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Helmholtz Research School
Mechanisms and Interactions of Climate Change in Mountain Regions

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Visiting Scientists

Each year, MICMoR invites and partially funds an internationally known expert in Climate Change research for a sabbatical of up to 6 months. MICMoR Visiting Scientists work in residence at KIT/IMK-IFU, Garmisch-Partenkirchen, or at one of the partner institutions. They advance their research and generally interact with the MICMoR Community, i.e. prepare and co-teach courses within the MICMoR Graduate Program (e.g. Summer Schools, Technical Short Courses, Spitzenforscherwerkstatt), discuss dissertation projects and work with MICMoR Fellows on a hands-on basis.

Suggestions or applications for MICMoR Visiting Scientists should be directed to the MICMoR Coordination Office and should include:

  1. a motivation letter stating the interest to become a MICMoR Visiting Scientist and how the scientist fits within the MICMoR research framework
  2. a full CV with publications and teaching experience
  3. an outline of potential courses within the MICMoR Research School
  4. an intended time frame for the scientist's stay at KIT/IMK-IFU or the partner institution


MICMoR Visiting Scientist in 2017:
Prof. Gabriel Katul, Ph.D. 

Theodore S. Coile Distinguished Professor of Hydrology and Micrometeorology,
Duke University, Nicholas School of the Environment,
Durham, North Carolina, USA
Research Interests:
  • Fluid mechanics and transport phenomena in natural systems
  • Turbulence within canopies, mass, energy
  • Momentum transfer from and within vegetated surfaces
  • Surface hydrology
  • Soil physics
Academic Education:
1993: Ph.D. University of California, Davis; Department of Civil and Environmental Engineering.
          Major: Hydrology; Minor: Environmental Fluid Mechanics.
1990: M.S. Oregon State University; Department of Civil and Environmental Engineering,
          Major: Water Resources; Minor: Hydraulic Engineering.
1988: B.E. American University of Beirut; School of Civil Engineering and Archictecture.
          Major: Civil Engineering; emphasis: Structural Engineering
Prof. Gabriel Katul will be MICMoR Visiting Scientist 2017 at KIT/IMK-IFU from June to October 2017. He will be the main responsible lecturer of the MICMoR Summer School 2017 on "Transport phenomena and the limits of life in the biosphere" from 9-18 August 2017.

MICMoR Visiting Scientist in 2016:

Gretchen Gettel, Ph.D. 

Senior Lecturer in Aquatic Biogeochemistry
Department of Water Science and Engineering,
UNESCO-IHE Institute for Water Education,
Delft, The Netherlands
Research Interests:
  • Role of aquatic ecosystems in nitrogen and carbon processing at catchment scales;
  • Controls of denitrification and nitrogen fixation in lakes and wetlands;
  • The role of reservoirs in controlling nutrient stoichiometry of riverine export;
  • Effects of agricultural intensification on wetland biogeochemistry and nutrient retention, especially in Sub-Saharan Africa
Academic Education:
2005-2008: University of New Hampshire, Postdoc
2006: Cornell University, PhD, Biogeochemistry
1998: University of Minnesota, MSc, Water Resources
1993: Boston University, B.A., Biology with specialization in Marine Science
Dr. Gretchen Gettel was the MICMoR Visiting Scientist 2016 at KIT/IMK-IFU from April to October 2016. She was the main responsible lecturer of the MICMoR Summer School 2016 “Biogeochemical processes at the terrestrial-aquatic interface”, which took place from 3-12 August 2016. 
MICMoR Visiting Scientist in 2015:

Prof. Gil Bohrer, Ph.D.

Associate Professor for Ecological Engineering
Department of Civil, Environmental and Geodetic Engineering,

The Ohio State University, Columbus, OH, USA
Research interests: 
  • Develops physical and empirical models of the interactions between individual biological organisms and atmospheric and hydrological processes.
  • Develops new approaches to parameterization of the effects of small-scale heterogeneity on surface fluxes, on water movement from the soil through plants to the air, and on advection and dispersion of VOCs and particulate matter
  • Uses a range of models from high-power parallel large eddy simulations to simple empirical models
  • Runs meteorological and eddy-flux observations in forests and wetlands to provide the needed information to force, parameterize and evaluate models of green-house gas budgets of ecosystems and the effects of small-scale heterogeneity and intermediate disturbance on these fluxes
Academic Education:
2007-2008: Harvard University Center for the Environment, Postdoc
2007: Duke University, Ph.D., Civil & Environmental Engineering
2001: Ben Gurion University, Israel, M.Sc., Ecology
1998: Ben Gurion University, Israel, B. Sc., Life Sciences
Link: Gil Bohrer's Homepage
Prof. Gil Bohrer was the MICMoR Visiting Scientist 2015 at KIT/IMK-IFU from June to November 2015. He was the main responsible lecturer of the MICMoR Summer School 2015 on “Modeling of Land-Surface xand Atmosphere Processes” from 16 to 27 August 2015.


MICMoR Visiting Scientist in 2014:
Prof. Ankur Desai, Ph.D.

Department of Atmospheric and Oceanic Sciences,
University of Wisconsin, Madison, USA

Research Interests:
  • Regional and global carbon cycling and biogeochemistry
  • Upscaling and downscaling land-atmosphere exchange observations and models in complex terrain and heterogenous regions
  • Eddy covariance flux measurements, land surface remote sensing, and ecosystem experiments for biosphere-atmosphere exchange
  • Role of surface forcing on atmospheric boundary layer dynamics
  • Feedbacks between climate change and terrestrial ecosystems
  • Ecosystem and climate model development, evaluation, and data assimilation
Academic Education:
2006: The Pennsylvania State University, PhD, Meteorology
2000: University of Minnesota, MA, Geography
1997: Oberlin College, BA, Computer Science and Environmental Studies

Link: Ankur Desai's Homepage -

MICMoR Visiting Scientist in 2013:
Prof. Stuart Bradley, Ph.D.

Department of Physics,
University of Auckland, New Zealand

Research Interests:
  • Acoustic remote sensing of atmospheric properties and of the structure of inhomogeneous materials
  • Atmospheric turbulent boundary layer dynamics and thermodynamics
  • Interaction of sound with turbulent fields
  • Urban canopy and boundary layer processes
  • Understanding of wind and turbulence for wind energy applications
  • Outdoor sound propagation
Academic Education:
1975: University of Auckland, PhD, Physics
1970: University of Auckland, MSc (1st), Physics
1969: University of Auckland, BSc, Physics
Prof. Stuart Bradley was a MICMoR Visiting Scientist at IMK-IFU from September till November 2013.
He gave the MICMoR Summer School on “Observations and experimental methods in an Inhomogeneous atmosphere: How to make sense of the atmosphere in mountainous regions (September 17-26, 2013, IMK-IFU).
MICMoR Visiting Scientist in 2012:
David J. Gochis, Ph.D.
Senior Scientist
Hydrometeorology Applications Program (HAP),
NCAR (National Center for Atmospheric Research),
Boulder, CO, USA
Research Interests:
Hydrometeorology, hydroclimatology, rainfall-runoff processes,
terrain-induced convection, land-atmosphere interactions,
hydrometeorological model development and testing,
field research in hydro-meteorology
Academic Education:
2002: Ph.D. in Hydrology and Water Resources, University of Arizona, Tucson, Arizona, USA,
           Dissertation title: “Modeled sensitivities of the North American Monsoon
1998: M.S. in Bioresources Engineering, Oregon State University, Corvallis, Oregon, USA
1994: B.S. in Atmospheric Sciences, University of Kansas, Lawrence, Kansas, USA
Homepage of David Gochis;
Article on David Gochis at NCAR News
Dr. David Gochis was a MICMoR Visiting Scientist at IMK-IFU in July 2012.
He gave the MICMoR Summer School on “Theory and practice in regional modelling - hydroclimatic analysis and prediction (July 10-18, 2012, IMK-IFU).