WorksheetsHuman Activities on River Processes
Total questions: 23
Worksheet time: 12mins
Rivers are manipulated for a number of reasons, which of these is NOT a reason.
Create HEP
Control Flooding in Urban Area
Decrease navigation times
increase fishing
The river Rhine is ____km long.
1,232 km
1,500 km
120 km
None of the above
It flows through __ countries.
2
4
6
9
What has the river Rhine undergone?
Flood control
HEP
Canalisation
All of the above
Surface processes have been controlled since the _______.
1960's
1800 's
1950 's
None of the above
The Main tributaries are in..
Main
Necker
Moselle
All of the above
Which of these is not a impact of canalisation?
Canal Network developed
Dykes created
Sedimentation on river bed
Shorter, Deeper, Straighter river
Canal Construction reduced the river length by _____km
200km
100km
250km
120km
The rivers velocity and erosive power were increased due to the HEP stations.
True
False
Dykes were built to increase river ____.
Width
Height
Dykes & Man made levees were constructed to prevent what?
Pollution
Flooding
Over pollution
none of the above
Today the flood plain is used for..
Agriculture & Urban development
Sports
Retail
None of the above
Dykes have been built and have been regurarly increase in ____.
Height
Structure
Concrete
Size
Polder land is also known as "________"
Old land
Waterlogged Fields
Reclaimed land
None of the above
If the high embankments collapsed the surrounding water would increase by how many metres ?
2m
4m
6m
8m
Since the 1950's, ___ HEP stations have been built along the river Rhine.
3
12
22
13
The construction of these HEP stations is known as the Power Project
True
False
Which of these is not an effect of the construction of the HEP stations.
Dams trapped sediment
Flooded on annual basis
Banks bursting
All of the above
The worst floods happened in....
February 1993
January 1995
November 1933
None of the above
Which of these is not a disadvantage of artificial levees?
Increased deposition on the river bed
fertile alluvium ceases
Levees can fail, flooding homes and property
Control the flow of the river
Which of these is not an advantage of Dams?
Generate electricity
Renewable Energy
Relocation of people
Tourist attraction
The 20 year plan costing 12 billion was to overcome what problem?
Pollution
Flooding
Economic loss
None of the above
What percentage of the rivers floodplain has been supressed?
95%
85%
25%
15%
