Sea-Level Change and Flood Risks at Estonian Coastal Zone

作者: Alar Rosentau , Merle Muru , Martin Gauk , Tõnis Oja , Aive Liibusk

DOI: 10.1007/978-3-319-49894-2_16

关键词: Urban planningFlood mythRepresentative Concentration PathwaysPhysical geographyClimate changeLand useFlooding (psychology)Coastal floodSea levelEnvironmental science

摘要: This paper reviews Estonian relative sea level, land uplift and coastal floods data provides sea-level scenarios risk assessment of flooding in urban areas for the twenty-first century. Considering present post-glacial rates global ocean level rise projections, long-existing trend lowering may very probably be replaced by a rising during By end century we project to c. 20 40 cm or 60 higher case International Panel Climate Change Representative Concentration Pathways (RCP) 4.5 RCP 8.5 scenario, respectively. The together with increased storm frequency decreased winter ice cover period will increase extent A significant affects four cities, Parnu, Kuressaare, Haapsalu Tallinn eight smaller towns. largest Estonia is recorded highest 275 2005. Calculations show that due impact predicted climate change certain weather conditions, Parnu affect up 400 above scenarious future flood limits are needed sustainable planning zone development rescue strategies.There already several use instruments laws adaptation, such as environmental assessment, restriction zones construction buffer areas. Flooding measures consist mapping national emergency plan. However, further integration issues into existing laws, strategies plans essential have targeted approach reducing vulnerability populated strengthening adaptive capacity system against change.

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