S3 GEOGRAPHY Flashcards
(9 cards)
6 Causes of climate change?
One cause of climate change is deforestation as there is less tress to absorb the coz emissions.
Another cause of climate change is burning fossil fuels, as it releases carbon dioxide into the atmosphere.
Another cause of climate change is when methane is released from landfill sites as waste decomposes.
Another cause of climate change is increasing cattle farming as, cows release methane into the atmosphere.
Another cause of climate change is car emissions, as every deiseal and petrol car, releases co2, which goes into the atmosphere.
6 Effects of climate change?
One effect of climate change is rising sea levels, an effect of this is flooding, which will result in homes being destroyed and people being forced to re locate.
Another effect of climate change is increasing temperatures, which will mean crops may not yield as much, leading to famine.
Another effect of climate change is weather becoming more unpredictable and stormier, which means more homes may be damaged in stormes.
Another effect of climate change is drought, this will affect people in South Africa as with a drought there will be a lack of drinking water as well as there being hosepipe bans.
Another effect of climate change is wildfires, which will result in destroyed wildlife and homes being destroyed, leaving people homeless.
Another effect of climate change is increased desertification, as much of the Amazon may be turned to desert, leading to loss of wildlife and species extinction.
How weather effects people?
Hot- sunburn, increase in water sales
Cold- icy roads, increased heating bill
Dry- drought, water shortages
Wet- flooding, reservoirs refill
5 UK air masses?
Polar maritime- cold and wet
Polar continental- cold and dry
Tropical maritime- warm and wet
Tropical continental- warm and dry
Arctic maritime- very cold and sometimes wet
Features of anticyclones?
An anticyclone, or high-pressure system, is characterized by sinking air, causing clear skies, light winds, and generally stable weather. In summer, this often translates to dry, hot conditions, while in winter it can lead to cold, clear nights, and potentially fog or frost.
Formation of Cavern?
Caverns are formed by erosion. As rain falls, which is slightly acidic, it reacts with and dissolves the limestone This process is called carbonation. Some of the limestone is eroded more quickly it the joints and bedding planes are close together. Lots of water then travel through these cracks eventually forming a cavern underground.
Formation of limestone pavement?
Limestone pavements are formed by erosion. As the rain rain falls which is slightly acidic, it reacts and dissolves limestone. This process is called carbonation. Over time, the joints get wider and wider until eventually they are deep and wide, forming a limestone pavement.
The blocks are called clients and the cracks are called grykes.
Formation of intermittent drainage?
Limestone is a permeable rock, which means it lets water in. If a stream moves from impermeable rock to limestone, the stream suddenly disappears underground due to the joints and bedding planes in limestone. The stream then slowly moves along the joints and bedding planes underground. It will only reappear as a resurgent stream when the stream reaches impermeable rock again.
Factors that effect temperature?
Altitude- The temperature usually decreases by 1°C for every 100 meters in altitude.
Latitude- Temperatures decrease the further an area is from the Equator due to the curvature of the earth. In areas closer to the Poles the sun’s rays are spread over a wider surface area so the energy is less concentrated and is colder.
Aspect of a slope- A south facing slope will receive more direct sunlight making it warmer. A north facing slope is sheltered from the sun making it colder.
Distance from the sea- Oceans heat up and cool down much more slowly than land. This means that the coast tend to be cooler in summer and warmer in winter than places inland at the same latitude.
