Scientific publications

   

 

Ph.D. Thesis research (1988-1993)

The research described in these papers has been carried out during my Ph.D. research in Utrecht.

 

  1. Van Geffen, J.H.G.M. and Hoyng, P.: 1989,
    "Turbulent transport of magnetic fields, IV. Damping of the mean field <B> in alpha^2-dynamos with alpha propto cos theta,"
    Astron. Astrophys. 213, 429--430.
  2. Van Geffen, J.H.G.M. and Hoyng, P.: 1990,
    "Spatial distribution of magnetic energy in a simple turbulent dynamo,"
    Poster paper on IAU Symp. 138 (Kiev, april 1989),
    Solar photosphere: structure, convection and magnetic fields;
    J.O. Stenflo (ed.), Kluwer, Dordrecht.
  3. Van Geffen, J.H.G.M. and Hoyng, P.: 1990,
    "Turbulent transport of magnetic fields, V. Distribution of magnetic energy in a simple alpha^2-dynamo,"
    Geophys. & Astrophys. Fluid Dynamics 53, 109--123. *)
  4. Van Geffen, J.H.G.M., Hoyng, P. and Zwaan C.: 1991,
    "Non-steady global magnetic fields in kinematic theory,"
    in: I. Tuominen, D. Moss and G. Rüdiger (eds.),
    The Sun and Cool Stars: activity, magnetism, dynamos,
    IAU Coll. 130 (Helsinki, juli 1990), Springer-Verlag, Berlin, 129--134.
  5. Hoyng, P. and Van Geffen, J.H.G.M.: 1993,
    "Stochastic excitation of global magnetic fields by fluctuations in the mean helicity,"
    Geophys. & Astrophys. Fluid Dynamics 68, 203--236.
  6. Van Geffen, J.H.G.M.: 1993,
    Magnetic energy balance and period stability of the solar dynamo,
    Ph.D. thesis, University of Utrecht.
            ===> Introduction  |  Summary
  7. Van Geffen, J.H.G.M. and Hoyng, P.: 1993,
    "Distribution of magnetic energy in alpha Omega-dynamos, I: the method,"
    Geophys. & Astrophys. Fluid Dynamics 71, 187--221. *)
  8. Van Geffen, J.H.G.M.: 1993,
    "Distribution of magnetic energy in alpha Omega-dynamos, II: a solar convection zone dynamo,"
    Geophys. & Astrophys. Fluid Dynamics 71, 223--241. *)
  9. Van Geffen, J.H.G.M.: 1993,
    "Distribution of magnetic energy in alpha Omega-dynamos, III: a localized solar dynamo,"
    Astron. Astrophys. 274, 534--542. *)
  10. Van Geffen, J.H.G.M.: 1993,
    "Existence and energy balance of the solar dynamo,"
    in: F. Krause, K.-H. Rädler and G. Rüdiger (eds.), The Cosmic Dynamo,
    IAU Symp. 157 (Potsdam, september 1992) Kluwer, Dordrecht, 19--23.
*) Note: These papers have been included as chapters in [6].

 
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Research scientist in fluid dynamics (1993-1998)

The research described in these papers has been carried out during my stays
in Eindhoven (1993-1996) and Dundee (1996-1998).

 

  1. Van Geffen, J.H.G.M., Meleshko, V.V. and Van Heijst, G.J.F.: 1996,
    "Motion of a two-dimensional monopolar vortex structure in a bounded rectangular domain,"
    Phys. Fluids 8, 2393--2399.
            ===> Abstract  |  Introduction  |  Conclusions
  2. Vosbeek, P.W.C., Van Geffen, J.H.G.M. Meleshko, V.V. and Van Heijst, G.J.F.: 1997,
    "Collapse interactions of finite-sized two-dimensional vortices,"
    Phys. Fluids 9, 3315--3322.
            ===> Abstract  |  Introduction  |  Conclusions
  3. Van Geffen, J.H.G.M. and Van Heijst, G.J.F.: 1998,
    "Viscous evolution of 2D dipolar vortices,"
    Fluid Dyn. Res. 22, 191--213.
            ===> Abstract  |  Introduction  |  Conclusions
  4. Van Geffen, J.H.G.M.: 1998,
    Documentation of the Software Package NSEVOL,
    report R-1466-D, Eindhoven University of Technology.
  5. Van Geffen, J.H.G.M. and Davies P.A.: 1999,
    "Interaction of a monopolar vortex with a topographic ridge,"
    Geophys. & Astrophys. Fluid Dynamics 90, 1--41.
            ===> Abstract  |  Introduction  |  Conclusions
  6. Van Geffen, J.H.G.M. and Davies, P.A.: 2000a,
    "A monopolar vortex encounters a north-south ridge or trough,"
    Fluid Dyn. Res. 26, 157--179.
            ===> Abstract  |  Introduction  |  Conclusions
  7. Van Geffen, J.H.G.M. and Davies, P.A.: 2000b,
    "A monopolar vortex encounters an isolated topographic feature on a beta-plane,"
    Dynam. Atmosph. & Oceans 32, 1--26.
            ===> Abstract  |  Introduction  |  Conclusions

 
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Research scientist in atmospheric science (1999-present)

The research described in these papers has been carried out during my stays at
KNMI in De Bilt (1999-2004) and BIRA-IASB in Brussels (2004-2009) and again
KNMI in De Bilt (2011-present).
The papers are grouped under different subjects:
> GOME near-real time processing and wavelength calibrations   [1999-2004]
> UV radiation monitoring from satellite   [2002-2004]
> Monitoring of SO2 from satellite for SACS and other projects   [2004-2009]
> Monitoring of NO2 from satellite   [2011-present]
> Other subjects   [2004-present]
> Software routines & tools
In addition I made contributions to several project documents, which are not listed here.
Conference presentations without proceedings are not listed.

 
GOME near-real time processing and wavelength calibrations [1999-2004]

  1. in Looking down to Earth in the New Millennium,
    Proceedings of the ERS-ENVISAT Symposium, 16-20 October 2000,
    Gothenburg, Sweden, ESA publication SP-461 (CD-ROM):     ===> Abstracts & Introductions & PDF files
  2. Van Geffen, J.H.G.M. and Van Oss, R.F.: 2003,
    "Wavelength calibration of spectra measured by
    the Global Ozone Monitoring Experiment by use
    of a high-resolution reference spectrum,"
    Applied Optics 42, 2739-2753.
            ===> Abstract  |  Introduction  |  Conclusions  |  PDF file (28 pages; 450 kB)
  3. Van Geffen, J.H.G.M.: 2003,
    Documentation of the software package GomeCal (version 1.0),
    Technical report TR-255, KNMI, De Bilt, The Netherlands.
            ===> GomeCal home page, which includes the documentation.
  4. Van Geffen, J.H.G.M.: 2004,
    "Wavelength calibration of spectra measured by
    the Global Ozone Monitoring Experiment:
    variations along orbits and in time,"
    Applied Optics 43, 695-706.
            ===> Abstract  |  Introduction  |  Conclusions  |  PDF file (22 pages; 390 kB)
 
UV radiation monitoring from satellite [2002-2004]
  1. Van Geffen, J., Van der A, R., Van Weele, M., Allaart, M. and Eskes, H.: 2004,
    "Surface UV radiation monitoring based on GOME and SCIAMACHY,"
    in: Proceedings of the ENVISAT & ERS Symposium, 6-10 September 2004,
    Salzburg, Austria, ESA publication SP-572 (CD-ROM).
            ===> Abstract  |  Introduction  |  Conclusions  |  PDF file (10 pages; 171 kB)
  2. Van Weele, M., Van der A, R.J., Van Geffen, J. and Roebeling, R.: 2005,
    "Space-based surface UV monitoring for Europe using SCIAMACHY and MSG,"
    in: Proceedings of the 12th SPIE International Symposium on Remote Sensing,
    19--22 September 2005, Bruges, Belgium.
            ===> Abstract  |  PDF file (8 pages; 487 kB)
 
Monitoring of SO2 from satellite for SACS and other projects [2004-2009]
  1. Van Geffen, J., Van Roozendael, M., Di Nicolantonio, W., Tampellini, L.,
    Valks, P., Erbertseder, T. and Van der A, R.: 2007,
    "Monitoring of volcanic activity from satellite as part of GSE PROMOTE,"
    in: Proceedings of the 2007 ENVISAT Symposium,
    23-27 April 2007, Montreux, Switzerland, ESA publication SP-636.
            ===> Abstract  |  PDF file (6 pages; 382 kB)
  2. Loyola, D., Van Geffen, J., Valks, P., Erbertseder, T., Van Roozendael, M., Thomas, W., Zimmer, W. and Wißkirchen, K.: 2008,
    "Satellite-based detection of volcanic sulphur dioxide from recent eruptions in Central and South America,"
    Advances in Geosciences 14, 35-40.
            ===> Abstract  |  PDF file (6 pages; 1 MB)
  3. Van Geffen, J., Van Roozendaal, M., Rix, M. and Valks, P.: 2008,
    Initial validation of GOME-2 GDP 4.2 SO2 total columns - ORR B,
    BIRA-IASB/DLR technical note TN-IASB-GOME2-O3MSAF-SO2-01, September 2008.
            ===> Introduction  |  PDF file of the report (28; 1.4 MB)
  4. in: Proceedings of the 2008 second workshop on USE of Remote Sensing Techniques
    for Monitoring Volcanoes and Seismogenic Areas
    ,
    USEReST 2008, 11--14 Nov. 2008, Naples, Italy, IEEE publication:
  5. Van Geffen, J.: 2009,
    "Monitoring of volcanic activity from satellite: a Support to Aviation Control Service,"
    Quart. Bull. Council of European Aerospace Societies Oct. 2009, 19-21.
            ===> Abstract  |  PDF file (3 pages; 682 kB)
  6. Van Geffen, J., Van Roozendael, M., Van Gent, J., Valks, P., Rix, M., Van der A, R., Coheur, P., Clarisse, L. and Clerbaux, C.: 2009,
    "An alert system for volcanic SO2 emissions using satellite measurements,"
    in: Proceedings of the 2009 EUMETSAT Meteorological Satellite Conference,
    21-25 Sept. 2009, Bath, England, EUMETSAT publication P.55.
            ===> Abstract  |  PDF file (8 pages; 869 kB)
  7. Rix, M., Valks, P., Van Geffen, J., Maerker, C., Seidenberger, K., Erbertseder, T., Van Roozendael, M., Hao, N. and Loyola, D.: 2009,
    "Operational monitoring of SO2 emissions using the GOME-2 satellite instrument,"
    in: Proceedings of the 2009 EUMETSAT Meteorological Satellite Conference,
    21-25 Sept. 2009, Bath, England, EUMETSAT publication P.55.
            ===> Abstract  |  PDF file (8 pages; 430 kB)
  8. Rix, M., Valks, P., Valks, P., Hao, N., Van Geffen, J., Clerbaux, C., Clarisse, L., Coheur, P.-F., Loyola, D., Erbertseder, T., Zimmer, W. and Emmadi, S.: 2009,
    "Satellite monitoring of volcanic sulfur dioxide emissions for early warning of volcanic hazards,"
    IEEE J-STARS 2(3), 196-206. doi 10.1109/JSTARS.2009.2031120
            ===> Abstract  |  PDF file (11 pages; 1.1 MB)
  9. Koukouli, M.E., Van Geffen, J., Krotkov, N., Balis, D.S., Bais, A., Van Roozendael, M., Van der A, R. and Zerefos, C.: 2009,
    "SO2 atmospheric loading revealed through ground-based and satellite measurements,"
    in: Proceedings of the International Space Technology Conference,
    24-26 August 2009, Thessaloniki, Greece.
            ===> Abstract  |  PDF file (4 pages; 120 kB)
  10. Tampellini, L., Ratti, R., Borgstr\"om, S., Seifert, F.M., Peltier, A., Kaminski, E., Bianchi, M., Branson, W., Ferrucci, F., Hirn, B., Van der Voet, P. and Van Geffen, J.: 2010,
    "GlobVolcano pre-operational services for global monitoring active volcanoes,"
    Geophys. Res. Abstr. 12, EGU General Assembly 2010, EGU2010-15724.
            ===> PDF of abstract (2 pages; 48 kB)
  11. Pinardi, G., Campion, R., Van Roozendael, M., Fayt, C., Van Geffen, J., Galle, B., Carn, S., Valks, P., Rix, M., Hildago, S., Bourquin, J., Garzon, G. and Inguaggiato, S.: 2010,
    "Comparison of volcanic SO2 flux measurements from satellite and from the NOVAC network,"
    in: Proceedings of the 2010 EUMETSAT Meteorological Satellite Conference,
    20-24 Sept. 2010, Córdoba, Spain, EUMETSAT publication.
            ===> Abstract  |  PDF file (8 pages; 1.2 MB)
  12. Zhang, X., Van Geffen, J., Zhang, P., and Wang, J.: 2011,
    "Trend spatial & temporal distribution, and sources of the tropospheric SO2 over China based on satellite measurements during 2004-2009,"
    in: Proceedings of the Dragon 2 Programme Mid-Term Results 2008 - 2010,
    17-21 May 2010. Guilin City, China, ESA publication SP-684.
            ===> Abstract  |  PDF file (10 pages; 480 kB)
  13. Zhang, X., Van Geffen, J., Liao, H., Zhang, P. and Lou, S.: 2012,
    "Spatiotemporal variations of tropospheric SO2 over China by SCIAMACHY observations during 2004-2009,"
    Atmos. Environment, 238-246.
            ===> Abstract  |  PDF file (9 pages; 2.7MB)
  14. Benot, H., Theys, N., Clarisse, L., Van Geffen, J., Van Gent, J., Van Roozendael, M., Van der A, R., Hurtmans, D., Coheur, P.-F., Clerbaux, C., Valks, P., Hedelt, P., Prata, F., Rasson, O., Sievers, K. and Zehner, C.: 2014,
    "Multi-sensor satellite monitoring of ash and SO2 volcanic plume in support to aviation control,"
    Geophys. Res. Abstr. 16, EGU General Assembly 2014, EGU2014-4152.
            ===> PDF of abstract (1 page; 44 kB)
  15. Brenot, H., Theys, N., Clarisse, L., van Geffen, J., van Gent, J., Van Roozendael, M., van der A, R., Hurtmans, D., Coheur, P.-F., Clerbaux, C., Valks, P., Hedelt, P., Prata, F., Rasson, O., Sievers, K. and Zehner, C.: 2014,
    "Support to Aviation Control Service (SACS): an online service for near real-time satellite monitoring of volcanic plumes,"
    Nat. Hazards Earth Syst. Sci. 14, 1099-1123.
            ===> Abstract  |  PDF file (25 pages; 13.1 MB)
 
Monitoring of NO2 from satellite [2011-present]
  1. Van Geffen, J., De Haan, J., Boersma, F., Van der A., R. and Veefkind, P.: 2012,
    "Novel Approach to Tropospheric NO2 Retrieval for TROPOMI,"
    in: Proceedings of the Atmospheric Science Conference ATMOS 2012,
    Advances in Atmospheric Science and Applications,
    18-22 June 2012, Brugge, Belgium, ESA publication SP-708
            ===> Abstract  |  PDF file (8 pages; 202 kB)
  2. Maasakkers, J.D., Boersma, K.F., Williams, J.E., Van Geffen, J., Vinken, G.C.M., Sneep, M., Hendrick, F., Van Roozendael, M. and Veefkind, J.P.: 2013,
    "Vital improvements to the retrieval of tropospheric NO2 columns from the Ozone Monitoring Instrument,"
    Geophys. Res. Abstr. 15, EGU General Assembly 2013, EGU2013-714.
            ===> PDF of abstract (1 page; 46 kB)
  3. Van Geffen, J.H.G.M., Boersma, K.F., Eskes, H.J., Maasakkers, J.D. and Veefkind, J.P.: 2014,
    TROPOMI ATBD of the total and tropospheric NO2 data products,
    Technical Report S5P-KNMI-L2-0005-RP, version 0.11.0, KNMI, De Bilt, The Netherlands, in review.
  4. Van Geffen, J.H.G.M., Boersma, K.F. and Sneep, M.: 2014,
    TROPOMI NO2 retrieval algoritm implementation,
    Technical Note S5P-KNMI-L2-0116-TN, version 1.1.0, KNMI, De Bilt, The Netherlands.
  5. Van Geffen, J.H.G.M., Boersma, K.F., Van Roozendael, M., Hendrick, F., Mahieu, E., De Smedt, I., Sneep, M. and Veefkind J.P.: 2014,
    "Improved spectral fitting of nitrogen dioxide from OMI in the 405 - 465 nm window,"
    Atmos. Meas. Tech. Disc., submitted.
            ===> Abstract
 
Other subjects [2004-present]
  1. Lerot, C., Van Roozendael, M., Van Geffen, J., Van Gent, J. and Spurr, R.: 2007,
    "On the accuracy of GOME and SCIAMACHY total ozone measurements in polar regions,"
    in: Proceedings of the 2007 ENVISAT Symposium, 23-27 April 2007,
    Montreux, Switzerland, ESA publication SP-636.
            ===> Abstract  |  PDF file (6 pages; 472 kB)
  2. Lerot, C., Van Roozendael, M., Van Geffen, J., Van Gent, J., Fayt, C., Spurr, R., Lichtenberg, G. and Von Bargen, A.: 2009,
    "Six years of total ozone column measurements from SCIAMACHY nadir observations,"
    Atmos. Meas. Tech. 2, 87-98.
            ===> Abstract  |  PDF file (12 pages; 3.6 MB)
  3. Van Roozendael, M., Spurr, R., Loyola, D., Lerot, C., Balis, D., Lambert, J.-C., Zimmer, W., Van Gent, J., Van Geffen, J., Koukouli, M., Granville, J., Doicu, A., Fayt, C. and Zehner, C.: 2012,
    "Sixteen years of GOME/ERS2 total ozone data: the new direct-fitting GOME Data Processor (GDP) Version 5: Algorithm Description,"
    J. Geophys. Res. 117, D03305.
            ===> Abstract  |  PDF file (18 pages; 2.1 MB)
 
Software routines & tools

 
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Other publications

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last modified: 2 October 2014