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  • 1.
    Achberger, Christine
    et al.
    Göteborgs universitet.
    Chen, Deliang
    Göteborgs universitet.
    Rayner, David
    Göteborgs universitet.
    Nyberg, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety.
    Persson, Gunn
    SMHI.
    Future rainfall and flooding in Sweden: an integrative project to support climate-adaptation actions2013Conference paper (Refereed)
  • 2.
    Andersson, Jan-Olov
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety.
    Blumenthal, Barbara
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety.
    Nyberg, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety.
    Kartering av översvämningsrisker vid Vänern2013Report (Other academic)
    Abstract [sv]

    I denna studie genomfördes en översvämningskartering och -analys som utgick från fyra

    extrema vattennivåer i Vänern. Baserat på höjddata från den Nya Nationella Höjdmodellen

    (NNH) generades utbredningspolygoner med hjälp av GIS för de fyra översvämningsnivåerna.

    Överlagringsanalyser gjordes sedan med kartskikt för väg, mark och byggnader

    samt för vissa kommuner även befolkning för att urskilja vägsträckor, markområden,

    byggnader och boende inom översvämningsutbredningen vid de fyra nivåerna.

    Översvämningskartor togs fram i pdf-format och Google Earth-format. GIS-analysen har

    genererat kvantitativa data för översvämmade vägsträckor, markytor antal byggnader etc.

    Vidare har en objektsbaserad analys genomförts utifrån kartmaterial och kommunala data

    över sårbara anläggningar och funktioner. Resultaten har sammanställts kommunvis och

    för Vänerområdet i sin helhet i form av text, tabeller och diagram.

    Det som drabbas först vid en översvämning i Vänern är dels objekt som utifrån sina

    funktioner ligger vattennära t.ex. fritidsanläggningar, men även viktiga vägar som E18 och

    E45. Järnvägsträckan Göteborg-Karlstad-Stockholm översvämmas redan vid 100-årsnivån.

    Med stigande vattennivå drabbas allt fler objekt och samhällsviktiga funktioner. De städer

    som påverkas mest är Karlstad, Kristinehamn, Mariestad, Lidköping och Vänersborg.

    De direkta skadekostnaderna för en 100-årsnivå i Vänern har beräknats till 100-240 Mkr,

    där en möjlig vindeffekt kan ge ytterligare upp till 120 Mkr i skadekostnader. För en

    dimensionerande nivå skulle skadekostnaderna bli av en helt annan storleksordning och

    uppgå till ca 9,8 miljarder kr. Vid denna nivå skulle stora indirekta skador uppstå som vi

    inte har haft möjlighet att värdera ekonomiskt. De största kostnaderna kan kopplas till

    översvämmade byggnader.

    I en absolut jämförelse med Mälaren av kvantitativa data för översvämmade vägar,

    markområden och antal byggnader är konsekvenserna vid Vänern något lägre.

    Studien genomfördes på uppdrag av och i samarbete med

    Vänerkommunerna i samverkan om

    Vänerns reglering.

     

  • 3.
    Davies, Jessica
    et al.
    Lancaster University.
    Beven, Keith
    Lancaster University.
    Rodhe, Allan
    Uppsala universitet, Hydrologi.
    Nyberg, Lars
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Application of a Multiple Interacting Pathways model to a shallow hillslope hydrological tracing experiment at Gårdsjön, Sweden.2011In: Geophysical Research Abstracts, Vol 13, 2011Conference paper (Refereed)
  • 4.
    Evers, Mariele
    et al.
    University of Bonn , Germany.
    Nyberg, Lars
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety.
    Coherence and inconsistency of European instruments for integrated river basin management2013In: International Journal of River Basin Management, ISSN 1571-5124, E-ISSN 1814-2060, Vol. 11, 139-152 p.Article in journal (Refereed)
    Abstract [en]

    Large rivers are particularly under pressure due to multiple uses which often have severe impacts on ecosystems, or water quality and flow. Conflicting aims and a lack of integration and cooperation in planning and management are not beneficial to sustainable management. Important elements of integrated river basin management (IRBM) include both water quality aspects and floodplain and flood risk management. On the other hand, land use and land use planning are also both of great importance for sustainable river management. However, water management and land use planning are generally treated as two distinct issues in planning procedures and decision-making processes. Even water quality and flood risk issues are often handled by different authorities. Integrated management of transnational river basins is even more complicated and difficult. In Europe, there is a range of relevant Directives such as the Water Framework Directive, Floods Directive and Habitat Directive. This paper illustrates how these legal and planning instruments influence the IRBM of large rivers. It analyses the potential synergies of the goals outlined in the directives and various related measures. Coherent but also inconsistent aspects of IRBM are identified against six different dimensions: political intention, legal, geographical, management, socio-economic and sustainability. The analysis shows potentials for synergies but also potential inconsistencies. We show that directives must be carefully coordinated to ensure coherent management and that synergies and site-specific goals, such as target areas, are important for sustainable management. Possible methodologies are described. IRBM can be considered as one possible approach towards sustainable development by coordinating different policies.

  • 5.
    Evers, Mariele
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Nyberg, Lars
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Coherence and inconsistency of European instruments for integrated river basin management2011Conference paper (Refereed)
    Abstract [en]

    Room for the River projects increase the level of flood protection by enlarging theconveyance and reducing hydraulic roughness. As a consequence sediment transportcapacities are reduced as well, causing shoals and a reduced navigation channel. Thelarge number of Room for the River measures and European Framework Directive(WFD) measures, aiming at an increase of the ecological potential (e.g. sidechannels), will result in much dredging, if no structural measures are implemented.The expected amount of dredging will be too large to handle. Therefore research isexecuted to limit the dredging effort by executing mitigating measures. Old principlesof irrigation are given new attention to be applied to side channels and channelsbetween longitudinal dams and the river bank ('bank channels'). A new round ofnormalisation works may be necessary, to limit dredging activities. Boundaryconditions for river managemant are stopping autonomous bed degradation andeconomic sustainability of sets of measures that can cope with the hydromorphologicconsequences of the Room for the River and WFD measures

  • 6.
    Evers, Mariele
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety. Bonn University.
    Nyberg, Lars
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Svedung, Inge
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Reducing flood risk by integrative land use planning2012In: Proceedings of the 43rd ESReDA seminar on land use planning and risk-informed decision making. Saint-Étienne-du Rouvray, France, Oct 22-23, 2012, 2012Conference paper (Refereed)
  • 7.
    Nyberg, Lars
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Evers, Mariele
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    Dahlström, Margareta
    Karlstad University, Faculty of Social and Life Sciences, Department of Geography and Tourism.
    Pettersson, Andreas
    Karlstad University, Faculty of Social and Life Sciences, Centre for Climate and Safety.
    How to reduce flood risks in Lake Vänern - A sustainability perspective2012Conference paper (Refereed)
  • 8.
    Nyberg, Lars
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety.
    Evers, Mariele
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety. Bonn University.
    Dahlström, Margareta
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Department of Geography, Media and Communication.
    Pettersson, Andreas
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Centre for Climate and Safety.
    Sustainability aspects of water regulation and flood risk reduction in Lake Vänern2014In: Aquatic Ecosystem Health & Management, ISSN 1463-4988, E-ISSN 1539-4077, Vol. 17, no 4, 331-340 p.Article in journal (Refereed)
    Abstract [en]

    A modern feature of flood risk management is to integrate ecological, economic and social aspects in risk prevention and mitigation. Risk-reducing measures can be in conflict with ecosystem functions and complicate upstream/downstream relations. Flood risks are also influenced by processes in the catchment, such as changes in climate and land-use, or increases of vulnerable urban areas. Lake Vänern in Sweden has high ecological and social values but is also flood-prone, which in this article has been analyzed from a perspective of sustainable development. Lake Vänern and the Göta älv River are used for drinking water supply, shipping, hydropower production, fishing, tourism, as a recipient for industries and wastewater plants, etc. The flood risks are connected to landslide and industrial risks. One interest at stake is the drinking water supply for 800,000 persons in the Gothenburg region. According to climate scenarios, flood risks will increase in the 21st century due to increased precipitation. Recent studies in the region were used to identify relevant interests and values connected to Lake Vänern. The study reveals differing interests in relation to water level regimes. From a flood protection perspective (risks around the lake and downstream to Gothenburg) a low and stable water level is beneficial. For shipping and hydropower, a stable medium-high water level is wanted, whereas from an ecosystem and landscape development perspective larger water level amplitudes are optimal. One out of a few reasons for this is the need to prevent a massive increase in vegetation in coastal areas. There are good reasons to have a broad decision-support, representing different values and interests, when the permanent water regulation scheme will be decided. This study also addresses the potential to reconcile the concept of flood risk management with that of a sustainable development.

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