describing river features on maps “describe the main features of a river and it’s valley”

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features on maps features on maps “Describe the main “Describe the main features of a river features of a river and and it’s valley” it’s valley”

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Describing river features on maps “Describe the main features of a river and it’s valley”. Valley shape. River runs through a U shaped valley formed by a glacier. V Shaped valley formed by vertical erosion by the river. River width, depth and tributaries. River flows from NW to SE - PowerPoint PPT Presentation

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Page 1: Describing river features on maps “Describe the main features of a river  and it’s valley”

Describing river features on Describing river features on mapsmaps

“Describe the main features “Describe the main features of a river of a river and it’s valley”and it’s valley”

Page 2: Describing river features on maps “Describe the main features of a river  and it’s valley”

Valley shapeValley shape

V Shaped valley formed by vertical erosion by the river

River runs through a U shaped valley formed by a glacier

Page 3: Describing river features on maps “Describe the main features of a river  and it’s valley”

River width, depth and River width, depth and tributariestributaries• River flows from NW to SERiver flows from NW to SE• Two major tributaries join Two major tributaries join

at 977 152at 977 152• River is at 94m high in a River is at 94m high in a

wide valleywide valley• River is wide and River is wide and

meandersmeanders• River is in middle courseRiver is in middle course• There are meanders at There are meanders at

965 522 with river 965 522 with river beaches and river cliffsbeaches and river cliffs

Page 4: Describing river features on maps “Describe the main features of a river  and it’s valley”

WaterfallsWaterfalls• Waterfalls are named on the map. Waterfalls are named on the map.

You should give a grid referenceYou should give a grid reference

Page 5: Describing river features on maps “Describe the main features of a river  and it’s valley”

Ox Bow LakeOx Bow Lake• Look for horse Look for horse

shoe shaped shoe shaped lakes on the lakes on the lower course. lower course. Give a grid Give a grid referencereference

Page 6: Describing river features on maps “Describe the main features of a river  and it’s valley”

MeandersMeanders• Note the river features on the Note the river features on the

meander. Remember to mention the meander. Remember to mention the meander as a river featuremeander as a river feature

River cliff

River beach

Page 7: Describing river features on maps “Describe the main features of a river  and it’s valley”

Flood plainFlood plain• Note the width of the valley and the Note the width of the valley and the

height and slope of the land. height and slope of the land. Remember to mention the flood plain Remember to mention the flood plain as a featureas a feature

Page 8: Describing river features on maps “Describe the main features of a river  and it’s valley”

LeveesLevees

Page 9: Describing river features on maps “Describe the main features of a river  and it’s valley”

Tidal riversTidal rivers• Tidal rivers have Tidal rivers have

black edges. This black edges. This shows they are shows they are near the sea. You near the sea. You should mention should mention this in any answer.this in any answer.

Page 10: Describing river features on maps “Describe the main features of a river  and it’s valley”

Features of depositionFeatures of deposition• You should mention You should mention

sandbanks and sandbanks and marshes as evidence marshes as evidence that the river is in that the river is in the lower course.the lower course.

• Note the height and Note the height and flat flood plain.flat flood plain.

Page 11: Describing river features on maps “Describe the main features of a river  and it’s valley”

The mouth of the riverThe mouth of the river• The mouth of the river is where it The mouth of the river is where it

meets the seameets the sea

Page 12: Describing river features on maps “Describe the main features of a river  and it’s valley”

Describe the River Cree and Describe the River Cree and it’s valleyit’s valley