Dr. Achim Röder

Beiträge in Zeitschriften (peer-reviewed)

M.G. Shibia, A. Röder, F.P. Fava, M. Stellmes & J. Hill (2022): Integrating satellite images and topographic data for mapping seasonal grazing management units in pastoral landscapes of eastern Africa.Journal of Arid Environments, 197, 104661. DOI

Ahlswede, S., Asam, S. & Röder, A. (2021): Hedgerow detection in very high-resolution satellite images using convolutional neural networks. Journal of Applied Remote Sensing 15(1): 1-28

Röder, A., Stellmes, M., Frantz, D. & Hill, J. (2018) Remote sensing-based environmental assessment and monitoring - generation of operational baseline and enhanced experimental products in southern Africa. In R. Revermann, K.M. Krewenka, U. Schmiedel, J.M. Olwoch, J. Helmschrot and N. Jürgens (Eds.), Climate change and adaptive land management in southern Africa (ISBN: 978-3-933117-95-3), pp. 344-354. Klaus Hess Publishers, Göttingen, Windhoek.

Schneibel, A., Röder, A., Stellmes, M. & Frantz, D. (2018) Long-term land use change analysis in south-central Angola. Assessing the trade-off between major ecosystem services with remote sensing data. In R. Revermann, K.M. Krewenka, U. Schmiedel, J.M. Olwoch, J. Helmschrot and N. Jürgens (Eds.), Climate change and adaptive land management in southern Africa (ISBN: 978-3-933117-95-3), pp. 360-367. Klaus Hess Publishers, Göttingen, Windhoek.

De Blécourt, M., Röder, A., Gröngröft, A., Baumann, S., Frantz, D. & Eschenbach, A. (2018) Deforestation for agricultural expansion in SW Zambia and NE Namibia and the impacts on soil fertility, and soil organic carbon and nutrient levels. In R. Revermann, K.M. Krewenka, U. Schmiedel, J.M. Olwoch, J. Helmschrot and N. Jürgens (Eds.), Climate change and adaptive land management in southern Africa (ISBN: 978-3-933117-95-3), pp. 242-250. Klaus Hess Publishers, Göttingen, Windhoek.

Polo-Akpisso, A., Folega, F., Souremane, O., Atakpama, W., Coulibaly, M., Wala, K., Röder, A., Akpagana, K. & Yao, T. (2017): Habitat biophysical and spatial patterns assessment within Oti-Kerna-Mandouri protected area network in Togo. International Journal of Biodiversity and Conservation, 10 (5): 214-229. DOI

Schneibel, A., Frantz, D., Röder, A., Stellmes, M., Fischer, K., and Hill, J. (2017). Using Annual Landsat Time Series for the Detection of Dry Forest Degradation Processes in South-Central Angola. Remote Sensing, 9, 905. DOI

Schneibel, A., M. Stellmes, A. Röder, D. Frantz, B. Kowalski, E. Haß, and J. Hill (2017): Assessment of spatio-temporal changes of smallholder cultivation patterns in the Angolan Miombo belt using segmentation of Landsat time series.Remote Sensing of Environment, 195, 118-129. DOI

Frantz, D., A. Röder, M. Stellmes, and J. Hill (2017): Phenology-adaptive pixel-based compositing using optical earth observation imagery. Remote Sensing of Environment, 190, 331-347. DOI

Frantz, D., M. Stellmes, A. Röder, and J. Hill (2016): Fire spread from MODIS burned area data: obtaining fire dynamics information for every single fire. International Journal of Wildland Fire, 25: 1228-1237.DOI 

Frantz, D., M. Stellmes, A. Röder, T. Udelhoven, S. Mader, and J. Hill (2016): Improving the Spatial Resolution of Land Surface Phenology by Fusing Medium- and Coarse-Resolution Inputs.IEEE Transactions on Geoscience and Remote Sensing, 54 (7): 4153-4164. DOI
Download the post-print version here

Frantz, D., A. Röder, T. Udelhoven, and M. Schmidt (2016): Forest Disturbance Mapping Using Dense Synthetic Landsat/MODIS Time-Series and Permutation-Based Disturbance Index Detection.Remote Sensing, 8 (4), 277. DOI

Frantz, D., A. Röder, M. Stellmes, and J. Hill (2016): An Operational Radiometric Landsat Preprocessing Framework for Large-Area Time Series Applications.IEEE Transactions on Geoscience and Remote Sensing, 54 (7): 3928-3943. DOI
Download the post-print version here.

Schneibel, A., M. Stellmes, A. Röder, M. Finckh, R. Revermann, D. Frantz and J. Hill (2016): Evaluating the trade-off between food and timber resulting from the conversion of Miombo forests to agricultural land in Angola using multi-temporal Landsat data. Science of The Total Environment, 548–549: 390-401. DOI

Frantz, D., A. Röder, M. Stellmes, and J. Hill (2015): On the derivation of a spatially distributed aerosol climatology for its incorporation in a radiometric Landsat pre-processing framework.  Remote Sensing Letters, 6 (8): 647-656. DOI

Frantz, D., A. Röder, T. Udelhoven & M. Schmidt (2015). Enhancing the Detectability of Clouds and Their Shadows in Multitemporal Dryland Landsat Imagery: Extending Fmask. IEEE Geoscience and Remote Sensing Letters, 12 (6): 1242–1246. DOI 

Röder, A., Pröpper, M., Stellmes, M., Schneibel, A. & Hill, J. (2015): Assessing urban growth and rural land use transformations in a cross-border situation in Northern Namibia and Southern Angola.Land Use Policy 42: 340-254. DOI

Fynn, R.W.S., Chase, M. & Röder, A. (2014): Functional habitat heterogeneity and large-herbivore seasonal habitat selection in northern Botswana.South African Journal of Wildlife Research 44(1): 1-15. DOI

Röder, A., Stellmes, M., Domptail, S., Eschenbach, A., Finckh, M., Gröngröft, A., Helmschrot, J., Pröpper, M., Schneibel, A. & Stoffels, J. (2013): Cumulative Effects of Policy and Management Actions on Ecosystem Services: Challenges and Methodological Approaches in The Future Okavango Project. Biodiversity & Ecology, 5, 167-183. DOI

Schneibel, A., Stellmes, M., Revermann, R., Finckh, M., Röder, A. & Hill, J. (2013): Agricultural expansion during the post-civil war period in southern Angola based on bi-temporal Landsat data. Biodiversity & Ecology, 5, 311-319. DOI

Stellmes, M. Frantz, D. Finckh, M., Revermann, R., Röder, A. & Hill, J. (2013): Fire frequency, fire seasonality and fire intensity within the Okavango region derived from MODIS fire products. Biodiversity & Ecology, 5, 351-362. DOI

Carmona, C. P., Röder, A., Azcárate, F.M., Peco, B. (2013): Grazing management or physiography? Factors controlling vegetation recover in Mediterranean grasslands. Ecological Modelling, 251, 73-84. DOI

Stellmes, M., Röder, A., Udelhoven, T. & Hill, J. (2013): Mapping syndromes of land change in Spain with remote sensing time series, demographic and climatic data. Land Use Policy, 30, 685-702. DOI

Schmidt, M., Udelhoven, T., Gill, T. & Röder, A. (2012): Long term data fusion for a dense time series analysis with MODIS and Landsat imagery in an Australian Savanna. Journal of Applied Remote Sensing, 6, 063530. DOI

Stellmes, M., Udelhoven, T., Röder, A., Sonnenschein, R. & Hill, J. (2010): Dryland observation at local and regional scale - comparison of Landsat TM/ETM+ and NOAA AVHRR time series.Remote Sensing of Environment, 114: 2111-2125. DOI 

Röder, A., Udelhoven, T., del Barrio, G., & Tsiourlis, G.M. (2008): Trend analysis of Landsat-TM and -ETM+ imagery to monitor grazing impact in a rangeland ecosystem in Northern Greece.Remote Sensing of Environment, 112, 2863-2875. DOI

Röder, A., Duguy, B., Alloza, J.A., Vallejo, R., & Hill, J. (2008): Using long time series of Landsat data to monitor fire events and post-fire dynamics and identify driving factors. A case study in the Ayora region (eastern Spain).Remote Sensing of Environment, 112, 259-273. DOI

Lorent, H., Evangelou, C., Stellmes, M., Hill, J., Papanastasis, V.P., Tsiourlis, G.M., Röder, A., & Lambin, E. (2008): Land degradation and economic conditions of agricultural households in a marginal region of northern Greece.Global and Planetary Change, 64, 188-197. DOI

Hill, J., Stellmes, M., Udelhoven, T., Röder, A., & Sommer, S. (2008): Mediterranean desertification and land degradation: Mapping related land use change syndromes based on satellite observations.Global and Planetary Change, 64, 146-157. DOI

Duguy, B., Alloza, J.A., Röder, A., Vallejo, R., & Pastor, F. (2007): Evaluating the effects of landscape-scale fuel treatments on fire growth and behaviour in a Mediterranean landscape (eastern Spain). Journal of Wildland Fire, 16, 619-632. DOI

Röder, A., Kuemmerle, T., Hill, J., Papanastasis, V.P., Tsiourlis, G.M. (2007): Adaptation of a grazing gradient concept to heterogeneous Mediterranean rangelands using cost surface modelling.Ecological Modelling, 204, 387-398. DOI

Hill, J. & Röder, A. (2006): Remote Sensing of Mediterranean Land Degradation. Geographische Rundschau International Edition, 2(3), pp. 51-57. 

Kümmerle, T., Röder, A., Hill, J. (2006): Separating grassland and shrub vegetation by multi-date pixel-adaptive spectral mixture analysis.International Journal of Remote Sensing, 27 (15), 3251-3271. DOI

Röder, A., T. Kuemmerle, & J. Hill (2005): Extension of retrospective datasets using multiple sensors. An approach to radiometric intercalibration of Landsat TM and MSS data. Remote Sensing of Environment, 95, 195-210. DOI

Hill, J., Hostert, P., Röder, A. (2003): Observation and long-term monitoring of Mediterranean ecosystems with satellite remote sensing and GIS. Management of Environmental Quality: An International Journal (MEQ), 14, 1, 51-68. DOI

Hostert, P., A. Röder & J. Hill (2003): Coupling spectral unmixing and trend analysis for monitoring of long-term vegetation dynamics in Mediterranean rangelands. Remote Sensing of Environment, 87, 183-197. DOI

Hostert, P., A. Röder, J. Hill, T. Udelhoven & G. Tsiourlis (2003): Retrospective studies of grazing-induced land degradation: a case study in central Crete, Greece. Int. J. Remote Sensing, 24, 20, 4019-4034. DOI

Röder, A., J. Hill & P. Hostert (2003): Fernerkundung und Geodatenverarbeitung zum Monitoring von Desertifikation und Degradation im Mediterranen Raum.Photogrammetrie - Fernerkundung - Geoinformation, 2003 (1), 15-25. Link

Hostert, P., Röder, A., Jarmer, T., Udelhoven, T., Hill, J. (2001): The Potential of Remote Sensing and GIS for Desertification Monitoring - State of the Art and Future Research.Annals of Arid Zone, 40, 2, 103-140.

Monographien/Bücher

Röder, A., & Hill, J. (2009). Recent Advances in Remote Sensing and Geoinformation Processing for Land Degradation Assessment. London: Taylor & Francis.

Röder, A. (2005): A Remote Sensing Based Framework for Monitoring and Assessing Mediterranean Rangelands. Case Studies from Two Test Sites in Spain and Greece. PhD Thesis, Trier Download 

Buchbeiträge

T. Udelhoven, A. Röder, J. Stoffels, R. Retzlaff & H. Buddenbaum (2021). Fernerkundung – Grundlagen, Systeme und Anwendungen. In P. Fischer-Stabel (Ed.), Umweltinformationssysteme: Grundlagen einer angewandten Geoinformatik/Geo-IT (pp. 118-144). Berlin: Wichmann Verlag, VDE.

Röder, A. & Schneibel, A. (2018): When food security compromises land resources and biodiversity. In Cherlet, M., Hutchinson, C., Reynolds, J., Hill, J., Sommer, S., von Maltitz, G. (Eds.), World Atlas of Desertification, Publication Office of the European Union, Luxembourg, 2018 ( ISBN 978-92-79-75350-3), pp: 202-205. DOI

Stellmes, M., Sonnenschein, R., Röder, A., Udelhoven, T., Sommer, S. & Hill, J. (2015): Land Degradation Assessment and Monitoring of Drylands. In P. Thenkabail (ed.), Remote Sensing of Water Resources, Disasters, and Urban Studies, Remote Sensing Handbook, Volume 3, Boca Raton, USA, pp. 417-452.

Udelhoven, Th., Stellmes, M. & Röder, A. (2015): Assessing rainfall-EVI relationships in the Okavango catchment employing MODIS time series data and distributed lag models: In C. Kuenzer, S. Dech & S. Wagner (Eds.), Remote Sensing Time Series. Revealing Land Surface Dynamics (pp. 225-245). Berlin, Heidelberg: Springer (ISBN 978-3-319-15967-6).

Röder, A., Hill, J., Kuemmerle, T., del Barrio, G., Papanastasis, V.P., & Tsiourlis, G.M. (2009): Geomatics-based characterization of spatial and temporal trends in heterogeneous Mediterranean rangelands of Northern Greece. In A. Röder & J. Hill (Eds.), Recent Advances in Remote Sensing and Geoinformation Processing for Land Degradation Assessment (pp. 281-300). London: Taylor & Francis.

Hill, J., Röder, A., Mehl, W., & Tsiourlis, G.M. (2009): Retrieving rangeland vegetation characteristics through constrained inverse reflectance modelling of earth observation satellite imagery. In A. Röder & J. Hill (Eds.), Recent Advances in Remote Sensing and Geoinformation Processing for Land Degradation Assessment (pp. 211-226). London: Taylor & Francis.

Hill, J., Hostert, P., Röder, A. (2004): Long-term Observation of Mediterranean Ecosystems with Satellite Remote Sensing.In: Mazzoleni, S., di Pasquale, G., Mulligan, M., di Martino, P., Rego, F. (Eds.): Recent Dynamics of the Mediterranean Vegetation and Landscape, Wiley & Sons, 33-44.

Konferenzbeiträge

Röder, A., Hubert, S., Stellmes, M., Scarth, P., Bautista, S. & Cortina, J. (2010): Characterizing landscape properties in southeasthern Spain by combining classification and multi-date spectral mixture analysis. Surveying and Spatial Sciences Institute (eds.): Proceedings of the 15th Australasian Remote Sensing & Photogrammetry Conference, 13th – 17th September 2010, Alice Springs (Australia), 15 pp (http://www.15.arspc.com/proceedings)

Röder, A., Hubert, S., Stellmes, M., Scarth, M., Bautista, S., Cortina, J. (2010): Characterizing Land Use Change in a Complex Semi-arid Landscape by Combined Assessment of Land Transformations and Modifications. Reuter, R. (ed.): 30th EARSeL Symposium – Remote Sensing for Science, Education and Natural and Cultural Heritage, UNESCO, Paris (France), 31 May – 3 June, 2101, pp. 231-238

Scarth, P., Röder, A. & Schmidt, M. (2010):  Tracking grazing pressure and climate interaction – the role of Landsat fractional cover in time series analysis. Surveying and Spatial Sciences Institute (eds.): Proceedings of the 15th Australasian Remote Sensing & Photogrammetry Conference, 13th – 17th September 2010, Alice Springs (Australia), 15 pp (/www.15.arspc.com/proceedings)

Stellmes, M., Udelhoven, T., Röder, A., & Hill, J. (2008): Dryland observation at local and regional scale - comparison of Landsat TM and NOAA AVHRR time series. In C.M.U. Neale, M. Owe & G. d'Urso (Eds.), SPIE Europe - Remote Sensing for Agriculture, Ecosystems, and Hydrology (p. 11).

Röder, A., Stellmes, M., Hill, J., Kuemmerle, T., & Tsiourlis, G.M. (2008). Analysing land cover change using time series analysis of Landsat data and geoinformation processing: a natural experiment in Northern Greece. In C.M.U. Neale, M. Owe & G. d'Urso (Eds.), SPIE Europe - Remote Sensing for Agriculture, Ecosystems, and Hydrology (p. 11).

Röder, A., Stellmes, M., Hill, J., Kuemmerle, T., & Tsiourlis, G.M. (2008). Using time series of Landsat data and geoinformation processing to analyze land use change in a natural experiment situtation in northern Greece. In R. Bartolo & A. Edwards (Eds.), 14 ARSPC Australasian Remote Sensing and Photogrammetry Conference (p. 1). Darwin, Australia.

Röder, A., Hill, J., & Tsiourlis, G.M. (2008). Assessing scale transitions in leaf area index estimation in a heterogeneous shrubland ecosystem. In R. Bartolo & A. Edwards (Eds.), 14 ARSPC Australasian Remote Sensing and Photogrammetry Conference (p. 10). Darwin, Australia.

Schiefer, S., Röder, A., & Hill, J. (2006). Spectral mixture analysis of segmented satellite imagery. In M. Braun (Ed.), 2nd workshop of the EARSeL SIG on land use and land cover (pp. 89-95). Bonn.

Röder, A., Hill, J., Udelhoven, Th., Duguy, B. Vallejo, R., del Barrio, G., Papanastasis, V. & Tsiourlis, G. (2007): Local-scale monitoring of land degradation processes in Mediterranean rangelands. In: Sobrino, J.A. (Ed.): Proceedings of the 'Second International Conference on Recent Advances in Quantitative Remote Sensing', Auditori de Torrent, Spain, 25-29 September, pp. 810-816.

A. Röder, J. Hill (2006): Proceedings of the 1st International Conference on "Remote Sensing and Geoinformation Processing in the Assessment and Monitoring of Land Degradation and Desertification.

In support of the UN Convention to Combat Desertification"; 7.-9. Sept. 2005, Trier, Germany. Reference: ubt.opus.hbz-nrw.de/volltexte/2006/362

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A. Röder, T. Kuemmerle, J. Hill, G. del Barrio, V. Papanastasis, G. Tsiourlis (2006): Assessing rangeland degradation in heterogeneous Mediterranean environments. A case study in the County of Lagadas/Greece. In: A. Röder & J. Hill (Eds.):Proceedings of the 1st International Conference on "Remote Sensing and Geoinformation Processing in the Assessment and Monitoring of Land Degradation and Desertification. In support of the UN Convention to Combat Desertification"; 7.-9. Sept. 2005, Trier, Germany, pp. 348-355 Download

Duguy, B., Alloza, J.A., Röder, A., Vallejo, R. (2006): Integrating spatial technologies and fire modelling for studying fire behaviour and designing landscape management strategies in fire-prone Mediterranean areas. Presentation at the General Assembly of the European Geoscience Union (EGU) 2006, April 2 - 7, 2006 - Vienna, Austria

Hill, J., Röder, A., Mader, S. (2006): Landdegradation und Desertifikation.Die Erfassung prozessrelevanter Oberflächeneigenschaften mit optischen Fernerkundungssystemen. In: Kulke, E., Monheim, H. & Wessel, K. (Eds.):GrenzWerte - Tagungsbericht und wissenschaftliche Abhandlungen des 55. Deutschen Geographentages Trier 2005, pp. 651-660.

J. Hill, W. Mehl, A. Röder, S. Bärisch, G. Tsiourlis (2006): Retrieving rangeland vegetation characteristics through constrained inverse reflectance modelling of earth observation satellite imagery. In: A. Röder & J. Hill (Eds.):Proceedings of the 1st International Conference on "Remote Sensing and Geoinformation Processing in the Assessment and Monitoring of Land Degradation and Desertification. In support of the UN Convention to Combat Desertification"; 7.-9. Sept. 2005, Trier, Germany, pp. 60-67 Download

Röder, A.; Kuemmerle, T., Hill, J., del Barrio, G.; Papanastasis, V.; Tsiourlis, G. (2006): Analysing land cover change in the County of Lagadas (Greece) using time series analysis of Landsat data and geoinformation processing. Presentation at the 2006 Geoscience and Remote Sensing Society Symposium (IGARSS), 31 July - 4 August, 2006, Denver, Colorado

Schiefer, S., Röder, A., & Hill, J. (2006): Spectral Mixture Analysis of Segmented Satellite Imagery. In: Braun, M. (Editor): Proceedings of the second workshop of the EARSeL SIG on Remote Sensing of Land Use & Land Cover, held 28-30 October 2006, Bonn, Germany, pp. 89-95.

Duguy, B., Alloza, J.A., Vallejo, R., Röder, A., Hill, J. (2005): Use of the FARSITE fire growth model to design strategies for fire prevention and landscape diversity and resilience promotion in a fire-prone area (Ayora, Eastern Spain). in: De La Riva, J., Pérez-Cabello, F. & Chuvieco, E. (Eds.): Proceedings of the 5th International Workshop on Remote Sensing and GIS Applications to Forest Fire Management: Fire Effects Assessment, held 16.-18. June, 2005, Zaragoza, Spain, pp. 91-95.

Röder, A., Bärisch, S., Hill, J., Duguy, B., Alloza, J. A., Vallejo, R. (2005): An interpretation framework for fire events and post-fire dynamics in Ayora/Spain using time-series of Landsat-TM and -MSS data. In: Oluic, M. (ed.): New Strategies for European Remote Sensing. Proceedings of the 24th Symposium of the European Association of Remote Sensing Laboratories, Croatia, 25-27 May 2004, pp. 51-60.

Röder, A., Hill, J., Duguy, B., Alloza, J.A., Vallejo, R. (2005): Mapping fire events and post fire succession using long time-series of Landsat-TM and -MSS data. in: De La Riva, J., Pérez-Cabello, F. & Chuvieco, E. (Eds.): Proceedings of the 5th International Workshop on Remote Sensing and GIS Applications to Forest Fire Management: Fire Effects Assessment, held 16.-18. June, 2005, Zaragoza, Spain, pp. 287-290.

Röder, A.; Kuemmerle, T., Hill, J., del Barrio, G., Tsiourlis, G., Papanastasis, V. (2005): Assessing rangeland degradation in heterogeneous Mediterranean environments. A case study in the County of Lagadas/Greece. In: Röder, A. & Hill, J. (Editors): Proceedings of the 1st International Conference on Remote Sensing and Geoinformation Processing in the Assessment and Monitoring of Land Degradation and Desertification (RGLDD), Trier, 7.-9. Sept, 2005. CD-Rom publication.

Röder, A., Kümmerle, T., Hill, J. (2004): Extending time-series of satellite images by radiometric intercalibration. In: Smits, P. & Bruzzone, L (Eds.): Analysis of Multi-Temporal Remote Sensing Images. Proceedings of the Second International Workshop on the Analysis of Multitemporal Remote Sensing Images. Series in Remote Sensing, Vol. 3, 21-29. World Scientific, New Jersey, London, Singapore.

Röder, A., Hill, J., Sommer, S., Mehl, W., Kemper, Th., Brundu, G., Vallejo, R., Del Barrio, G., Puigdefabregas, J., Papanastasis, V., Tsiourlis, G.M. (2002): Geomatics in the assessment and sustainable management of Mediterranean rangelands, the GeoRange project.- Second Workshop of the EARSeL Special Interest Group on Remote Sensing for Developing Countries, 18.-20. September 2002, Bonn, pp. 95-108 (CD Rom Publication) Download

Hill J., Röder A., Tsiourlis G. M., Sommer S., Mehl W., Papanastasis V., Vallejo R., del Barrio G., Puigdefabregas J. (2001): Geomatics in the Assessment and Sustainable Management of Mediterranean Rangelands - The GeoRange approach.- Radoglu, K.: Proceedings of the International Conference on Forest Research: A challenge for an integrated European approach. August, 27th - September, 1st, 2001, Thessaloniki, Greece, 147-150

Hill, J., Hostert, P., Röder, A., Udelhoven, T., Tsiourlis, G., Kasapidis, P. (2001): Employing Calibrated Long Time-series of EOS Data for Monitoring Land Degradation in the European Mediterranean.- 20th EARSeL Symposium - Remote Sensing in the 21st Century, 14th-16th June 2000, Dresden, Germany, 341-346.

Hostert, P., Röder, A., Hill, J., Udelhoven, T., Tsiourlis, G. (2001): Employing Calibrated Time Series of EOS Data for Retrospective Studies of Grazing Induced Land Degradation: The Crete Case Study.- Proc. Int. Workshop Geo-Spatial Knowledge Processing for Natural Resource Management, 28th-29th June 2001, Varese, Italy, 107-111.

Röder, A., Hill, J., Hostert, P. (2001): Radiometric Intercalibration of Landsat-TM and -MSS Data for Quantitative Long-term Environmental Monitoring.- 20th EARSeL Symposium - Remote Sensing in the 21st Century, 14th-16th June 2000, Dresden, Germany, 213-218. Download

Röder, A., Hostert, P., Tsiourlis, G., Kasapidis, P., Hill, J. (2001): Resource Assessment to Support the Sustainable Management of Mediterranean Ecosystems.An Approach Integrating Remote Sensing and Ecology. - Proc. Int. Workshop Geo-Spatial Knowledge Processing for Natural Resource Management, 28th-29th June 2001, Varese, Italy, 303-309. Download

Röder, A., J. Hill, & P. Hostert (2001): Radiometric intercalibration of Landsat-TM and -MSS data for quantitative long-term environmental monitoring. in: Buchroithner, ed., A decade of trans-european remote sensing cooperation, (A.A. Balkema: Rotterdam), 213-218.

Hill, J., Hostert, P., Röder, A. (2000): An Integrated Approach to Assess and Monitor Desertification Processes in the Mediterranean Basin - DeMon-II.- Proc. Int. Conf. Mediterranean Desertification, 29th Oct - 1st Nov 1996, Crete, Greece, vol. 2, 587-596.

Hill, J., Hostert, P., Röder, A., Tsiourlis, G. (2000): Satellite Monitoring of Desertification in the European Mediterranean - Preliminary Results from the DeMon-II Project.- Austrian Federal Ministry of Science and Transport (edts.): Proc. European Climate Science Conference, 19th-23rd October 1998, Vienna, Austria (CD Rom Publication through European Commission, Article No. 107).

Röder, A., Hill, J., Hostert, P., Tsiourlis, G. (2000): DeMon-II - Satellite Monitoring of Desertification in the European Mediterranean. The Crete case study. - Enne, G., Zanolla, Ch., Peter, D.: Desertification in Europe: Mitigation Strategies, Land-use Planning. Proceedings of the Advanced Study Course held in Alghero, Sardinia, Italy, 31 May to - 10 June 1999, pp. 134-143

Hostert, P., Radeloff, V.C., Röder, A., Hill, J. (1999): Monitoring 20 Years of Vegetation Dynamics with Spectral Unmixing of Landsat Data in Crete, Greece.- World Congress of the International Association of Landscape Ecology, 30th July-3rd August 1999, Snowmass Village, Colorado, 69.

Hostert, P., Seidel, O., Röder, A., & Hill, J. (1999): Customizing ArcView: GIS als Instrument zum Management fernerkundlicher Geländekampagnen - Fallstudie Zentralkreta. In: Beiträge zum Symposium für Angewandte Geographische Informationstechnologie (AGIT), Salzburg, 8.-10. Juli 1999, 273-279.

Hill, J., Hostert, P., Röder, A., Lacaze, B., Caraux, D., Riezebos, H., Brouwer, L., De Jong, S., Caselles, V., Valor, (1998): Desertification in the European Mediterranean - The DeMon-II Approach in Using Satellite Remote Sensing for Assessing and Monitoring Environmental Degradation.- Proc. Int. Symp. Satellite-based Observation: a Tool for the Study of the Mediterranean Basin, 23rd-27th Nov 1998, Tunis, Tunesia.

Sonstige

Röder, A. & Schneibel, A. (2017): Nahrungsmittelproduktion versus Nachhaltigkeit. Nutzungskonflikte im Okavango-Einzugsgebiet Angolas. Praxis Geographie 3/2017, 38-44

Udelhoven, T., A. Röder & J. Stoffels (2012): Geodaten und Geoinformatik – Neue Wege für die Nutzung und Analyse raumbezogener Daten. Geographie und Schule 198 (34): 4-12.

Hill, J., Stellmes, M. & Röder, A. (2009). Using non-linear optimization strategies for compiling calibrated and atmospherically corrected EO time series for land use and land cover change detection, EARSeL SIG on Land Use Land Cover Change, 25-27 November 2009, Bonn, Germany.

Röder, A., Stellmes, M., Hill, J., Kuemmerle, T., & Tsiourlis, G.M. (2008). Using time series of Landsat data and geoinformation processing to analyze land use change: a natural experiment in Northern Greece. SPIE Europe Remote Sensing. Cardiff, Wales.

Röder, A., & Udelhoven, T. (2008). Monitoring land change using remote sensing data. European Science Foundation Exploratory Workshop: Europe's Green Backbone - Post Socialist Land use Change in the Carpathin Region (EuCaRe). Berlin, Germany.

Röder, A., Stellmes, M., Hill, J., Kuemmerle, T., & Tsiourlis, G.M. (2008). Analysing land cover change using time series analysis of Landsat data and geoinformation processing. A natural experiment in Northern Greece. IALE-D Jahrestagung 2008: Global Change and Landscape Response. Bonn, Germany.

Röder, A., Stellmes, M., Hill, J., Kuemmerle, T., & Tsiourlis, G.M. (2008). Using time series of Landsat data and geoinformation processing to analyze land use change in a natural experiment situation in Northern Greece. 14th Australasian Remote Sensing & Photogrammetry Conference. Darwin, Australia.

Stellmes, M., Udelhoven, T., Röder, A., & Hill, J. (2008). Dryland observation at local and regional scale - comparison of Landsat TM and NOAA AVHRR time series. SPIE Europe Remote Sensing. Cardiff, Wales.

Hill, J., Röder, A., Stellmes, M., & Udelhoven, T. (2008). Standardised Procedures for Monitoring Land Degradation Syndromes at Site Level. In Arab Centre for Studies of Arid Zones and Dry Lands (ACSAD) (Ed.), Livestock Grazing and Rangeland Monitoring in Drylands (p. 81). Damascus: Arab Centre for Studies of Arid Zones and Dry Lands (ACSAD) / Deutsche Gesellschaft für technische Zusammenarbeit (GTZ).

Hill, J., Röder, A., Stellmes, M., & Udelhoven, T. (2008). Standardised Procedures for Monitoring Land Degradation Syndromes at Site Level. Monitoring Concept. In Arab Centre for Studies of Arid Zones and Dry Lands (ACSAD) (Ed.), Livestock Grazing and Rangeland Monitoring in Drylands (p. 42). Damascus: Arab Centre for Studies of Arid Zones and Dry Lands (ACSAD) / Deutsche Gesellschaft für technische Zusammenarbeit (GTZ).

Röder, A., Hill, J., Kuemmerle, T., del Barrio, G., Papanastasis, V.P., & Tsiourlis, G.M. (2007). Temporal vs. spatial trend analysis in monitoring rangeland degradation. A matter of perspective? Wengen Workshop on Global Change Research. Climate Change and Desertification: Monitoring, Modelling and Forecasting. Wengen, Switzerland.

Röder, A., Hill, J., & Stellmes, M. (2007). Desertification - Regional Assessment and Monitoring Strategies for a Global Problem. Sino-Germany Workshop on Landscape and Environmental Changes in Arid and Semiarid China. Lanzhou, China.

Hill, J., Stellmes, M., Udelhoven, T., & Röder, A. (2007). Imaging Desertification Syndromes from Space - Regional Assessment and Monitoring Strategies for a Global Problem. Wengen Workshop on Global Change Research. Climate Change and Desertification: Monitoring, Modelling and Forecasting. Wengen, Switzerland.

Röder, A., Hill, J., del Barrio, G., Papanastasis, V.P., & Tsiourlis, G.M. (2006). Analyzing land cover change in Lagadas County (Greece) based on time series analysis of Landsat data and geoinformation processing. 2006 IEEE International Geoscience & Remote Sensing Symposium & 27th Canadian Symposium on Remote Sensing - IGARSS 2006. Denver, Colorado, USA.

Röder, A., Hill, J., Udelhoven, T., Duguy, B., Vallejo, R., del Barrio, G., Papanastasis, V.P., & Tsiourlis, G.M. (2006). Local scale monitoring of land degradation processes in Mediterranean rangelands. 2nd International Symposium on Recent Advances in Quantitative Remote Sensing - RAQRS II. Torrent, Spain.

Röder, A., & Hill, J. (2005). Die Erfassung prozessrelevanter Oberflächeneigenschaften mit optischen Fernerkundungssystemen. 55. Deutschen Geographentag Trier 2005 - GrenzRäume. Trier, Germany.

Röder, A., Kuemmerle, T., Hill, J., del Barrio, G., Papanastasis, V.P., & Tsiourlis, G.M. (2005). Assessing rangeland degradation in heterogeneous Mediterranean environments. A case study in the county of Lagadas. 1st International Conference on Remote Sensing in the Assessment and Monitoring of Land Degradation and Desertification - RGLDD. Trier, Germany.

Hill, J., Röder, A., Mehl, W., & Tsiourlis, G.M. (2005). Retrieving rangeland vegetation characteristics through constrained inverse reflectance modelling of earth observation satellite imagery. 1st International Conference on Remote Sensing in the Assessment and Monitoring of Land Degradation and Desertification - RGLDD. Trier, Germany.

Röder, A., Duguy, B., Alloza, J.A., Valdecantos, A., Baeza, J., del Barrio, G., & Vallejo, R. (2004). Fires in rangelands: the Ayora case study, Spain. GeoRange Science Meeting. EC-JRC, Ispra (VA), Italy.

Röder, A., & Kemper, T. (2004). Impact assessment through the analysis of long-term remote sensing data sets. GeoRange Science Meeting. EC-JRC, Ispra (VA), Italy.

Sommer, S., Kemper, T., & Röder, A. (2004). Connecting remote sensing and geomatics for rangeland studies and applications. GeoRange Science Meeting. EC-JRC, Ispra (VA), Italy.

Röder, A., Bärisch, S., & Hill, J. (2004). An interpretation framework for fire events and post-fire dynamics in Ayora/Spain using time series of Landsat-TM and -MSS data. 24th Symposium of the European Association of Remote Sensing Laboratories (EARSeL). Dubrovnik, Croatia.

Hill, J., Röder, A., & Papanastasis, V.P. (2004). Lagadas - remote sensing and the assessment of rangeland resources from grazing management. GeoRange Science Meeting. EC-JRC, Ispra (VA), Italy.

Kuemmerle, T., Röder, A., & Hill, J. (2004). Optimised Green Vegetation Derivation for the Quantification of Grazing Impact. 1st Workshop of the EARSeL SIG Land Use Land Cover. Dubrovnik, Croatia

Kemper, T., Mehl, W., Sommer, S., Hill, J., Röder, A., Monaci, G. & Brundu, G. (2003): Monitoring changes in oak woods of Sardinian rangelands: the GeoRange approach. Poster presented at the IUFRO Conference on Monitoring and indicators of forest biodiversity in Europe, 12-15 November 2003, Firenze, Italy

Tsiourlis G., Hill J., Röder A., Papanastasis V., Sommer S., Mehl W., Vallejo R., del Barrio G., Puigdefabregas J. & (2003): Mitigation of desertification risk of Mediterranean Rangelands: A geomatic and ecological approach (The GeoRange project). Presentation at the EU-MEDIN Forum on Disaster Research: The Road to Harmonisation , 26-27 May 2003, Thessaloniki, Greece

Hill, J., Hostert, P., Jarmer, T., Röder, A., Udelhoven, T. (2000): Remote Sensing of Surface Properties. The Key to Assess and Monitor Land Degradation and Desertification Processes in Arid Systems. Invited poster, Conference of Parties, UN Convention to Combat Desertification (UNCCD), 11th-22nd December 2000, Bonn, Germany.

Röder, A., Hostert, P., Tsiourlis, G., Kasapidis, P., Hill, J. (2000): Resource Assessment and Monitoring of Land Degradation with Earth Observation Satellites. The Crete Case Study. Invited poster, Conference of Parties, UN Convention to Combat Desertification (UNCCD), 11th-22nd December 2000, Bonn, Germany.

Hostert, P., Seidel, O., Röder, A., Hill, J. (1999): GIS as a Management Tool for Hyperspectral Measurements in Remote Sensing.- Poster Presentation, 14th ESRI European User Conference, Munich, Germany.