Career

2007 - pres. Senior lecturer, Swansea University

2004 - 2007 Research associate, INFRAS, Consulting , Policy Analysis and Research, Berne, Switzerland

2004 - 2007 Postdoctoral fellow, Institute for Atmospheric and Climate Science, ETH Zurich, Switzerland

2002 - 2004 Postdoctoral fellow, Biometeorology Group, Faculty of Agricultural Sciences, University of British Columbia, Vancouver, Canada

Research Interests

Footprint/source-area modelling based on a backward Lagrangian particle dispersion model to determine the upwind surface area of influence for an atmospheric flux or concentration measurement.Online footprint estimate: Calculate a footprint using a simple parameterisation.

Forest - atmosphere CO₂ exchange: processes controlling and influencing the carbon balance of forests.

Boundary layer meteorology: regional atmospheric fluxes over inhomogeneous surfaces.

Refereed Journal Publications

Chasmer, L., N. Kljun, C. Hopkinson, S. Brown, T. Milne, K. Giroux, A.G. Barr, K. Devito, R. Petrone, 2011: Characterizing vegetation structural and topographic characteristics sampled by eddy covariance within two mature aspen stands using LiDAR and a flux footprint model: Scaling to MODIS. Journal of Geophysical Research - Biogeosciences, 116, G02026.

Hiller, R.V., J.P. McFadden, N. Kljun, 2011: Interpreting CO2 Fluxes Over a Suburban Lawn: The Influence of Traffic Emissions. Boundary-Layer Meteorology, 138, 215–230.

Markkanen, T., G. Steinfeld, N. Kljun, S. Raasch, T. Foken, 2010:  A Numerical Case Study on Footprint Model Performance under Inhomogeneous Flow Conditions, Meteorologische Zeitschrift, 19, 539-547.

Hilker, T., F.G. Hall, N.C. Coops, A. Lyapustin, Y. Wang, N. Grant, Z. Nesic, T.A. Black, N. Kljun, L. Chasmer, C. Hopkinson, 2010: Remote Sensing of Photosynthetic Light Use Efficiency Across two Forested Biomes: Spatial Scaling. Remote Sensing of Environment, 114, 2863-2874.

Markkanen, T., G. Steinfeld, N. Kljun, S. Raasch, T. Foken, 2009:  Validation of Conventional Lagrangian Stochastic Footprint Models against LES Driven Footprint Estimates. Atmospheric Chemistry and Physics, 9, 5575-5586.

Barcza, Z., A. Kern, L. Haszpra, N. Kljun, 2009: Spatial Representativeness of Tall Tower Eddy Covariance Measurements Using Remote Sensing and Footprint Analysis. Agricultural and Forest Meteorology, 149, 795-807.

Chasmer, L., N. Kljun, A.G. Barr, T.A. Black, C. Hopkinson, J.H. McCaughey, P. Treitz, 2008: Vegetation Structural and Elevation Influences on CO2 Uptake within a Mature Jack Pine Forest in Saskatchewan, Canada. Canadian Journal of Forest Research, 38, 2746-2761. 

Vesala, T., N. Kljun, Ü. Rannik, J. Rinne, A. Sogachev, T. Markkanen, K. Sabelfeld, Th. Foken, M.Y. Leclerc, 2008: Flux and Concentration Footprint Modelling: State of the Art. Environmental Pollution 152, 653-666. 

Barr, A.G., T.A. Black, E.H. Hogg, T.J. Griffis, K. Morgenstern, N. Kljun, A. Theede, Z. Nesic, 2007: Climatic Controls on the Carbon and Water Balances of a Boreal Aspen Forest, 1994-2003. Global Change Biology 13, 561-576.

Griffis, T.J., J. Zhang, J.M. Baker, N. Kljun, K. Billmark, 2007: Determining Carbon Isotope Signatures from Micrometeorological Measurements: Implications for Studying Biosphere-Atmosphere Exchange Processes. Boundary-Layer Meteorology 123, 295-316.

Kljun, N., T.A. Black, T.J. Griffis, A.G. Barr, D. Gaumont-Guay, K. Morgenstern, J.H. McCaughey, Z. Nesic, 2007: Response of Net Ecosystem Productivity of Three Boreal Forest Stands to Drought. Ecosystems 10, 1039-1055.

Amiro, B.D., A.G. Barr, T.A. Black, H. Iwashita, N. Kljun, J.H. McCaughey, S. Murayama, Z. Nesic, A.L. Orchansky, 2006: Carbon, Energy and Water Fluxes at Mature and Disturbed Forest Sites, Saskatchewan, Canada. Agricultural and Forest Meteorology 136, 237-251.

Bernier, P.Y., P. Bartlett, T.A. Black, A. Barr, N. Kljun, H. McCaughey, 2006: Drought Constraints on Transpiration and Canopy Conductance in Mature Aspen and Jack Pine Stands. Agricultural and Forest Meteorology 140, 64-78.

Grant, R.F., T.A. Black, D. Gaumont-Guay, N. Kljun, A.G. Barr, K. Morgenstern, Z. Nesic, 2006: Net Ecosystem Productivity of Boreal Aspen Forests under Drought and Climate Change: Mathematical Modelling with ecosys. Agricultural and Forest Meteorology 140, 152-170.

Ponton, S., L.B. Flanagan, K.P. Alstad, B.G. Johnson, K. Morgenstern, N. Kljun, T.A. Black, A.G. Barr, 2006: Comparison of Ecosystem Water-use Efficiency among Douglas Fir Forest, Aspen Forest and Grassland Using Eddy Covariance and Carbon Isotope Techniques. Global Change Biology 12, 294-310.

Barr, A.G., T.A. Black, E.H. Hogg, N. Kljun, K. Morgenstern, Z. Nesic, 2004: Interannual Variability in the Leaf Area Index of a Boreal Aspen-Hazelnut Forest in Relation to Net Ecosystem Production. Agricultural and Forest Meteorology 126, 237-255.

Griffis, T.J., T.A. Black, D. Gaumont-Guay, G.B. Drewitt, Z. Nesic, A.G. Barr, K. Morgenstern, N. Kljun, 2004: Seasonal Variation and Partitioning of Ecosystem Respiration in a Southern Boreal Aspen Forest. Agricultural and Forest Meteorology 125, 207-223.

Kljun, N., P. Calanca, M.W. Rotach, H.P. Schmid, 2004: A Simple Parameterisation for Flux Footprint Predictions. Boundary-Layer Meteorology 112, 503-523.

Kljun, N., P. Kastner-Klein, E. Fedorovich, M.W. Rotach, 2004: Evaluation of a Lagrangian Footprint Model Using Data from a Wind Tunnel Convective Boundary Layer. Special Issue on Footprints of Fluxes and Concentrations, Agricultural and Forest Meteorology 127, 189-201.

Kljun, N., R. Kormann, M.W. Rotach,  F.X. Meixner, 2003: Comparison of the Lagrangian Footprint Model LPDM-B with an Analytical Footprint Model. Boundary-Layer Meteorology 106, 349-355.

Kljun, N., M.W. Rotach, H.P. Schmid, 2002: A 3D Backward Lagrangian Footprint Model for a Wide Range of Boundary Layer Stratifications. Boundary-Layer Meteorology 103, 205-226.

Kljun, N., 2002: Footprint Modelling in the Planetary Boundary Layer. Diss ETH Zurich No. 14482, Switzerland, 88pp.

Kljun, N., M. Sprenger, C. Schär, 2001: Frontal modification and Lee cyclogenesis in the Alps: A case study using the ALPEX reanalysis data set. Meteorol. Atmos. Phys. 78, 89-105.

Books

Vesala, T., N. Kljun, Ü. Rannik, J. Rinne, A. Sogachev, T. Markkanen, K. Sabelfeld, Th. Foken, M.Y. Leclerc, 2010: Flux and Concentration Footprint Modelling: State of the Art. In: Hanrahan, G. (Ed.),  Modelling of Pollutants in Complex Environmental Systems, Volume II, ILM Publications, Hertfordshire, UK, 512 p.

Haszpra, L. (Ed.), 2011: Atmospheric Greenhouse Gases: The Hungarian Perspective , Springer Books, Dordrecht, Heidelberg, London, New York, 2011, 393 p.

Please contact me for re-prints or PDF's! You may also click on the link below and download the files from the publisher.