Major Research Projects carried out

Sept 2015- Aug 2018: Atmospheric Carbon and Transport (ACT)-America Project at the Pennsylvania State University with NASA-LaRC: Understanding the terrestrial carbon cycle using ground-based, airborne and satellite measurements along with 3-dimensional model simulations.

Feb 2013- Oct 2015: MATERHORN project: Investigation of boundary layer dynamics in complex mountainous region in a semi-arid region of the Western US.

Jul 2013- Oct 2015: Aircraft measurements of convective boundary layer turbulence features over a mountainous region near Utah, US within MATERHORN project.

Feb 2013- Aug 2015: An Observational and Numerical Study of Multi-scale Transport and Mixing Processes in the Convective Boundary Layer over Mountains.

Feb 2013- Aug 2015: Trace gas variability at a mountain site in Shenandoah National Park (Pinnacle ridge top): Investigation of the effect of boundary layer dynamics and up-slope-down-slope flows.

Feb 2013- Dec 2014: Representivity of tower-based nocturnal wind measurements and dispersion of pollutants near a planned mining site near Chatham in Virginia.

Feb 2013- Aug 2015: Diurnal patterns of aerosol concentration variability in a valley: Effect of up-valley-down-valley transitions and early morning and evening transitions on aerosol concentrations.

Feb 2012- Feb 2013: ICOS-France (Integrated Carbon Observing System) project: Development of a semi-autonomous data analysis tool for the retrieval of atmospheric boundary layer top height with the ground-based single wavelength aerosol lidar and ceilometer measurements and near-surface meteorological observations.

Feb 2012- Feb 2013: Contribution to ACTRIS (Aerosols, Clouds, and Trace gases Research Infra Structure Network)

Jan 2011- Feb 2013: InGOS (Integrated non-CO2 Observing System) Project: Comparison of simulated and observed boundary layer mixing height

November 2010 – Jan 2012: CO2-MEGAPARIS project. Quantification of the emission of the CO2 over the region Ile-de-France with centre Paris region. Link: http://co2-megaparis.cabanova.fr/#/objectifs.

November 2008 – April 2010: Priority Program SPP 1167 of the German Science Foundation (DFG): Quantitative Precipitation Forecast. Title of the project: Exploiting the synergy of COPS remote sensing data to analyse convection initiation (CI) processes. Link: http://www.meteo.uni-bonn.de/projekte/SPPMeteo

March 2004 – October 2007: BW-PLUS (Baden-Württemberg Programm Lebensgrundlage Umwelt und ihre Sicherung) Project: Aerosol emission from livestock farming, funded by the Ministry of Environment and Transport of the State of Baden-Württemberg, Germany. Details: By a novel approach, the physical and chemical aerosol properties are determined by means of spatially and temporally high resolution lidar measurements in combination with numerical simulations of aerosol optical properties with a high-resolution microphysics-chemistry-transport model. Link: http://bwplus.fzk.de/

March 2007- April 2010: Development and application of a scanning water vapor DIAL (DIfferential Absorption Lidar) reference system funded by German Science Foundation (DFG). Key contribution: Software development for the analyses of DIAL data sets collected during two different field campaigns; consequently interpretation of the data to publish in conferences and in peer-reviewed articles. Link: https://www120.uni-hohenheim.de/64922.html

August 2009 - April 2010: Transregional Collaborative Research Centre 32 (TR32). Theme: Patterns in Soil-Vegetation-Atmosphere Systems: Monitoring, Modelling and Data Assimilation. Major contribution: Participation in the field campaign. Collection and analyses of University of Hohenheim scanning DIAL data. Link: http://www.meteo.uni-bonn.de/projekte/tr32-wiki/doku.php

March 2005 – March 2007: Convective Storms Virtual Institute (COSI TRACKS). COSITRACKS is a contribution to TRACKS (Transport and Chemical Conversion in Convective Systems) – an initiative of six Helmholtz-CentersStart of the project. Key contribution to the development of scanning rotational Raman lidar system. Link: https://www120.uni-hohenheim.de/64919.html#c21893

March 2009 – December 2009: Integrated DFG Project "Regional Climate Change": High-resolution probabilistic regional climate projections with emphasis on the interaction between farmland and atmosphere. Key activity: Development of software tools in IDL to analyse the Eddy Covariance data sets. Collaboration with Dr. Wizemann. Link: https://klimawandel.uni-hohenheim.de/65960.html?&L=1