Artificial Water Storage in Artificial Islands Marloes van Ginkel Theo Olsthoorn Deltas in Times of Climate Change II Rotterdam, 25 September 2014.

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Presentation transcript:

Artificial Water Storage in Artificial Islands Marloes van Ginkel Theo Olsthoorn Deltas in Times of Climate Change II Rotterdam, 25 September 2014

ASR Aquifer Storage Recovery MAR Managed Aquifer Recharge Artificial Subsurface Water Storage 2

Water Storage Seasonal storage Long-term storage Emergency storage Reclaimed water storage for reuse 3

Subsurface Storage Pros Multifunctional use of the area large space available land requirements are minimal Advantages for water quality Constant temperature, absence of sunlight heating and evaporation losses No mosquitoes or algal bloom Potential bacteriological purification and equalisation of the water quality 4 Requirements: Water Sandy soil Wells

Artificial Islands 5 Palm Jumeirah Dubai Maasvlakte II Rotterdam Eko Atlantic Lagos

Artificial Islands Constructed of sand Designed from scratch High water demands Limited freshwater resources High land prices 6

Water Demand 7

Water Supply Pipeline from the Main Land Seawater desalination Rainwater Harvesting Reuse 8

Construction from Scratch 9

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Closed system Clogging of filter bed and drainage pipe Maintenance is difficult Seepage pollutes the system 12

Partly open system Prevention of aerobic conditions Regular flushing Mixing Limit mixing with a homogeneous soil Density stratification Limit spreading with walls Limit buoyancy by layering 13

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Take Home Messages Artificial islands provide opportunities for water storage Building with nature to create optimal storage conditions 19 Contact me for more information Or visit our stand