Sie sind hier: Startseite Forschung Arbeitsgruppen Arbeitsgruppe Fernerkundung Staff Dr. Frank Thonfeld

Dr. Frank Thonfeld

Frank_rund.jpg.pngPost-Doc

Room 334
Meckenheimer Allee 166
53115 Bonn

E-Mail: frank.thonfeld@uni-bonn.de
Phone: (+49)228/73-4970

Consultation hour: Tuesday, 3-4 p.m. and on appointment

 

Research interests

  • Global Change
  • Land Conversion
  • Change Detection
  • High-resolution Remote Sensing
  • SAR-Optical Synergy
  • Time Series Analysis
  • Landsat
  • Forest Monitoring
  • Wetlands

 

Study Areas

  • Europe (Germany)
  • North America (Canada)
  • East Africa (Kenya, Tanzania)
  • Southern Africa (Namibia)

 

Background

  • Since 01/2015: Senior Researcher, GIUB & ZFL
  • 10/2011-12/2014: ZFL Executive
  • 11/2008-07/2014: PhD-Student, ZFL/ University of Bonn
  • 04/2008-07/2008: Research Assistant at Friedrich-Schiller-University Jena. ENVILAND 2 - Radar and Optical Satellite Data for ENVIronment and LANDsat Use Applications - proposal
  • 2008 Diploma in Geography (master equivalent)
  • 2001-2008 Studies of Geography at Friedrich-Schiller-University Jena (Minor Subjects: Ecology, Geology)

 

Teaching

  • Introduction to remote sensing (basic lecture)
  • R coding
  • Radar remote sensing
  • Time series analysis
  • Landscape metrics
  • Change detection
  • Environmental history
  • Remote sensing basics (teaching tutors)
  • Field trips (e.g. German low mountain ranges, Namibia, Bonn)

 

Current Projects

 

Closed Projects

  • ColumbusEye
  • ENVILAND-2
  • GlobWetland II
  • RCR Kenya
  • Spaces

 

Other activities

  • DGPF member
  • IEEE member
  • Local organizing commitee member of AK Fernerkundung, 24-25 September 2015, Bonn, Germany
  • Local organizing commitee member of 36th EARSel Symposium, 20-24 June 2016, Bonn, Germany

 

Publications

ResearchGate

Google Scholar

 

Guest Editor:

 

Reviewer activity:

  • European Journal of Remote Sensing
  • Forests
  • IEEE Geoscience and Remote Sensing Letters
  • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
  • International Journal of Remote Sensing
  • ISPRS Journal of Photogrammetry and Remote Sensing
  • Journal of Vegetation Science
  • PLOS ONE
  • Remote Sensing
  • Sustainability

 

Theses:

 

Peer-Reviewed:

  • Gabiri, G., C. Leemhuis, B. Diekkrüger, K. Näschen, S. Steinbach & F. Thonfeld (2019): Modelling the impact of land use management on water resources in a tropical inland valley catchment of central Uganda, East Africa. Science of The Total Environment 653, 1052–1066. https://doi.org/10.1016/j.scitotenv.2018.10.430.
     
  • Kirimi, F., K. Thiong, G. Gabiri, B. Diekkrüger & F. Thonfeld (2018): Assessing seasonal land cover dynamics in the tropical Kilombero floodplain of East Africa. Journal of Applied Remote Sensing 12, 24. https://doi.org/10.1117/1.JRS.12.026027.
     
  • Näschen, K., B. Diekkrüger, C. Leemhuis, S. Steinbach, L.S. Seregina, F. Thonfeld & R. van der Linden (2018): Hydrological Modeling in Data-Scarce Catchments: The Kilombero Floodplain in Tanzania. Water 10, 599. https://doi.org/10.3390/w10050599.
     
  • Muro, J., A. Strauch, S. Heinemann, S. Steinbach, F. Thonfeld, B. Waske, B. Diekkrüger (2018): Land surface temperature trends as indicator of land use changes in wetlands. International Journal of Applied Earth Observation and Geoinformation 70, 62–71. https://doi.org/10.1016/j.jag.2018.02.002.
     
  • Leemhuis, C., Thonfeld, F., Näschen, K., Steinbach, S., Muro, J., Strauch, A., López, A., Daconto, G., Games, I. & B. Diekkrüger (2017): Sustainability in the Food-Water-Ecosystem Nexus: The Role of Land Use and Land Cover Change for Water Resources and Ecosystems in the Kilombero Wetland, Tanzania. Sustainability 9, 1513. doi:10.3390/su9091513.
     
  • Hentze, K., Thonfeld, F. & G. Menz (2017): Beyond trend analysis: How a modified breakpoint analysis enhances knowledge of agricultural production after Zimbabwe’s fast track land reform. International Journal of Applied Earth Observation and Geoinformation 62, 78–87. doi:10.1016/j.jag.2017.05.007.
     
  • Thonfeld, F., Rienow, A., Dubovyk, O., Abdel-Hamid, A., Akpeokhai, A., Amler, E., Bareth, G., Basukala, A., Canty, M., Denich, M., Dobrzeniecki, T., Ferner, J., Flügel, H., Ghazaryan, G., Götz, E., Graw, V., Greve, K., Guuroh, R., Heinemann, S., Henning, T., Hentze, K., Hollberg, J., Kirimi, F., Kocherscheidt, S., Konermann-Krüger, B., Liu, D., Muro, J., Oldenburg, C., Ortwein, A., Piroska, R., Santos, F., Schellberg, J., Schultz, J., Schurr, U., Selg, F., Staar, K., Steinbach, S., Strauch, A., Szarzynski, J., Tewes, A., Thiong’o, K., Vetter, A., Wirkus, L. & U. Rascher (2017): In Memoriam: Gunter Menz. Remote Sensing 9, 274. doi:10.3390/rs9030274.
     
  • Locher-Krause, K. E. , M. Volk, B. Waske, F. Thonfeld & S. Lautenbach (2017): Expanding temporal resolution in landscape transformations: Insights from a landsat-based case study in Southern Chile. Ecological Indicators, 75, 132-144, http://dx.doi.org/10.1016/j.ecolind.2016.12.036.
     
  • Muro, J., M. Canty, K. Conradsen, C. Hüttich, A. A. Nielsen, H. Skriver, F. Remy, A. Strauch, F. Thonfeld & G. Menz (2016): Short-term change detection in wetlands using Sentinel-1 time series. Remote Sensing, 8, 10, 795, doi:10.3390/rs8100795.
     
  • Hentze, K., F. Thonfeld & G. Menz (2016): Evaluating Crop Area Mapping from MODIS Time-Series as an Assessment Tool for Zimbabwe’s “Fast Track Land Reform Programme”. PLoS ONE 11(6): e0156630. doi:10.1371/journal.pone.0156630.
     
  • Thonfeld, F., H. Feilhauer, M. Braun & G. Menz (2016): Robust Change Vector Analysis (RCVA) for multi-sensor very high resolution optical satellite data. International Journal of Applied Earth Observation and Geoinformation, 50, 131-140, ISSN 0303-2434, http://dx.doi.org/10.1016/j.jag.2016.03.009.
     
  • Kirimi, F. , D. Kuria , F. Thonfeld, E. Amler, K. Mubea, S. Misana & G. Menz (2016): Influence of Vegetation Cover on the Oh Soil Moisture Retrieval Model: A Case Study of the Malinda Wetland, Tanzania. Advances in Remote Sensing, 5, 28-42. doi:10.4236/ars.2016.51003.
     
  • Thiong’o, K. , R. Pasternak, A. Kleusberg, F. Thonfeld & G. Menz (2015): Separability of Dominant Crop Cultures in Southern Germany Using TerraSAR-X Data. Advances in Remote Sensing, 4, 97-107. doi:10.4236/ars.2015.42009.
     
  • Tewes, A., F. Thonfeld, M. Schmidt, R. J. Oomen, X. Zhu, O. Dubovyk, G. Menz & J. Schellberg (2015): Using RapidEye and MODIS Data Fusion to Monitor Vegetation Dynamics in Semi-Arid Rangelands in South Africa. Remote Sensing 7, 6, 6510-6534. http://dx.doi.org/10.3390/rs70606510.
     
  • Dubovyk, O., G. Menz, A. Lee, J. Schellberg, F. Thonfeld & A. Khamzina (2015): SPOT-Based Sub-Field Level Monitoring of Vegetation Cover Dynamics: A Case of Irrigated Croplands. Remote Sensing 7, 6, 6763-6783. http://dx.doi.org/10.3390/rs70606763.
     
  • Thonfeld, F., A. Hecheltjen & G. Menz (2015): Bi-temporal Change Detection, Change Trajectories and Time Series Analysis for Forest Monitoring. Photogrammetrie - Fernerkundung - Geoinformation, 2, 129-141. DOI: 10.1127/pfg/2015/0259.
     
  • Ali, M., C. Montzka, A. Stadler, G. Menz, F. Thonfeld & H. Vereecken (2015): Estimation and Validation of RapidEye-Based Time-Series  of Leaf Area Index for Winter Wheat in the Rur  Catchment (Germany). Remote Sensing 7, 3, 2808-2831. DOI:10.3390/rs70302808. http://dx.doi.org/10.3390/rs70302808.
     
  • Dubovyk, O., G. Menz, C. Conrad, F. Thonfeld, A. Khamzina (2013): Object-based identification of vegetation cover decline in irrigated agro-ecosystems in Uzbekistan. Quaternary International. 311, 163-174. http://dx.doi.org/10.1016/j.quaint.2013.07.043.

  • Feilhauer, H., F. Thonfeld, U. Faude, K. S. He, D. Rocchini & S. Schmidtlein (2013): Assessing floristic composition with multispectral sensors—A comparison based on monotemporal and multiseasonal field spectra. International Journal of Applied Earth Observation and Geoinformation 21, 218-229. http://dx.doi.org/10.1016/j.jag.2012.09.002.

 

Book Chapter (peer-reviewed)

  • Rienow, A.; Thonfeld, F. & A. Valentin (2017): Flächenverbrauch in der Metropolregion Rheinland 1975-2030. (Springer Vieweg) Wiesbaden. https://link.springer.com/book/10.1007/978-3-658-20399-3

  • Hecheltjen, A., F. Thonfeld & G. Menz (2014): Recent advances in remote sensing change detection - a review. In: Manakos, I. & M. Braun (Eds.): Land use and land cover mapping in Europe. Practices and trends. Springer Dordrecht, Heidelberg, New York, London, 145-178.
     
  • Ackermann, N., F. Becker, C. Berger, M. Bindel, J. Eberle, I. Elbertzhagen, K.-H. Franke, A. Hecheltjen, T. Koch, T. Kubertschak, G. Menz, T. Riedel, C. Schmullius, M. Schwarz, F. Thonfeld, K. Weise, B. Wolf (2012): ENVILAND 2 – Von multisensoralen Satellitenbildern zu operationellen Produkten. In: Borg, E., H. Daedelow & R. Johnson (Hrsg.): RapidEye Science Archive (RESA) „Vom Algorithmus zum Produkt“. Tagungsband zum 4. RESA Workshop, Neustrelitz, 21.-22. März 2012. GITO Verlag, Berlin, ISBN-13: 9783942183611, S. 123-149.


Proceedings:

  • Schmidt, M., E. Amler, J. P. Guerschman, P. Scarth, K. Behn & F. Thonfeld (2016): Fractional vegetation cover of East African wetlands observed on ground and from space. Proceedings of the ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic, ESA SP-740 (DVD).

  • Thonfeld, F., E. Amler, F. Kirimi, S. Steinbach & G. Menz (2016): Long-term land cover and land use change detection in the Kilombero floodplain (Tanzania) using multitemporal metrics-based compositing. Proceedings of the ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic, ESA SP-740 (DVD).

  • Thiong'o, K. B., G. Menz & F. Thonfeld (2016): Assessing leaf area index from high resolution satellite datasets for maize in Trans Nzoia County, Kenya.Proceedings of the ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic, ESA SP-740 (DVD).

  • Thonfeld, F., M. Schmidt, O. Dubovyk & G. Menz (2015): On the relevance of radiometric normalization of dense Landsat time series for forest monitoring.IEEE International Geoscience and Remote Sensing Symposium IGARSS 2015, 26-31 July 2015, Milan, Italy, 2665-2668.

  • Dubovyk, O.,  T. Landmann, B. Erasmus, F. Thonfeld, J. Schellber & G. Menz (2015): Observing vegetation dynamics at medium spatial scale: lessons from Africa and Asia. IEEE International Geoscience and Remote Sensing Symposium IGARSS 2015, 26-31 July 2015, Milan, Italy, 3969-3972.

  • Thonfeld, F., A. A. Nielsen, H. Skriver, K. Conradsen & M. J. Canty (2013):Complex Wishart distribution-based change detection with polarimetric TerraSAR-X imagery. Proceedings of the 5th TerraSAR-X / 4th TanDEM-X Science Team Meeting, 10-14 June 2013, Oberpfaffenhofen, Germany.

  • Thonfeld, F. & G. Menz (2013): Entwicklung eines robusten Veränderungsdetektionsverfahrens für räumlich hoch auflösende Satellitendaten. In: Seyfert, E. (Ed.): Publikationen der Deutschen Gesellschaft für Photogrammetrie, Fernerkundung und Geoinformation e. V., Band 22. 33. Wissenschaftlich-Technische Jahrestagung der DGPF, 27.2.-1.3.2013, Freiburg i. B., Drei-Länder-Tagung D-A-CH, 194-201. ISSN 0942-2870.
     
  • Feilhauer, H., F. Thonfeld, U. Faude, K. S. He, D. Rocchini & S. Schmidtlein (2012): Important characteristics of multispectral data for an assessment of floristic variation. IEEE International Geoscience and Remote Sensing Symposium IGARSS 2012, 22-27 July 2012, Munich, Germany, 36-39.

  • Thonfeld, F. & G. Menz (2011): Coherence and multitemporal intensity metrics of high resolution SAR images for urban change detection.Proceedings of the 4th TerraSAR-X Science Team Meeting, 14-16 February 2011, Oberpfaffenhofen, Germany.

  • Thonfeld, F., A. Hecheltjen, M. Braun & G. Menz (2010): From algorithms to processing chains: A review of land cover and land use change detection methodologies. Proceedings of the ESA Living Planet Symposium 2010, 28 June - 02 July 2010, Bergen, Norway, ESA SP-686 (CD-Rom).

  • Hecheltjen, A., B. Waske, F. Thonfeld, M. Braun & G. Menz (2010): Support Vector Machines for multitemporal and multisensor change detection.Proceedings of the ESA Living Planet Symposium 2010, 28 June - 02 July 2010, Bergen, Norway, ESA SP-686 (CD-Rom).

  • Waske B., M. Braun, F. Thonfeld & I. Elbertzhagen (2010): Classifying multitemporal dual-polarized SAR data from agricultural areas in view of Sentinel-1. Proceedings of the ESA Living Planet Symposium 2010, 28 June - 02 July 2010, Bergen, Norway, ESA SP-686 (CD-Rom).

  • Nielsen, A., A. Hecheltjen, F. Thonfeld, M. Canty (2010): Automatic change detection in RapidEye data using the combined MAD and Kernel MAF methods. IEEE International Geoscience and Remote Sensing Symposium IGARSS 2010, 25-30 July 2010, Honolulu, Hawaii.


Oral presentations:

  • Thonfeld, F. (2018): Landnutzungs- und Landschaftsstrukturwandel und deren Auswirkung auf das Klima. „Die klimaangepasste Stadt – Veränderungspotenziale nutzen“, 25 September 2018, Gelsenkirchen, Germany.
     
  • Thonfeld, F., M. Schmidt, O. Dubovyk & G. Menz (2015): Exploring the effects of radiometric normalization of dense Landsat time series for forest monitoring. 35th EARSeL Symposium 2015, 2nd International Workshop on Temporal Analysis of Satellite Images, 15-19 June 2015, Stockholm, Sweden.
     
  • Thonfeld, F., M. Schmidt, E. Amler, F. Kirimi, A. Müller & G. Menz (2015): Fusion von RapidEye-Zeitreihendaten mit UAV-Daten - Untersuchungen im Kilombero-Feuchtgebiet nahe Ifakara (Tansania). 7th RESA Workshop, 29.–30. April 2015, Bonn, Germany.
     
  • Thonfeld, F. & G. Menz (2013): Waldflächenveränderungsdetektion basierend auf Landsat-Zeitreihen. 2. Gemeinsame Tagung des Arbeitskreis Fernerkundung & des Arbeistkreis Auswertung von Fernerkundungsdaten, 26./27. September 2013, Tübingen, Germany.
     
  • Thonfeld, F., A. A. Nielsen, H. Skriver, K. Conradsen & M. J. Canty (2013): Complex Wishart distribution-based change detection with polarimetric TerraSAR-X imagery. 5th TerraSAR-X Science Team Meeting, 10-12 June 2013, Oberpfaffenhofen, Germany.

  • Thonfeld, F. & G. Menz (2013): Entwicklung eines robusten Veränderungsdetektionsverfahrens für räumlich hoch auflösende Satellitendaten. Wissenschaftlich-Technische Jahrestagung der DGPF, 27.2.-1.3.2013, Freiburg i. B., Drei-Länder-Tagung D-A-CH.
     
  • Thonfeld, F. & H. Feilhauer (2012): Modeling floristic gradients with simulated Sentinel-2 data. Sentinel-2 Preparatory Symposium, ESA-ESRIN, 23-27 April 2012, Frascati, Italy.

  • Thonfeld, F., Feilhauer, H. & G. Menz (2011): Auswirkung des Flächenanteils von Veränderungen bei der Schwellenwertbestimmung zur Unterscheidung von Veränderung und Nicht-Veränderung in Change-Detection-Anwendungen. AK Fernerkundung, 29-30 September 2011, Würzburg.

  • Thonfeld, F. & G. Menz (2011): Coherence and multitemporal intensity metrics of high resolution SAR images for urban change detection. 4th TerraSAR-X Science Team Meeting, 14-16 February 2011, Oberpfaffenhofen, Germany.

  • Thonfeld, F., A. Hecheltjen, M. Braun & G. Menz (2010): A review of change detection methods and their operational implementation for certain applications. 30th EARSeL Symposium "Remote Sensing for Science, Education, and Natural and Cultural Heritage", 31 May - 03 June 2010, Paris, France.


Poster:

  • Schneevoigt, N.J., C. Oldenburg, A. Rienow, A. Valentin & F. Thonfeld (2018): Half a century of land use and land cover change in North Rhine-Westphalia (NRW), Germany. ICLEI Local Governments for Sustainability. Annual Global Forum on Urban Resilience & Adaptiation: Resilient Cities Congress 2018, 26-28 April 2018, Bonn, Germany.

  • Muro, J., Strauch, A., Fitoka, E., Thonfeld, F. (2018): SAR based change detection for mapping wetlands’ dynamics. Mapping Water Bodies from Space (MWBS 2018). 27-28 March 2018, Frascati (Rome), Italy. https://doi.org/10.13140/rg.2.2.33243.46885

  • Muro, J., Strauch, A., Heinemann, S., Thonfeld, F. (2017): LST time series as inidcator of land use changes in wetlands. 5th International Symposium "Recent Advances in Quantitative Remote Sensing". 18-22 September 2017, Torrent (Valencia), Spain.

  • Muro, J., Lopez, A., Strauch, A., Steinbach, S., Truckenbrodt, J., Thonfeld, F. (2017): 25 years of landscape changes in the Kilombero floodplain, Tanzania. Worldcover 2017 Conference, 14-16 March 2017,Frascati (Rome), Italy.

  • Thonfeld, F., S. Steinbach, E. Amler, F. Kirimi & G. Menz (2017): The role of the Kilombero wetland (Tanzania) for food production - long-term change assessment based on image composites. Workshop ”Möglichkeiten und Herausforderungen im Kontext aktueller und zukünftiger Erdbeobachtungsdaten”, Helmholtz-Zentrum für Umweltforschung (UFZ) und Deutsches Luft- und Raumfahrtzentrum (DLR), 9.-10. März 2017, KUBUS, Leipzig.
     
  • Garvin, J. B., G. Asrar, J. J. Frawley, F. Thonfeld, G. Menz & D. Slayback (2016): Birth, life and death of a surtseyan volcanic island in the southwestern Pacific – the story of Hunga Tonga Hunga Ha’apai, Kingdom of Tonga. ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic.
     
  • Heinemann, S., J. Muro, A. Burkart, J. Schultz, F. Thonfeld, & G. Menz (2016): Innovative Approach to Retrieve Land Surface Emissivity and Land Surface Temperature in Areas of Highly Dynamic Emissivity Changes by using thermal Infrared Data. ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic.

  • Kirimi, F., F. Thonfeld, E. Amler, S. Steinbach & G. Menz (2016): Mapping of East African wetlands using multisensory remote sensing. ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic.

  • Kirimi, F. K., F. Thonfeld & G. Menz (2016): Tropical Wetland Monitoring using RapidEye and Sentinel 1 in Ifakara (Tanzania). ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic.

  • Schmidt, M., E. Amler, J. P. Guerschman, P. Scarth, K. Behn & F. Thonfeld(2016): Fractional vegetation cover of East African wetlands observed on ground and from space. ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic.

  • Thonfeld, F., E. Amler, F. Kirimi, S. Steinbach & G. Menz (2016): Long-term land cover and land use change detection in the Kilombero floodplain (Tanzania) using multitemporal metrics-based compositing. ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic.

  • Thiong'o, K. B., G. Menz & F. Thonfeld (2016): Assessing leaf area index from high resolution satellite datasets for maize in Trans Nzoia County, Kenya.ESA Living Planet Symposium 2016, 9 - 13 May 2016, Prague, Czech Republic.

  • Thonfeld, F., H. Feilhauer, G. Menz, O. Dubovyk (2014): Spatio-temporal evaluation of spectral indices in a forest environment and implications for change detection. The 4th International Symposium on Recent Advances in Quantitative Remote Sensing: RAQRS'IV, 22-26th September 2014, Valencia, Spain.

  • Thonfeld, F., H. Feilhauer, O. Dubovyk, M. Schmidt & G. Menz (2014): Multi-decadal forest monitoring using dense satellite time series. Sentinel-2 for Science Workshop, ESA-ESRIN, 20-22 May 2014, Frascati (Rome), Italy.

  • Thonfeld, F. & G. Menz (2014): Don’t trust a pixel? Don’t trust one observation! Forest Cover Change Detection using the Landsat Archive. 5th Workshop of the EARSeL Special Interest Group on Land Use and Land Cover: "Frontiers in Earth Observation for Land System Science", Joint Workshop of the EARSeL SIG LULC and the NASA LCLUC Science Team, Humboldt-Universität zu Berlin, 17-18 March, 2014, Berlin, Germany.

  • Locher, K., S. Lautenbach, M. Volk, B. Waske & F. Thonfeld (2013): Landsat time series analysis: key to understand human impact in Chilean Patagonian ecosystems. 43rd Annual Meeting of the Ecological Society of Germany, Austria and Switzerland, 09-13 September 2013, Potsdam, Germany.

  • Thonfeld, F. & G. Menz (2013): Forest monitoring using all archived Landsat dataESA Living Planet Symposium 2013, 09-13 September 2013, Edinburgh, Scotland.
     
  • Thonfeld, F. & H. Feilhauer (2013): Assessing floristic composition with multispectral sensorsESA Living Planet Symposium 2013, 09-13 September 2013, Edinburgh, Scotland.
     
  • Feilhauer, H., F. Thonfeld, U. Faude, K. He, D. Rocchini & S. Schmidtlein (2012): The potential of different satellite sensors for an assessment of habitat conditions. 42. Jahrestagung der Gesellschaft für Ökologie (GFÖ), 10-14 September 2012, Lüneburg, Germany.

  • Thonfeld, F., H. Feilhauer & G. Menz (2012): Simulation of Sentinel-2 images from hyperspectral data. Sentinel-2 Preparatory Symposium, ESA-ESRIN, 23-27 April 2012, Frascati, Italy.

  • Elbertzhagen, I., F. Thonfeld & G. Menz (2012): SVM-based agricultural land use assessment using Sentinel-2 simulation data. Sentinel-2 Preparatory Symposium, ESA-ESRIN, 23-27 April 2012, Frascati, Italy.

  • Thonfeld, F., A. Hecheltjen & G. Menz (2011): Robust change vector analysis (RCVA) - A change detection tool for high spatial resolution optical data.EARSeL Special Interest Group Land Use/Land Cover (SIG LULC) Conference, 31 May - 3 June 2011, Prague, Czech Republic.

  • Hecheltjen, A., F. Thonfeld & G. Menz (2011): Automated labeling of land cover changes. EARSeL Special Interest Group Land Use/Land Cover (SIG LULC) Conference, 31 May - 3 June 2011, Prague, Czech Republic.

  • Hecheltjen, A., F. Becker, I. Elbertzhagen, F. Thonfeld & G. Menz (2011): Satellitengestützte Änderungskarten – Zum Einfluss von Validierungsflächen auf die Genauigkeit. Deutsche Gesellschaft für Geographie (DGfG), Arbeitskreis Fernerkundung, 29.-30. September 2011, Würzburg, Germany.

  • Thonfeld, F., A. Hecheltjen, M. Braun & G. Menz (2010): From algorithms to processing chains: A review of land cover and land use change detection methodologies. Proceedings of the ESA Living Planet Symposium 2010, 28. June – 02 Jule 2010, Bergen, Norway.

  • Hecheltjen, A., F. Thonfeld, M. Braun & G. Menz (2009): Process chains for change detection: A review. EARSeL Special Interest Group Land Use/Land Cover (SIG LULC) Conference, 25-27 November 2009, Bonn, Germany.

 

Research Blog Posts:

  • Schneevoigt, N.J., H. Wolpensinger, C. Oldenburg, A. Rienow, F. Thonfeld & A. Valentin (2017): Town and Country in the Flow - Network for the Creation of a sustainable Climate Landscape (KlimNet). Research Blog Post - Urban. 3rd German Future Earth Summit "From Knowledge to Action", 8-9 February 2018, Berlin, Germany.

 

Artikelaktionen