Christmas Exam Flashcards
What is a bog burst
In areas covered in thick layers of peat or turf if the rain water cannot drain or soak away the peat can saturated with water then flow downslope and cause great damage
What is an example of a bog burst
Derrybrien 2003
What is a landslide
A landslide is a very movement of regolith down a very steep slope
Example of a landslide
Mao county china 2017
What is a tributary and source
Tributary: a stream or river that joins a larger river. Source: place where the river begins
What is a flood plain and confluence
Flood plain: An area that gets covered with water when the river floods Confluence: where a river joins a larger one
What is a river basin and an estuary
River basin: the land that water flows across under on its way to the river
Estuary: part of river mouth that is tidal
What is the mouth and delta
Mouth: place where the river enters the sea Delta: a fan shaped area of land found at the mouth of the river
Name 4 of the ways a load is transported by river
rolling (traction) large stones rolled at high flow
Bouncing (saltation) - the hopping motion of pebbles
Suspension: small particles held up within water
Solution: rocks that have been dissolved into water by weak acids
What is a waterfall
A waterfall occurs where a river flows over a vertical slop
What is longshore drift
Longshore drift is the process of the ocean currents forcing sand and other material down a beach
What are the 4 labels of longshore drift
Swash, backwash, prevailing wind ,direction of longshore drift
What is costal protection
Measures aimed at protecting the coast against coastline retreat
Why are tourists attracted to coastlines
Coastal areas are locations with a variety of scenic landscapes, with historic towns and harbours with countless options for recreational activities
How does a barometer work
A very sensitive vacuum chamber inside the barometer responds to atmospheric pressure
How does a maximum and minimum thermometer work
When the temperature increases the alcohol expands and causes the metal marker on the maximum side
How does a rain gauge work
The funnel directs water into a measuring cylinder the cylinder has markings to show precipitation levels in mm
How does a wind vane work
The head of the arrow points in the direction the wind is blowinh
How does an anemometer work
Three cups rotate when the wind blows. The number of times the cup rotates is used
How does a Campbell stokes recorder work
As the sun shines through the hall it scorches a mark on the paper
What are the lines on a weather map that display atmospheric pressure called
Isobars
What does H stand for
High atmospheric pressure
What does L stand for
Low atmospheric pressure
What are the features of low atmospheric pressure
Quite strong wind, significant cloud cover, high levels of precipitation
