1. Science question people Input Data instruments What determines the height for warm rain initiation and cloud glaciation?
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1 1. Science question people Input Data instruments What determines the height for warm rain initiation and cloud glaciation? Smaller cloud drops cause colder glaciation temperatures, so factors reducing drop size also elevate glaciation height. Cloud and precipitation probes Updrafts 2. How much latent heat of freezing depends on early rainout? Cloud aerosol invigoration occurs, in part, due to aerosols preventing early rainout of cloud water from reaching the freezing level. Cloud and precipitation probes Updrafts 3. How much supersaturation and unrealized latent heating occurs under various conditions in clouds? Warm cloud un-invigoration might occur due high S as a result of low condensation sinks in raining clouds. HAI, SHARK Cloud probes Updrafts and temperatures 4. What is the relation between the top heights of detrained PBL- originated aerosols and the height for rain initiation? PBL aerosols serve as and detrain as long as cloud drops evaporate instead of coalesce and precipitate. Deeper clouds cause deeper aerosol layer with greater AOD, leading to positive associations between cloud "invigoration" and AOD. Cloud and precipitation probes SP2 CO
2 5. Retrieving from space by using clouds as chambers Mira Satellite retrieved cloud base updrafts and Nd provide S, and thus (S). This requires more validation against observations. from all sources and locations Cloud base updrafts from lidar and aircraft 6. How accurate can we remotely sense cloud vertical profiles of Re and phase by aircraft cloud scanner and satellite? Florian,Jäkel,Kölling (?) Eagle Eye cloud scanner NPP/VIIRS Aircraft cloud probes Cloud scanners can provide useful vertical profiles. Compare satellite to cloud scanner. Validate against aircraft measurements. 7. Production of aerosols in deep convection Andy et al, Joachim 8. Influence of deep convection on particle formation and vert aerosol distribution Fütterer, Joachim 9. Life cycle of aerosol particles, activation transport tranmsformation outflow, polluted-nonpolluted Schneider, Mertes, Weigel, Schlager 10.
3 How clouds move from Cb to precipitation, Luiz lightning 11. Forested-deforested cloud contrast Luiz 12. IWC and microphysics in the outflow and effects of pollution Christiane Voigt 13. Cloud properties in mixed-phase and cirrus regimes Martina et al, Joachim 14. versus CDN Mira, Martina 15. Characterization of cloud hydrometeor size distribution, charc/parametrization as a function of pollution Micael
4 16. Nitrogen oxides biomass burning versus lightning Helmut 17. HASI charactzerization Bernadett 18. Vertical carbon distribution Max 19. Dust layers, trace gases detected with specmacs Tobias, Evi 20. specmacs and HAI Uli, Tobias, Bernhard, PMS
5 21. Ice particle microphysics in outflow vertical/spatial structure effects of pollution and scattering properties Emma, Ralf 22. BC coating mechanism Mira, Christopher 23. Turbulence in clouds Schumann, Bodenschatz, Bernhard 24. Back-trajectories and meteorological conditions, aerosol time series (ATTO and regional) Luiz, Heini, Manfred, Mira, Christopher 25. LES and droplet statistics, radiative transfer Fabian, Micael, Luiz, Tobias
6 26. How representative are aircraft measurements in regional scale (G1, HALO comparison) Luiz, Ramon, Bernhard 27. WRF-CHEM simulations Christopher 28. Outflow and natural cirrus microphysical retrievals: Satellite versus aircraft Trismono 29. Several topics related to outflow and vertical transport Hans, Helmut
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