Presentation is loading. Please wait.

Presentation is loading. Please wait.

Source Waterfall Gorge Tributary Oxbow lake Meanders Deltas and estuaries.

Similar presentations


Presentation on theme: "Source Waterfall Gorge Tributary Oxbow lake Meanders Deltas and estuaries."— Presentation transcript:

1

2 Source Waterfall Gorge Tributary Oxbow lake Meanders Deltas and estuaries

3 The source can be called headwaters. It’s the beginning of a river. Back to title page More info

4 The source may be fed by underwater springs, rain or melted snow. Back to title page More info

5 A river can have more than one source.There’s many different ways in which rivers can begin. This is the source of the river Lavant.It’s the duckpond at East Dean. Back to title page

6 Waterfall Explore The highest waterfall is Angels Falls and it is 979m. It is in Venezuala, South America Back to title page More info

7 How a waterfall forms The waterfall is made when water falls down a cliff or a steep hill. This is the Victoria Falls in Africa. Back to title page

8 V shaped valleys are caused by erosion. Rocks and stones move in the water and wear away the ground.. A gorge is a steep sided river valley. They are all very narrow and deep. Back to title page

9 A Tributary is a stream that flows into a larger river. The water flows from the Tributary and runs to the main channel.. A Confluence is where a Tributary joins the main river. Back to title page

10 Meanders of a river A Meander is a loop in a river.(see left) Back to title page More info

11 Meanders of a river A meandering river Back to title page More info

12 Meanders of a river This is a river with several meanders. Back to title page

13 Oxbow lake-the start An Oxbow lake is formed when a meander curves into a loop.. Back to title page More info

14 Ox-bow lake This is an Ox-bow lake. Back to title page More info

15 There`s a thin bit of land in the loop When the land in the loop gets thinner the river breaks through and makes a new path The ox bow lake is left Back to title page

16 FLOODPLAIN The floodplain is a piece of flat land in a river valley close to the river bank. It is usually found in lower course rivers. Back to title page More info

17 A flood Plain is flat land each side of the river. If there is heavy rain or melting snow the river will flood. This is the river Arun, the land is flat here so it flood when it rains hard. Back to title page

18 Estuary This is an estuary by the sea ………….. An estuary is where the river widens out. This is the mouth of the river where it runs into the sea. Back to title page More info

19 There are different types of estuaries. This is a salt marsh estuary Back to title page


Download ppt "Source Waterfall Gorge Tributary Oxbow lake Meanders Deltas and estuaries."

Similar presentations


Ads by Google