, Tooke R. T, Coops N. C, Salesky S. T, Christen A, 2016: 'Effects of urban trees on mean wind, turbulence and momentum exchange within and above a realistic urban canopy', AGU Fall Meeting, 12 - 16 December 2016, San Francisco, CA, USA.
  • Salesky S. T, Giometto M. G, Christen A, Parlange M.B, 2016: 'Scalar dispersion from a point source in a realistic urban environment', AGU Fall Meeting, 12 - 16 December 2016, San Francisco, CA, USA.

2015

  • Black TA, Grant N, Meyer G, Emmel C, Christen A, Nesic Z, Brown M.G, Mathys A, Bowler R, Foord V, Fredeen A.L, Spittlehouse D.L, Jassal R.S, 2015: 'Flux-tower measurements of CO2 exchange in mountain-pine-beetle-attacked lodgepole stands in the BC Interior'. 49th CMOS Congress and 13th AMS Conference on Polar Meteorology and Oceanography, May 31 to June 4, 2015, Whistler, BC, Canada.
  • Cassidy AE, Christen A, Henry GHR, 2015: 'The effect of permafrost disturbances on carbon-dioxide exchange in a high arctic tundra ecosystem'. 49th CMOS Congress and 13th AMS Conference on Polar Meteorology and Oceanography, May 31 to June 4, 2015, Whistler, BC, Canada.
  • Cassidy AE, Christen A, Henry GHR, 2015: 'Impact of permafrost disturbances on vegetation and growing season carbon dioxide exchange in a high arctic tundra ecosystem'. AGU Fall Meeting, December 14 to 18, 2015, San Francisco, CA, USA.
  • Christen A, Ketler R, Nesic Z, Schwendenmann L, Semmens CI, 2015: 'Using stable carbon and oxygen isotopes to attribute measured carbon dioxide emissions in urban environments to different fuel sources'. 9th International Conference on Urban Climate / 12th Symposium on the Urban Environment of the American Meteorological Society, July 20-24 2015, Toulouse, France.
  • Christen A, 2015: 'Meanings of urban surface temperatures' (Invited Keynote). EarthTemp IV. 'Exploring the Complexity of Urban Temperatures', 8-10 June 2015 Reading, UK. → Slides
  • Christen A, Jassal R, Black TA, Grant N, Hawthorne I, Johnson M, Ketler R, Lee S-C, Merkens M, Nesic Z, Reynolds C, Schmid K., Stevenson A., Wang Y., Moore D, 2015: 'Greenhouse gas fluxes from a disturbed bog in the Lower Fraser Valley undergoing restoration and rewetting'. 49th CMOS Congress and 13th AMS Conference on Polar Meteorology and Oceanography, May 31 to June 4, 2015, Whistler, BC, Canada.
  • Christen A, Crawford BR, Ketler R, Lee JK, McKendry I, Nesic Z, Semmens CI, 2015: 'A multi-scale approach to monitor urban carbon-dioxide emissions in the atmosphere over Vancouver, Canada' (Invited). AGU Fall Meeting, December 14 to 18, 2015, San Francisco, CA, USA.
  • Christen A, Lee S-C, Black TA, Grant N, Hawthorne I, Jassal R, Johnson M, Ketler R, , Merkens M, Nesic Z, 2015: 'Balancing Carbon Sequestration and Methane Emissions during Restoration of a Disturbed Peat Bog' (Invited). Soil Carbon Symposium / Pacific Regional Society of Soil Science, September 25, 2015, Vancouver, BC, Canada.
  • Giometto M, Christen A, Meneveau C, Fang J, Parlange, M. B, 2015: 'Large-eddy simulations to characterize the role of turbulent and dispersive production, transport and dissipation of TKE over and within a realistic urban canopy'. 9th International Conference on Urban Climate / 12th Symposium on the Urban Environment of the American Meteorological Society, July 20-24 2015, Toulouse, France.
  • Kokkonen T.V, Grimmond C. S. B, Ward H, Christen A, Oke TR, Hayn M, Järvi L, 2015: 'Long-term variability of suburban energy and water exchanges'. 9th International Conference on Urban Climate / 12th Symposium on the Urban Environment of the American Meteorological Society, July 20-24 2015, Toulouse, France.
  • Kokkonen T.V, Grimmond C. S. B, Ward H. , Christen A, Oke TR, Räty O, Hayn M, Järvi L, 2015: 'Long-term impact of urbanization and subsequent densification on the water balance in Vancouver, Canada'. Rainfall in Urban and Natural Systems 10th International Workshop on Precipitation in Urban Areas, Pontresina, Switzerland. 1-5 December 2015.
  • Krayenhoff ES, Christen A, Martilli A, Oke TR, 2015: 'A multi-layer urban canopy model for neighbourhoods with trees'. 9th International Conference on Urban Climate / 12th Symposium on the Urban Environment of the American Meteorological Society, July 20-24 2015, Toulouse, France.
  • Lee S-C, Christen A, Black TA, Jerreat-Poole H, Ketler R, Merkens M, Moore R.D, Nesic Z, 2015: 'Net ecosystem exchange of a disturbed and rewetted raised bog ecosystem measured by eddy covariance'. 49th CMOS Congress and 13th AMS Conference on Polar Meteorology and Oceanography, May 31 to June 4, 2015, Whistler, BC, Canada. → Conference Poster
  • Lee S-C, Christen A, Black TA, Johnson M, Ketler R, Nesic Z, Merkens M, 2015: 'Eddy covariance measurements of greenhouse gases from a restored and rewetted raised bog ecosystem'. AGU Fall Meeting, December 14 to 18, 2015, San Francisco, CA, USA.
  • Lee JK, Christen A, Nesic Z, Ketler R, 2015: 'A Mobile Sensor Network to Map Carbon Dioxide across Urban Environments'. 9th International Conference on Urban Climate / 12th Symposium on the Urban Environment of the American Meteorological Society, July 20-24 2015, Toulouse, France.
  • Meyer G, Black TA, Nesic Z, Jassal R.S, Grant N.J, Spittlehouse D.L, Fredeen A.L, Christen A, Foord V.N, Bowler R, 2015: 'Evapotranspiration and water use efficiency over eight years following mountain pine beetle attack in lodgepole pine stands in northern British Columbia' 4th International Conference Forests and Water in a Changing Environment, Kelowna, BC, 6-9 July 2015.

2014

  • Cassidy AE, Christen A, Henry G, 2014: 'Impacts of High Arctic Retrogressive Thaw Slumps on Ecosystem Fluxes'. Arctic Change 2014 Conference. Oral Presentation. December 8-12, 2014. Ottawa, ON, Canada.
  • Christen A, Krayenhoff ES, Martilli A, Oke TR, Santiago J.-L, Voogt JA, 2014: 'Effects of urban trees on drag and turbulence in cities'. Invited Contribution. SCMO / CMOS Annual Congress, 1-5 June 2014, Rimouski, QB, Canada.
  • Christen A, Lee JK, Ketler R, Nesic Z, Schwendenmann L, Semmens CI, 2014: 'Seasonal variations in δ13C and δ18O of atmospheric CO2 measured in the urban boundary layer over Vancouver, Canada in relation to fuel emissions.'. AGU Fall Meeting 2014, San Francisco, 15 - 19 December 2014.
  • Egli P, Giometto M, Tooke R, Krayenhoff SE, Christen A, Parlange M.B, 2014: 'A Large Eddy Simulation to determine the effect of trees on wind and turbulence over a suburban surface'. AGU Fall Meeting 2014, San Francisco, 15 - 19 December 2014.
  • Emmel C, Nesic Z, Ketler R, Black TA, Christen A, 2014: 'Flux-gradient relationships in an open-canopy lodgepole pine stand after insect attack'. AMS 31st AMS Conference on Agricultural and Forest Meteorology, 12 - 15 May 2014, Portland, OR, USA.
  • Emmel C, Paul-Limoges E, Bowler R, Black TA, Christen A, 2014: 'Vertical distribution of CO2 sources and sinks in an insect-attacked pine stand'. 1st ICOS Science Conference, 23-25 Sep 2014 , Burssels, Belgium.
  • Giometto M, Christen A, Calaf M, Parlange M.B, 2014: 'The impact of variable building height on drag, flow and turbulence over a realistic suburban surface'. AGU Fall Meeting 2014, San Francisco, 15 - 19 December 2014.
  • Kotthaus S, Ward H.C, Grimmond CSB, Evans J. G, Bjorekgren A, Minns J. Christen A, 2014: 'Linking Carbon Dioxide Fluxes to Urban Density'. AMS 11th Symposium on the Urban Environment, Atlanta, Georgia, 2-6 February 2014. → Short Abstract
  • Krayenhoff ES, Santiago J.-L, A. Martilli A, Christen A, 2014: 'Parameterization of drag and turbulence for urban neighbourhoods with trees'. AMS 11th Symposium on the Urban Environment, Atlanta, Georgia, 2-6 February 2014. → Extended Abstract (0.3 MB)
  • Lee JK, Christen A, Nesic Z, Ketler R, 2014: 'A Mobile Sensor Network to Map CO2 in Urban Environments'. AGU Fall Meeting 2014, San Francisco, 15 - 19 December 2014.
  • Meyer G, Black TA, Nesic Z, Jassal R.S, Grant N.J, Fredeen A.L, Spittlehouse D.L, Christen A, Brown M.G, Mathys A, Emmel C, Bowler R, 2014: 'What have we learnt from carbon and water flux measurements following the recent mountain pine beetle epidemic in BC?' 31st Conference on Agricultural and Forest Meteorology / 2nd Conference on Atmospheric Biogeosciences, Portland, OR, 12-15 May 2014.
  • Paul-Limoges E, Black TA, Christen A, Nesic Z, Jassal, R. S, 2014: 'Comparison of carbon balances of a Douglas-fir forest from pre- to post-harvest'. AMS 31st AMS Conference on Agricultural and Forest Meteorology, 12 - 15 May 2014, Portland, OR, USA.
  • Paul-Limoges E, Black TA, Christen A, Nesic Z, Jassal, R. S, 2014: 'Effect of clearcut harvesting on the carbon balance of a Douglas-fir forest'. 1st ICOS Science Conference, 23-25 Sep 2014 , Burssels, Belgium.
  • Ward H, Kotthaus S, Grimmond C. S. B, Bjorkegren, A, Wilkinson M, Morrison W, Evans J, Morison J, Christen A, 2014: 'Variability in carbon dioxide fluxes for dense urban, suburban and woodland environments in southern England'. EGU General Assembly 2014, held 27 April - 2 May, 2014 in Vienna, Austria, id.16871. → Short Abstract

2013

  • Cassidy AE, Christen A, Henry G, 2013: 'Permafrost Disturbance in the High Arctic: Impacts of Retrogressive Thaw Slumps on Ecosystem Fluxes'. ADAPT Workshop, ArcticNet ASM 2013, Halifax, Canada, 9-13 December 2013.
  • Christen A, Johnson M, Molodovskaya M, Ketler R, Nesic Z, Crawford BR, Giometto M, van der Laan M, 2013: 'Integral emission factors for methane determined using urban flux measurements and local-scale inverse models'. EGU General Assembly 2013, Vienna, Austria, 7 - 12 April 2013.
  • Christen A, Giometto M, Parlange M.B, 2013: 'Large Eddy Simulations to determine the role of dispersive stresses in the urban canopy layer'. EGU General Assembly 2013, Vienna, Austria, 7 - 12 April 2013.
  • Christen A, Ketler R, Nesic Z, Schwendenmann L, Roth M, 2013: 'Source attribution of fossil-fuel emissions at the urban scale using stable isotopologues of carbon-dioxide'. Invited Contribution. AGU Fall Meeting 2013, San Francisco, 9 - 13 December 2013.
  • Christen A, Oldroyd H. J, Diebold M, Huwald H, Parlange M, 2013: 'Spatial structure of turbulent heat exchange at the snow-atmosphere interface inferred from time-sequential infrared thermography'. AGU Fall Meeting 2013, San Francisco, 9 - 13 December 2013.
  • Christen A, 2013: 'Measuring and modelling greenhouse gas emissions from urban systems'. Invited Keynote. 2013 TERENO Workshop, Garmisch-Partenkirchen, Germany, 10 - 12 June 2013.
  • Diebold M, Oldroyd H. J, Huwald H, Higgins C. W, Christen A, Lehning M, Parlange M. B, 2013: 'Influence of snow on the atmospheric surface layer'. Davos Atmosphere and Cryosphere Assembly DACA-13. Davos, Switzerland, July 8-12, 2013.
  • Grimmond CSB, Kotthaus S, Ward H, Evans J, Bjorekgren A, Minns J, Christen A, 2013: 'Surface controls on Urban Carbon exchanges'. Invited Presentation. Urban Environmental Pollution. Beijing, China, November 17-20, 2013.
  • Huwald H, Diebold M, J. Oldroyd H.J, Higgins C. W, Nolin A.W, Drake S.A, Pardyjak E.R, Selker J.S, Christen A, Lehning M, Parlange M.B, 2013: 'Influence of turbulence-induced pressure fluctuations on snow pack interstitial transport dynamics'. Davos Atmosphere and Cryosphere Assembly DACA-13. Davos, Switzerland, July 8-12, 2013.
  • Parlange M, Giometto M, Meneveau C, Christen A, 2013: 'Comparing large eddy simulations and measurements of the turbulent kinetic energy budget in an urban canopy layer'. AGU Fall Meeting 2013, San Francisco, 9 - 13 December 2013.
  • Paul-Limoges E, Black TA, Christen A, Nesic Z, Ketler R, Grant N.J, Baker, TD, Jassal, R.S, Humphreys, E.R, 2013: 'The importance of replication of CO2 flux measurements in forest clearcuts'. AGU Fall Meeting 2013, San Francisco, 9 - 13 December 2013.

2012

  • Adderley C, Christen A, Voogt J.A, Meier F, 2012: 'The effect of preferential view direction on measured urban surface temperature'. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012. → Extended Abstract (0.5 MB)
  • Christen A, 2012: 'Progress in measuring and modeling greenhouse gas exchange in urban ecosystems'. Invited Plenary Talk. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012.
  • Christen A, van der Laan M, Kellett R, Tooke R, 2012: 'Context sensitive scaling of energy use simulations - from individual buildings to cities'. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012. → Slides (15.0 MB)
  • Crawford BR, Christen A, 2012: 'Temporal and spatial partitioning of measured urban carbon-dioxide fluxes'. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012. → Extended Abstract (2.1 MB)
  • Crawford BR, Christen A, 2012: 'Quantifying the CO2 storage term in urban eddy covariance observations'. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012. → Extended Abstract (4.4 MB)
  • Emmel C, Paul-Limoges E, Ketler R, Black A, Christen A, 2012: 'Energy balance partitioning and closure within the canopy of a Mountain Pine Beetle attacked lodgepole pine stand'. 30th AMS Conference on Agricultural and Forest Meteorology. Boston, MA. May 28 - June 1, 2012. → Abstract / Recorded Presentation
  • Emmel C, Paul-Limoges E, Ketler R, Black A, Christen A, 2012: 'Mountain pine beetle and climate - the importance of the secondary structure in forests'. ISSRM 2012 - International Symposium on Society & Resource Management, Edmonton, AB, June 17 - 21, 2012.
  • Emmel C, Bowler R, Black A. Christen A, 2012: 'Determining the vertical carbon dioxide source/sink distribution in a mountain pine beetle attacked forest: A comparison of eddy-covariance and ecophysiological approaches'. AGU Fall Meeting 2012, San Francisco, CA, USA, December 3-7, 2012.
  • Järvi L, Grimmond CSB, Christen A, Taka M, Setälä H, Kotthaus S, Coutts A, Beringer J, Vesala T, 2012: 'SUEWS - A new tool to simulate urban energy and water exchanges'. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012.
  • Krayenhoff SE, Christen A, Martilli A, Oke TR, 2012: 'A multi-layer radiation model for urban neighbourhoods with trees'. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012. → Extended Abstract (0.4 MB)
  • Oldroyd H.J, Christen A, Pardyjak E.R, Calaf M, Nadeau D.F, Hultmark M, Parlange M.B, 2012: 'Steep slope flow observations during the morning transition in a narrow alpine valley'. AGU Fall Meeting 2012, San Francisco, CA, USA, December 3-7, 2012 → Poster (4.5 MB)
  • Meier F, Krayenhoff SE, Inagaki A, Scherer D, Christen A, Kanda M, 2012: 'Physical and numerical modelling of sub-facet surface temperature variability'. ICUC-8 - 8th International Conference on Urban Climate. Dublin, Ireland. Aug 6 - 10, 2012. → Slides
  • Paul-Limoges E, Black, TA, Christen A, Nesic Z, Grant, N, Jassal, R.S, Baker, T.D., Ketler, R., 2012: 'Pre- to post-harvest net ecosystem productivity of a Douglas-fir forest: a comparison of a site specific disturbance in a chronosequence study'. AGU Fall Meeting 2012, San Francisco, CA, USA, December 3-7, 2012 → Poster (1.4 MB)

2011

  • Christen A, van der Laan M, Crawford BR, Kellett R, 2011: 'Validation of modeled anthropogenic heat fluxes using long-term energy-balance measurements'. 19th International Congress of Biometeorology 2011. Auckland, New Zealand. December 4-8, 2011. → Slides (4.5 MB)
  • Christen A, 2011: 'Carbon-dioxide emissions and uptake in urban ecosystems - Integrating models and measurements'. Workshop on 'Carbon Dioxide in the Urban Environment'. University of Auckland, Auckland, New Zealand. December 1-2, 2011 (invited).
  • Christen A, Pauls D, Bittman S, 2011: 'The effect of vegetative buffers on wind and dispersion of particulate matter around poultry barns'. Presentation at 51st Annual PNWIS conference 2011, Nov 8 - 11, 2011 at Harrison Hot Springs, BC, Canada. → Slides (3.2 MB)
  • Christen A, Bergeron O, Crawford BR, Oke, T. R, van der Laan M, Strachan I, Voogt J. A, 2011: 'Tower-based measurements of carbon emissions in four Canadian residential neighborhoods reveal linkages between urban metabolism and form'. ISUF 2011 - International Seminar on Urban Form. Montreal, Canada. August 26-29, 2011.
  • Christen A, Garai A, Inagaki A, Kleissl J, Meier F, Scherer D, Vogt R, Voogt JA, 2011: 'Mapping coherent structures responsible for heat exchange between land-surfaces and atmosphere using time-sequential thermography'. Coherent Flow Structures in Geophysical Flows at Earth's surface, Burnaby, BC, Canada. August 3-5, 2011. → Slides (8.2 MB)
  • Christen A, Oke TR, Voogt JA, 2011: 'Seasonal controls on urban-rural differences of the surface radiation budget'. CMOS Congres 2011, Victoria, Canada, June 5-9, 2011. → Slides (12.2 MB)
  • Bittman S, Bartlett K, Hunt D.E, Chipperfield K, Christen A, Foyle J, 2011: 'Emission and mitigation of particulate matter from poultry housing using an electrostatic precipitator in the Lower Fraser Valley'. Presentation at 51st Annual PNWIS conference 2011, Nov 8 - 11, 2011 at Harrison Hot Springs, BC, Canada.
  • Emmel C, Paul-Limoges E, Ketler R, Black. T. A, Christen A, 2011: 'Vertical variations of the energy balance partitioning in an insect-attacked forest stand'. CGU 2011 Annual Meeting in Banff / Joint meeting with Canadian Society of Agricultural and Forest Meteorology, Banff, Canada, May 15-18, 2011.→ Poster (7.5 MB)
  • Emmel C, Paul-Limoges E, Ketler R, Black. T. A, Christen A, 2011: 'Carbon dioxide source/sink distribution in a mountain pine beetle attacked lodgepole pine stand'. CMOS Congres 2011, Victoria, Canada, June 5-9, 2011.
  • Grimmond CSB, Christen A, Järvi L, 2011: 'Surface Urban Energy and Water Balance Scheme (SUEWS: Development, Evaluation and Application'. 11th European Conference on Applications of Meteorology / EMS Annual Meeting, Berlin, Germany, 12-16 September, 2011.
  • van der Laan M, Christen A, Tooke T. R, Kellett R, 2011: 'Urban morphology and building typology: Carbon emissions estimates through LiDAR and building energy simulation'. ISUF 2011 - International Seminar on Urban Form. Montreal, Canada. August 26-29, 2011.
  • Tooke T. R, van der Laan M, Coops, N. C, Kellett R, Christen A, 2011: 'Classification of Residential Building Architectural Typologies using LiDAR'. I. Joint Urban Remote Sensing Event. Munich, Germany, April 11-13, 2011. → Extended Abstract

2010

  • Böhm M, Harman I, van Gorsel E, Finnigan J, Raupach M, Vogt R, Christen A, 2010: 'Identification of processes governing within-canopy momentum and scalar transfer from vegetation canopies to urban landscapes', 19th Symposium on Boundary Layers and Turbulence, August 2 - 6, Keystone CO, USA. → Abstract / Recorded Presentation
  • Brown M, Black A, Nesic Z, Foord V, Spittlehouse D, Christen A, Bowler R, Fredeen A, Burton P, Trofymow T, Grant N, 2010: 'Carbon balance and water use efficiency of two lodgepole pine stands recovering from mountain pine beetle attack in British Columbia', 29th AMS Conference on Agricultural and Forest Meteorology, August 2 - 6, Keystone CO, USA.
  • Christen A, Crawford BR, Grimmond S, Voogt J, Oke T, 2010: 'Year-long urban-rural differences of the surface radiation and energy balance observed in and near Vancouver, BC', 44th Annual CMOS Congress / 36th Annual Scientific Meeting of CGU. May 31 - June 4, Ottawa, Canada.→ Abstract.
  • Christen A, Coops N, Crawford BR, Kellett R, Liss K, Oke T, Olchovski I, Tooke R, van der Laan M, Voogt J, 2010: 'Comparing an urban metabolism model to long-term CO2 eddy-covariance measurements', 9th AMS Symposium on the Urban Environment, August 2 - 6, Keystone CO, USA. → Extended Abstract (23.5 MB), → Recorded Presentation.
  • Christen A, Voogt J, 2010: 'Inferring turbulent exchange processes in an urban street canyon from high-frequency thermography', 19th Symposium on Boundary Layers and Turbulence, August 2 - 6, Keystone CO, USA. → Abstract / Recorded Presentation.
  • Jarvi L, Grimmond S, Loridan T, Oke T, Christen A, Crawford BR, 2010: 'Urban water balance in Vancouver: impacts of changes in land cover'. 9th AMS Symposium on the Urban Environment, August 2 - 6, Keystone CO, USA. → Abstract.
  • Leitch A, Nesic Z, Black A, Christen A, Bruemmer C, Jassal R, Renata-Motta S, Grant N, Ketler R, Lessard D, Hum A, Liss K, 2010: 'Diurnal pattern of horizontal CO2 advection in a Douglas-fir stand on sloping terrain', CCP 2010 Annual General Meeting, Montreal, QC. February 26-28, 2010.
  • Leitch A, Nesic Z, Black A, Christen A, Bruemmer C, Ketler R, Lessard D, Hum A, Grant N, Jassal R, Renata-Motta S, Liss K, 2010: 'Summertime horizontal and vertical advective carbon dioxide fluxes measured in a dense Douglas-fir forest on a slope' 29th AMS Conference on Agricultural and Forest Meteorology, August 2 - 6, Keystone CO, USA.
  • van der Laan M, Tooke R, Christen A, Coops N, Kellett R, Oke T, 2010: 'A LIDAR-based approach for anthropogenic heat release modeling by buildings at the urban neighborhood-scale', 44th Annual CMOS Congress / 36th Annual Scientific Meeting of CGU. May 31 - June 4, Ottawa, Canada.→ Abstract.
  • van Gorsel E, Böhm M, Harman I, Finnigan J, Christen A, Vogt R, 2010: 'Effects of diabatic stability on turbulent biosphere-atmosphere exchange processes for momentum and scalars', 19th Symposium on Boundary Layers and Turbulence, August 2 - 6, Keystone CO, USA. → Abstract / Recorded Presentation.
  • Voogt J, Oke T, Bergeron O, Leroyer S, Bélair S, Benjamin M, Christen A, Coops N, Mailhot J, McKendry I, Strachan I, Wang J, 2010: 'The Environmental Prediction in Canadian Cities (EPiCC) Network', 44th Annual CMOS Congress / 36th Annual Scientific Meeting of CGU. May 31 - June 4, Ottawa, Canada.→ Abstract.

2009

  • Brümmer C, Leitch A, Black TA, Jassal R, Nesic Z, Grant N, Christen A, Hum A, Lessard D, Ketler R, Sauter A, Spittlehouse D.L, 2009: 'CR-ADVEX: An ADVection EXperiment at a moderately-sloped Douglas-fir site', AGM, Canadian Carbon Program, Feb 27-Mar 1, 2009, Vancouver, BC.→ Poster (5.3 MB)
  • Christen A, Grimmond C. S. B, Roth M, Pardyjak E, 2009: 'The IAUC Urban Flux Network - An international network of micrometeorological flux towers in urban ecosystems', Eos Trans. AGU, 90(52), Fall Meet. Suppl, Abstract B31C-06. → Abstract.
  • Christen A, 2009: 'Field measurements of urban roughness sublayer turbulence', NCAS Urban Meteorology Workshop Urban roughness sublayers - from measurements and CFD to predictive models, Reading, UK, March 30-31, 2009 (Invited).
  • Christen A, Coops N, Crawford BR, Liss K, Oke, T. R, Tooke R, 2009: 'The role of soils and lawns in urban-atmopshere exchange of carbon dioxide', 7th International Conference on Urban Climate, Yokahama, Japan, June 29 - July 3, 2009. → Poster (5.2 MB)
  • Christen A, Voogt J. A, 2009: 'Linking atmospheric turbulence and surface temperature fluctuations in a street canyon', 7th International Conference on Urban Climate, Yokahama, Japan, June 29 - July 3, 2009.
  • Christen A, Crawford BR, Goodwin N, Tooke R, Coops N, Grimmond CSB, Oke TR, Voogt JA, 2009: 'The EPiCC Vancouver Experiment - how do urban vegetation characteristics and garden irrigation control the local-scale energy balance?' Proc. of the AMS Eighth Conference on the Urban Environment, Phoenix, AZ, January 11-15, 2009. → Extended Abstract (0.9 MB)
  • Crawford BR, Christen A, McKendry IG, van der Kamp D, 2009: 'Vertical profiles of carbon-dioxide in the urban boundary layer - measurements and modeling', 7th International Conference on Urban Climate, Yokahama, Japan, June 29 - July 3, 2009.
  • Crawford BR, Christen A, 2009: 'Observations of carbon dioxide concentrations in the greater Vancouver region'. AMS Eighth Conference on the Urban Environment, Phoenix, AZ, January 11-15, 2009.
  • Crawford BR, Christen A, Oke TR, Voogt J.A, Grimmond CSB, 2009: 'Observations of carbon dioxide fluxes in two suburban neighborhoods in Vancouver, Canada' Proc. of the AMS Eighth Conference on the Urban Environment, Phoenix, AZ, January 11-15, 2009. → Extended Abstract (0.5 MB)
  • Leitch A, Nesic Z, Black TA, Christen A, Bruemmer C. Jassal R, Renata-Motta S, Grant N, Ketler R, Lessard D, Liss K, 2009: 'Demonstrating the incidence and coherence of horizontal carbon dioxide advection due to katabatic flow in a dense forest', Eos Trans. AGU, 90(52), Fall Meet. Suppl, Abstract B51A-0303. → Abstract
  • Liss K, Crawford BR, Jassal R, Siemens C, Christen A, 2009: 'Soil respiration in suburban lawns and its response to varying management and irrigation regimes' Proc. of the AMS Eighth Conference on the Urban Environment, Phoenix, AZ, January 11-15, 2009. → Extended Abstract (1.3 MB), → Poster (4.9 MB)
  • Liss K, Christen A, Crawford BR, Siemens C, 2009: 'Green cities: Environmental controls on carbon dioxide flux from urban turfgrass'. Rising Stars of Research - National Undergraduate Science and Engineering Reserach Poster Poster Competition, Vancouver, BC, August 19-22, 2009 (Kate Liss received the Honourable Mention Distinction in the Physical and Earth Sciences Division for this presentation).
  • Oke T, Salmond J, Roth M, Satyanarayana A, Voogt J, Vogt R, Christen A, 2009: 'Can canyon and rooftop heat fluxes be combined into neighborhood fluxes?' Assoc. of Americal Geographers, 2009 Annual Meeting, March 22-27 Las Vegas, NV.
  • Voogt J. A, Christen A, 2009: 'Assessment of urban soil moisture using thermal imaging in a residential street canyon', 7th International Conference on Urban Climate, Yokahama, Japan, June 29 - July 3, 2009.

2008

  • Christen A, Novak M, 2008: 'Higher-order statistics of the turbulent flow in a sparse Lodgepole Pine canopy', AMS 18th Symposium on Boundary Layers and Turbulence, June 9 - 13, 2008, Stockholm, Sweden. → Poster (5.6 MB)
  • Christen A, Novak M, Black TA, Brown M, 2008: 'The budgets of turbulent kinetic energy and sensible heat flux within and above a sparse Lodgepole Pine stand', 18th Conference on Atmospheric BioGeosciences / 28th Conference on Agricultural and Forest Meteorology, April 27 - May 2, 2008, Orlando, FL. → Slides (4.6 MB), → Link
  • Christen A, Scherer D, Schindler D, Vogt R, 2008: 'Convection velocities and spatial turbulence statistics in the trunk space of a forest ', AMS 18th Symposium on Boundary Layers and Turbulence, June 9 - 13, 2008, Stockholm, Sweden.→ Link.
  • Christen A, Scherer D, Schindler D, Vogt R, 2008: 'Christen A, Holst J, Scherer D, Schindler D, Vogt R, 2008: 'Dispersive fluxes of momentum, sensible heat and CO2 in a forest canopy', 18th Conference on Atmospheric BioGeosciences / 28th Conference on Agricultural and Forest Meteorology, April 27 - May 2, 2008, Orlando, FL.→ Link.
  • Oke, T.R. Voogt J, Belair S, Benjamin M, Christen A, Coops N, Grimmond S, Masson V, Lemonsu A, Mailhot J, Mckendry I, Strachan I, 2008: 'Environmental Prediction in Canadian Cities (EPiCC) Network', CMOS 2008 Congress - Water, Weather, Climate: Science Informing Decisions, May 25 - 29, 2008, Kelowna, BC.

2007

  • Christen A, Scherer D, Schindler D, Vogt R, 2007: 'Two-point statistics of turbulent flow in the canopy layer', International Conference on Wind and Trees August 5-9, Vancouver, BC → Poster (5.8 MB)
  • Voogt J. A, Oke, T. R, Belair, S, Benjamin, M, Christen A, Coops, N, Grimmond, CSB, Lemonsu, A, Mailhot, J, Masson, V, McKendry, I, Strachan, I, Wang, J, 2007: 'The Environmental Prediction in Canadian Cities (EPiCC) Network', AMS Seventh Symposium on the Urban Environment September 10-13, San Diego, USA → Poster (3.7 MB)

2006

  • Christen A, Grimmond C. S. B, Miglietta F, Moriwaki R, Vogt R, 2006: 'CO2 exchange in urban environments - Recent experimental studies using eddy-covariance approaches', 1st iLEAPS Science Conference January 21-26, Boulder, Colorado, USA. → Poster (0.6 MB)
  • Christen A, Vogt, R, van Gorsel E, Pitacco A, 2006: 'Intermittency and non-Gaussian statistics in canopy turbulence and their role in turbulent trace-gas exchange', Flux Measurements in Difficult Conditions, a Specialist Workshop January 26-28, Boulder, Colorado, USA.
  • Christen A, van Gorsel, E, Vogt R, 2006: 'The plane mixing layer analogy applied to turbulence in the urban roughness sublayer', AMS 6th Symposium on the Urban Environment January 29 - February 2, Atlanta, GA, USA.
  • Christen A, Grimmond C. S. B, Moriwaki R, Scherer D, Vogt R, 2006: 'Evaluating conditional sampling strategies for trace-gas flux measurements in urban environments', AMS 6th Symposium on the Urban Environment January 29 - February 2, Atlanta, GA, USA. → Poster (7.2 MB)
  • Christen A, Scherer D, Mielke M, 2006: 'High frequency patterns in urban surface temperatures', Europ. Assoc. Remote Sensing Laboratories (EARSeL) - First Workshop of the Special Interest Group on Urban Remote Sensing Berlin, Germany, March 2-3. → Poster, 20.6 MB)
  • Christen A, Scherer D, 2006: 'Measurement of trace-gas fluxes in urban environments - methodical considerations, instrumental challenges and first results'. 6th International Conference on Urban Climate ICUC-6, Göteborg, Sweden, June 12-16.
  • Christen A, van Gorsel E, Vogt R, 2006: 'Coherent structures in urban roughness-sublayer turbulence'. 6th International Conference on Urban Climate ICUC-6, Göteborg, Sweden, June 12-16.
  • Scherer D, Mielke M, Christen A, 2006: 'Atmospheric correction of ground-based thermal infrared imagery of urban surfaces acquired in oblique-viewing geometry'. Europ. Assoc. Remote Sensing Laboratories (EARSeL) - First Workshop of the Special Interest Group on Urban Remote Sensing Berlin, Germany, March 2-3.
  • Scherer D, Christen A, Mielke, M, 2006: 'Long-term high-frequency thermal infrared monitoring of urban surfaces in Berlin, Germany', 6th International Conference on Urban Climate ICUC-6, Göteborg, Sweden, June 12-16.
  • Vogt R, Christen A, Feigenwinter F, van Gorsel E, Imbery, F, Lehner I, Pitacco A, 2006: 'Turbulence profiles in and above three Mediterranean tree crops'. Flux Measurements in Difficult Conditions, a Specialist Workshop January 26-28, Boulder, Colorado, USA.

2005

  • Christen A, 2005: 'Dissimilarities, intermittency and non-Gaussian statistics in turbulent trace gas exchange within and above a cork oak canopy'. Interreg Carbon Workshop 2005, Titisee, Germany, Nov 22-23, 2005 (Invited).

2004

  • Batchvarova E, Gryning, S-E, Rotach, M, Christen A, 2004: Modelled aggregated turbulent fluxes compared to urban turbulence measurements at different heights 9th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes Garmisch- Partenkirchen, Germany, June 1-4, 2004. → Link
  • Christen A, Rotach MW, Vogt R, 2004: Experimental determination of the turbulent kinetic energy budget within and above an urban canopy Fifth AMS Symposium on the Urban Environment 23-27 August, Vancouver, BC, Canada. → Extended Abstract (1.5 MB)
  • Christen A, Rotach MW, 2004: Estimating wind speed at an urban reference height Fifth AMS Symposium on the Urban Environment 23-27 August, Vancouver, BC, Canada → Extended Abstract (0.3 MB), → Poster (1.0 MB), → Link
  • Christen A, Vogt R, 2004: Direct measurement of dispersive fluxes within a cork oak plantation 26th AMS Conference on Agricultural and Forest Meteorology 23-27 August, Vancouver, BC, Canada. → Extended Abstract (0.8 MB), → Link
  • Christen A, Feigenwinter C, Roth M, Vogt R, 2004: Selected characteristics of turbulent CO2 exchange above an urban surface. Fluxnet International Workshop. Firenze, Italy, December 13-15 2004. → Poster (1.1 MB)
  • Grimmond CSB, Dragoni D, Anderson D. E, Beringer J, Christen A, Coutts A, Crawford B, Fowler D, Hu F, Hom J, Kanda M, King T.S, Kuttler W, Masson V, Mayer H, McFadden J, Miglietta F, Moriwaki R, Nemitz E, Offerle B, Oke TR, Scherer D, Soegaard H, Tapper N, Walsh C.J, Vogt R, 2004: 'Urban Fluxnet: CO2-flux Measurements', Fluxnet International Workshop. Firenze, Italy, December 13-15 2004 → Poster (0.6 MB)
  • Piringer M, Baklanov A, Burzynski J,De Ridder K, Deserti M, Joffre S, Karppinen A, Mestayer P, Middleton D.R, Tombrou M, Vogt R. and Christen A, 2004: 'The urban surface energy budget and the mixing height: Some results of recent European experiments stimulated by the COST - Action 715', 9th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes Garmisch- Partenkirchen, Germany, June 1-4, 2004 → Extended Abstract (0.3 MB).
  • Vogt R, Christen A, Pitacco A, 2004: 'Flux profiles in and above an olive and a cork oak canopy', 26th AMS Conference on Agricultural and Forest Meteorology, 23-27 August, Vancouver, BC, Canada. → Abstract
  • Vogt R, Christen A, Pitacco A, 2004: 'Scintillometer measurements inside two tree canopies', 26th AMS Conference on Agricultural and Forest Meteorology, 23-27 August, Vancouver, BC, Canada. → Abstract
  • Vogt R, Christen A, Eitel J. , Parlow E, 2004: 'CO2 flux measurements in the City of Basel.' Fluxnet International Workshop, Firenze, Italy, December 13-15 2004.
  • Vogt R, Christen A, Lehner I, Imbery F, Pitacco A, 2004: 'Micrometeorological measurement of Et Part A: Fluxes Extra Vergine'. Workshop on Water Use of Woody Crops: techniques, issues, modeling and applications on water management, May 20 - 21, 2004, Ilhavo, Portugal.

2003

  • Christen A, Vogt R, Rotach MW, 2003: Profile measurements of selected turbulence parameters over different urban surfaces. 4th International Conference on Urban Air Quality, Prague March 25-27 2003, p. 408-411 → Extended Abstract (2.5 MB)
  • Christen A, Bernhofer C, Parlow, E, Rotach, MW, Vogt R, 2003: Partitioning of turbulent fluxes over different urban surfaces. Fifth International Conference on Urban Climate, September 1-5 2003, Lodz, Poland , 4p. → Extended Abstract (0.6 MB)
  • Christen A, Feigenwinter, C, Roth M, Vogt R, 2003: Vertical profiles of CO2 in an urban street canyon. EGS-AGU-EUG Joint Assembly April 6-11, 2003 Nice. Abstract No: EAE03-A-09760. → Poster (2.4 MB)
  • Gryning S.-E, Batchvarova E, Rotach MW, Christen A, Vogt R, 2003: Roof level urban tracer experiment: measurements and modelling. 26th ITM NATO/CCMS international technical meeting on air pollution modelling and its application, May 26-30, 2003 Istanbul, 8p. → Link.
  • Lehner I, Bernhofer C, Christen A, Feigenwinter C, Parlow E, van Gorsel E and Vogt R:, 2003: Energiebilanzschliessung über einem bewässerten Baumwollfeld. Biomet 2003, Dresden, December 3 - 5 2003.
  • Rotach MW, Batchvarova E, Christen A, Gryning S.-E, Vogt R, 2003: The BUBBLE near-surface tracer release experiment. 4th International Conference on Urban Air Quality, Prague March 25-27 2003, p. 30-33.
  • Rotach MW, Christen A, Vogt R, 2003: Profiles of turbulence statistics in the urban roughness sublayer with special emphasis to dispersion modeling. Fifth International Conference on Urban Climate, September 1-5 2003, Lodz, Poland 4p. → Link.
  • Roth M, Salmond J, Oke TR,Christen A, Vogt, R, 2003: Methodological considerations for the application of Monin-Obukhov similarity framework in urban settings. EGS-AGU-EUG Joint Assembly April 6-11, 2003 Nice. Abstract No: EAE03-A-03195
  • Roth M, Salmond J, Satyanarayana A.N.V, Christen A, Vogt, R, Oke TR, 2003: Turbulence Characteristics, similarity and CO2 (co)spectra over an urban canyon Fifth International Conference on Urban Climate, September 1-5 2003, Lodz, Poland 4p. → Link.
  • Salmond J.A, Roth M, Oke TR, Satyanarayana A.N.V, Christen A, 2003: Methodological considerations regarding the use of scintillometers in the urban roughness sub-layer. EGS-AGU-EUG Joint Assembly April 6-11, 2003 Nice. Abstract No: EAE03-A-03195
  • Salmond J.A, Roth M, Oke TR, Satyanarayana A.N.V, Vogt R, Christen A, 2003: Comparison of turbulent fluxes from roof top versus street canyon locations using scintillometers and eddy covariance techniques. Fifth International Conference on Urban Climate, September 1-5 2003, Lodz, Poland 4.p. → Link.
  • van Gorsel, E, Vogt R, Christen A, M. W. Rotach, 2003: Low frequency temperature and velocity oscillations in katabatic winds. International Conference on Alpine Meteorology, Brig, May 19 to 23, 2003. → Extended Abstract (1.8 MB)
  • Vogt R, Christen A, Pitacco A,, 2003: Scintillometer measurements in a Cork Oak and an Olive tree plantation. BIOMET 2003. TU Dresden, December 3 - 5 2003.
  • Vogt R, Christen A, Rotach, MW, 2003: Vertical structure of sensible heat flux in an urban canopy layer. EGS- AGU-EUG Joint Assembly April 6-11, 2003 Nice. Abstract No: EAE03-A-12252.
  • Vogt R, Christen A, Rotach MW, Roth M, Satyanarayana A.N.V, 2003: Fluxes and profiles of CO2 in the urban roughness sublayer. Fifth International Conference on Urban Climate, September 1-5 2003, Lodz, Poland 4p. → Link.

2002

  • Christen A, Vogt R, Rotach MW , Parlow E, 2002: First Results from BUBBLE I: Profiles of fluxes in the urban roughness sublayer. AMS 4th Symposium on the Urban Environment, Norfolk VA. 105-106.
  • Christen A, Vogt R, Rotach MW, Parlow E, 2002: First Results from BUBBLE II: Partitioning of turbulent heat fluxes over urban surfaces. AMS 4th Symposium on the Urban Environment, Norfolk VA. 137-138.
  • Feigenwinter C, Vogt R, Lehner I, Christen A, Bernhofer C, Grünwald T, Köstner B, Prasse H, 2002: Experimentelle Erfassung der horizontalen Advektion von CO2 an der Ankerstation Tharandt. VERTIKO- Workshop, Thurnau, 2002.

2001

  • Christen A, van Gorsel E, Vogt R, M. Andretta and M. W. Rotach, 2001: Ultrasonic Anemometer Instrumentation at Steep Slopes : Wind Tunnel Study - Field Intercomparison - Measurements. Proceedings of MAP Meeting, Schliersee, Germany, pp 164-167. → Extended Abstract (0.7 MB).
  • Christen A, van Gorsel E, Pitacco, A. and Vogt, R, 2001: Rekonstruktion der räumlichen Turbulenzstruktur alpiner Hangwinde aus Profilmessungen mit Ultraschall Anemometern. DACH Meteorologentagung, Wien, 18.-21.September
  • Christen A, Parlow E, van Gorsel E and Vogt R, 2001: Hochfrequente Dynamik der Hangzirkulation - Ergebnisse aus dem MAP-Riviera. AK Klima, Delémont, 23.-25.November.
  • Lehner,I, Christen A, Feigenwinter, C, Parlow, E,  van Gorsel E, and Vogt, R, 2001: Sodarmessungen während EBEX2000. DACH Meteorologentagung, Wien, 18.-21.September
  • van Gorsel E, Christen A, Parlow, E. and Vogt, R, 2001: Momentum transport in and above a forest at a steep slope. MAP Newsletter 15. 160-163.
  • van Gorsel E, Christen A and Vogt, R, 2001: Turbulenzstruktur über Flächen unterschiedlicher Rauhigkeit und Komplexität. DACH Meteorologentagung, Wien, 18.-21.September.
  • van Gorsel E, Christen A, Feigenwinter C, Vogt, R. and Parlow, E, 2001: Turbulent transport processes in and above a forest at a steep slope II. AK Klima, Delémont, 23.-25.November 
  • Vogt R, Christen A, Feigenwinter C, van Gorsel E and Parlow E, 2001: Mikrometeorologie in komplexer Topographie - Ergebnisse aus dem MAP-Riviera. AK Klima, Delémont, 23.-25.November 

2000

  • Andretta M, Zimmermann S, Rotach MW, Christen A and Vogt R, 2000: Investigation of the near-surface boundary layer in an Alpine valley. Map Newsletter 13, Proceedings of the MAP meeting in Bohinjska Bistrica.
  • Calanca P, Rotach MW, Andretta M, Weiss A, Vogt R, van Gorsel E and Christen A, 2000: The turbulence structure in an alpine valley. 14th symposium on boundary layer and turbulence, Aspen CO. 384-385.
  • Christen A, van Gorsel E, Andretta M, Calanca P, Rotach MW and Vogt R, 2000: Intercomparison of ultrasonic anemometers during the MAP-Riviera project. 9th conference on mountain meteorology, Aspen CO. 130-131. → Extended Abstract (0.1 MB).
  • van Gorsel E, Christen A, Parlow E. and Vogt R, 2000: Micrometeorological measurements at an alpine slope. 14th symposium on boundary layer and turbulence, Aspen CO. 386-387.
  • Vogt R, Christen A, Feigenwinter C, van Gorsel E, Parlow E, Pitacco A, 2000: Coupling of turbulence in and above a forest at a steep slope during nighttime. 24th conference on agricultural and forest meteorology, Davis, CA.

Theses

  • Christen A, 2005: 'Atmospheric turbulence and surface energy exchange in urban environments'. PhD-Thesis in Meteorology. Institute of Meteorology, Climatology and Remote Sensing University of Basel. → Full-Text
  • Christen A, 2000: 'Turbulence structure of the nocturnal boundary layer at a steep alpine slope'. Diploma Thesis in Geography. University of Basel

Technical reports and non-peer reviewed contributions

  • Giometto MG, Christen A, Meneveau C, Fang J, Parlange M, 2016: 'Large-eddy simulations to characterize the role of turbulent and dispersive production, transport and dissipation of TKE over and within a realistic urban canopy'. IAUC Newsletter Issue 58, December 2015, p. 19-23. → Full-Text
  • Christen A, Nesic Z, 2015: 'Calibration, pressure and temperature sensitivity of Vaisala GMM 220A CO2 sensors'. IAUC Newsletter Technical Report of the University of British Columbia. October 21 2015 → Full-Text
  • Christen A, Jassal R, Black A.T, Grant N, Hawthorne I, Johnson M, Ketler R, Lee S-C, Merkens M, Moore R.D, Nesic Z, Schmid K., Stevenson A., Wang Y., 2014: 'Quantifying summertime greenhouse gases fluxes from soils in various stages of restoration in the Burns Bog Ecological Conservancy Area'. Scientific report prepared for the Planning, Policy and Environment Department of Metro Vancouver. Dec 2014, 64pp. → Full-Text
  • Adderley C, Christen A, 2014: 'Evaluation of the performance of vegetative buffers for emission reduction of particulate matter from poultry facilities'. Technical Report prepared for the BC Ministry of Agriculture. Oct 2014, 114pp. → Full-Text
  • Semmens CI, Ketler R, Schwendenmann L, Nesic Z, Christen A, 2014: 'Isotopic composition of CO2 in gasoline, diesel and natural gas combustion exhaust in Vancouver, BC, Canada'. Technical Report of the University of British Columbia. Sep 2014, 12pp. → Full-Text
  • Krayenhoff SE, Christen A, Martilli A, Oke TR, 2013: 'A multi-layer radiation model for urban neighbourhoods with trees'. IAUC Newsletter Issue 47, March 2013, p. 7-11. → Full-Text
  • Christen A, Oke TR, Grimmond CSB, Steyn D.G, Roth M, 2013: '35 years of urban climate research at the Vancouver-Sunset flux tower', Invited article in FluxLetter - Newsletter of Fluxnet, Vol. 5 (2). → Full-Text
  • Grimmond CSB, Christen A, 2012: 'Flux measurements in urban ecosystems', FluxLetter - Newsletter of Fluxnet, Vol. 5 (1), p. 1-7. → Full-Text
  • Pauls D, Christen A, 2011: 'Simulating the effect of adding vegetative buffers around poultry barns on mean wind and concentrations of PM10'. Technical report by the University of British Columbia, prepared for the Pacific Agri-Food Research Centre, Agri-Food Canada, Nov. 2011, 27pp → Full-Text.
  • van der Laan M, Tooke R, Christen A, Coops N, Heyman E, Olchovski I, 2011: 'Statistics on the built infrastructure at the Vancouver EPiCC experimental sites'. EPiCC Technical Report No. 4, 30pp. → Full-Text.
  • Hayn M, Christen A, 2011: 'Historic land cover at the Vancouver EPiCC experimental sites'. EPiCC Technical Report No. 6, 6pp. → Full-Text.
  • Christen, A, Coops N, Kellett R, Crawford BR, Heyman E, Olchovski I, Tooke R, van der Laan M, 2010: 'A LiDAR-Based Urban Metabolism Approach to Neighbourhood Scale Energy and Carbon Emissions Modelling'. University of British Columbia, 2010 Technical report prepared for Natural Resources Canada, 104pp. → Full-Text.
  • Liss K, Tooke R, Coops N, Christen A,, 2010: 'Vegetation Characteristics at the Vancouver EPiCC experimental sites'. EPiCC Technical Report No. 3, 38pp. → Full-Text.
  • Christen A, Crawford, B, Liss K, Siemens C, 2010: 'Soil properties at the Vancouver EPiCC experimental sites'. EPiCC Technical Report No. 2, 28pp. → Full-Text.
  • Christen A, Grimmond S, Pardyjak E, Roth M, 2009: The IAUC Urban Flux Network - A new database and mailing list to share information about micrometeorological tower sites in urban environments'. Urban Climate News, Quarterly Newsletter of the International Association for Urban Climate Jun. 2009, p. 31-32.
  • Crawford BR, Christen, A, Ketler R, 2009: 'Processing and quality control procedures'. EPiCC Technical Report No. 1, 11pp. → Full-Text.
  • Voogt, J.A, Oke, T.R, Belair, S, Benjamin, M, Christen, A, Coops, N, Grimmond, CSB, Lemonsu, A, Mailhot, J, Masson, V, McKendry, I, Strachan, I, Wang, J, 2008: 'The Environmental Prediction in Canadian Cities (EPiCC) Network'. Urban Climate News, Quarterly Newsletter of the International Association for Urban Climate, Mar. 2008, p. 14-16.
  • Christen A, Vogt R, 2005: 'Hoch hinaus - ein 3D Stadtmodell in meteorologischen Anwendungen'. Geomatik Schweiz 6/2005. 360-361.
  • Christen A, Vogt R, 2005: Quality Control and Corrections of the Radiation Measurements at the BUBBLE-Surface Sites. Stratus Technical Report / Arbeitsbericht 003, ISSN 1661-3228, 18pp.
  • Christen A, Lehner I, 2005: Dokumentation der Datenbank mit Meteo- und Klimadatenreihen der Region Basel. Stratus Technical Report / Arbeitsbericht 004, ISSN 1661-3228, 26pp.
  • Vogt R, Christen A, Lehner I. van Gorsel E, 2005: Energy Balance Expreiment EBEX 2000. Contributions of the University of Basel - Data Report. Stratus Technical Report / Arbeitsbericht 002, ISSN 1661-3228, 9pp.

Dissertations and M.Sc. theses supervised

  • Adderley CD, 2012: 'The effect of preferential view direction on measured surface temperature'. MSc Thesis in Geography, University of British Columbia. → Full-Text
  • Cassidy AE, 2016: 'The impacts of High Arctic permafrost disturbances on vegetation and carbon flux dynamics'. PhD Thesis in Geography, University of British Columbia.
  • Crawford BR, 2014: 'Measurements of carbon dioxide fluxes and concentrations at multiple scales in Vancouver, Canada'. PhD Thesis in Geography, University of British Columbia. → Full-Text
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