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Schill, Christian

This site provides personal informations like contact details, involved projects, special subjects and a short CV.


Chair of Remote Sensing and Landscape Information Systems
University of Freiburg
Mailing address: D-79085 Freiburg, Germany
Delivery address: Tennenbacherstr. 4, D-79106 Freiburg, Germany
Tel.: +49-761-203-8645 






Function at the department

  • working group "Geoinformatics"
  • Linux system administration (based on gentoo)
  • administration of geodatabases, metadata management

Key activities

  • Geodata infrastructures
  • ISO- and OGC-Standards (web services like WFS, WMS etc, metadata (ISO 19115/ISO 19139, GML)
  • geodatabases, especially PostGIS on postgresql
  • Open source libraries in the fields of GIS (gdal, ogr, proj.4, geos etc)
  • Web server administration (apache, tomcat)
  • Content Management System drupal

Curriculum vitae


ongoing projects
completed projects

List of publications and presentations

  • Foody, G. M., L. See, S. Fritz, M. van der Velde, C. Perger, C. Schill, D. S. Boyd, und A. Comber. „Accurate Attribute Mapping from Volunteered Geographic Information: Issues of Volunteer Quantity and Quality“. The Cartographic Journal 52, Nr. 4 (November 2015): 336–44. doi:10.1080/00087041.2015.1108658.
  • Trapp, Natalie, Uwe A. Schneider, Ian McCallum, Steffen Fritz, Christian Schill, Maria Teresa Borzacchiello, Christine Heumesser, und Max Craglia. „A Meta-Analysis on the Return on Investment of Geospatial Data and Systems: A Multi-Country Perspective: A Meta-Analysis on the ROI of Geospatial Data“. Transactions in GIS, September 2014, doi:10.1111/tgis.12091.
  • Linda See, Alexis Comber, Carl Salk, Steffen Fritz, Marijn van der Velde, Christoph Perger, Christian Schill, Ian McCallum, Florian Kraxner, Michael Obersteiner. "Comparing the Quality of Crowdsourced Data Contributed by Expert and Non-Experts". PLoS ONE, 2013; 8 (7): e69958 DOI: 10.1371/journal.pone.0069958
  • See L, Fritz S, Perger C, van der Velde M, Albrecht F, Schill C, McCallum I, Schepaschenko D, Obersteiner M (2013), "Urban Geo-wiki: A crowdsourcing tool for improving urban land cover", in Citizen E-Participation in Urban Governance: Crowdsourcing and Collaborative Creativity, Carlos Nunes Silva (ed.)IGI Global, Hershey, PA, USA pp.119-143 (June 2013),

  • G. M. Foody, L. See, S. Fritz, M. Van der Velde, C. Perger, C. Schill and D. S. Boyd, "Assessing the Accuracy of Volunteered Geographic Information arising from Multiple Contributors to an Internet Based Collaborative Project", Transactions in GIS Article first published online : 22 MAY 2013, DOI: 10.1111/tgis.12033

  •  Fritz S, See L, van der Velde M, Nalelpa RA, Perger C, Schill C, McCallum I, Schepaschenko D, Kraxner F, Vakolyuk M, Albrecht F, Shaw B, Obersteiner M , „Downgrading recent estimates of land available for biofuel production“, Environmental Science & Technology, 47(3):1688-1694 (5 February 2013) (Published online 24 December 2012), doi:

  • Karolina Slamova, Rüdiger Glaser, Christian Schill, Stefan Wiesmeier and Michael Köhl, "Mapping atmospheric corrosion in coastal regions: methods and results", J. Photon. Energy 2, 022003 (Jun 29, 2012);
  • Schill C, Diaz L, Perger C, Fritz S, McCallum I, Nativi S, McInerney D, See L, Craglia M, Web 2 Tools to Improve Global Land Cover: Linking the EuroGEOSS Broker and Geo-Wiki.  Poster presentation, EuroGEOSS Conference, 23-27 January 2012, Madrid, Spain

  • Steffen Fritz, Linda See, Ian McCallum, Christian Schill, Michael Obersteiner, Marijn van der Velde, Hannes Boettcher, Petr Havlík and Frédéric Achard (2011),Highlighting continued uncertainty in global land cover maps for the user community, Environ. Res. Lett. 6 044005, online available at  doi:10.1088/1748-9326/6/4/044005

  • Fritz S, McCallum I, Schill C, Perger C, See L, Schepaschenko D, van der Velde M, Kraxner F, Obersteiner M
    Geo-Wiki: An online platform for improving global land cover, 2012
    Reference:  Environmental Modelling & Software, 31:110-123 (May 2012) (Published online 28 December 2011)
  • Schepaschenko D, Fritz S, McCallum I, Shvidenko A, Perger C, Schill C, See L, Kraxner F, Obersteiner M., „A platform to visualize, analyze and improve biomass datasets:“, Folia Forestalia Polonica, Series A - Forestry, 54(2):137-139

    Available at
  • Schepaschenko D, Fritz S, McCallum I, Perger C, Schill C, Shvidenko A, Kraxner F, Obersteiner M (2011)
    A platform to visualize, analyze and improve Biomass datasets:
    CarboForest Conference,
    21-23 September 2011, Forest Research Institute, Sekocin Stary, Poland More
  • Fritz S, Shchepashchenko D, McCallum I, Perger C, Schill C, Baccini A, Gallaun H, Kindermann G, Obersteiner M, Santoro M, Schmullius C, Shvidenko A (2011)
    Observing terrestrial biomass globally:
    ePoster B51C-0404, AGU Fall Meeting 2011 (December 2011)

  • Fritz, S., L. You, A. Bun, L. See, I. McCallum, C. Schill, C. Perger, J. Liu, M. Hansen, and M. Obersteiner (2011), Cropland for sub-Saharan Africa: A synergistic approach using five land cover data sets, Geophys. Res. Lett., 38, L04404, doi:10.1029/2010GL046213.
  • Fritz S, See L, McCallum I, Schill C, Perger C, Obersteiner M (2011), Building a crowd-sourcing tool for the validation of urban extent and gridded population, In Computational Science and Its Applications - ICCSA 2011, B Murgante, O Gervasi, A Iglesias, et al. (eds) Springer, Heidelberg, Germany pp.39-50
  • McCallum I,   Fritz S,   Schill C,   Perger C,   Achard F,   Grillmayer R,   Koch B,   Kraxner F,   Obersteiner M,   Quinten M   (2010). Harnessing the power of volunteers, the Internet and Google Earth to collect and validate global spatial information.  Earthzine, February 1, Articles, Earth Observation, Technology (1 February 2010).
  • Fritz, S., McCallum, I., Schill, C., Perger, C., Grillmayer, R., Achard. F., Kraxner, F. and
    Obersteiner, M. (2009)     Geo-Wiki.Org: The Use of Crowdsourcing to Improve Global Land
    Cover, Remote Sens. 2009, 1(3), 345-354; doi:10.3390/rs1030345
  • Fritz S,   McCallum I,   Schill C,   Perger C,   Kraxner F,   Obersteiner M   (2009).  Towards a geospatial Wikipedia (Abstract).  Geophysical Research Abstracts, 11:EGU2009-6977.
  • Wang S,   Leduc S,   Wang S,   Obersteiner M,   Schill C,   Koch B   (2009).  A new thinking for renewable energy model: Remote sensing-based renewable energy model.  International Journal of Energy Research, 33(8):778-786 (25 June 2009).
  • Ch. Schill, B. Koch, J. Bogdahn, V. Coors (2007).     Public Participation Comment Markup Language and WFS 1.1, UDMS Annual 2007, p. 85 - 91
  • O. Iercan, Ch. Schill, B. Koch (2007).     ISVisualisation: A Web-Based Visualisation Software for Airborne Laser Scanning Data, Poster, AGIT 2007
  • Hanewinkel, M., Zhou, W. and Schill, C. (2004).     A Neural Network Approach to Identify Forest Stands Susceptible to Wind Damage. Forest Ecology and Management 196: 227-243.
  • Mosch M., Frech I., Schill C., Koch B., Stelzl H., Almer A. & Schnabel T. (2004)     Tourism information based on visualisation of multimedia geodata – ReGeo. HIS-Konferenz, 2004 Spain, Proceedings: Management Information Systems 2004.Incorporating GIS and Remote Sensing. Brebbia C eds.). WIT Press, Southampton, UK, ISBN 1-85312-728-0, S. 263-273.
  • R. Kern*, N. van der Burg, G. Chmiel, J. Ferber, G. Hasenhindl, A. Hinsch, R. Kinderman, J. Kroon, A. Meyer, T. Meyer, R. Niepmann, J. van Roosmalen, C. Schill, P. Sommeling, M. Späth, I. Uhlendorf (2000)     "Long-term stability of dye sensitized solar cells for large area power applications", Opto-Electronics Review; 2000; 8 (4); 284-288
  • Ferber, J.; Kern, R.; Sastrawan, R.; Schill, C.; Schubert, M.; Hinsch, A.; Kroon, J.; Späth, M.; Roosmalen, J.A.M. van; Meyer, A.; Meyer, T.; Niepmann, R.;Holzbock, J.; Uhlendorf, I. (2000)     "Long-Term Stability of Dye-Sensitized Solar Cells for Large Area Power Applications", Proceedings IPS-2000, Snowmass/Aspen, CO, USA, 30.7.-4.8.2000
  • Rainer Kern*, Jörg Ferber, Andreas Hinsch, Jan Kroon, Andy Meyer, Toby Meyer, Regine Niepmann, John van Roosmalen, Christian Schill, Ingo Uhlendorf (2000)     "Investigation of the long-term stability of dye-sensitized solar cells", Proceedings of the IPS 2000 Conference Snowmass/Aspen, 2000
  • A. Hinsch*, J.M. Kroon, M. Späth, J.A.M. van Roosmalen, N.J. Bakker, P. Sommeling, N. van der Burg, R. Kinderman, R. Kern, J. Ferber, C. Schill, M. Schubert, A. Meyer, T. Meyer, I. Uhlendorf, J. Holzbock, R. Niepmann (2000)     "Long-term stability of dye sensitized solar cells for large area power applications (LOTS-DSC)", Proceedings of the 16th European Photovoltaic Solar Energy Conference and Exhibition, Glasgow May 2000
  • Ch. Schill, K. Bücher, A. Zastrow (1997)     "Spectral Response Measurements of PV Modules Using flash Light Illumination And Edge Filters", 14th European Photovoltaic and Solar Energy Conference and Exhibition, Barcelona, Spain 30 June-4 July 1997


  • „ Evaluierung und Verbesserung der globalen Landbedeckungskarten mit der Hilfe eines Netzwerks von Freiwilligen" - Vortrag im Rahmen der Votrragsreihe "Moderne Geoinformationssysteme – mehr als Google Maps und GPS" des medien forum freiburg und der Technologietransferstelle der Uni Freiburg. Freiburg, November 2009