dsd-nl 2014 - nghs symposium - ewwatercycle, nick van de giessen, technische universiteit delft

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eWaterCycle

Nick van de Giesen (nick@citg.tudelft.nl)

eWaterCycle

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BIG data

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Hydrological Cycle

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eWaterCycle

eWaterCycle

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BIG data

Higgs Boson

Peter Higgs Francois Englert

Wikimedia

eWaterCycle

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BIG data

1 : 1,000,000,000,000

Higgs Boson

Wikimedia

eWaterCycle

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BIG data

World Wide Web

Higgs Boson

Sir Tim Berns-Lee

Wikimedia

eWaterCycle

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BIG data

Square Kilometer Array

Wikimedia

Hydrological cycle

eWaterCycle

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ECMWF

eWaterCycle MIKE SHE 1970’s

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eWaterCycle

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• Effective parameters

eWaterCycle

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• Effective parameters

• Locality

eWaterCycle Conceptual models

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eWaterCycle

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eWaterCycle PCR-GLOBWB

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eWaterCycle

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eWaterCycle

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Rainfall

eWaterCycle

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Rainfall

eWaterCycle

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Rainfall

eWaterCycle

1:3,000,000,000,000 !!

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eWaterCycle

Remote Sensing

Model

Ground Observations

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eWaterCycle

Remote Sensing

Model

Ground Observations

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eWaterCycle

Wim Bastiaanssen, eLeaf

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eWaterCycle

World

10,000 km

IBM Blue Gene: 100 T flops

Land

2*108 km2

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eWaterCycle

• 1 ha (SRTM) resolution

• 50 params

• 10 Flop/param

• Every 15’

• 100 T flop/s

• 10,000 ensembles in real time!

500 Flop/pix

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eWaterCycle

FLOPS vs Memory

http://www.southampton.ac.uk/~sjc/raspberrypi/pi_pictures.htm

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eWaterCycle

FLOPS vs Memory

http://www.southampton.ac.uk/~sjc/raspberrypi/pi_pictures.htm

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eWaterCycle

FLOPS vs Memory

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eWaterCycle

FLOPS vs Memory

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eWaterCycle

FLOPS

vs Memory

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eWaterCycle

FLOPS

vs Memory

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eWaterCycle

Memory

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Movie

More Info

www.eWaterCycle.org

nick@citg.tudelft.nl