Rotterdam- the way people live among the floods

How Rotterdam manage the flood, very usefull

1. Highlights Flood management
in Rotterdam
Fourfold flood protection: sea, rivers, precipitation and groundwater
Corjan Gebraad
StrategyAdvisor
Urban Management Dept.

2. Dutch Delta
The Netherlands is a delta of 4
rivers: Rhine, Meuse, Schelde and
Eems
Below sea level: 26%
Above sea level: 29%
Outside dikes: 3%
Prone to flooding: 59%
More than 22.000 km of dikes
Coastline of 880 km
Rotterdam

3. Height map:
above (brown)
and below (blue)
sea level
Flood management: sea & river

4. Rotterdam:
polder area and
raisedgrounds
> 1000 pumpingstations: rainandsewagewater
has tobepumpedout

5. Storm surge barrier Maeslantkering

6. Regular
flooding of
quay’s

7. Primary (red) and secondary (blue) dikes and dams and barriers

8. 8
EU Green Week partner event
Eiland van
Brienenoord:
extension of
anexisting
tidalparc
(2020)
Nature basedsolutions
restoringgreen riverbanks

9. Every type of
landscape
has its own
type of bank
Every type of landscape it’sownbankprofile
Harbour landscape Higly urbanised landcape Riverlandscape

10. Average yearly precipitation Precipationwinter
Precipationspring
Precipationsummer
Precipationautomn
Flood management: urban drainage

11. ‘living with water’ principle
1998 Dutch 4
th
Water Management memorandum
past
now
Adapting & Mitigating Climate Change
11City as a sponge

13. Multifunctionalpublic space: waterplaza

14. Water storage in allsorts

15. Extended canal: waterstorage Kruisplein

16. 16
Rotterdam: 18.500.000m
2
of flat rooftops
Rooftop Landscape Program
Rooftoptypology
Greening& biodiversity
Water retention
Renewableenergy
Socialinteraction
Mobility
Living
Technical

17. Greeningon alllevels

18. RoofparkDelfshaven
Thank you
for your attention