River Landscapes

Question 1

Two characteristics of the upper course of a river are…

Answer 1

1. Steep sided v-shaped valleys
2. A narrow and shallow river channel

Question 2

When completing 4 figure grid references, the part of the square the number refers to is…

Answer 2

The bottom left hand corner

Question 3

Two features found on a meander bend of a river are…

Answer 3

.1 River cliffs on the outside of the bend
2. Slip-off slopes on the inside of the bend

Question 4

Two human factors that can increase flood risk are…

Answer 4

1. Deforestation reduces interception
2. Building on flood plains which are high flood risk areas

Question 5

Contour lines that are close together on a ordnance survey map represent…

Answer 5

A steeply shaded landscape

Question 6

Spot heights are

Answer 6

Black numbers on a ordnance survey map that show the exact height in metres at that specific location

Question 7

Over time, meanders move laterally across the landscape because

Answer 7

Erosion such as hydraulic action and abrasion takes place on the outside of the meander because the current is fastest and energy is high

Question 8

Floodplains are flat land found to the sides of a river’s channel in it’s middle and lower course. They are formed by…

Answer 8

1. Lateral (sideways) erosion causes the river channel to migrate over time, flattening the landscape
2. During a flood, sediment is deposited on land either side of the river channel

Question 9

Two physical factors that can increase flood risk are..

Answer 9

1. Impermeable rocks such as granite increase surface run-off
2. More extreme weather events linked to climate change