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#environmental management

Name 2 typical weather conditions when a tropical cyclone approaches.

Cloudy, increasing wind speed, air pressure falls, heavy rainfalls

15

What's flooding?

When the discharge of a river exceeds the capacity of the river's channel.

15

What does a storm hydrograph show?

It shows how quickly a river responds to a rainfall event.

15

Name and explain 2 physical causes of flooding.

Weather, previous weather, soil and rock type, relief, Earthquakes, volcanoes and tropical cyclones.

20

Name and explain 2 human causes of flooding.

Deforestation, urbanisation, Agriculture, climate change

20

True or false? Percolation is the vertical movement of water from the soil into underlying rock

True!

10

What's a drought?

When there is a lack of rain or less rain than normal over a long period of time.

15

What connection do some scientists make between climate change and drought?

They predict that warmer worldwide temperatures will mean decreased rainfall in some parts of the world, leading to more drought events

15

How can human activity influence the effect that drought has on a region?

Agriculture (irrigation, overcultivation, overgrazing), deforestation, dams

15