Geysers are natural hot springs that intermittently eject a column of water and steam into the air. They exist in many parts of the volcanic regions of the world such as Japan and South America…
(Encyclopedia) SevanSevansyĭvänˈ [key], lake, c.540 sq mi (1,400 sq km), NE Armenia, at an altitude of 6,280 ft (1,914 m); it is 324 ft (99 m) deep. The largest lake of the Caucasus, it is fed by…
(Encyclopedia) Central Valley project, central Calif., long-term general scheme for the utilization of the water of the Sacramento River basin in the north for the benefit of the farmlands of the San…
(Encyclopedia) PoopóPoopópōˌōpōˈ [key], salt lake, on the high plateau of W Bolivia. It is more than 11,000 ft (3,353 m) above sea level. Although it is Bolivia's second largest lake (965 sq mi/2,499…
(Encyclopedia) Owens, river, c.120 mi (190 km) long, rising in the Sierra Nevada, E Calif., SE of Yosemite National Park and flowing SE, to enter Owens Lake, near Mt. Whitney. Since 1913, at a point…
DEFENCESTOUGH ALPINESHIGH UP ON A HOSTXEROPHYTESHALOPHYTESFIND OUT MORESome plants have special features that help them to repel predators. Other plants can survive and even thrive in hostile…
A-B | C-G | H-S | T-Z ablation: The loss of snow cover from any snow or ice surface by melting, evaporation, or calving. abrupt climate change: Climate change…
Child's PlayWeatherEl Nio: The Grown-Up ChildThe Connection Between the Sea and the AtmosphereChild's PlayLa Nia: The Kid's Sister El Nio has always been associated with economic hardship along the…
COASTAL (NERITIC) ZONEOPEN OCEAN ZONESOCEAN CURRENTSTIDESWAVESFIND OUT MOREAbout 71 per cent of our planet’s surface is covered by oceans and seas. In order of size, the five great oceans are…
HOW DO RIVERS BEGIN? WHAT IS A RIVER’S LOAD? HOW DO RIVERS SHAPE THE LANDSCAPE? WHAT IS AN ESTUARY? HOW ARE DELTAS FORMED? LAKESFIND OUT MOREA river is a natural channel down which water flows to…
