Helmschrot, J. (2009): Assessment of afforestation impacts on wetland hydrology using an integrated landscpae-based modeling approach. Wetlands (in Vorb.)

Helmschrot, J. (2009): Characterization, inventory and hydrological functioning of palustrine wetlands in semiarid South Africa. Wetlands (in Vorb.)

Helmschrot, J. (2009): Scale effects in modelling wetland and catchment hydrology. GeoÖkoDynamik (in Vorb.)

Helmschrot, J. (2007): Erfassung und Bewertung der raum-zeitlichen Auswirkungen von Landnutzungsänderungen auf die Dynamik von Feuchtgebieten im semi-ariden Südafrika.- Zentralblatt für Geologie und Paläontologie; Teil I, Teil I, 2006, 1-4: 47-62.

Helmschrot, J., Hilbich, C., Mäusbacher, R., Daut, G. (2007): Geophysikalische und sedimentologische Untersuchungen zur Entstehung und Ausprägung von Feuchtgebieten im semi-ariden Südafrika.- Zentralblatt für Geologie und Paläontologie; Teil I, 2006, 1-4: 63-78.

Scheffler, C, Bäse, F., Helmschrot, J., Flügel, W.-A. Krause, P. (2007): Anforderungen an hydrologische Modelle für ein nachhaltiges Wasserressourcenmanagement in semiariden Einzugsgebieten Südafrikas. - Zentralblatt für Geologie und Paläontologie; Teil I, 2006, 1-4: 235-249.

Bäse, F., Helmschrot, J., Müller Schmied, H., Krause, P. (2007): Die Auswirkungen von Landnutzungsänderungen auf die hydrologische Dynamik im semiariden Einzugsgebiet des Tsitsa, Südafrika. - Zentralblatt für Geologie und Paläontologie; Teil I, 2006, 1-4: 251-267.

Bäse, F., Helmschrot, J., Müller Schmied, H., Krause, P. (2007): The impact of land use change on the hydrological dynamic of the semiarid Tsitsa catchment in South Africa. In: Kappas, M.; Kleinn, C. & B. Sloboda (Hrsg.): Global Change Issues in Developing and Emerging Countries. Proceedings of the 2nd Göttinger GIS and Remote Sensing Days 2006. 4.-6. OKtober, S. 257-268. (ISBN: 978-3-938616-93-2)

Dahlke, H., Helmschrot, J., Behrens, T. (2005): A GIS-based terrain analysis approach for inventory of wetland in the semi-arid headwaters of the Umzimvubu basin, South Africa. In: Erasmi, S., Cyffka, B., Kappas, M. (2005): Remote Sensing and GIS for Environmental Studies. Göttinger Geographische Abhandlungen 113: 78-86 [abstract]

Dahlke, H., Helmschrot, J., Flügel, W.-A. (2003): Ein integrativer Ansatz zur landschaftsbezogenen Typisierung von Feuchtgebieten im Einzugsgebiet des Umzimvubu, Ostkap-Provinz, Südafrika.- Zentralblatt für Geologie und Paläontologie; Teil I, Heft 5/6: 451-466.

Helmschrot, J., Flügel, W.-A. (2002): Land use characterization and change detection analysis for hydrological model parameterisation of large scale afforested areas using remote sensing.- Physics and Chemistry of the Earth 27: 711-718.

Staudenrausch, H., Hochschild, V., Helmschrot, J., Müller, A., Gerlach, R., Reinecke, A., Flügel, W.-A. (2000): Integrated Water Resources Management in Southern Africa supported by Remote Sensing and GIS. - Photogrammetrie, Fernerkundung, Geoinformation 5: 331-342. [full paper]

Helmschrot, J. (2006): An integrated, landscape-based approach to model the formation and hydrological functioning of wetlands in semiarid headwater catchments of the Umzimvubu River, South Africa. Sierke Verlag, Göttingen, 314 p. ISBN: 3-933893-75-5.

Helmschrot, J. (2007): Assessment of temporal and spatial effects of landuse changes on wetland hydrology: a case study from South Africa. In: Kotowski, W., Maltby, E., Miroslaw-Swiatek, D., Okruszko, T. and Szatylowicz, J. (eds), Wetlands: modelling, monitoring, management, Taylor & Francis, pp. 197-204. (ISBN:10-041508202)

Hilbich, C., Mäusbacher, R., Daut, G., Helmschrot, J., (2007): A landscape-based model to characterize the evolution and recent dynamics of wetlands in the Umzimvubu headwaters, eastern cape, South Africa. In: Kotowski, W., Maltby, E., Miroslaw-Swiatek, D., Okruszko, T. and Szatylowicz, J. (eds), Wetlands: modelling, monitoring, management, Taylor & Francis, pp 61-69. (ISBN:10-041508202)

Helmschrot, J., Berberoglu, S., Cetin, M., Kralisch, S., Donmez, C., Flügel W.-A. (2008): Utilizing the Hydrological Response Units Approach to Simulate the Hydrological Dynamics of Seyhan River Basin, Turkey. Proceedings of ICGIS 2008, Istanbul, Turkey, 2 - 5 Juy 2008, 405-412.

Müller Schmied, H. Helmschrot, J., Flügel, W.-A. (2008): Hydrological functioning of a small wetland patch within a headwater environment in Thuringia, Germany. In: Mander, Ü. [ed.]: Wetlands and Climate Change: New Challenges for Wetland research, 3rd Annual Meeting of the European Chapter of the Society of Wetland Scienitsts (SWS), Publicationes Instituti Geographici Universitatis Tartuensis 106, 70-72, Tartu, Estonia.[abstract]

Bende-Michl, U., Kemnitz, D., Helmschrot, J., Krause, P., Cresswell, H., Kralisch, S., Fink, M., Flügel, W.-A. (2007): Supporting natural resources management in Tasmania through spatially distributed solute modelling with JAMS-N. In Oxley, E. and Kulasiri, D. (eds) MODSIM 2007 International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, December 2007, pp. 2353-2360. ISBN: 978-0-9758400-4-7. [abstract]

Helmschrot, J., Dahlke, H. (2006): Inventory and Monitoring of South African Wetlands Integrating Field Data, Earth Observation Data Analysis, and GIS-based Terrain Analysis. In: Lacoste, H (ed): Globwetland: Looking at wetlands from space. ESA-Publication SP-634, November 2006, ESA-ESRIN, Frascati, Italien. ISBN: 92-9092-945-6 (Veröffentlichung auf CD) --> ESA-publication Series.

Helmschrot, J., Lorentz, S., Flügel, W.-A. (2005): Integrated wetland and landscape modeling. A case study from the Eastern Cape Province, South Africa. In Zerger, A. and Argent, R.M. (eds) MODSIM 2005 International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, December 2005, pp. 1382-1388. ISBN: 0-9758400-2-9.

Helmschrot, J., Flügel, W.-A. (2001): Bestimmung großflächiger Aufforstungen mit Landsat-TM in der Ostkap Provinz, Südafrika.- In: Sutmöller, J. & Raschke (2001): Modellierung in meso- bis makroskaligen Flusseinzugsgebieten - Tagungsband zum gleichnamigen Workshop am 16./17. November 2000 in Lauenburg, GKSS 2001/15, S. 117-127.

Helmschrot, J., Flügel, W.-A. (2001): Land use characterization and change detection analysis for hydrological model Parameterization of large scale afforested areas using remote sensing. In Ghassemi, F. (eds) MODSIM 2001 International Congress on Modelling and Simulation. Modelling and Simulation Society of Australia and New Zealand, December 2001, Canberra, Australia pp. 469-474. ISBN: 0-867405252. [paper]

Helmschrot, J. (2000): Application of Remote Sensing Data for Distributed Hydrological Model Parameterization in the North East Cape Province (NECP), South Africa.- Proc. of the 28th International Symposium on Remote Sensing of the Environment, 27-31 March 2000, Cape Town. (CD-ROM). [full paper]

Helmschrot, J. (1999): Applications of Remote Sensing Data for Distributed Hydrological Modelling of Large Scale Afforested Areas in the Northern East Cape Province, South Africa.- Proceedings of the Conference on Tropical and Subtropical Agriculture and Forestry, Berlin, 14-15 Oct 1999. [full paper]

Helmschrot, J.(2008): Impact of human activities on wetland formation and functioning and its implication for wetland conservation in semiarid South Africa.- 8th INTECOL International Wetlands Conference, held in Cuiaba, Brazil, 20-25 July 2008. [abstract]

Helmschrot, J.,Müller Schmied, H. (2008): Assessment of climate change impacts on the hydrological functioning of wetlands and its implication for a sustainable water resources mangement in Thuringian catchments, Germany.- 8th INTECOL International Wetlands Conference, held in Cuiaba, Brazil, 20-25 July 2008. [abstract]

Helmschrot, J.,Berberoglu, S., Cetin, M., Donmez, C. Flügel, W.-A. (2008): Impacts of irrigation agriculture on water quality in mediterranaen coastal wetlands.- 8th INTECOL International Wetlands Conference, held in Cuiaba, Brazil, 20-25 July 2008. [abstract]

Helmschrot, J., Hochschild, V. (2008): African Wetlands - Monitoring and assessment of African deltas and coastal ecosystems based on TerraSAR-X data analysis.- Jahrestagung der Afrikagruppe deutscher Geowissenschaftler (AdG), 27./28. Juni 2008, Halle (accepted). [abstract]

Flügel, W.-A., Fey, M.V., de Clercq, W., Helmschrot, J. (2008): Assessment of dryland salinity dyanmics in the Sandspruit River Basin, Western Cape Province, South Africa.- Jahrestagung der Afrikagruppe deutscher Geowissenschaftler (AdG), 27./28. Juni 2008, Halle (accepted). [abstract]

de Clercq, W., Helmschrot, J., Fey, M.V., Flügel, W.-A., Krause, P. (2007): A scale integrated hydrological approach to redefine dryland salinity behaviour in South Africa.- Annual Meeting of the Africa group of German Geoscientists (AdG), 6./7. July 2007, Potsdam, Germany.

Helmschrot, J., Dahlke, H.: (2007): Multi-indicator approach for wetland characterization and change analysis. A case study from semiarid South Africa.- 28th Annual International Wetlands Meeting of the Society of Wetland Scientists, 10-15. Juni 2007, Sacramento, USA (angenommen). [abstract]

Müller Schmied, H., Helmschrot, J., Vogt, M., Flügel, W.-A. (2007): Hydro-ecological characteristics and dynamics of a cascading wetland system in central Germany.- 28th Annual Internati-onal Wetlands Meeting of the Society of Wetland Scientists, 10-15. Juni 2007, Sacramento, USA (accepted). [abstract]

Helmschrot, J., Hochschild, V. (2007): African Wetlands - Monitoring and assessment of African deltas and coastal ecosystems based on TerraSAR-X data analysis.- 28th Annual International Wetlands Meeting of the Society of Wetland Scientists, 10-15. Juni 2007, Sacramento, USA (angenommen). [abstract]

Müller Schmied, H., Helmschrot, J., Vogt, M., Flügel, W.-A. (2007): Hydro-ecological studies in cascading, riparian wetland systems in the Thuringian Forest, Germany.- General Assembly of the European Geosciences Union (EGU), Session HS23 - Hydrological, chemical and biological processes in rivers and riparian zones, 15.-20. April 2007, Vienna, Austria.

Helmschrot, J., Dahlke, H. (2006): Inventory and Monitoring of South African Wetlands Integrating Field Data, Earth Observation Data Analysis, and GIS-based Terrain Analysis. Globwetland Symposium 'Looking at wetlands from space', 19./20. Oktober 2006, Frascati, Italien.

Hochschild, V., Helmschrot, J. (2006): African Wetlands - Monitoring of Water Balance and Vegetation Dynamics in African Deltas and Coastal Ecosystems with TerraSAR-X Data. Globwetland Symposium 'Looking at wetlands from space', 19./20. Oktober 2006, Frascati, Italien.

Helmschrot, J. (2006): The effect of scales in wetland hydrological modeling and its implication for sustainable water resources management in semi-arid areas. "Catchments to Coast", 27th International Conference of the Society of Wetland Scientists and the Australian Marine Sciences Association Annual Meeting Cairns, 9-14 Juli 2006, Cairns, Australien.

Müller Schmied, H., Helmschrot, J. (2006): Characterization and hydrological functioning of man-made wetland patches and shallow ponds in the Thuringian Forest, Germany. "Catchments to Coast", 27th International Conference of the Society of Wetland Scientists and the Australian Marine Sciences Association Annual Meeting Cairns, 9-14 Juli 2006, Cairns, Australien [poster] --> ausgezeichent mit dem Honorable Poster Presentation Award der SWS.

Scheffler, C, Bäse, F., Krause, P., Helmschrot, J., Biskop, S. (2006): Anforderungen an hydrologische Modelle für ein nachhaltiges Wasserressourcenmanagement in semiariden Einzugsgebieten Südafrikas. Jahrestagung der Afrikagruppe deutscher Geowissenschaftler, 23/24 Juni 2006, Würzburg, Deutschland.

Bäse, F., Helmschrot, J., Müller Schmied, H., Krause, P. (2006): Die Auswirkungen von Landnutzungsänderungen auf die hydrologische Dynamik im semiariden Einzugsgebiet des Tsitsa, Südafrika Jahrestagung der Afrikagruppe deutscher Geowissenschaftler, 23/24 Juni 2006, Würzburg, Deutschland.

Lorentz, S., Bursey, K., Helmschrot, J., Flügel, W.-A. (2006): Use of simple hydrological response functions in hillslope transects containing forest and wetland patches in the Eastern Cape Province, South Africa. EGU General Assembly 2006, held in Vienna, Austria, 2-7 April 2006.

Helmschrot, J. (2006): The influence of afforestation on wetland hydrology: An integrated modeling approach. "1. Annual Chapter Meeting of the SWS Europe", held in Bangor, Wales, 5-7 January 2006.

Helmschrot, J. (2005): Assessment of temporal and spatial effects of landuse changes on wetland hydrology: a case study from South Africa. "W3M Conference for wetlands: monitoring, modeling, management", held in Wierzba, Poland, 22-25 September 2005.

Helmschrot, J., Hilbich, C., Mäusbacher, R., Daut, G. (2005): A landscape-based model to characterize the evolution and recent dynamics of wetlands in the Umzimvubu headwaters, eastern cape, South Africa. "W3M Conference for wetlands: monitoring, modeling, management", held in Wierzba, Poland, 22-25 September 2005.

Helmschrot, J. (2005): Erfassung und Bewertung der raum-zeitlichen Auswirkungen von Landnutzungsänderungen auf die Dynamik von Feuchtgebieten im semi-ariden Südafrika. Afrikagruppe deutscher Geowissenschaftler (AdG), Jahrestagung 2005: "Geowissenschaftliche Afrikaforschung - ein Abenteuer?", Hamburg, Germany, 24./25. Juni 2005.

Helmschrot, J., Hilbich, C., Mäusbacher, R., Daut, G. (2005): Geophysikalische und sedimentologische Untersuchungen zur Entstehung und Ausprägung von Feuchtgebieten im semi-ariden Südafrika. Afrikagruppe deutscher Geowissenschaftler (AdG), Jahrestagung 2005: "Geowissenschaftliche Afrikaforschung - ein Abenteuer?", Hamburg, Germany, 24./25. Juni 2005.

Helmschrot, J., Flügel, W.-A. (2005): Integrated modeling of landscape dynamics and their temporal and spatial effects on wetland hydrology: A case study from South Africa. 26th Annual International Wetlands Meeting of the Society of Wetland Scientists, held in Charleston, South Carolina, 5-10 June, submitted and accepted. [abstract]

Hilbich, Ch., Helmschrot, J., Mäusbacher, R., Daut, G. (2005): Geophysical and sedimentological studies to model wetland evolution in a landscape perspective: A case study from South Africa. 26th Annual International Wetlands Meeting of the Society of Wetland Scientists, held in Charleston, South Carolina, 5-10 June, submitted and accepted. [abstract]

Helmschrot, J., Flügel, W.-A. (2005): Evaluation of wetland dynamics in changing landscapes: a case study from South Africa. International Conference "Multifunctionality of Landscapes - Analysis, Evaluation, and Decision Support", 18./19. May 2005, Gießen. submitted and accepted. [abstract]

Helmschrot, J. (2004): An integrated approach to model wetland dynamics in a changing landscape: A case study from South Africa. Workshop on "Integrated Water Research and Water Management for postdocs or advanced graduate students", 28./29. Juni 2004, Haydau.[abstract]

Helmschrot, J., Dahlke, H. (2004): A GIS-based terrain analysis approach for inventory of wetland in the semi-arid headwaters of the Umzimvubu basin, South Africa 1th Göttingen GIS & Remote Sensing Days, Environmental Studies, 7./8. Oktober 2004, Göttingen. submitted.[abstract]

Helmschrot, J., Markstrom, S., Viger, R. (2004): A physically-based modelling approach to simulate wetland dynamics in a changing environment: a case study from South Africa.- 7th INTECOL International Wetlands Conference, held in Utrecht, The Netherlands, 25-30 July, submitted and accepted.[abstract]

Helmschrot, J, Dahlke, H., Flügel, W.-A. (2004): Development of a GIS-based terrain analysis approach for the classification and delineation of different types of palustrine wetlands in South Africa.- 7th INTECOL International Wetlands Conference, held in Utrecht, The Netherlands, 25-30 July, submitted and accepted.[abstract]

Helmschrot, J., Müller-Schmied, H., Lorentz, S. & Flügel, W.-A. (2004): The hydrological modelling of wetland dynamics in a changing environment. A case study from South Africa.- 25th Anniversary Meeting of the Society of Wetland Scientists, held in Seattle, Washington, 18-23 July, submitted.[abstract]

Dahlke, H., Helmschrot, J., Behrens, T. & Flügel, W.-A. (2004): A GIS-based digital terrain analysis approach for the classification and delineation of freshwater wetlands in South Africa. - 25th Anniversary Meeting of the Society of Wetland Scientists, held in Seattle, Washington, 18-23 July, submitted.[abstract]

Dahlke, H., Helmschrot, J., Flügel, W.-A. (2004): Terrain-based classification and delineation of freahwater wetlands in the semi-arid environment of the Eastern Cape, South Africa. - 1st General Assembly of the European Geosciences Union (EGU), held in Nice, France, 25 - 30 April 2004, Session HS7 - Spatial analysis and landscape discretisation for catchment modelling, submitted and accepted.[abstract]

Helmschrot, J., Flügel, W.-A., Mäusbacher, R. (2003): Impact of land use changes on the hydrological wetland dynamics within a basin perspective using an integrated approach.- Wetlands 2003: Landscape Scale wetland assessment and Management, National Symposium of the Association of State Wetland Managers, held at Nashua, NH, USA, 20-24 Oct 2003. [abstract]

Helmschrot, J., Flügel, W.-A., Mäusbacher, R. (2003): Entwicklung eines integrierten Landschaftsmodells für die Entstehung, Ausprägung und Dynamik von Feuchtgebieten und dessen Bedeutung für die Wasserhaushaltsmodellierung semi-arider Einzugsgebiete.- Afrikagruppe deutscher Geowissenschaftler (AdG), Jahrestagung 2003: "Geoprojekte und deren Nutzen für die Bevölkerung Afrikas", Bonn, Germany, 20./21. Juni 2003. [abstract]

Dahlke, H., Helmschrot, J., Flügel, W.-A. (2003): Ein integrativer Ansatz zur landschaftsbezogenen Typisierung von Feuchtgebieten im Einzugsgebiet des Umzimvubu, Ostkap-Provinz, Südafrika.- Afrikagruppe deutscher Geowissenschaftler (AdG), Jahrestagung 2003: "Geoprojekte und deren Nutzen für die Bevölkerung Afrikas", Bonn, Germany, 20./21. Juni 2003. [abstract]

Helmschrot, J. (2003): Impact of land use changes on the hydrological dynamics of wetlands in the semi-arid environment of the Eastern Cape Province, South Africa.- International Conference on the Conservation on Wetlands: Conflict or Compromise, Colombo, Sri Lanka, 16 - 19 January 2003.

Helmschrot, J. (2001): Land use characterization and change detection analysis for hydrological model parameterisation of large scale afforested areas using remote sensing.- XXVI General Assembly of the European Geophysical Society, Nice, France, 25 - 30 March 2001.

Helmschrot, J. (2000): Distributed Hydrological Model Parameterization of Large Scale Afforested Areas in the North East Cape Province, South Africa.- Int. Workshop "Runoff Generation and Implications for River Basin Modelling", 9 - 12 October 2000, Freiburg/Br., Germany.

Lorentz, S., Hickson, R., Flügel, W.-A., Helmschrot, J. (1999): Hillslope and nested catchment monitoring on Molteno formations of the north-eastern Cape Province, South Africa.- XXIV Gen. Assembly of the Eurepean Geophysical Society, April 1999, Nice, France.

Helmschrot, J., Ebert, A. (2003): Development of a toolset to classify land use/land cover using an object-oriented approach and its application to Landsat ETM data. A case study from the Ruhuna Basin, Sri Lanka.- Final report to IWMI, 01-06/2003, 95p. & Appendices.

Helmschrot, J., Flügel, W.-A. (2003): Impact of large scale afforestation on hydrology of a river basin in South Africa using satellite imagery, GIS-analysis and hydrological catchment modelling.- Final Report to the Forschungszentrum Juelich, Proj.-No. 39.6.F5A.6.A, 1997-2002, 78p.

Helmschrot, J., Flügel, W.-A. (2001): Auswirkungen von großflächigen Aufforstungen auf die hydrologische DYnamik von semi-ariden Mittelgebirgseinzugsgebieten in der Nordost-Kapprovinz von Südafrika.- Ein integrierter Ansatz von Fernerkundung, GIS-Analysen und regionaler Modellierung unter besonderer Berücksichtigung der reliefgesteuerten Interflowdynamik. Abschlußbericht an die VW-Stiftung, Az. I/72 821, 1997-2001, 136 S. und Anhang.

Helmschrot, J. (2006): An integrated, landscape-based approach to model the formation and hydrological functioning of wetlands in semiarid headwater catchments of the Umzimvubu River, South Africa. Friedrich-Schiller-Universität Jena, Dissertationsschrift, 278 S.

Ebert, A, Helmschrot, J. (2004): An object-oriented classification approach for land use analysis of the Ruhuna Basin, Sri Lanka using Landsat ETM data. eCognition Application Note, Vol. 5. [application note]

Helmschrot, J. (1999): Integration von Fernerkundung, GIS und empirischer Geländeaufnahme zur Parametrisierung physiographischer Faktoren für die distributive hydrologische Modellierung. Eine Fallstudie im semiariden Flusseinzugsgebiet des Umzimvubu, Ostkap Provinz, Südafrika. Diplomarbeit am Institut für Geographie der Friedrich-Schiller-Universität Jena (unpubl.).