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Author Külls, C.; Jobin, J.; Weiler, M. openurl 
  Title Environmental analytics for water carbon management: enable WCM: Schlussbericht Type Report
  Year 2015 Publication Abbreviated Journal  
  Volume Issue (up) Pages  
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  Publisher Albert Ludwigs Universität, Professur für Hydrologie Place of Publication Editor  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number THL @ christoph.kuells @ Kuells2015environmental Serial 65  
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Author Udluft, P.; Dünkeloh, A.; Mederer, J.; Külls, C.; Schaller, J. openurl 
  Title Re-evaluation of the groundwater resources of Cyprus Type Report
  Year 2006 Publication Abbreviated Journal  
  Volume Issue (up) Pages  
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  Publisher Lefkosia Place of Publication Editor  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number THL @ christoph.kuells @ Udluft2006re Serial 66  
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Author Adar, E.M.; Külls, C. openurl 
  Title MCM sf–Mixing-cell model for a steady flow MIG–Mixing-cell input generator: A short manual for installation and operation of MCM sf using the MIG–mixing-cell input generator Type Report
  Year 2002 Publication Abbreviated Journal  
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  Notes Approved no  
  Call Number THL @ christoph.kuells @ adar2002mcm Serial 67  
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Author Stone, A.E.C.; Edmunds, W.M. url  openurl
  Title Naturally-high nitrate in unsaturated zone sand dunes above the Stampriet Basin, Namibia Type Journal Article
  Year 2014 Publication Journal of Arid Environments Abbreviated Journal  
  Volume 105 Issue (up) Pages 41-51  
  Keywords Kalahari, Namibia, Nitrate in the unsaturated zone, Stampriet Basin, Transboundary basin, Unsaturated zone recharge  
  Abstract Elevated groundwater nitrate levels are common in drylands, often in excess of WHO guidelines, with concern for human and animal health. In light of recent attempts to identify nitrate sources in the Kalahari this paper presents the first unsaturated zone (USZ) nitrate profiles and recharge rate estimates for the important transboundary Stampriet Basin, alongside the first rainfall chemistry records. Elevated subsurface nitrate reaches 100–250 and 250–525 mg/L NO3–N, with NO3–N/Cl of 4–12, indicating input above evapotranspiration. Chloride mass balance recharge rates range from 4 to 27 mm/y, indicating a vertical movement of these nitrate pulses toward the water table over multi-decadal timescales. These profiles are sampled from dune crests, away from high concentrations of animals and without termite mounds. Given low-density animal grazing is unlikely to contribute consistent spot-scale nitrate over decades, these profiles give an initial estimate of naturally-produced concentrations. This insight is important for the management of the Stampriet Basin and wider Kalahari groundwater. This study expands our knowledge about elevated nitrate in dryland USZs, demonstrating that it can occur as pulses, probably in response to transient vegetation cover and that it is not limited to long-residence time USZs with very limited downward moisture flux (recharge).  
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  ISSN 0140-1963 ISBN Medium  
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  Notes Approved no  
  Call Number THL @ christoph.kuells @ stone_naturally-high_2014 Serial 91  
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Author Rossetto, R.; Filippis, G.D.; Borsi, I.; Foglia, L.; Cannata, M.; Criollo, R.; Vázquez-Suñé, E. url  openurl
  Title Integrating free and open source tools and distributed modelling codes in GIS environment for data-based groundwater management Type Journal Article
  Year 2018 Publication Environmental Modelling & Software Abbreviated Journal  
  Volume 107 Issue (up) Pages 210-230  
  Keywords Free and Open Source Software, FREEWAT, Groundwater management, ICT, MODFLOW, QGIS  
  Abstract Integrating advanced simulation techniques and data analysis tools in a freeware Geographic Information System (GIS) provides a valuable contribution to the management of conjunctive use of groundwater (the world’s largest freshwater resource) and surface-water. To this aim, we describe here the FREEWAT (FREE and open source software tools for WATer resource management) platform. FREEWAT is a free and open source, QGIS-integrated interface for planning and management of water resources, with specific attention to groundwater. The FREEWAT platform couples the power of GIS geo-processing and post-processing tools in spatial data analysis with that of process-based simulation models. The FREEWAT environment allows storage of large spatial datasets, data management and visualization, and running of several distributed modelling codes (mainly belonging to the MODFLOW family). It simulates hydrologic and transport processes, and provides a database framework and visualization capabilities for hydrochemical analysis. Examples of real case study applications are provided.  
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  ISSN 1364-8152 ISBN Medium  
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  Notes Approved no  
  Call Number THL @ christoph.kuells @ rossetto_integrating_2018 Serial 92  
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