In the middle course, the valley becomes wider due to lateral erosion. The valley is almost flat by the lower course, consisting of a wide flood plain. Why does ...

17 окт. 2024 г. · In the middle course the river's gradient is less steep so the river starts to erode laterally with meanders forming, making the valley wider.

Cross profile shows a cross-section of a river's channel. and valley close valleyA low area of land between hills or mountains, typically with a river flowing ...

9 окт. 2024 г. · Cross profiles · Deeper than middle course channel · Flat floodplains · Wider than middle course channel · Greater velocity than middle course ...

Cross profile B - as the river flows into the middle course, there is some vertical erosion but more lateral erosion close lateral erosionThe wearing away of ...

A river's cross profile shows you the cross-section of the river so you can see the shape of the river bed. As rivers flow downhill, they form valleys and ...

A river's cross profile shows you the cross-section of the river so you can see the shape of the river bed. As rivers flow downhill, they form valleys and ...

22 мар. 2021 г. · In the middle course of a river the gradient decreases (it flattens out) and the discharge increases. This is due to the fact that many more tributaries have ...

The cross profile is considerably broader and flatter when we reach the river's lower course. The river engages in erosion (particularly on outer banks), ...

8 авг. 2024 г. · The cross profiles of a river are cross-sections from one bank to another · Cross profiles of the upper, middle and lower courses show the ...