User Tools

Site Tools



A summary of publications can be found at Scholar (Google), ORCID or ResearchID. My profile is online at Research Gate and provides links to online papers for registered users. Publications are stored in a reference database, further references are found in reference databases (Zotero and Mendeley). References for current research projects are collected at Bibsonomy.


  • Ozgur Kisi, Hazi Mohammad Azamathulla, Fatih Cevat, Christoph Külls, Mehdi Kuhdaragh, Mehdi Fuladipanah, Enhancing river flow predictions: Comparative analysis of machine learning approaches in modeling stage-discharge relationship, 2024
  • Nina Krüger, Christoph Külls, Adriana Bruggeman, Christos Christofi, Groundwater recharge estimation in Mediterranean mountain environments by isotope profiles – Partitioning of macropore and matrix flow, 2024
  • Ibukun Ola, Carsten Drebenstedt, Robert M. Burgess, Martin Mensah, Nils Hoth, Christoph Külls, Remediating Oil Contamination in the Niger Delta Region of Nigeria: Technical Options and Monitoring Strategies, 2024
  • I. Ola, C. Drebenstedt, R. M. Burgess, M. Mensah, N. Hoth, P. Okoroafor, C. Külls, Assessing petroleum contamination in parts of the Niger Delta based on a sub-catchment delineated field assessment, 2024
  • M. Eliades, A. Bruggeman, H. Djuma, C. Christofi, C. Kuells, Quantifying Evapotranspiration and Drainage Losses in a Semi-Arid Nectarine (Prunus persica var. nucipersica) Field with a Dynamic Crop Coefficient (Kc) Derived from Leaf Area Index Measurements, 2022
  • Christos Christofi, Adriana Bruggeman, Christoph Kuells, Costas Constantinou, Hydrochemical evolution of groundwater in gabbro of the Troodos Fractured Aquifer. A comprehensive approach, 2020
  • Charalampos Doulgeris, Evangelos Tziritis, Vassilios Pisinaras, Andreas Panagopoulos, Christoph Külls, Prediction of seawater intrusion to coastal aquifers based on non-dimensional diagrams, 2020
  • Zehao Jin, Christoph Külls, FDM based OA-ICOS for high accuracy 13C quantification in gaseous CO2, 2020
  • Nina Krüger, Christoph Külls, Adriana Bruggeman, Marinos Eliades, Christos Christophi, Michali Rigas, Theodosia Eracleous, Groundwater recharge estimates with soil isotope profiles-is there a bias on coarse-grained hillslopes?, 2020
  • Amani Mahindawansha, Christoph Külls, Philipp Kraft, Lutz Breuer, Investigating unproductive water losses from irrigated agricultural crops in the humid tropics through analyses of stable isotopes of water, 2020
  • Evangelos Tziritis, Vassilis Aschonitis, Gabriella Balacco, Petros Daras, Charalampos Doulgeris, Maria Dolores Fidelibus, Elyes Gaubi, Moncef Gueddari, Cüneyt Güler, Fadoua Hamzaoui, others, MEDSAL Project-Salinization of critical groundwater reserves in coastal Mediterranean areas: Identification, risk assessment and sustainable management with the use of integrated modelling and smart ICT tools, 2020
  • Joseph Jobin, Christoph Külls, Matthias Arend, Marcus Schaub, Frank Hagedorn, Arthur Gessler, Markus Weiler, Application of a laser-based spectrometer for continuous in situ measurements of stable isotopes of soil CO 2 in calcareous and acidic soils, 2019
  • Anna Androvitsanea, Mohammad Fawzy, Johanna Fuchs, Christoph Jan Kuells, Henning Fahlbusch, Joachim Heiden, Hydrologische Bedingungen im Heraion von Samos vom 12. bis 8. Jh. v. Chr. und ihre Bedeutung für die wasserbauliche Infrastruktur, 2018
  • Gunther Ardelt, Christoph Külls, Horst Hellbrück, Towards intrinsic molecular communication using isotopic isomerism, 2018
  • M. Gaj, M. Beyer, J. Hamutoko, S. Uugulu, H. Wanke, P. Koeniger, C. Külls, C. Lohe, T. Himmelsbach, How do soil types affect stable isotope ratios of 2H and 18O under evaporation: A Fingerprint of the Niipele subbasin of the Cuvelai-Etosha basin, Namibia, 2014
  • JT Hamutoko, BS Mapani, R Ellmies, A Bittner, C Kuells, A fingerprinting method for the identification of uranium sources in alluvial aquifers: An example from the Khan and Swakop Rivers, Namibia, 2014
  • C. Külls, A. Nunes, M. Kölbel-Batista, C. Branquinho, N. Bianconi, E. Costantini, Integrated use of soil physical and water isotope methods for ecohydrological characterization of desertified areas, 2014
  • M.H. Mueller, A. Alaoui, C. Külls, H. Leistert, K. Meusburger, C. Stumpp, M. Weiler, C. Alewell, Tracking water pathways in steep hillslopes by $ delta$ 18 O depth profiles of soil water, 2014
  • S. Baram, Z. Ronen, D. Kurtzman, C. Külls, O. Dahan, Desiccation-crack-induced salinization in deep clay sediment, 2013
  • P.F. Davila, C. Külls, M. Weiler, A toolkit for groundwater mean residence time interpretation with gaseous tracers, 2013
  • J. Klaus, E. Zehe, M. Elsner, C. Külls, J.J. McDonnell, Macropore flow of old water revisited: experimental insights from a tile-drained hillslope, 2013
  • J. Garvelmann, C. Külls, M. Weiler, A porewater-based stable isotope approach for the investigation of subsurface hydrological processes, 2012
  • J. Klaus, E. Zehe, M. Elsner, C. Külls, J.J. McDonnell, Macropore flow of old water revisited: where does the mixing occur at the hillslope scale?, 2012
  • C. Külls, Rekonstruktion hydrologischer Extreme in der Namibwüste, 2012
  • S. Frey, C. K“u lls, C. Schlosser, New Hydrological Age-Dating Techniques using Cosmogenic Radionuclides Beryllium-7 and Sodium-22, 2011
  • J. Garvelmann, C. Külls, M. Weiler, A porewater – based stable isotope approach for the investigation of subsurface hydrological processes (discussion paper), 2011
  • G. Benito, R. Rohde, M. Seely, C. Külls, O. Dahan, Y. Enzel, Management of Alluvial Aquifers in Two Southern African Ephemeral Rivers: Implications for IWRM, 2010
  • C. Külls, J. Zabori, On the representation of hydrological processes in current SVAT schemes-comparison and perspective (Invited), 2009
  • C. Leibundgut, P. Maloszewski, C. Külls, Tracers in hydrology, 2009
  • E. Morin, T. Grodek, Y. Enzel, O. Dahan, G. Benito, C. Külls, Y. Jacoby, G. van Langenhove, M. Seely, Flood routing and alluvial aquifer recharge along the ephemeral arid Kuiseb River, Namibia, 2009
  • O. Dahan, B. Tatarsky, Y. Enzel, C. Külls, M. Seely, G. Benito, Dynamics of flood water infiltration and ground water recharge in hyperarid desert, 2008
  • I. Heidbuechl, C. Külls, Groundwater controls on flash flood shape and incidence, 2008
  • C. Külls, The WADE experience-twinning hydrological research and IWRM in European and Southern African drylands, 2008
  • C. Külls, Significant trends, underlying processes and indicators-the validation of hydrological change, 2008
  • J. Klaus, C. Külls, O. Dahan, Evaluating the recharge mechanism of the Lower Kuiseb Dune area using mixing cell modeling and residence time data, 2008
  • O. Dahan, Y. Shani, Y. Enzel, Y. Yechieli, A. Yakirevich, Direct measurements of floodwater infiltration into shallow alluvial aquifers, 2007
  • C. Külls, Large basins as isotopic monitors of hydrologic response in arid zones, 2007
  • C. Külls, Interaction between riparian phreatophytes, alluvial aquifers and channel processes, 2007
  • E. Zagana, M. Obeidat, C. Külls, P. Udluft, Chloride, hydrochemical and isotope methods of groundwater recharge estimation in eastern Mediterranean areas: a case study in Jordan, 2007
  • E. Zagana, C. Külls, P. Udluft, C. Constantinou, Methods of groundwater recharge estimation in Eastern Mediterranean - a water balance model application in Greece, Cyprus and Jordan, 2007
  • C. Külls, Indicators for the the distribution of flood recharge along ephemeral rivers, 2006
  • U. Tröger, C. L. Dias, J. R. Guillaumon, M. A. Iritani, C. Külls, G. Schuler, Remarks and new data about the recharge of the Guarani Aquifer System, 2004
  • T. Gaiser, M. Krol, H. Frischkorn, J. C. Araujo, Global Change and Regional Impacts, 2003
  • S. Voerkelius, C. Külls, M. Santiago, H. Frischkorn, L. Alves dos Santos Semrau, G. Heinrichs, M. M. Lopez Gil, Investigations on Water Management and Water Quality in Picos/PI and Taua/CE, 2003
  • E. Adar, C. Külls, MCMsf - Mixing-cell model for a steady flow MIG: Mixing-cell input generator. A short manual for installation and operation of MCMsf using the MIG mixing-cell input generator, 2002
  • C. Külls, Groundwater of the North-Western Kalahari, Namibia. Estimation of Recharge and Quantification of the Flow Systems, 2001
  • H. Klock, C. Külls, P. Udluft, Estimating recharge values using hydrochemical and geological data: A case study from the semiarid Kalahari, 2001
  • C. Külls, E. Adar, P. Udluft, Resolving patterns of groundwater flow by inverse hydrochemical modelling in a semiarid Kalahari basin, 2000
  • C. Külls, E. Salameh, P. Udluft, Assessing water supplies for irrigation - availability of natural resources and sustainability indices, 2000
  • C. Külls, Groundwater of the North-Western Kalahari, Namibia: Estimation of recharge and quantification of the flow systems, 2000
  • C. Külls, P. Udluft, Mapping the availability and dynamics of groundwater recharge. Part II: Case studies, 2000
  • H. Klock, C. Külls, P. Udluft, Estimation of relative recharge values for the northern Kalahari catchment, Namibia, 2000
  • P. Udluft, C. Külls, Mapping the availability and dynamics of groundwater recharge: Part I: Modelling techniques, 2000
  • E. Zagana, C. Külls, P. Udluft, Hydrochemie und Wasserhaushalt des Aliakmonas, 2000
  • S. Demuth, C. Külls, Probability analysis and regional aspects of droughts in southern Germany, 1997
  • C. Külls, C. Leibundgut, U. Schwarz, A. Schick, Channel infiltration study using dye tracers, 1994
  • C. Külls, Transmission Losses from Ephemeral Floods in Nahal Zin, Israel, 1994
/usr/www/users/uhydro/doku/data/pages/en/publications/start.txt · Last modified: 2024/04/29 18:28 by ckuells