Some talks can be found on uhydro tubes.
Krüger, N.; Külls, C.; Bruggeman, A.; Eliades, M.; Christophi, C.; Rigas, M. & Eracleous, T.: Groundwater recharge estimates with soil isotope profiles-is there a bias on coarse-grained hillslopes?. In: EGU General Assembly Conference Abstracts., 2020, S. 9840
Külls C. (2019) Research perspectives for environmental tracers and stable isotope research. Invited talk, June 2019 (to be announced)
Külls, C. (2018) Environmental Isotope Techniques for Water Flow Accounting. ERANET conference, Amman.
Külls, C. (2017): Stable isotopes as indicators and early warning system for landfil pollution. IAHS 10.-14.7.
Külls, C., Bittner A., Kambinda W., Fawzy M. (2017): Integrated Water Management of Ephemeral Streams - A Dynamic Systems Approach. IAHS 10.-14.7.
Ibukun, O. & Külls C. (2017) Freshwater Security of Sub-Saharan Africa. IAHS 10.-14.7.
Külls, C. (2017): Water Security - A new concept for water management: Perspectives for Application in China. Talk given at ZUST in March/April 2017.
Juli 2016: Role of Environmental Engineers in Reaching Sustainable Development Goals – The Way Forward. ICER 2016, Lübeck.
18.1.2016, Fachhochschule Lübeck, Bauforum - im Rahmen der Open Faculty Lectures Water Security in Greater Middle East (and elsewhere)
03.11.2015, Windhoek, Namibia - GIZ Training “Water Accounting Methods”
Külls C. (2014) Advances in isotope techniques for resolving soil water and carbon fluxes. EUROPEAN SOCIETY for SOIL CONSERVATION, Imola (Italy), June, 23-26, 2014. Invited lecture.
Külls, C. et al. (2014) Integrated use of soil physical and water isotope methods for ecohydrological characterization of desertified areas. SSS2.2/BG2.14, European Geosciences Union, General Assembly 2014, Vienna, Austria, 27 April – 02 May 2014.
Külls C. (2013) The WADE project. European Federation of Geologists. Brussels, 23.11.2013.
Külls C. (2013) 'Leitbild' and indicators of Socio-Environmental Health. Global Risk Forum, Davos, 17.11. - 20.11.2013.
Külls C. & Bittner A. (2013) Passive barriers for long-term containment of Vanadium and Uranium. IMWA, Colorado, August 7-10. 2013 (accepted conf. paper)
Külls C., Bittner A. & Marx V. (2013) Strategic Assessment of Water Resources for the Erongo Uranium Province. IMWA, Colorado, August 7-10. 2013 (acc. conf. paper)
Külls C. (2013) Hydrologic Engineering and Strategic Water Resources Assessment - From Urban Systems to Regional Scale. (Lübeck)
Külls C. (2013) Water Resources Assessment for a National Water Resources Masterplan. Special emphasis on a Flood Protection Strategy. Invited talk to the Cabinet of the Minister of the Environment, Rwanda.
Külls C. (2013) Ecohydrological principles in economic models of water resources in drylands and desert restoration. Vortrag auf der 2. Wissenschaftlichen Tagung der UNCCD in Bonn / Germany. Link to session, abstract and talk on slide-share.
Külls C., Berkovicz S., Costantini E., Geissen V., Kvaerno S., Marton L., Ritsema C. (2013) Eco-hydrological perspective of desert restoration. UNCCD 2nd Scientific Conference 9-12 April 2013., Bonn, Germany; 04/2013. Link to the talk on slide-share.
Külls, C. (2011): Resilience of urban water supply systems to natural hazards and systemic risks EGU General Assembly 2011, 2011; 13: EGU2011-12627 (invited).
Frey S., Külls C. & Schlosser C. (2011) New Hydrological Age Dating Techniques using cosmogenic radionuclides Beryllium-7 and Sodium-22. IAEA-NAWEB Conf. Monacco. link to the slides
Kuells C. (2010) The role of irrigation techniques for adaptation and sustainable improvement of agro- and farm forestry. Tuesday, 5.1., 11-12.30 Seminar Room SR 103, Faculty of Forest and Environmental Sciences-Farm
Kuells C. (2009) Adaptation of Vegetation to Changes in Environmental Forcing. American Geophysical Union 2009, Session B18, Invited talk.
Kuells C. (2009) The role of hydrochemical data for water resources management. Talk a the Public Research Centre Henri Tudor, Technoport Schlassgoart, 66, rue de Luxembourg, P.O BOX 144, L-4002 Esch-sur-Alzette, Luxermbourg on Wednesday 21. October 2009.