RIVERS
- Created by: PrepChick
- Created on: 30-08-13 15:32
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- GEOGRAPHY RIVER LANDSCAPES
- RIVER BASICS AND DRAINAGE BASIN
- WHAT IS A DRAINAGE BASIN
- THE LAND THAT IS DRAINED BY A RIVER SYSTEM
- RIVERS BEGIN UPHILL AND MAKE THEIR WAY DOWNHILL TO THE SEA
- A RIVERS START IS A SOURCE
- A RIVER MEETS THE SEA AT ITS MOUTH
- THE RIVER BECOMES WIDER AND DEEPER AS IT IS JOINED BY OTHER TRIBUTARIES
- TRIBUTARIES ARE OTHER SMALL RIVERS
- THE POINT AT WHICH A RIVER MEETS IS CALLED A CONFLUENCE
- WHAT IS A DRAINAGE BASIN
- HOW DO RIVERS ERODE?
- HYDRAULIC ACTION
- THIS IS THE PRESSURE OF WATER BEING PUSHED AGAINST THE BEDS AND BANKS OF A RIVER. THIS CAUSES PIECES OF ROCK TO BREAK OFF
- CORRASION
- PARTICLES ARE CARRIED ALONG THE RIVER AND THEN THROWN AGAINST THE BANKS WITH A CONSIDERABLE FORCE
- CORROSION
- THIS IS A CHEMICAL REACTION BETWEEN CERTAIN ROCKS AND THE RIVER WATER
- ATTRITION
- THIS PROCESS INVOLVES WEARING AWAY OF THE ROCKS THAT IS IN THE RIVER. LARGE PIECES OF ROCK KNOCK INTO EACH OTHER UNTIL THEY BECOME SMALLER PEBBLE AND PEBBLE LIKE
- HYDRAULIC ACTION
- RIVER BASICS AND DRAINAGE BASIN
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