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I have science homework that is due tomarro.

2007-03-01 08:31:33 · 5 answers · asked by Lollipop 1 in Science & Mathematics Earth Sciences & Geology

5 answers

in the desert

2007-03-01 08:36:49 · answer #1 · answered by Anonymous · 0 0

Flashfloods are most likely to occur at the bottom of steep sided canyons and river valleys.

The "Flash" in flash flooding occurs because a large amount of water is rapidly funneled into a small area that is normally dry. Steep canyon walls, multiple mountain sides bordering the same valley, or desert dry streams are all likely places.

When rain either falls too quickly to be absorbed soil, or the ground in impereable (rock, clay, etc..) then the water must run off somewhere. When terrain features such as valleys and canyons then funnel all this run off into a confined area such as a dry streambed, you get a "flash flood".


Also, it is spelled 'tomorrow'.

2007-03-01 08:42:50 · answer #2 · answered by dukedingo 2 · 0 0

Low lying areas near creeks and rivers. It occurs when too much rain falls too fast and cannot 'run off' or be absorbed by the earth fast enough. Creeks blocked by sediment, rubbish, fallen tree parts, etc. can suddenly release torrents of water when the blockage no longer can hold the flow back and collapse, kind of like a dam or levee breaks.
The main cause of the trouble in Louisiana was when the levees broke, not directly from the hurricane. Note the Led Zeppelin song "When the Levee Breaks" there ain't no place to run. Ohh yeah Ohh yeah. The people should have been forcefully evacuated before they broke.

2007-03-01 11:12:03 · answer #3 · answered by Anonymous · 0 0

Flash floods usually occur in flat lying areas in dry riverbeds with nearby mountains. The flat lying areas are probably deserts and the rain is inundating the nearby mountains. People are heedless of the floods because there is no rain for miles and then suddenly the dry bed becomes a raging torrent.

2007-03-01 10:57:39 · answer #4 · answered by Amphibolite 7 · 0 0

in valley

2007-03-01 08:39:20 · answer #5 · answered by REESE H 1 · 0 0

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