Apparent motion of the Sun, seasons and climate zones
Why do the Sun's altitude and direction at noon change systematically throughout the year?
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GEOGRAPHY · 8 EXPLORATION STEPS
Formation of river landforms
Why does the shoreline of the Yangtze River at Zhenjiang keep shifting northwards?
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▶ Open 3D simulationYOUR EXPLORATION
One step, one new insight.
- 01
Explore the landscape model
- 02
V-shaped valleys in the mountains
- 03
River-valley cross-section
- 04
Alluvial fan
- 05
Outer and inner banks
- 06
River floodplain
- 07
Delta
- 08
Challenge: the flood season arrives
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Ocean currents: distribution and effects
Why did tens of thousands of toy ducks lost at sea drift to coastlines around the world?
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Ocean–atmosphere interaction: El Niño and La Niña
Why can unusually warm water in the eastern Pacific cause heavy rainfall along the Peruvian coast?
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