The Atmosphere (4.1-4.4)
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Ecological consequences of climate change x2
Precipitation changes may cause wetland habitats to grow of shrink. Hibernation can be disturbed by a warm climate, animals can wake earlier, use ft stores and die
Consequences to change in climatic processes x2
Temperature change from the poles to the equator means jet streams can shrink, causing weather systems to stay longer over a certain area Increased temperature can cause more evaporation furthermore a change in rainfall
Consequences (of global warming) causing changes in the cryosphere x2
Reduced duration of snow cover means less positive affects from albedo affect If front of the ice lake wall breaks it can cause sudden floods
Consequences causing sea level rise x2
Warm atmosphere heat seawater, causing it to expand, making sea levels rise If land ice melts it will make sea levels rise
Consequences (of climate change) causing change in ocean currents x2
Evaporation caused by warming causes more water to flow in and replace the evaporated water Heating/cooling affects the density of water, this affect how easily surface water sinks.
Give 5 general impacts on humans from climate change ?
Water supplies Drainage/landslides Food Infrastructure Health
Where does carbon dioxide come from?
Respiration Decomposition Burning fossils fuels Deforestation
Where does methane come from?
Wetlands Landfills Agriculture
Where do nitrous oxides come from?
Fertilisers Fuel combustion Waster water
What is carbon dioxides global warming potency?
1
What is methanes global warming potency?
25/28
What is nitrous oxides warming potency?
280
Which uv is harmfulll?
UVB and UVC
Why is visible light good for the environment and life?
Plants and animals use colour for mating and defence Photosynthesis uses energy from visible light
Why is IR good for the environment and life?
Our earth absorbs IR and is heated up. Re radiation is emitted as IR and heats up the atompshere as the greenhouse affect.
Which types of radiation reach earths surface?
UV Visible IR
What main type of radiation is re emitted from earth?
Longer wavelength IR
What 2 cycles does solar energy drive?
Atmospheric and oceanic circulation + the hydrological cycle
What is the order of our atmosphere (earth—> space)?
Thermosphere Mesopause Mesosphere Stratopause Stratosphere Tropopause Troposphere
Where is the ozone layer?
Stratosphere
Why is nitrogen important?
DNA Protein
Why is oxygen important
Aerobic respiration Form ozone layer
Why is carbon dioxide important?
Photosynthesis (starts most food chains) Natural greenhouse effect
Why is water vapour important?
Hydrological cycle (all life needs water)