30 Questions
Which of the following is NOT a physical factor that affects overland flow or run off?
Land use
Which of the following is NOT a feature that determines how quickly or slowly water moves through a drainage basin?
Land use
Which of the following is NOT a factor that affects river regimes?
Land use
Which of the following is NOT a flow component of a storm hydrograph?
Normal discharge
Which of the following is NOT a factor that affects the form of precipitation?
Wind speed
Which of the following is NOT a factor that can cause flooding in a river?
Permeable rock
Which of the following is true about the hydrological cycle?
It is a global circulation of water
What is the largest store of water in the hydrological cycle?
The sea
What is the difference between a store and a flow in the hydrological cycle?
A store holds water, while a flow is the movement of water between stores
What are the possible physical consequences of melting ice sheets and glaciers?
Sea level rise
Why is the hydrological cycle considered a closed system?
Because the amount of water in the cycle remains the same
Why is the drainage basin cycle considered an open system?
Because it has external inputs and outputs
Which one of these is an example of mass movement in river valleys?
Slumping
What causes the weathered material on a slope to slump towards the river?
Heavy rain
What process involves particles of material being carried by a river, becoming rounder and smaller as they collide with each other?
Attrition
When does deposition occur in a river?
When there is a decrease in energy, speed, and discharge
What happens to the river channel as the river flows downstream?
It becomes wider, deeper, and smoother
What happens to the size of sediment in the river's load as it flows downstream?
It becomes progressively finer and more rounded
Which process in the hydrological cycle involves the change of water from a liquid into a gas?
Evaporation
What is the term for the transfer of water in any form (rain, hail, or snow) from the atmosphere to the land or sea surface?
Precipitation
What is the term for the transfer of water downwards through the soil and rock into the aquifer or groundwater store?
Infiltration and percolation
Which process involves the loss of moisture from the ground by direct evaporation from water bodies and the soil, plus transpiration from plants?
Evapotranspiration
What is the term for the underground transfer of water to rivers, lakes, and the sea that happens in the rocks of the aquifer?
Groundwater flow
Which process involves the change in the atmosphere when water vapor cools and becomes liquid, forming water droplets that appear as clouds?
Condensation
Which of the following factors affect river regimes and storm hydrographs?
Weathering and mass movement
What is the purpose of a storm hydrograph?
To record the changing discharge of a river after a rainstorm
Which river has the highest discharges in winter, specifically in February and March?
Thames
What causes the 'jaggedness' in the hydrograph of the River Thames?
Both passing showers and short periods of heavy rainfall
What is the purpose of marking the level of discharge above which a river will flood on a storm hydrograph?
To predict the risk of flooding in a drainage basin
Which factor delays the delivery of water to the river?
Vegetation and land use
Test your knowledge about the channel networks that collect and transport precipitation in drainage basins. Learn about the features and locations of inland seas and lakes like the Caspian Sea, Aral Sea, and Lake Victoria.
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