Sylwester Arabas homepage

Contact: sarabas(at)igf.fuw.edu.pl, +48225546876 (work), +48502254779 (mobile)
(you can contact me in Polish, English, Russian ... and hopefully in simple Spanish, French and Japanese)

what's new (research/academic activities)

2010
- participation in the ICARE conference (Toulouse, France, October, 2010)
  [conference website]
- one-month research visit in JAMSTEC (Yokohama, Japan, August/September 2010)
  - seminar (Aug 19th, 13:30)
  [JAMSTEC website]
- participation in the EGU GA 2010 (Vienna, Austria, May 2010)
  [poster (PDF, 3.3 MiB)] [abstract (PDF, 40 KiB)] [slides (PDF, 1.2 MiB)] [conference website]
- participation in the FOSDEM 2010 and mini-GHM (Brussels, Belgium, February 2010)
  [FOSDEM website], [mini-GHM website]
2009
- participation in the EUCAARI Annual Meeting (Stockholm, Sweden, October 2009)
  [poster (PDF, 6.6 MiB)] [meeting website]
- participation in the EUFAR FP7 N6SP Meeting on Standards and Protocols Definition (Toulouse, France, June 2009)
- participation in the EADS Inovation Works student workshop at the Le Bourget 2009 Air Show (Paris, France, June 2009)
- peer-revieved article publication in GRL: Effective radius and droplet spectral width from in-situ aircraft observations in trade-wind cumuli during RICO
  authors: SA, H. Pawlowska, W. Grabowski
  [abstract/article] (first 200 readers can get the article from AGU for free using this code: 83440708)
- poster presentation during the European Geosciences Union General Assembly 2009 (Vienna, Austria, April 2009): A comparison of selected vertical wind measurement techniques on basis of the EUCAARI IMPACT observations
  authors: SA, C. Baehr, M. Boquet, F. Bosveld, Y. Dufournet, H. Klein Baltink, H. Pawlowska, H. Siebert, Ch. Unal
  [abstract] [poster (PDF, 17 MiB)] [conference website]
- participation in the Applications of Graphic Processors in High Performance Computing conference/workshop (Warsaw, Poland, March 2009)
  [event website]
- participation in the EUFAR FP7 Expert Working Group Textbook Kick-off meeting (Warsaw, Poland, February 2009)
  [meeting website]
- joining the GNU Data Language developers team @ SourceForge
  [some stats]
2008
- seminar on the properties of cloud-droplet-size spectrum from RICO observations in trade-wind cumuli (seminar in the Institute of Geophysics, Univ. of Warsaw, November 7^th)
  [presentation (PDF, 7.4 MiB; in Polish)] [seminar website]
- participation in the EUCAARI IOP IMPACT/LONGREX workshop (Toulouse, France, October 2008)
  [workshop website]
- participation in the ISSAOS Aerosols and Climate Change summer school (L'Aquila, Italy, September 2008)
  [school website]
- participation in the EUFAR Expert Working Group Plenary meeting on current issues in Airborne Research (Toulouse, France, September 2008)
- oral presentation during the 15th International Conference on Clouds and Precipitation (Cancun, Mexico, July 2008):
  Effective radius and droplet spectral width from RICO observations
  authors: SA, H. Pawlowska, W. Grabowski
  [extended abstract (PDF, 190 KiB)] [presentation (PDF, 1.8 MiB)] [conference website]
- defence of MSc thesis: Microphysical properties of shallow convective clouds - the RICO case study (in Polish). supervisor: Pawlowska, H., reviewer: Haman, K., Faculty of Physics, Unversity of Warsaw
  [thesis (PDF, hi-res, 96MiB] [thesis (PDF, low-res, 8.6MiB] [APD record]
- participation in the EUCAARI Intensive Measurement Period at Cabauw Tower (IMPACT) field campaign (The Netherlands, May 2008)
  [campaign website] [EUCAARI project website]
- participation in the University of Helsinki / iLEAPS spring school (+ visit at the SMEAR I and SMEAR II measurement stations)
  Physics and chemistry of air pollution and their effects: field course and data analysis
  (Hyytiala forestry field station, Finland, March 9th - 19th 2008)
  [school website]
- leadership of the SEASALT student's airborne research campaign (Niederoeblarn, Austria, February 23rd - March 8th 2008)
  [SEASALT campaign website]
- visit to the Institute for Meteorology and Climate Research and the Zugspitze Observatory (Garmisch-Partenkirchen, Germany, February 2008)
- seminar on the intercomparison of cloud liquid water measurements during the RICO campagin
  (student seminar in the Institute of Geophysics, Univ. of Warsaw, January 23rd 2008)
  [presentation (PDF, in Polish)]
2007
- participation in the EUFAR summer school on Boundary-Layer Research with Airborne Instruments
  (Iasi airport, Romania, July 10th - 20th 2007)
  [EUFAR website] [final report of group no 4 (PDF)]
- participation in the University of Helsinki Formation and growth of atmospheric aerosols summer school
  (Hyytiala forestry field station, Finland, June 25th - July 4th 2007)
  [summer school website]
- seminar on the artificial snow production
  (student seminar in the Institute of Geophysics, Univ. of Warsaw, June 6th 2007)
  [presentation (PDF, in Polish)]
- poster presentation during the European Geosciences Union General Assembly 2007 (Vienna, Austria, April 2007):
  EUFAR - new perspectives in education and training for students and young researchers
  Case study: student's participation in the M55-AMMA-SCOUT-O3 campaign
  authors: A. Stan-Sion, SA
  [abstract (PDF, 29 KiB)] [poster (PDF, 17 MiB)] [conference website]
2006
- participation in the AMMA-SCOUT-O3 (African Monsoon Multidisciplinary Analyses) airborne atmospheric research campaign held from July 31 to August 18, 2006 in Ouagadougou, Burkina Faso.
  [campaign website]
- seminar on the AMMA (African Monsoon Multidisciplinary Analyses) airborne atmospheric research campaign
  (student seminar in the Institute of Geophysics, Univ. of Warsaw, April 12th 2006)
  [presentation (PDF, in Polish)]
- participation in IMWM/EUMETSAT/NOAA/NESDIS "International Summer School on Applications with the Newest Multi-spectral Environmental Satellites Kraków, 8 - 12 May 2006"
  [summer school website]

publications

peer-reviewed articles

Arabas, S., Pawlowska, H., 2010:
Adaptive method of lines for multi-component aerosol condensational growth and cloud droplet activation
Geosci. Model. Dev., (submitted)
Cairo, F., Pommereau, J. P., Law, K. S., Schlager, H., Garnier, A., Fierli, F., Ern, M., Streibel, M., Arabas, S., Borrmann, S., Berthelier, J. J., Blom, C., Christensen, T., D'Amato, F., Di Donfrancesco, G., Deshler, T., Diedhiou, A., Durry, G., Engelsen, O., Goutail, F., Harris, N. R. P., Kerstel, E. R. T., Khaykin, S., Konopka, P., Kylling, A., Larsen, N., Lebel, T., Liu, X., MacKenzie, A. R., Nielsen, J., Oulanowski, A., Parker, D. J., Pelon, J., Polcher, J., Pyle, J. A., Ravegnani, F., Riviere, E. D., Robinson, A. D., Rockmann, T., Schiller, C., Simoes, F., Stefanutti, L., Stroh, F., Some, L., Siegmund, P., Sitnikov, N., Vernier, J. P., Volk, C. M., Voigt, C., von Hobe, M., Viciani, S., and Yushkov, V., 2010:
An introduction to the SCOUT-AMMA stratospheric aircraft, balloons and sondes campaign in West Africa, August 2006: rationale and roadmap,
Atmos. Chem. Phys., 10, 2237-2256, doi:10.5194/acp-10-2237-2010
[abstract/article]
Arabas, S., H. Pawlowska, W. Grabowski, 2009:
Effective radius and droplet spectral width from in-situ aircraft observations in trade-wind cumuli during RICO,
Geophys. Res. Lett., 36, L11803, doi:10.1029/2009GL038257
[abstract/article] (first 200 readers can get the article from AGU for free using this code: 83440708)

conference extended abstracts

Hoose, C., J.E. Kristjansson, S. Arabas, R. Boers, H. Pawlowska, V. Puygrenier, H. Siebert, O. Thouron, 2010:
Parameterization od in-cloud vertical velocities for cloud droplet activation in coarse-grid models: analysis of observations and cloud resolving model results
Proc. of the 13^th AMS Conference on Atmospheric Radiation, Portland, Oregon, USA
[conference website]
Coulais, A., Schellens, M., Gales, J., Arabas, S., Boquien, M., Chanial, P., Messmer, P., Fillmore, D., Poplawski, O., Maret, S., Marchal, G., Galmiche, N., Mermet, T., 2009:
Status of GDL - GNU Data Language.
Proc. of the 19^th conference on Astronomical Data Analysis Software and Systems, Sapporo, Japan
[extended abstract (PDF, 120 KiB)] [slides (PDF, 84 KiB)] [conference website]
Unal, C.M.H., Arabas, S., Dufournet, Y., Russchenberg, H.W.J., 2009:
Vertical wind radar measurements at high temporal and spatial resolution in clear air conditions.
8th International Symposium on Tropospheric Profiling, Delft, The Netherlands
[extended abstract] [conference website]
Arabas, S., H. Pawlowska, W. Grabowski, 2008:
Effective radius and droplet spectral width from RICO observations.
Proceedings of the 15^th International Conference on Clouds and Precipitation, Cancun, Mexico
[extended abstract (PDF, 190 KiB)] [presentation (PDF, 1.8 MiB)] [conference website]

other conference/meeting contributions

Arabas, S., Schellens, M., Coulais, A., Gales, J., Messmer, P., 2010:
GNU Data Language (GDL) - a free and open-source implementation of IDL
Geophysical Research Abstracts, 12, EGU2010-924, Vienna, Austria
[poster (PDF, 3.3 MiB)] [abstract (PDF, 40 KiB)] [slides (PDF, 1.2 MiB)] [conference website]
EUCAARI Annual Meeting, Stockholm, 2009 (abstracts published in Report Series in Aerosol Science, 107, 310 pp., 2010):
- Arabas S., and Pawlowska H., 2010:
  Investigation on cloud-droplet activation process during EUCAARI-IMPACT, a case study
  [poster (PDF, 6.6 MiB)]
- Boers R., Savenije M., van Zadelhoff G.-J., Brenguier J. L., Gomez L., Puygrenier V., Roberts G., Pelon J., Pawlowska H., Arabas S., Jarecka D., Siebert H., Wehner B., Mensah A., Kiendler-Scharr A., Trimborn A., Mentel T., Ten Brink H., Kos G., Roelofs G.-J., Holzinger R., Unal C., Dufournet Y., Ruscchenberg H., Wang P., Knap W., Siebesma A. P., Neggers R., Heus T., Sandu I., and Apituley A. 2010:
  Observational and modelling activities carried out to study the link between aerosols and clouds over the Netherlands and the North Sea
- Kristjansson J. E., Hoose C., Arabas S., and Pawlowska H., 2010:
  Improving the parameterization of in-cloud updraft velocity with the aid of EUCAARI IMPACT data
[abstracts (PDF, 17 MiB)] [meeting website]
Arabas, S., C. Baehr, M. Boquet, F. Bosveld, Y. Dufournet, H. Klein Baltink, H. Pawlowska, H. Siebert, Ch. Unal, 2009:
A comparison of selected vertical wind measurement techniques on basis of the EUCAARI IMPACT observations.
Geophysical Research Abstracts, 11, EGU2009-999, Vienna, Austria
[abstract] [poster (PDF, 17 MiB)] [conference website]
Hoose, C., J. E. Kristjansson, G. Svensson, S. Arabas, H. Pawlowska, J.-L. Brenguier, 2009:
Vertical velocity probability distributions simulated in the CAM-Oslo GCM.
Geophysical Research Abstracts, 11, EGU2009-8745, Vienna, Austria
[abstract] [conference website]
Arabas, S., J. Slawinska, W. Grabowski, H. Morrison, H. Pawlowska, 2009:
Observations and Modeling of Shallow Convective Clouds: Implications for the Indirect Aerosol Effects.
Proceedings of the 19^th Atmospheric Radiation Measurement (ARM) Science Team Meeting, Louisville, Kentucky, USA
[abstract] [poster (PDF, 6 MiB)] [conference website]
Arabas, S., P. Paccard, L. Haga, W. Junkermann, B. Kulawik, C. de Jong, 2008:
Signatures of Evaporation of Artificial Snow in the Alpine Lower Troposphere (SEASALT).
Geophysical Research Abstracts, 10, EGU2008-A-11002, Vienna, Austria
[abstract (PDF, 7.1 KiB)] [poster (PDF, 39 MiB)] [conference website]
Stan-Sion, A., S. Arabas, 2007:
EUFAR - new perspectives in education and training for students and young researchers. Case study: student's participation in the M55-AMMA-SCOUT-O3 campaign.
Geophysical Research Abstracts, 9, EGU2007-A-02137, Vienna, Austria
[abstract (PDF, 29 KiB)] [poster (PDF, 17 MiB)] [conference website]

MSc thesis (2008)

Microphysical properties of shallow convective clouds - the RICO case study (in Polish).
supervisor: H. Pawlowska, reviewer: K. Haman
Faculty of Physics, Unversity of Warsaw
[thesis (PDF, hi-res, 96MiB] [thesis (PDF, low-res, 8.6MiB] [APD record]

teaching

Courses taught at the Faculty of Physics, University of Warsaw:

software

drops - an adaptive moving-sectional model of CCN activation (2010; C++; under review)
GDL - I'm contributing to the GNU Data Language project (2008-present; C++/GDL; beta)

SABAMESE - Simple Awk & Bash AMES Extractor (2006; bash, awk; beta)
A script for extracting data from NASA AMES files.

usage:
  to extract the data: #sabamese input_filename column_no_1 [ : column_no_2 [ : column_no_3 ] ]
  to list the fields: #sabamese input_filename

[download script]

gnuplot Minuit patch (2005; C, C++; GPL; alpha)
A patch for gnuplot adding the minuit command
enabling gnuplot to use CERN Minuit routines for function fiting. Motivation for writing the patch was to extend gnuplot's error handling from x_err to x_err_min, x_err_max, y_err_min, y_err_max.
An academic project for the "Numerical methods for Astronomers" course.
[minuit patch for gnuplot 4.0.0]
WIKA D1-X driver (2004; Java; GPL; mature)
A Java implementation of WIKA D1-X digital pressure gauge RS-232 protocol
Developed for the HEXLAB project, co-authored with Stefan Osłowski.
[tarball with source code] [photo of the HEXLAB deployment site in the Institute of High Pressure Physics, PAS]
ITStudio Quipu (2000 - 2008; PHP,SQL; proprietary; mature; ~20k LOC)
An object-oriented PHP5/PostgreSQL Content Management System offered by ITStudio.pl
Developed and marketed with Łukasz Czechowski and Mateusz Turcza

more about me

previous affiliations:
- lead programmer @ ITStudio.pl (1999 - 2009)
  web-related & database programming
- higher inspector @ Mazovian Voivode Cabinet Office (2002 - 2005)
  web-related & database programming
alumni info:
- University of Warsaw, Faculty of Physics (MSc programme 2002 - 2008)
- Stanisław Staszic 14^th comprehensive high school in Warsaw (1998 - 2002)
- Karol Kurpiński primary stage musical school in Warsaw (1990 - 1996)
- Teodor Duracz 69^th primary school in Warsaw (1990 - 1998)
hobby:
- FLOSS
- sport: mountain/upland sports including alpine skiing, ski-touring, mountain hiking, cycling
- moto: SAABs (once owned a '95 5-door turbo-charged 900, now enjoying a '89 2-door 900 - see photos 57 and 59 on this SAAB Support Convoy slideshow)
- aviation: mostly visiting museums: East Fortune UK, Berlin Gatow DE, Krakow PL, Lelystad NL, Le Bourget FR, Yesilkoy TR, Toulouse/AIRBUS FR, Brussels BE ... TBC
- music: Pink Floyd, Týr, Jan Garbarek, U2, Shadow Gallery, Blind Guardian, Dikta, Kroke, Elektryczne Gitary, Phil Collins, Marek Grechuta, Kult, Lhasa de Sela, Coma ...
- other: GoldenEye 64 :)