KAIRAKU
From the global ocean conveyor to hydrothermal vents and coral bleaching — KAIRAKU lets you see and play with the physics, chemistry and biology of the ocean on iOS and Android.
Built-in Simulators
Thermohaline Circulation
The planetary belt — warm surface currents poleward, cold sinking branches returning along the deep.
Wind-driven Surface Flow
Wind stress vs. Coriolis. Watch the spiral and the 90-degree Ekman transport build with depth.
Vertical Structure
Polar, temperate or tropical, summer or winter — switch and see temperature, salinity and density curves.
Black Smoker
A 350°C chimney at the ridge, plus a chemosynthetic community of tube worms that scales automatically with temperature and flow.
Trophic Levels
Phytoplankton to apex predator with the ~10% ecological efficiency made visible by log-scale boxes.
Phytoplankton Dynamics
Light, nitrate and grazing in a simple NPZ-style model. Watch biomass rise, peak and fall.
Lunar & Solar Pull
Two bulges, an orbiting Moon, a fixed Sun and the resulting spring/neap tide cycle.
Shoaling & Breaking
Adjust offshore wavelength, height and sea-floor slope; the wave shortens, grows and breaks at H/h ~ 0.78.
Temperature & pH
Push SST above the threshold or drop pH below 7.95 and watch the colony go from healthy to bleached to dead.