32 questions
Identify the type of flood shown in the photograph.
River
Coastal
Flash Flood
Identify the type of flood shown in the photograph.
River
Coastal
Flash Flood
Identify the type of flood shown in the photograph.
River
Coastal
Flash Flood
Which of the following best define the term 'Storm Surge'
Sudden rise of sea level in which water is piled up against a coastline beyond normal high-tide conditions
Sudden rise of sea level in which water is piled up against a coastline beyond normal low-tide conditions
Sudden rise of sea level in which water is piled up against a city beyond normal high-tide conditions
Identify the cause of flood shown in the photograph.
Storm Surge
Intense Rainfall
Dam Failure
Snow Melt
Identify the cause of flood shown in the photograph.
Storm Surge
Intense Rainfall
Dam Failure
Snow Melt
Identify the cause of flood shown in the photograph.
Storm Surge
Intense Rainfall
Dam Failure
Snow Melt
Select the best answer to fill in the blank in the explanation below:
When a dam fails to hold back the water, large amount of water is suddenly ______________ into the river below the dam. This result in the increase in the amount of water and causes water level to rise. Flood occur when water overflows from the river.
infiltrate
flow
deposited
Which of the following best define the term "Rain intensity"?
Rate at which rain falls
Probability of occurrence of a certain amount of rain falling within a certain period of time.
Duration of the rain event
Which of the following best define the term "Rain Duration"?
Rate at which rain falls
Probability of occurrence of a certain amount of rain falling within a certain period of time.
Duration of the rain event
Which of the following best define the term "Rain Frequency"?
Rate at which rain falls
Probability of occurrence of a certain amount of rain falling within a certain period of time.
Duration of the rain event
Select the best answer to fill in the blank in the statement below:
Intense rain generally increase amount of water in water bodies. This causes water level to rise and flood occurs when the water _____________ from these water bodies.
spill out
infiltrate
overflow
Which of the following best define the term "Snowmelt"?
Rate at which snow melt.
Surface runoff that results from melting snow.
Snow melting into water
Snowmelt is common in temperate countries during summer season when temperature increase.
True
False
Volcanic eruption can also cause snowmelt.
True
False
Choose the best option below to label the river features shown in the diagram above.
River Source, Flood Plain, River Bank, River Mouth
River Source, Flood Plain, Levees, River Mouth
River Source, Flood Plain, River Bank, River Channel
Read the passage below and identify the reason why the city is prone to flooding.
"Jakarta is sinking by an average of 1-15cm a year and almost half the city now sits below sea level."
Permeability of surface cover
Channel Capacity
Proximity to water bodies
Height of land above sea level
Read the passage below and identify the reason why the city is prone to flooding.
"Flood plains are easy to build on because they are flat and, in cities, they tend to be close to amenities."
Permeability of surface cover
Channel Capacity
Proximity to water bodies
Height of land above sea level
Read the passage below and identify the reason why the city is prone to flooding.
"High intensity rainfall can cause flooding when the city sewage system and draining canals do not have the necessary capacity to drain away the amounts of rain that are falling. "
Permeability of surface cover
Channel Capacity
Proximity to water bodies
Height of land above sea level
Read the passage below and identify the reason why the city is prone to flooding.
"The increase in the amount of tarmac and concrete surface in a city generally increase the risk of flood."
Permeability of surface cover
Channel Capacity
Proximity to water bodies
Height of land above sea level
Which of the following best define the term 'Social Impact'?
the effect of an event on the well-being of people
the effect of an event on goods and services being produced/sold/bought
Which of the following best define the term 'Economic Impact'?
the effect of an event on the well-being of people
the effect of an event on goods and services being produced/sold/bought
Read the passage below and identify the type of impact caused by flooding.
"At least four people are dead following this week’s massive flooding in the Houston area, where some neighborhoods were deluged with almost 16 feet of water after Tropical Storm Imelda dumped up to 40 inches of rain on the region."
Social Impact
Economic Impact
Read the passage below and identify the type of impact caused by flooding.
"Throughout southern Alberta, businesses located along the Bow, Elbow, Highwood and Oldman Rivers as well as local tributaries were forced to shut down and evacuate. Southern Alberta’s largest city centre, downtown Calgary, was forced to shut down for nearly one week in order for flood waters to recede and for the area to be considered safe to re-enter. "
Social Impact
Economic Impact
Which of the following is a benefit of zoning to manage the impact of flood?
Creates green spaces such as parks which reduces impact of flood damage
Development is protected against floods up to the height of the minimum platform level.
Possibility for moderate/high value developments to take place beside river channels.
Provides useful information so that there is time for people to take action to minimise flood damage.
Which of the following is a benefit of elevated properties to manage the impact of flood?
Creates green spaces such as parks which reduces impact of flood damage
Development is protected against floods up to the height of the minimum platform level.
Possibility for moderate/high value developments to take place beside river channels.
Provides useful information so that there is time for people to take action to minimise flood damage.
Which of the following is a benefit of the use of forecasting and warning system to manage the impact of flood?
Creates green spaces such as parks which reduces impact of flood damage
Development is protected against floods up to the height of the minimum platform level.
Possibility for moderate/high value developments to take place beside river channels.
Provides useful information so that there is time for people to take action to minimise flood damage.
Which of the following is a benefit of the use of channel improvement to manage the impact of flood?
Creates green spaces such as parks which reduces impact of flood damage
Development is protected against floods up to the height of the minimum platform level.
Possibility for moderate/high value developments to take place beside river channels.
Provides useful information so that there is time for people to take action to minimise flood damage.
Which of the following is a challenge of zoning to manage the impact of flood?
May not have expertise and technology to collect accurate data for accurate forecasts.
Difficult to carry out when land is used for other purposes.
Unable to hold floodwater beyond a certain level.
Limit development of available land because only certain land uses are permitted.
Which of the following is a challenge of building levees and flood wall to manage the impact of flood?
May not have expertise and technology to collect accurate data for accurate forecasts.
Difficult to carry out when land is used for other purposes.
Unable to hold floodwater beyond a certain level.
Limit development of available land because only certain land uses are permitted.
Which of the following is a challenge of improving channel capacity to manage the impact of flood?
May not have expertise and technology to collect accurate data for accurate forecasts.
Difficult to carry out when land is used for other purposes.
Unable to hold floodwater beyond a certain level.
Limit development of available land because only certain land uses are permitted.
Which of the following is a challenge of using forecasting and warning system to manage the impact of flood?
May not have expertise and technology to collect accurate data for accurate forecasts.
Difficult to carry out when land is used for other purposes.
Unable to hold floodwater beyond a certain level.
Limit development of available land because only certain land uses are permitted.