Web Sites (31 - 40 of 408): Rivers

The Hydrologic Cycle: * - Water is the source of all life on earth. The distribution of water, however, is quite varied; many locations have plenty of it while others have very little. Water exists on earth as a solid (ice), liquid or gas (water vapor). Oceans, rivers, clouds, and...
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Korea Today * - facts about the nation's people, language, history, as well as the national flag, anthem, and flower.
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Medieval Sourcebook: Medieval European Geography Quiz * - European history requires some knowledge of European geography and so there will be map-based questions in your exams. For this assignment atlases are available in Library Reference Room of the Library. Other geographical information can be gathered from...
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Central Stoneroller - Typically, the central stoneroller lives in small streams in riffle areas (shallow water where the flow is broken by the stones and gravel on the streambed). It feeds at the bottom on tiny plants, insect larvae and mollusks.
Reviewer: K. Mortensen     .   .

Barbel - slender, long-bodied fish, the barbel has a characteristic high dorsal fin and two pairs of sensory barbels around its fleshy lips. It is a bottom-living fish, most active at night and at dusk, and feeds on insect larvae, mollusks and crustaceans. It is a...
Reviewer: K. Mortensen     .   .

Seattle Support Office * -
Source/Host: National Park Service     .   .

Runoff * - Rivers, lakes, and streams transport water from land to the oceans. Too much rainfall can cause excess runoff, or flooding.
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Ask-A-Geologist - Do you have a question about volcanoes, earthquakes, mountains, rocks, maps, ground water, lakes, or rivers? You can email earth science questions to: Ask-A-Geologist@usgs.gov.
Reviewer: J. Nicol     .   .

Black Flies -- Springtime's Biting Gnats * - Black Flies -- Springtime's Biting Gnats Black flies are not very common in most of Iowa, though a few samples and calls are received every year. Some years, however, we experience a marked increase in the number of calls about those !@#$%* gnats that bi...
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Many interesting animals live in and around rivers and streams. Here are just a few... - What is a dam? A dam is a man-made structure built across a river. Most dams are built to control river flow, improve navigation, and regulate flooding. However, some dams are built to produce hydroelectric power.
Reviewer: K. Mortensen     .   .