The Tidal Elbe Concept Sustaining the Tidal River Seaport of Hamburg

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1 The Tidal Elbe Concept Sustaining the Tidal River Seaport of Hamburg 7 th international SedNet event 8. April 2011, Venice

2 Wadden Sea North Sea MSFD Schleswig-Holstein Tidal Elbe Natura 2000 Lower Saxony Hamburg WFD Waterway Federal Administration HPA 2

3 Prologue: Inland-Seaport saves CO km inland: 679 t CO 2 saved/containervessel *! * compared to trucks 3

4 1 2 3 Hamburg 4 Waterway Federal Administration HPA 4

5 1 The Mouth 5

6 2 Kiel Canal and Brunsbüttel Manfred Meine 6

7 3 Islands and Channels

8 4 The City and Port of Hamburg The Tidal Elbe: The Port of Hamburg

9 4 The City and Port of Hamburg The Tidal Elbe: The Port of Hamburg 3 rd in Europe 72 km 2 275,000 Jobs in Germany 7,9 mio. TEU / 121 Mio. t in 2010 (30 % dedicated to Hamburg region) 12,4 mio. TEU in 2015 expected Fairway depth m deepening 14,50 m on its way but: maintenance dredging is crucial

10 Incentive: Dredging hit Maximum in 2004 Development of Dredged Material within the Port and the River Elbe in Hamburg Sand Relocation to North Sea Land Treatment Dredged Material in Sum Relocation in Hamburg Headwater Dredged Material [m 3 ] why? Headwater Discharge [m 3 /s]

11 Estuaries are changing and they are being changed 11

12 Changing Estuary: Land Reclamation and Dykes >> Today 97% without tidal Influence 12

13 Changing Estuary: Tidal Range and Measures 13

14 Changing Estuary: Water Level mthw und mtlw 1900 Water level in 1900 mthw und mtlw 2000 Water level today

15 Changing Estuary: Tidal Pumping 15

16 Changing Estuary: Tidal Pumping Nachteilige Veränderung: Verlandung silting up of anabranches and embankments More sedimentation in Port and fairways Manfred Meine 16

17 Changing Estuary: Sea Level Rise Scenarios Climate Change: sea level rise will increase gradient of Elbe water levels 17

18 Changing Estuary: Headwater Discharge Climate Change: Less Rainfall in Summer? Jan Apr Aug Dec 18

19 Climate Change and Sediment Management + = 19

20 Historical Contamination: Sediment Trap Port of Hamburg Havel Tidal Elbe Zn TBT Hamburg Schwarze Elster Mercury Dresden Sediment Trap Port of Hamburg Saale PCB, HCB Mulde Dioxins/Furans Prag Czech Rep. DDX, PAH 20

21 Fixing the Estuary: The Tidal Elbe Concept Three Cornerstones for a Future Action Plan: 1. Attenuation of the Tidal Energy through River Engineering in the Mouth of the Estuary, 2. More Room for the River (Tidal Volume) in the upper Part 3. Optimisation of the Sedimentmanagement considering the whole System of the Elbe 21

22 3) Sediment Management: Port of Hamburg E L Dewatering Francop METHA Feldhofe JV Dredged Material in m³ (BASSIN) Relocation Land Treatment North Sea E3 Neßsand Land Treatment Sand

23 3) Sediment Management: New Strategy New Old Relocation Scheme

24 3) Sediment Management: Catching Sediments Pilot Measure: Sediment Catchment Basin Monitoring >>

25 3) Sediment Management: source remediation Havel Zn Hamburg Hamburg takes part Schwarze and Elster Mercury sponsors remediation projects in the Dresden Elbe catchment area Saale PCB, HCB Mulde Dioxins/Furans Prag Czech Rep. DDX, PAH 25

26 2) Tidal Volume: Cleaning up the Port 26

27 2) Tidal Volume: Scenarios for Hamburg

28 2) Tidal Volume: Pilot Project Spadenlander Busch ca km 2 former Spoil Area mean surface level +5,50 m NN

29 2) Tidal Volume: Pilot Project Spadenlander Busch

30 2) Tidal Volume: creating Tidal Landscapes 30

31 2) Tidal Volume: Tidal Polder and Storm Surge Relief Future: realized shallow water area at mthw

32 2) Tidal Volume: Tidal Polder and Storm Surge Relief Future: realized shallow water area with lowered polder flap at mthw

33 2) Tidal Volume: Tidal Polder and Storm Surge Relief Future: realized shallow water area with raised polder flap shortly before peak-level

34 2) Tidal Volume: Tidal Polder and Storm Surge Relief Future: realized shallow water area with lowered polder flap at peak level

35 1) Taming the Tide: River Engineering in the Mouth Further investigation / research is needed Soil Sampling idea already incorporated in the present fairway deepening by specific deposition of dredged material in dedicated areas with potential to decrease current velocities Geophysical Tests Drillhole Probing Water Sampling 35

36 1) Future Scenarios for the Mouth today eroding sandbanks STUDIO URBANE LANDSCHAFTEN Ohrt v. Seggern und Partner Im Auftrag von HPA

37 1) Future Scenarios for the Mouth future Stabilisation / nourishment of sandbanks STUDIO URBANE LANDSCHAFTEN Ohrt v. Seggern und Partner Im Auftrag von HPA

38 1) Future Scenarios for the Mouth future Long term development of dams STUDIO URBANE LANDSCHAFTEN Ohrt v. Seggern und Partner Im Auftrag von HPA

39 1) Future Scenarios for the Mouth future Foundation for new dykes Nature Protection STUDIO URBANE LANDSCHAFTEN Ohrt v. Seggern und Partner Im Auftrag von HPA

40 Working Together: Integrated Management Plan Gate to Waddensea Industry PORT Grassland Breeding- and Resting Birds Reed and Alluvial Forest Reed and Alluvial Forest Grassland Habitats City Connectivity PORT Grassland Birds Connectivity Twait Shad, Mudflats Hot Spot of Flora Diversity

41 Working Together: Expert Exchange TIDE

42 Manfred Meine Head of Tidal Elbe Project Hamburg Port Authority Neuer Wandrahm Hamburg Germany manfred.meine@hpa.hamburg.de

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