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eWaterCycle

Overcoming the challenge of locality using a community multi-model environment

Understanding water movement on a global scale is essential for society to predict floods, droughts and the effect of land use on water balance. However, large scale hydrology is difficult because from a hydrological point of view, every field, every street, and every part of the world is unique. We are able to understand and describe how water moves in these locations at a small scale, but due to the extreme spatial variability it is difficult to capture such processes at a global scale. We call this the curse of locality.

On top of this, existing hydrological models exist in a huge variety of programming languages, standards etc. which limits their re-usability and reproducibility.

With the eWaterCycle platform, we have developed a framework in which hydrological modellers can work together in a collaborative environment. In this environment, they can, for example, easily;

  • generate input data for their models from weather reanalysis (ERA5) or climate models (CMIP) using ESMValTool,
  • run models in an isolated and portable way using containers and grpc4bmi,
  • compare their model results with observation data from GRDC or USGS

Projects that contributed to eWaterCycle

Relevant software

Model plugins

Hydrological models are added to the eWaterCycle system as self-contained plugins. The following are currently available:

Participating organisations

Environment & Sustainability
Environment & Sustainability
Delft University of Technology
Deltares
Netherlands eScience Center
Utrecht University
Wageningen University & Research

Impact

Output

FAIRifying eWaterCycle

Author(s): Ronald van Haren
Published in 2019

Team

RH
Rolf Hut
Principal investigator
Delft University of Technology
NvdG
Nick van de Giesen
Principal investigator
Delft University of Technology
Ben van Werkhoven
Ben van Werkhoven
Senior eScience Research Engineer
Netherlands eScience Center
Bouwe Andela
eScience Research Engineer
Netherlands eScience Center
Fakhereh (Sarah) Alidoost
Fakhereh (Sarah) Alidoost
eScience Research Engineer
Netherlands eScience Center
Inti Pelupessy
Inti Pelupessy
eScience Research Engineer
Netherlands eScience Center
Jaro Camphuijsen
eScience Research Engineer
Netherlands eScience Center
Maarten van Meersbergen
Maarten van Meersbergen
eScience Research Engineer
Netherlands eScience Center
Niels  Drost
Niels Drost
Senior eScience Research Engineer, Programme Manager
Netherlands eScience Center
Peter Kalverla
eScience Research Engineer
Netherlands eScience Center
Stefan Verhoeven
Senior eScience Research Engineer
Netherlands eScience Center

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