The upper or mountain course - classification of the river, Biology

The upper or mountain course - Classification of the river

Here the water is fast flowing and runs through a 'V' shaped valley with unstable banks. The fast flowing water has great erosive powers, particularly after rains, being able to move large stones and roll them along. Angular stones washed into the river are rubbed against one another, to form rounded pebbles.

Posted Date: 1/19/2013 5:14:29 AM | Location : United States







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