The NASA/Goddard Space Flight Center Scientific Visualization Studio has released a very cool animation showing the Earth's water cycle over 25 days, based on real data. (Click on the image below to view the animation).
NASA explains:
Water regulates climate, predominately storing heat during the day and releasing it at night. Water in the ocean and atmosphere carries heat from the tropics to the poles. The process by which water moves around the earth, from the ocean to the atmosphere to the land and back to the ocean, is called the water cycle....
21 February, 2011