Normally, the river discharge is smaller than its (a)   .

When it rains, the river discharge (a)   but is still within the channel capacity.

When there is too much water, water goes over the river banks and the river overflows. (a)   occurs.

Name 1 impact of flooding.

(a)  

Flooding is more likely to occurs when there is (a)   .

In summer, _____ and _____ bring a lot of rain to eastern and southern China.

(a)  

(a)   caused by typhoons also led to flooding in coastal regions.

In spring, large amounts of (a)   from the snow in the high mountains of western China flow into the rivers, increasing river discharge.

(a)   is bring more extreme rainfall events to China.

(a)   in the west are melting more quickly due to warm temperatures.

The low-lying relief of regions favors the (a)   .

The (a)   become shallower, which reduces channel capacity.

As vegetation cover reduces, (a)   intensifies.

Deforestation:

1. There are no trees to _____ water.

2. _____ decreases

3. Surface runoff increases

4. Raindrops hit the soil directly, causing more _____.

5. More soil particles are washed into the river. It becomes shallower and more prone to flooding.

Lakes reduce flood risk by storing water and (a)   .

Many lakes in China have been reclaimed for _____ and _____.

(a)  

(a)   surfaces like concrete prevent the infiltration of water and surface runoff increases.

Flood defenses such as _____, _____ and _____ are built to protect cities against flooding. Some of them are poorly maintained.

(a)  

_____ and _____ are built to regulate river discharge and store rainwater.

(a)  

(a)   are built to increase channel capacity.

River channels are _____, _____ and _____ to increase the speed of river flow and channel capacity.

(a)  

(a)   helps remove mud from riverbeds and maintain channel capacity.

(a)   helps reduce soil erosion and the silting of rivers.

Illegal (a)   of lakes is banned.

The density of development along rivers is planned according to the fish of flooding. This is called (a)   .

The government uses the (a)   to warn government departments and the public of flooding risks.

Rescue teams are sent to provide _____ and ______ to the victims affected.

(a)  

After the flood, streets are cleaned and damaged (a)   are repaired as well.