FORMATION OF MEANDER

AS WATER MOVES DOWNSTREAM AND AROUND A BEND, IT MOVES IN A SPIRAL FASHION. IT MOVES TOWARDS THE OUTER BANK OF THE CURVES AT A GREAT VELOCITY, ERODING THE BANK. MUCH OF THE ERODED MATERIALS IS THEN CARRIED TOWARDS THE OPPOSITE BANK AND IS DEPOSITED THERE. DEPOSITION TAKES PLACE  BECAUSE OF THE FRICTION BETWEEN WATER […]

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MEANDERS

WHEN A RIVER BENDS AND TURNS, IT IS SAID TO BE MEANDERING THE CURVES OR BENDS ALONG THE RIVERS ARE KNOWN AS MEANDERS.

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DELTA

DELTA IS A FLAT PIECE OF LAND THAT IS MADE UP OF LAYERS OF SEDIMENTS DEPOSITED AT THE RIVER MOUTH OVERTIME. THERE ARE TWO TYPES OF DELTA 1.FAN OR TRIANGLE SHAPED– WHEN THE RIVER DEPOSITS ITS LOAD UNIFORMLY OVER THE WHOLE YEAR. 2.BIRD’S FOOT– WHEN THE RIVER DEPOSITS ITS LOAD RAPIDLY AT THE RIVER MOUTH […]

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Leeves

During the deposition, the coarser alluvium is deposited nearer the bank of the river while the finer alluvium is carried and deposited further from the bank. The continuous accumulation of the coarser alluvium along the banks of the river forms natural embankments called leeves

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DEPOSITIONAL LANDFORMS

FLOOD PLAIN A floodplain is a wide and flat plain. It is built up by alluvium ( fine rock i.e. silt and clay) laid down on the river banks during repeated flooding. The formation of Flood Plain when the river has overflowed its banks. The flood subsides , there is a decrease in the volume […]

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