The diagram below shows the water cycle in both forested and urban areas. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

The diagram is used to compare the way the

water

Use synonyms

run

Change the verb form

runs

show examples

through

Change preposition

in

show examples

a different way in an urban setting than in a forest.

Overall

Linking Words

,

while

Linking Words

the steps remain the same, the results are different.

While

Linking Words

the process is essential to the health of the environment, in urban areas the cycle gives fewer benefits, creating

also

Linking Words

a more polluted runoff. It starts when the rain falls into the ground, where it penetrates the permeable soil, creating infiltration, which runs down until reaching the less permeable subsoil on rock, where a

water

Use synonyms

table is created. From there,

water

Use synonyms

continues flowing until it reaches the runoff. During

this

Linking Words

process, part of the

water

Use synonyms

evaporates and a bigger proportion gets absorbed by trees which

then

Linking Words

release oxygen through transpiration.

While

Linking Words

the procedure is the same, in urban settings the results are worse. Since permeable soil is covered by asphalt,

water

Use synonyms

cannot reach deeper levels, so there is an

overall

Linking Words

reduced infiltration which causes a lesser baseflow and

contribute

Change the verb form

contributes

show examples

to higher erosion.

In addition

Linking Words

, the proportion evaporated and transpired is lower,

although

Linking Words

there is a bigger polluted runoff.