Related topics: climate change ยท ocean

How can we evaluate the quality of global water models?

A new international study has tested the extent to which global water models agree with one another and with observational data. Using a new evaluation approach, the research team, which includes IIASA researchers, can show ...

Biogeochemical insights from a major Amazonian river

Rivers provide water to billions of people and are critical linkages between continental ecosystems and oceans. Every run and every riffle reshape the surrounding landscape as a river transports nutrients and sediment downstream. ...

Satellites document effects of heat waves on plants

A new scientific study shows how periods of drought affect photosynthesis throughout the course of the day. The study found that plants in regions that are typically dry increase their CO2 intake during the morning hours ...

page 1 from 34

Water cycle

The water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the surface of the Earth. Since the water cycle is truly a "cycle," there is no beginning or end. Water can change states among liquid, vapor, and ice at various places in the water cycle. Although the balance of water on Earth remains fairly constant over time, individual water molecules can come and go.

This text uses material from Wikipedia, licensed under CC BY-SA