The GWSP would like to thank the following organisations for supporting the GWSP IPO:

German Ministry for Education and Research (BMBF )	Ministry of Innovation, Science, Research and Technology of the State of North Rhine-Westphalia (NRW )	Center for Development Research (ZEF )	University of Bonn (Uni Bonn )

The GWSP would like to thank the following colleagues for providing datasets:

• Joseph Alcamo
  Center for Environmental Systems Research (CESR), Kassel, Germany
  
• Joost-Jan Schrander
  UNESCO – Institute for Water Education
  
• Cathy Reidy and Christer Nilsson
  Umeå University, Landscape Ecology Group
  
• Bernhard Lehner, Petra Döll
  World Wildlife Found US
  
• Petra Döll
  Johann Wolfgang Goethe University, Frankfurt am Main, Germany
  
• Stefan Siebert (a), Petra Döll (a), Jippe Hoogeveen (b), and Karen Frenken (b)
  a) Institute of Physical Geography, University of Frankfurt/Main, Germany, b) Land and Water Division, Food and Agriculture Organization, Rome, Italy
  
• A.Y. Hoekstra
  University of Twente, The Netherlands
  
• A.K. Chapagain, Hoekstra A.Y. and H.H.G. Savenije
  UNESCO-IHE Institute for water education
  
• A.K. Chapagain and A.Y. Hoekstra
  UNESCO-IHE Institute for water education
  
• Charles J. Vörösmarty
  Water Systems Analysis Group, Complex System Research Center, Institute for the Study of Earth, Oceans and Space, University of New Hampshire, USA
  
• Water Systems Analysis Group
  University of New Hampshire, USA
  
• Water Systems Analysis Group
  University of New Hampshire (UNH)
  
• Dieter Gerten, Stefanie Jachner
  Potsdam Institute for Climate Impact Research
  
• a
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• 
  
  
• Stefan Siebert
  Institute of Physical Geography, University of Frankfurt (Main), Germany
  
• Robin Abell
  WWF United States
  
• Vladimir Smakhtin
  International Water Management Institute (IWMI)
  
• Vladimir Smakhtin
  International Water Manangement Institute (IWMI)
  
• Josef Reckman
  International Groundwater Resources Assessment Centre (IGRAC)
  
• Dominik Wisser
  Complex Systems Research Center (CSRC)
  
• 
  The National Snow and Ice Data Center
  
• CHRR User Service
  Columbia University
  
• ME
  MEOrg
  
• 
  National Geophysical Data Center (NGDC)
  
• Bernhard Lehner
  Department of Geography, Mc Gill University, Montreal, Canada
  

• AQUASTAT
  Global Information System on Water and Agriculture of FAO
  

The GWSP Digital Water Atlas is developed, maintained, and hosted at the GWSP International Project Office in Bonn, Germany

• Marcel Endejan, GWSP IPO
  Atlas concept, design, and  implementation
• Christophe Kohn
  Preparation of datasets and maps; preparation of data for the web-map service