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The Dutch Delta Approach. Introduction, background and overview by Marcel Stive Delft University of Technology Member of former Delta Committee. The Dutch Delta in NW Europe. The Netherlands is shaped by the alluvial deposits of Rhine, Meuse, Scheldt and Eems rivers.
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The Dutch Delta Approach Introduction, background and overview by Marcel Stive Delft University of Technology Member of former Delta Committee
The Dutch Delta in NW Europe The Netherlands is shaped by the alluvial deposits of Rhine, Meuse, Scheldt and Eems rivers. The Belgium and central Holland coasts are shaped by the pre-Holocene alluvial deposits of the Rhine, Meuse, Scheldt rivers by marine reworking. Delta Programme Commissioner
The Dutch Delta Afsluitdijk <-Eems Lake IJssel North Sea <-Rhine Germany <-Scheldt Belgium Meuse-> Delta Programme Commissioner
The Delta Under Pressure: challenges More/extreme storms? More/intense rainfall Increased river discharge + 10% Spatial developments Sealevel rise 20 cm/100y--> 50-100cm/100y Increased erosion Decreased river discharge - 60% Salt intrusion Subsidence 12cm/100yr Delta Programme Commissioner
The Delta Committee (2007-2008) The mandate The Netherlands government asked the Delta Committee to come up with recommendations on how to protect the Netherlands against the consequences of climate change on the short and the very long term. The Committee’s integrated vision embraced interactions with life and work, agriculture, nature, recreation, landscape, infrastructure and energy. Delta Programme Commissioner
Summary of Delta Committee report Twelve recommendations for the future The Delta Committee has developed an integrated vision for the future extending to 2100, and formulated 12 recommendations for the short and medium term. Scientific basis The Delta Committee sought scientific advice on a number of aspects, from a group of national and international experts. The mission is urgent The Netherlands must accelerate its efforts because the climate is changing rapidly and the economic, societal and physical stakes are high. Delta Programme Commissioner
Developing the Delta Programme • Two goals, three values • Safe now and in the future [2050-2100] • Fresh water supply guaranteed also in dry periods • Solidarity, flexibility, sustainability • For the people, profit and planet • Not as an answer to a disaster, but • to be sure that our choices are optimal • Annual update toparliament Delta Programme Commissioner
Present – 2015: ongoing implementation Ongoing programmes under the DP: • Flood Protection Programme / Weak Links in Coast • Organising safety on the basis of dune/dyke inspections • Room for the River / Meuse Projects • 90 projects along the river tributaries At the same time looking further ahead: • Preparing Delta Decisions Delta Programme Commissioner
Delta programme and 5 key decisions, 2014 • 3 national programmes: • Safety standards + program • Urban and spatial restructuring • Freshwater strategy +measures • 6 regional programmes Delta Programme Commissioner
After 2015: further developing and implementing Delta Works of the Future In search for innovative solutions • Building safety using nature (Rotterdam Port Extension and the Sand Engine, already under implementation) • Flood and drought early warning and monitoring dyke strength (remote sensing and in situ sensing sensors) • Smart solutions to separate fresh and salt water Delta Programme Commissioner
Ensuring a viable future:The five Dutch D’s • Delta Plan (2008) • Delta Programme (under development) • Delta Act (accepted by parliament, 2011) • Delta Fund (long term financing approx €1 billion/year) • Delta Commissioner (Wim Kuiken, in function) Delta Programme Commissioner