GroMoPo Metadata for Dusseldorf SPRING model
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| Created: | Feb 08, 2023 at 3:48 p.m. |
| Last updated: | Feb 08, 2023 at 3:48 p.m. |
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| Sharing Status: | Public |
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Abstract
The application of the groundwater flow model SPRING to the city of Dusseldorf, Germany (217 km(2)) as part of a larger hydrological catchment area (708 km(2)) required developing a new, robust calculation scheme (RUBINFLUX) for groundwater recharge with a high spatial and temporal resolution. RUBINFLUX combines a novel approach for drainage from the unsaturated zone with proven hydrological components. The drainage is calculated as a natural exponential function using the difference between the actual storage and the water storage at field capacity without making use of the Richards equation. The simulated groundwater recharge values at each element of the groundwater mesh were used as the upper boundary condition. After transient calibration of the groundwater flow model against 871 observation wells, the transient variations of the groundwater levels at locations not influenced by river levels were accurately simulated. The integration of RUBINFLUX into SPRING has proved suitable for complex hydrological systems.
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