EFDRR –NaturalHazardsand constructionsin the Göta river area · 2020. 2. 5. · County...

EFDRR –NaturalHazardsand

constructionsin the Göta river area

Ulf Gustavsson

County Administrative Boardof Västra Götaland

EmergencyManagement Department

ulf.gustavsson@lansstyrelsen.se

County Administrative Boardof

Västra Götaland

•49 municipalities

•1,5 million inhabitants

•17 % of Sweden’s

population

•66 inhabitants / square

kilometre

•24 000 square kilometre land

•6 percent of Sweden’s area

•240 kilometres north/south and

west/east

The County Administrative Board of Västra

Götalandis represented at eight locations

The County Administrative Board–

for a sustainablesociety

•Wecoordinateand promoteNational Governmentaction in

the County of Västra Götaland

•Wecontributeto the protectionof the individualcitizen

•Werepresentlegal security, efficiency, cooperationand a

holisticview

Nature

•All kinds of landscape –except high mountains

•In the county there are 4 200 lakes

•Approximately 450 nature reserves

•Four national parks: Tresticklan,

Djurö, Tivedenand Kosterhavet

Industries

•Petrochemical centre

•20 percent of food production

•Half of the fishery

•65 percent of refined fishing preparation

•Half of textile industry

•10 percent of forestry

•Centre for Swedish car production

Climateadoption at the County of

Västra Götaland

•Identifydifferent consequensesof flooding

•Coordinateduringfloods

•In cooperationwith otherauthoritiestakemeasuresto

reducethe consequenses

•Planningand trainingfor different kind of crisisand accidents

•Coordinatethe effortsof climateadaption in the county

Göta River dischargearea

Lake Vänern

•agriculturalarea, protected

by walls

•roads and railroads

•citiesand municipalities

•industriesand polluted

areas

•seatraffic, water resource

•Averagewaterlevel,

+44,3m

•Climateand vulnerability

report, +46,5m/ +47,4m

•Level2001-01-13,

+45,67m

Göta River

•water power plants

•averageflow, 550 m3/s

•max by permission, 1000m3/s

•2000/ 2001, 1200m3/s

•Climatechange3000m3/s ???

•sluices

•seatraffic, water resource

•roads, railrods

•risk of landslides

•industries, pollutedareas

•citiesand municipalities

•risingsealevel

Agreementwith Vattenfall

•approximatelyreducethe levelin

Lake Vänern with 40 cm.

•usingprognosison percipitation

•in a longterm thereare possiblya

needof othersolutions, like a canal

or tunnel from Lake Vänern to the

sea