The diagrams below show how houses can be protected in areas which are prone to flooding. Summarise it.
The diagrams compare two different methods of defence for homes which are at risk of being flooded.
The key difference between the diagrams is that they show
flood
Use synonyms
portection
with and without a Correct your spelling
protection
stopbank
. In either case, the at-risk home is raised on columns above ground Use synonyms
level
.
The first diagram shows how a Use synonyms
stopbank
acts as a Use synonyms
flood
barrier to stop Use synonyms
river
water from flooding homes. The Use synonyms
stopbank
is a small mound Use synonyms
next
to the Linking Words
river
, and it is higher than the 100-year Use synonyms
flood
Use synonyms
level
. It prevents the Use synonyms
river
from overflowing towards the area where nearby buildings are. Nearby houses can be built on columns to prevent flooding from rainwater, and a floodgate beneath the Use synonyms
stopbank
can be opened to allow Use synonyms
this
water to discharge into the Linking Words
river
.
When there is no Use synonyms
stopbank
, as shown in the Use synonyms
second
diagram, there will be nothing to stop the Linking Words
river
Use synonyms
fromm
flooding. In Correct your spelling
from
this
case, the solution is to put the buildings on Linking Words
columsn
. The Correct your spelling
column
columns
hieght
of Correct your spelling
height
columns
is above the 100-year Correct article usage
the columns
flood
Use synonyms
level
, so the floor of Use synonyms
house
Correct article usage
the house
300
mm above the 100-year Add a missing verb
is 300
flood
Use synonyms
level
. Use synonyms
This
measurement is called Linking Words
as
freeboard.Correct your spelling
a
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Vocabulary: Replace the words flood, stopbank, level, river with synonyms.
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Vocabulary: Rephrase the word "undefined" in your introduction.
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Vocabulary: Only 4 basic words for charts were used.
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Vocabulary: The word "diagrams" was used 4 times.
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Vocabulary: The word "show" was used 2 times.
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