HYDROINFORMATICS contribution to River Restoration

Transcription

1 t HYDROINFORMATICS contribution to River Restoration sharing knowledge-based tools and technologies for international cooperation Prof Arthur E Mynett Head Strategic Research & Development WL Delft Hydraulics Professor of Environmental Hydroinformatics UNESCO-IHE Delft 1 / 40

2 t HYDROINFORMATICS contribution to River Restoration sharing knowledge-based tools and technologies for international cooperation Prof Arthur E Mynett Chairman Joint Committee on Hydroinformatics 2 / 40

3 t HYDROINFORMATICS the application of information and communication technologies (ICT) in hydroscience and engineering International Hydroinformatics Conferences: Delft - Zurich - Copenhagen - Iowa - Cardiff - Singapore - Nice / 40

4 t safety against flooding in the Netherlands 4 / 40

5 requires integrated river basin approach scheldt meuse catchment area rhine 5 / km

6 6 / 40 similar to Mekong / Asia...

7 7 / 40 7 / number of high Rhine discharges per 50-year periods (> 9000 m 3 /s) periode Aantal afvoeren > 9000 m3/s

8 also, hydrograph is changing... 3 afvoer (m /s) / / 40 dagen... larger volume in shorter time

9 urban development Arnhem / 40

10 urban development Arnhem / 40

11 11 / 40 similar bottleneck at Nijmegen

12 need for new concepts common EU + ASIA share 12 / 40

13 Statement by Queen Beatrix, Opening of Parliament, Sept (1) To achieve real sustainable development, economic growth must go hand in hand with careful management of the environment, our living space and nature and. 13 / 40

14 investing in a green infrastructure is essential for creating a high standard living and working environment 14 / 40 Statement by Queen Beatrix Opening of Parliament, Sept (2)

15 juu-yoko yoko-gou-o-seisu 15 / 40 soft methods often get the better of brute force...

16 16 / 40 developing Green River concept

17 17 / 40 new concepts: dike relocation

18 18 / 40 new concepts: de-poldering

19 19 / 40 new concepts: river restoration

20 widening flood plains 20 / 40 allowing room for the river

21 enhancing cyclic rejuvenation CONTENTS Introduction Cyclic Floodplain Rejuvenation Case-studies Waal Flume experiment Cyclic Rejuvenation 21 / 40 Martin Baptist 21

22 need for new concepts common EU ASIA share 22 / 40

23 coupling hydro-sciences + meteo-sciences real time monitoring systems rainfall intensity radar measurements advanced hurricane tracking flood early warning systems to deal with climate change 23 / 40

24 24 / 40 EU Flood Forecasting / Early Warning

25 EFFS European Flood Forecasting System 25 / 40

26 EFFS partners European Flood Forecasting System WL Delft RIZA DHI SMHI DWD Univ Lancaster Univ Bristol ECMWF GRDC 26 / 40 JRC Ispra Univ Bologna

27 suggestion: AFFS partners develop ASIAN Flood Forecasting System 27 / 40

28 using EnKF for improved prediction measurements H(t) Rhine Basin Q(t) 28 / 40

29 increasing lead time & accounting for uncertainty 18 Water Level at Lobith Assimilation Period Forecast Period H (m) EKF Model without data Assimilation EnKF_100 EnKF_30 EnKF_10 meas Uncertainity Band (EKF) Uncertainity Band (EnKF_100) Uncertainity Band (EnKF_30) Uncertainity Band (EnKF_10) Time (days) 29 / 40

30 National Flood Forecasting System, England & Wales Environment Agency 30 / 40

31 31 / 40 Advanced Warning Reports at regional level

32 32 / 40 Advanced Warning Reports graphical display

33 33 / 40 similar to MRC web-based based warning system

34 using GIS for system integration... Precipitation Potential Evapo-transpiration Integrated over GIS Mekong Basin Land Cover Topography Geology International Mekong Conference Prof Kuni Takeuchi (IAHS) October 2004 Vientiane, Lao 34 / 40

35 ... and latest (EU) developments in open software standards 35 / 40

36 project drivers: EU Water Framework Directive need for integrated water management need for Decision Support Systems need for integrated environmental models need for a model linking mechanism Reservoir Flow Ecology Fish Tourism 36 / 40

37 EU-WFD WFD: : common water quality standard 37 / 40

38 ASIAN-WFD WFD: : common water quality standard? 38 / 40

39 common ASIAN-EU water quality standard?! 39 / 40

40 time to establish EU ASIA blue line thank you! 40 / 40