Gabriele Gönnert

Agency of Roads,

Bridges and Waters

Water in the City. The municipal point

Gabriele Gönnert

Water

• an adventure…

• economy ( Harbour and Tourism)

• living area-----

… but also as a task!!!

Hamburg: Storm Surge and Heavy rainfall

G1: Urban Flood Management

Storm Surge 1962

Storm Surge 1962

G1: Urban Flood Management

Storm Surge 1962

Storm Surge 1962

Cuxhaven

Hamburg

Storm surge on 03.12.1999 Storm surge on 03.12.1999

956

1095

TPZ

Hamburg at the Elbe River

110 km

Storm Surge and Rainwater

Flood Zone Area in Hamburg

without coastel protection:

ca. 342 km²

45 % of the metropolitan area of

Hamburg

326.000 inhabitans are living there

Water Body

Totalling 640,0 km

Navigable waters 57,4 km

Fleet/ Town Canal 3,1 km

Alster and channels 30,1 km

Bille and channels 24,2 km

Opening Up

Trabrennbahn in Farmsen

Rain Water Management: Water Place and flooding

Flooding

• Walls

• Retention basins

Storm Surge Defense: Technical

Gabriele Gönnert

8

Operative Protection: Risk communication

• media advisory

for storm surges, siren test run

• the Internet…

• flyer

Public Meeting: Implementation of Flooding Areas

9

Subject

Water Management and Storm Surge Protection

• Protection

• Communication

• Economy

• Environment

10

Interaction with the law

For example:

• Flood Directive

• Waterframework

New Project: Stuck

11

• Developing of Forecast

• Water Management

• Give the river room

• Controlled retention basin

• Reaction on environment

• Interaction Water Management and

environment

• Interaction with Demographic Change

Prof. Dr. Gabriele Gönnert, Gabriele.Goennert@LSBG.Hamburg.de

Thank you for Attention

Task in Meetings: GIS: Berechnung und Darstellung ÜSG

Beispiel: Kollau