Causes of Flooding

Factors which lead to flooding tend to produce more ......... flow.

When water cannot pass through rock its called ..?

• Sodden

• Impermeable

• Permeable

• Infiltration

Leaves and branches on trees increase ..?

• Through Flow

• Interception

• Infiltration

• Precipitation

Soil that is full of water is ..?

• Wet

• Soaking

• Saturated

• Sodden

This process tends to reduce capacity for Interception

Steep Valley Sides are mainly found ...

• In the river's Upper course

• in the Middle Course

• In the Lower Course

• All courses of the river

Impermeable surfaces can be formed by which climatic conditions

• Cool and damp

• Hot and dry

• Cool and damp

• Cool and dry

Flood conditions can be found in Springtime. Why?

• Urban areas

• Gentle rain

• Soil baked hard by the sun

• Snow melt

What kind of Chart is this?

• Line Chart and a Bar Chart

• Storm Graph

• Flood Hydrograph

• Flood Graph

Impermeable conditions are found in Urban areas. Why?

• Land covered with concrete and tarmac

• The city will need drains

• Heavy and persistent rainfall

• There are steep valley sides