The Cloudburst Management Plan is a comprehensive flood prevention plan, which, when fully implemented, is intended to protect the city from flooding damages caused by extreme future rain events. Copenhagen realized that Cloudbursts were not a one-off occurrence; the threat compounds as harbor sea levels are predicted to rise one meter by 2110. Copenhagen has experienced major rainfall events in the past years. 26-9-2014 3 CLOUDBURST OVER COPENHAGEN 150 mm rain in 2-3 hours Large distribution in rain In 2011 the City of Copenhagen adopted the Copenhagen Climate Adaptation Plan xxvii, complemented by the Cloudburst Management Plan xxviii (2012) detailing the methods, priorities, and measures related to adaptation to extreme rainfall events. We can add more green, more urban nature, more recreational space, and add to the livability of the city. One of the largest, in 2011, caused damage totalling about DKK 6bn. 26-9-2014 2 • CLIMATE ADAPTATION PLAN - AND CLOUDBURST MANAGEMENT PLAN 14 th of August 2010 2nd of July 2011 14th of August 2011 31st of August 2014 . Cloudburst Management Plan, Copenhagan The 2011 event had been preceded by a 100-year storm in August 2010 and was hit again in 2014. The Copenhagen Cloudburst Management Plan 2012 is a blue-green stormwater management infrastructure, where rainwater is led to open spaces and other buffer areas during rain events until the drainage system has recovered its capacities and can take in that extra water. It includes 300 separate projects that are expected to run over the course of the next 20 years. The “Cloudburst Management Plan” addresses 8 central city catchments (Norrebro, Ladegards-aen and Vesterbro, Valby & Vanlose), encompassing a total area of 34 km². The City of Copenhagen developed a Cloudburst Management Plan in 2012, to combat the impacts of cloud bursts. Copenhagen has also drawn up a cloudburst plan, which outlines strategies and proposals for solutions to specific street-level problems caused by torrential downpours. Copenhagen Cloudburst Management Plan. 25-09-2014 2 2. september 2014 3 RISK MAP The game changer - July 2nd 2011 • High political attention (nationally and local) It includes 300 separate projects that are expected to run over the course of the next 20 years. The plan contains more than 300 project areas where measures have to be taken to reduce the pressure on the existing sewage system. The “Cloudburst Management Plan” addresses 8 central city catchments (Norrebro, Ladegards-aen and Vesterbro, Valby & Vanlose), encompassing a total area of 34 km². Results. Copenhagen - Cloudburst Management Plan - Project Implementation Challenges Like any other city located by the sea, Copenhagen will face particular threats as sea levels rise and heavy downpours hit the city with greater frequency and strength. The strategy addresses key issues of flood management and water quality, while seeking to create the greatest possible synergy with the urban environment. A key element in the Copenhagen Cloudburst Management Plan is the added benefits of the adaptation work. The result is the Copenhagen Cloudburst Formula, a flexible, universally adaptable model for mitigating increasingly common extreme flood events – or Cloudbursts – through Blue-Green solutions that integrate urban planning, traffic, and hydraulic analysis with sound investment strategies to improve the quality of cities’ Liveability. A “cloudburst” tool box of urban interventions, such as cloudburst boulevards, cloudburst parks, cloudburst plazas, provides the basis for a dynamic and multifunctional system. By creating a surface infrastructure with cloudburst streets and retention areas we also have the opportunity to create a better city. 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