Hard And Soft Engineering RIVERS

Question 1

Dams & Resevoirs HARD

Answer 1

Good-
water can be stored
very effective
Bad -
expensive
maintenance

Question 2

Channel Straightening HARD
= cutting through meanders to create a straight channel

Answer 2

Good-
protects vulnerable areas from flooding
increases water speed ( less likely to flood)
Bad-
maintenance (river wants to meander)
can cause flooding downstream

Question 3

Embankments HARD
=raised river bank

Answer 3

Good-
holds more water
prevents property flooding
Bad-
can look unnattractive
blocks access to river (fishermen)

Question 4

Flood relief channels HARD
=man made river channel used to bypass urban areas

Answer 4

Good-
very effective
Bad-
very expensive

Question 5

Wetlands and flood storage area SOFT
=areas that are allowed to flood

Answer 5

Good-
stores water
Bad-
allows large patches of land to flood

Question 6

Floodplain zoning SOFT
= restricts where buildings can be and where things are on a floodplain

Answer 6

Good-
Reduces losses caused by flooding
Bad-
can lead to house prices falling that are built on the floodplain

Question 7

Afforestation SOFT
=more trees

Answer 7

Good-
looks natural
saves planet
Bad
lots of space

Question 8

River bank conservation/restoration SOFT
=changes artificial rivers back to their original course

Answer 8

Good-
slows down river flow
Bad-
lots of work
can be expensive

Question 9

Beavers!

Answer 9

Good-
slows flooding and river flow
Bad-
no control on where dams are built

Question 10

Flood warnings! SOFT

Answer 10

1- flood watch (be careful)
2- flood warning (move valuables)
3- severe flood warning (get to high ground)