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Dr. Falk, Ulrike

IMCOAST, Kinnvika, BIOTA West

Research interests:
  • micrometeorology
  • climate change
  • land use change in the tropics
  • glacier surface mass and energy balance
  • glacier dynamics
  • hydrological applications of remote sensing
Study Areas:
  • West Africa
  • Antarctic Peninsula & King George Island
  • Indonesia
Background:
  • since 2010 Senior Researcher, Center for Remote Sensing of Land Surfaces, Univ. Bonn
  • 2006/2010 Senior Researcher, Center for Development Research (ZEF), Univ. Bonn, Project Leader Climatology BIOTA West
  • 2005/2006 Product Manager Data Communication and Grid Inverters of gridconnected Photovoltaik Systems, Wagner&Co Solartechnics, Cölbe, Germany
  • 2003/2004 Research Associate, Oregon State Univ., USA, with the AmeriFlux QA/QC group
  • 2004 PhD "Turbulent fluxes of carbon dioxide and energy above tropical vegetation investigated by Eddy Covariance Measurements"
  • 1999/2003 Scientific Associate, Univ. Göttingen
  • 1999 Diplom Physics "Determination of Energy Fluxes above Greenland using Variational Analysis Methods, and their Linking to the Katabatic Wind system"
  • 1991/1999 Study of Physics, Univ. Bonn
Current projects: IMCOAST, Kinnvika, BIOTA West
Recent publications (excerpt):
  • Sjöström, M., M. Zhao, S. Archibald, A. Arneth, B. Cappelaere, U. Falk, A. de Grandcourt, N. Hanan, L. Kergoat, W. Kutsch, L. Merbold, E. Mougin, A. Nickless, Y. Nouvellon, R.J. Scholes, E.M. Veenendaal, J. Ardö (2013): Evaluation of MODIS gross primary productivity for Africa using eddy covariance data. Remote Sensing of Environment 131, 275–286.
  • Braun, M., V.A. Pohjola, R. Pettersson, M. Möller, R. Finkelnburg, U. Falk, D. Scherer & C. Schneider (2011): Changes of glacier frontal positions of Vestfonna (Nordaustlandet, Svalbard). - Geografiska Annaler: Series A, Physical Geography, doi:10.1111/j.1468-0459.2011.00437.x .
  • Falk, U. and J. Szarzynski (2010): Sub-Saharan West Africa climate and precipitation regime. In: Konaté S. & Kampmann D. (eds.). 2010: Biodiversity Atlas of West Africa, Volume I-III: Benin, Burkina Faso, Côte d'Ivoire. Abidjan & Frankfurt/Main. S. 44-51.
  • Merbold L, Ardö J, Arneth A, Scholes RJ, Nouvellon Y, de Grandcourt A, Archibald S, Bonnefond JM, Boulain N, Brümmer C, Brüggemann N, Cappelaere B, Ceschia E, El-Khidir HAM, El-Tahir BA, Falk U, Lloyd J, Kergoat L, Le Dantec V, Mougin E, Muchinda M, Mukelabai MM, Ramier D, Roupsard O, Timouk F, Veenendaal EM, Kutsch WL (2009): Precipitation as driver of carbon fluxes in 11 African ecosystems. Biogeosciences 6, pp 1027–1041.
  • Conrad, C., U. Falk, J.M. Hendrickx, and S. Dech (2009): Modelling surface energy fluxes based on multi-temporal remote sensing data at different scales. Int. Symposium on Remote Sensing and Environment, 3-8 May 2009, Stresa. Proceedings.
  • Machwitz, M., U. Falk, J. Richters, C. Conrad, and S. Dech (2009): Remote Sensing of Environment Modelling the Carbon Budget at regional scale in West Africa using 250 m MODIS data and ground observations. Int. Symposium on Remote Sensing and Environment, 3-8 May 2009, Stresa. Proceedings.
  • Brümmer, C., U. Falk, H. Papen, J. Szarzynski, R. Wassmann and N. Brüggemann (2008): Diurnal, seasonal and inter-annual variation in carbon dioxide and energy exchange in shrub savanna in Burkina Faso (W. Africa). Journal of Geophysical Research 113, G02030, doi:10.1029/2007JG000583.
  • Brümmer, C., N. Brüggemann, K. Butterbach-Bahl, U. Falk, J. Szarzynski, K. Vielhauer, R. Wassmann and H. Papen (2008): Soil-atmosphere exchange of N2O and NO in near-natural savanna and agricultural land in Burkina Faso (W. Africa). Ecosystems 11, 582–600, doi:10.1007/s10021-008-9144-1.
  • Oltchev, A., A. Ibrom, T. Ross, U. Falk, G. Rakkibu, K. Radler, S. Grote, H. Kreilein and G. Gravenhorst (2008): A modelling approach for simulation of water and carbon dioxide exchange between multi-species tropical rain forest and the atmosphere. Ecol. Modelling 212, pp 122-130.
  • Ibrom, A., A. Oltchev, T. June, T. Ross, H. Kreilein, U. Falk, J. Merklein, A. Twele, G. Rakkibu, S. Grote, A. Rauf and G. Gravenhorst (2007): Effects of land-use change on matter and energy exchange between ecosystems in the rain forest margin and the atmosphere. In The stability of tropical rainforest margins: Linking ecological, economic and social constraints. Eds. T. Tscharntke, C. Leuschner, M. Zeller, E. Guhardja and A. Bidin, Springer Verlag, Berlin, pp. 463 – 492.
  • Rodgers, C., W. Laube and U. Falk (2007): Alternative Irrigation Development Paths in an Uncertain Climate: Farmer-Initiated Irrigation Development in Northern Ghana. Proc. Third International Conference on Climate and Water, Helsinki, pp 398-403.
  • Ibrom, A., A. Oltchev, T. June, T. Ross, H. Kreilein, U. Falk, J. Merklein, A. Twele, G. Rakkibu, S. Grote, A. Rauf, and G. Gravenhorst (2007): Effects of land-use change on matter and energy exchang between ecosystem the rain forest margin and the atmosphere. Tscharntke, T, Leuschner C, Zeller M, Guhardja E, Bidin A (eds), The stability of tropical rainforest margins, linking ecological, economic and social constraints of land use and conservation, Springer Verlag Berlin, pp 463-492.
  • Falk, U., A. Ibrom, A. Oltchev, H. Kreilein, T. June, A. Rauf, J. Merklein, and G. Gravenhorst (2005): Energy and water fluxes above a cacao agroforestry system in Central Sulawesi, Indonesia, indicate effects of land use change on local climate. Meteorol. Zeitschrift 14/2 pp 219-225.
  • Falk, U., Ibrom, A., Kreilein, H., Oltchev, A. and Gravenhorst, G. (2003): Auswirkung von Landnutzungsänderung auf Energie- und Wasserflüsse zwischen Atmosphäre und tropischer Vegetation in Zentralsulawesi, Indonesien. Tharandter Klimaprotokolle, 5. BIOMET-Tagung/Mensch-Pflanze-Atmosphäre; Band 9; pp 201-202.
  • Heinemann, G. and U. Falk (2001): Surface Winds and Energy Fluxes Near the Greenland Ice Margin Under Conditions of Katabatic Winds. Polarforschung, Vol. 71 (1 / 2), pp 15-31.
 

 

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