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Finding answers in climate science simulation data
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Finding answers in climate science simulation data
DKRZ
German Climate Computing Center
Niklas Röber & Michael Böttinger
Deutsches Klimarechenzentrum GmbH
Hamburg, Germany
Simulation Data
Visiting Hamburg?
Visualization goals may vary, depending of what you would like to achieve ...
References & Sources
(1) http://www.wikipedia.com
(2) Peter Düben, Oxford
(3) http://www.gfdl.noaa.gov
(4) http://gagadaily.com
(5) http://www.widemann.de
(6) http://www.bull.com
Visualization Goals
- Data Analysis
- Understanding
- Communication
Visualization for
- Data Exploration
- Confirmation
- Presentation
(6)
Models
Experiments
Grids
Climate Model Intercomparison Project 5
- regular
- rectilinear
- curvilinear
- rotated
- unstructured
MPI-OM (ocean model)
HAMOCC (ocean carbon cycle)
ECHAM (Atmosphere)
JSBACH (Biosphere)
REMO (regional atmospheric model)
MITRAS / METRAS (micro- & mesoscale model)
ICON (atmosphere & ocean)
Climate System
Climate is a measure of the average pattern of variation in temperature, humidity, atmospheric pressure, wind, precipitation and other meteorological variables in a given region over long periods of time.
(1)
(2)
Steve Greaves "Wentworth Corn Field"
Paul Signac "The Pink Cloud (Antibes)"
MITRAS Model
MIcroscale Transport And Stream
EnvirVis 2013, UFZ Leipzig, Germany
Hamburger
Abendblatt
(4)
new simulation data ...
- scenario case (simulation with/without a group of new buildings)
- scalability tests with different wind directions and wind speeds
- the influence of the Coriolis force
- comparison with wind tunnel experiments
- the influence of trees
Behörde für Stadt und Umweltentwicklung Hamburg-Wilhelmsburg
(5)
Simulation / wind tunnel comparison
Visualization at DKRZ
Heterogeneous 3D graphics visualization cluster
DKRZ Visualization Infrastructure
- Remote Visualization Cluster (Software & Expertise)
- Video Lab
- Large 3D Powerwall
- Interactive Globe
- 12 high-end visualization nodes
(Server & Blade Linux systems)
- 1 to 2 Quadro GPUs per system
- Thinklogical fibre optics for local work
- SeaReal 3D displays
- TurboVNC and VirtualGL
IC N Model
ICOsahedral Non-hydrostatic
Vorticity
Concentration of thin Sea Ice
Vorticity
Sea Surface Height
Velocity (Magnitude)
Temperature Salinity
Sea Surface Height Temperature Salinity
Selection of only the strongest vortices using a scatterplot.
Selection of thin sea ice using salinity, temperature and ice concentration.
Correlation between salinity, sea surface height and temperature.
Salinity Temperature
Temperature Salinity Density
Visualization of dense and salty water in the ocean, especially at the circumpolar current and areas of deep water formation within the thermohaline circulation in the north Atlantic.
Hamburg, Germany