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Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Using the HydPy framework to develop, improve, ...
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Software configuration and development requires...
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
From research to practice
University‘s new HBV ...
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
HydPy
HBV LARSIM
Delft-FEWS
OpenDA
©Travis CI, ...
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Coding = documenting = testing
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Coding = documenting = testing
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
H-Land
H-Stream
L-Land
parameters
control
Tind
...
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Integration testing
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
HydPy-L-Land (LARSIM): ACKER
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Model configuration
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
Workflow configuration (for FEWS)
Using HydPy to combine hydrological
models in FEWS applications. 7/11/2018
To-do:
• increase the test coverage of currentl...
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DSD-INT 2018 HydPy framework for developing and sharing hydrological models and combine in Delft-FEWS applications - Tyralla

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Presentation by Christoph Tyralla (Björnsen Consulting Engineers) at the Delft-FEWS International User Days 2018, during the Delft Software Days - Edition 2018. 7 & 8 November 2018, Delft.

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DSD-INT 2018 HydPy framework for developing and sharing hydrological models and combine in Delft-FEWS applications - Tyralla

  1. 1. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 Using the HydPy framework to develop, improve, test, document, and share hydrological models, and to combine them in Delft- FEWS applications. Christoph Tyralla (RUB  BCE) Gordon Horn (RUB) Gernot Belger (BCE) Bastian Klein (BfG) Peter Krahe (BfG) Dennis Meißner (BfG) Ruhr-Universität Bochum Institute of Hydrology, Water Resources Management and Environmental Engineering Prof. Dr. rer. nat. habil. A. Schumann The German Federal Institute of Hydrology Department M2: Water Balance, Forecasting and Predictions 8/11/2018
  2. 2. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 Software configuration and development requires testing Setting up an automated test environment in the context of Delft- FEWS (using 'workflowTestRun') Using the HydPy framework to develop, improve, test, document, and share hydrological models, and to combine them in Delft-FEWS applications. Complex systems require testing on different levels! Large systems require test automation! Open systems require understandable tests! We require good tools for testing!
  3. 3. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 From research to practice University‘s new HBV idea: non-linear base flow 𝑄1 = 𝐾4 ∙ 𝐿𝑍 𝐺𝑎𝑚𝑚𝑎 1. just change the equation, 2. but code all other equations first 3. program IO for yourself 4. couple with a calibration algorithm 5. perform the analysis 6. write a paper 7. reprogram IO for others 8. get the model running in different contexts 9. add (at least a few) tests 10.write the documentation 11.choose a licence 12.deploy the model 13.write a FEWS adapter 14.…
  4. 4. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 HydPy HBV LARSIM Delft-FEWS OpenDA ©Travis CI, GmbH ©AppVeyor Systems Inc. Separation of concerns
  5. 5. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 Coding = documenting = testing
  6. 6. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 Coding = documenting = testing
  7. 7. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 H-Land H-Stream L-Land parameters control Tind EQB derived KB sequences inputs Glob PET fluxes ET0 states BoWa equations calc_et0 Version 1 Version 2 L-Stream L-Land Version 1 L-Land Version 2 base model vs. application model Model development
  8. 8. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 Integration testing
  9. 9. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018
  10. 10. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018
  11. 11. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018
  12. 12. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 HydPy-L-Land (LARSIM): ACKER
  13. 13. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 Model configuration
  14. 14. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 Workflow configuration (for FEWS)
  15. 15. Using HydPy to combine hydrological models in FEWS applications. 7/11/2018 To-do: • increase the test coverage of currently 93 % ! • perform a static code analysis ? • add beginner tutorials to the online documentation ! • release a FEWS-HydPy demo project ! • finish the OpenDA-HydPy wrapper ! • support High-Performance Computing ? • invite colleagues to apply HydPy and to implement their own models Thank you for your attention! Christoph Tyralla c.tyralla@bjoernsen.de https://github.com/hydpy-dev/hydpy https://hydpy-dev.github.io/hydpy/index.html

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