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Terms in this set (20)
Steps to the Greenhouse effect
1. Light energy from the sun penetrates the atmosphere causing the Earth to heat.
2. The earth absorbs energy radiated from the sun
3. Some energy escapes to space
4. The rest of the energy is trapped as heat in the atmosphere by greenhouse gases
5. Greenhouse gases are produced by powers stations burning fossil fuels and industry burning fossil fuels
Human activity which impacts the green house effect?
- burning fossil fuels, such as coal oil or gas.
- using energy sources that are generated by burning fossil fuels
- some aspects of farming such as raising cattle and sheep, using fertilizers and growing some crops.
- clearing land, including logging
- breakdown of food, plant wastes and sewerage
- some industrial processes such as making cement and aluminium
all natural phenomena within the atmosphere at a given time
the average and variations of weather over a long period of time
Whereby solar energy is trapped in the atmosphere by water vapor and gases in the atmosphere, thereby heating the atmosphere and helping to retain this heat
Enhanced greenhouse effect
the observable trend of rising world atmospheric temperatures over the past century, particularly in the last couple of decades.
Factors that determine climate
Climate is determined by averaging out the temperature (measured by a thermometer) and precipitation (measured by a rain gauge)
Gradual increase of the Earth's surface temperature due to greenhouse gases in the atmosphere.
refers to long term changes in climate including average rainfall and temperature
Four factors that influence climate
Latitude, Distance from the sea, Land forms, Ocean currents
lower latitudes are warmer than high latitudes because the suns rays are more concentrated near the equator. Temperatures change within the seasons.
The height of the land can affect temperatures as the higher the area, the colder the climate
The temperatures of ocean waters running along the coastline have a big effect on the climate of the coast. Warm ocean currents bring higher temperatures and more rain.
Distance from the sea
Since land masses gain and loose heat quicker than the ocean, land masses far from the sea tend to have hotter summers and colder winters than coastal areas.
Helps increse the shorelines resistance to erosive forces. They do not reduce the energy of the water, but redirect the energy. Sea walls, groynes, boulder walls
These methods are much easier on the environment, imitate naturall systems and can interact naturaly with the ecosystem. Revegetation, beach nourishment
- hottest regions of the world
-infulenced by tropical air masses
- located near the equator
-winters are warm
- constant light warmth and rain allow for continuous rapid plant growth
- influenced by both tropical and polar air masses
- great variations in temperature and rainfall
- warm humid summers, cold winters with snow
- coldest regions of the world
located in higher latitudes
influenced by polar air masses
summers are cold
long periods of darkness
Australians on the coast