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Modelling Tools: Supporting Water Authorities with Hydrology, Water Quality, and Climate Change Data Requirements

Introducing the HYPE Model for hydrological and nutrient predictions at various scales, including Sweden, the Baltic region, and Europe. Provides information needed for the EU's Water Framework Directive and offers tools for scenario evaluation and improving water quality.

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Modelling Tools: Supporting Water Authorities with Hydrology, Water Quality, and Climate Change Data Requirements

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  1. Modelling Tools: From Sweden to Pan-European Scales forEuropean WFD Data Requirements- support to water authorities regarding hydrology, water quality and climate change Dr. Chantal DonnellyHydrological Research GroupSwedish Meteorological and Hydrological Institute(SMHI)

  2. Berit Arheimer Summary • HYPE - delivers estimates of hydrological and nutrient variables at various scales: Sweden (20 km2)), Baltic region (400 km2)), Europe (120 km2) • Model delivers information required for the EUs WFD where measurements are not available. • Scenario Evaluation Tool, HOME-Water – evaluate effectiveness and economy of remedial scenarios to improve water quality. • Possibility to improve regional-scale results with local data and local expertise for local-scale use.

  3. Berit Arheimer Introducing the HYPE Model (Lindström et al. 2010) Hydrological Predictions for the Environment • New, daily time-stepping, hydrological model based on widely accepted hydrological concepts (SMHI/HBV) • Integrated modules for nutrient and conservative tracers Introduces the ability to model very large regions at high resolution simultaneously

  4. S-HYPE E-HYPE BALT-HYPE Berit Arheimer Large Scale Hydrological Model applications: • S-HYPE: all of Sweden, 17313 subbasins (ca 20 km2), Q, N, P • BALT-HYPE: Baltic Sea catchment, 5200 subbasins (ca 400 km2), Q, N, P • E-HYPE: Europe, 50000 subbasins (ca 100 km2), Q, possibly N & P

  5. Berit Arheimer Used for….. • Forecasting of variables • Scenario Assessments (Programmes of Measures) • Water Resource Assessments • Statistical Analysis of variables • Characterisation of Water Bodies Variables: Discharge , Specific Runoff, GW levels, lakes levels, snow depths Nutrient concentrations and loads (TN, TP, IN, ON, PP, SP, TOC)

  6. Berit Arheimer Medium resolution (400 km2), daily model of water variables (e.g. flow rates, soil moisture)and water quality variables (IN, ON, SP, PP) over entire Baltic Sea catchment E.g. Balt-HYPE:Hydrological and nutrient model of the Baltic Sea catchment WHAT? WHY? • Homogenous model (impartial platform), • Systematically implemented (easily run for new scenarios), • Evaluate remedial scenarios and climate scenarios for WFD and Baltic Sea Action Plan

  7. Berit Arheimer HOME Water A Scenario Evaluation Tool based on HYPE model applications to: • Compare results from different simulations • Analyse the economics of scenarios – cost effectiveness and total cost Currently available for S-HYPE, and soon for BALT-HYPE Currently used by local Swedish authorities and consultants for WFD and Baltic Sea Action Plan remedial action planning

  8. Berit Arheimer New Possibilities….. • Possibility to extract local sub-models from European model and fit to local conditions with local data = Local model for local WFD analyses • All data and internet tools available for Sweden: Also available for Europe ?

  9. Open Source HYPE Code and system at SMHI Berit Arheimer E-HYPE vision Local Hydrological information Local Processes and issues Local Processes and issues

  10. An open invitation: We are looking for local partners in Europe, interested in contributing to or using these tools for WFD information.Please contact us if you are interested, or simply if you would like more information! Thanks for your attention Chantal.donnelly@smhi.se

  11. Berit Arheimer What are we looking for now? • To form a team of developers with complementary focuses • We open up the code in search of exellence. • Look for local and EU needs – forming consortia.. • To form an operational base for the Hype system – a network of production capacities • Operational local use. • Team for an operational pan-European use. • To offer a base for downstream products • Operative platform to build applications and products on. • Close cooperation with end-users.

  12. Spatial fit: Long-term average (10 yrs) model model model observation observation observation Water discharge (mm) Correlation: 0.96 NSE R2: 0.92 Total Nitrogen Correlation: 0.94 NSE R2: 0.88 Total Phosphorus Correlation: 0.79 NSE R2: 0.59 Berit Arheimer S-HYPE: National scale tool

  13. Berit Arheimer High resolution (120 km2), daily model of water variables (e.g. flow rates, soil moisture)possibility of adding water qualityover the entire continent -uses readily available regional input data E-HYPE:Hydrological model of the European Continent WHAT? WHY? • Provide Europe wide analyses of current and future hydrological conditions • Provide local analyses where local models or measurements are unavailable • Ensemble member (compared with local and basin scale models, or as a harmonised reference model)

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