1. Standardfoliensatz-Englisch >26.04.2006 Folie 1 My Work at the German Aerospace Center pl: Niemieckie Centrum Badań Lotniczych i Kosmicznych de: D eutsches Zentrum für Luft- und Raumfahrt (DLR) Arthur Schady

2. Standardfoliensatz-Englisch > 20.04.2006 Folie 2 Mission of DLR To open up new dimensions for exploring the earth and the universe, for protecting the environment and for promoting mobility, communication and security: Research portfolio ranging from basic research to innovative applications and the products of tomorrow Operating large-scale research facilities for DLR’s own projects and as a service provider for its clients and partners Promoting the next generation of scientists

3. Standardfoliensatz-Englisch > 20.04.2006 Folie 3 European networking Success in obtaining program funding from the European Union Core formation in Europe for clearly defined strengthening of technical expertise and competitiveness Expand the ability to determine the direction taken at European level

4. Standardfoliensatz-Englisch > 20.04.2006 Folie 4 International networking Orienting bilateral cooperation Multilateral cooperation in determining the framework and marketing of DLR products Further developing instruments of international cooperation

5. Standardfoliensatz-Englisch >26.04.2006 Folie 5 Aeronautics

6. Standardfoliensatz-Englisch >26.04.2006 Folie 6 Space

7. Standardfoliensatz-Englisch >26.04.2006 Folie 7 Transport

8. Standardfoliensatz-Englisch >26.04.2006 Folie 8 Energy

9. Standardfoliensatz-Englisch > 20.04.2006 Folie 9 Transport Resolving issues related to mobility, influencing and coping with the increase in transport Energy saving, reducing pollutants that affect the climate and are harmful to the health and lowering noise emissions Accident prevention, reducing the risks to people from accidents

10. Standardfoliensatz-Englisch > 20.04.2006 Folie 10 Visiting Scientist at DLR in Oberpfaffenhofen since 1.May 2006 My working fields: NO2 related Data Analysis (http://www.pa.op.dlr.de/troccinox/) Acoustic Modeling (http://www.pa.op.dlr.de/acoustics/)

11. Standardfoliensatz-Englisch > 20.04.2006 Folie 11 NO2 related Data Analysis (TROCCINOX) Satellite Data (SCIAMACHY) Model Data (TM4) Emission Data (EDGAR, MESSy, GEIA,…) Deposition Data Lightning Data (LIS/OTD) Number of Data sets: 6+2+6+1+9 = 24 Number of different formats: 9 Number of produced images: 724 - 981

12. Standardfoliensatz-Englisch > 20.04.2006 Folie 12 NO2 related Data Analysis Satellite Data (SCIAMACHY) http://www.iup.physik.uni-bremen.de/sciamachy/ Observation of the Earth: Vertical Column of NO2 at 10:30 LT FORMAT: ASCII Dimensions: IM=440, JM=400, time=28 and 31 days, cloudy, clear Unit: molecules / cm² FORTRAN : preparing data for model comparison (grid average)

13. Standardfoliensatz-Englisch > 20.04.2006 Folie 13 NO2 related Data Analysis Satellite Data (SCIAMACHY) http://www.iup.physik.uni-bremen.de/sciamachy/

14. Standardfoliensatz-Englisch > 20.04.2006 Folie 14 NO2 related Data Analysis Model Data (TM4) http://www.knmi.nl/~velthove/tm.html Simulation of LNOx with different source rates 2Tg and 5Tg FORMAT: netCDF Dimensions: IM=120, JM=90, KM=30, time=28 and 30 days Unit: molecules / cm³ FORTRAN/CDO: vertical integration of 3D field; calculation of tropospherical NO2 4

15. Standardfoliensatz-Englisch > 20.04.2006 Folie 15 NO2 related Data Analysis Model Data (TM4) http://www.knmi.nl/~velthove/tm.html 4

16. Standardfoliensatz-Englisch > 20.04.2006 Folie 16 NO2 related Data Analysis Emission Data (EDGAR, MESSy, GEIA,…) http://www.mnp.nl/edgar/ http://www.messy-interface.org/ http://www.geiacenter.org/ http://www.mnp.nl/edgar/http://www.messy-interface.org/ http://www.geiacenter.org/ Analysis of different sources FORMATS: ASCII; netCDF; binary Dimensions: IM=360, JM=180, time= different years source categories (7 / 23) Unit: molecules / cm²/s …. FORTRAN/CDO: integration of the fields; time series …

17. Standardfoliensatz-Englisch > 20.04.2006 Folie 17 NO2 related Data Analysis Emission Data (EDGAR, MESSy, GEIA,…)

18. Standardfoliensatz-Englisch > 20.04.2006 Folie 18 NO2 related Data Analysis Deposition Data http://www-eosdis.ornl.gov/cgi-bin/dataset_lister.pl?p=5 Global Maps of Atmospheric Nitrogen Deposition, 1860, 1993, and 2050 Dentener, F. J. 2006. Global Maps of Atmospheric Nitrogen Deposition, 1860, 1993, and 2050. Data set. Available on-line [http://daac.ornl.gov/] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. Galloway, J. N., F. J. Dentener, D. G. Capone, E. W. Boyer, R. W. Howarth, S. P. Seitzinger, G. P. Asner, C. Cleveland, P. Green, E. Holland, D. M. Karl, A. F. Michaels, J. H. Porter, A. Townsend, and C. Vörösmarty. 2004. Nitrogen Cycles:ast, Present and Future. Biogeochemistry 70: 153-226.

19. Standardfoliensatz-Englisch > 20.04.2006 Folie 19 NO2 related Data Analysis Deposition Data Global Maps of Atmospheric Nitrogen Deposition, 1860, 1993, and 2050

20. Standardfoliensatz-Englisch > 20.04.2006 Folie 20 NO2 related Data Analysis Lightning Data (LIS/OTD) http://ghrc.msfc.nasa.gov/ http://thunder.nsstc.nasa.gov/ LISOTD_HRFC_v1.0.hdf LISOTD_HRMC_V2.2.hdf LISOTD_LRACTS_v0.1.hdf LISOTD_LRADC_V2.2.hdf LISOTD_LRDC_v1.0.hdf LISOTD_LRDC_V2.2.hdf LISOTD_LRTS_V2.2.hdf LISOTD_LRMTS_V2.2.hdf OTD (Optical Transient Detector) + LIS (Lightning Imaging Sensor) FORMAT: HDF Dimensions: IM=720, JM=360, time= OTD-only window (5/95-11/97), the overlap window (12/97-4/00) and the LISonly window (12/97-present) Unit: flashes/s or flashes /km²/day IDL / FORTRAN : calculation for selected, regions, time

21. Standardfoliensatz-Englisch > 20.04.2006 Folie 21 NO2 related Data Analysis Lightning Data (LIS/OTD)

22. Standardfoliensatz-Englisch > 20.04.2006 Folie 22 A380/A747 flights on 20 July and 23 August 2006 - noise measurements -

23. Standardfoliensatz-Englisch > 20.04.2006 Folie 23 source Wave front Wave lenght Sound ray Pressure amplitude Longitudinal Pressure oscillation = wave oscillation direction is parallel to propagation direction From :www.bayern.de/lfu/laerm/l-ausst/laerm3.htm impulse → pressure oscillation - no flow Acoustics: sound waves

24. Standardfoliensatz-Englisch > 20.04.2006 Folie 24 Acoustics: Sound waves physical valuesymbolunitformula frequencyf = 1/THz = 1/sf = c / λ wavelengthλmλ = c / f time period or cycle duration T = 1/fsT = λ / c wave speedcm/sc = λ × f

25. Standardfoliensatz-Englisch > 20.04.2006 Folie 25 Acoustics: Sound waves Diffraction Attenuation sound amplitude decreas Reflection Refraction

26. Standardfoliensatz-Englisch > 20.04.2006 Folie 26 Acoustics: Sound propagation in the atmosphere

27. Standardfoliensatz-Englisch > 20.04.2006 Folie 27 temperature wind turbulence topography sound field refraction absorption reflexion diffraction shadowing effects energy momentum mass scattering humidity Acoustics: Sound propagation in the atmosphere

28. Standardfoliensatz-Englisch > 20.04.2006 Folie 28 Acoustics: Sound propagation model Aku3D (Heimann & Blumrich)

29. Standardfoliensatz-Englisch > 20.04.2006 Folie 29 Screenshot of my working place