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What do we know about Climate Change? Answer: 1. Climate change impacts will vary by
region
2. Climate change already appears to be causing an increase in extreme events
3. The ocean is becoming more acidic
4. Sea level is rising
Where are species' ranges shifting towards due to climate change? Answer: The poles and
higher elevation
Seasonal Timing Answer: migration and feeding
What is true about seasonal timing? Answer: it is shifting
What causes ocean acidification? Answer: The absorption of roughly 1/4 of the CO2 that is
in the atmosphere into the ocean.
Why is ocean acidification harmful? Answer: It dissolves calcium carbonate, which makes
up the shells of many marine organisms such as corals, clams, oysters, crabs, and
mussels. Could potentially destroy major commercial fisheries
What climate change impacts are harmful to coral reefs: Answer: the warming of water
causes coral bleaching and strong storms are physically damaging
Phenology Answer: The study of cyclic and seasonal natural phenomena (e.g. on what date
does a plant usually begin to form flowers or leaves?)
*Changing due to climate change (plants are leaving earlier, insects hatching earlier, birds
migrating earlier, animals breeding earlier)
Why is hard to assess the impacts of climate change? Answer: Because many things are
changing at once
Polar amplification (arctic intensification) Answer: Changes in radiative forcing tend to
have greater expression (e.g. increased warming) in polar regions; the poles will warm
faster than the equatorial regions.
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,What causes polar amplification Answer: 1. Decreased snow and ice cover that decrease
the albedo in polar regions
2. Increased cloud cover that traps heat
3. Increased transport of heat (by ocean currents and atmospheric circulation) to the poles
Where is some of the most rapid warming on the planet experienced? Answer: In the
Western Antarctic Peninsula
Climate Change Impacts on Society: Answer: 1. Ocean acidification could destroy major
commercial fisheries
2. droughts and flooding are leading to agricultural losses
3. Sea level rise will displace people and cause escalating expense
4. More intense storms are causing more property damage and loss of life
5. Farmers and foresters are struggling with altered growing seasons and disturbance
regimes
6.Crop yields will likely fall in the dry tropics and subtropics
Climate Change Impacts on Society pt. 2: Answer: 1. Impacts on biodiversity will cause
losses of food, water, and ecosystem goods and services
2. Melting of mountain glaciers will reduce water supplies to millions
3. Economic costs will far outweigh benefits.
4. Poorer nations and communities are suffering greater impacts
5. Increased warm-weather health hazards will outweigh decreased cold-weather hazards
How much of the world's population lives in regions that depend on mountain meltwater?
Answer: 1/6th
Causes of Sea Level Rise Answer: 1.Thermal Expansion (warm water is less dense than
cold water)
2.Glacier Melt (adds water from continent interiors)
3.Greenland and Antarctic ice sheets (exacerbated by Arctic intensification)
4.Groundwater extraction (we are rapidly pumping water out of the aquifers)
Does melting sea ice lead to sea level rise? Answer: **NO!*
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, What does higher sea levels lead to? Answer: Beach erosion, coastal flooding, intrusion of
saltwater into aquifers, and greater impacts from storm surges
Storm Surges Answer: temporary and localized rise in sea level due to a storm--
responsible for most damage during hurricanes
How can global warming be beneficial to agriculture? Answer: For some crops in
temperate zones, warming may lead to longer seasons and better yield, and added CO2
may increase the yield of some plants
How can global warming be harmful to agriculture? Answer: Added CO2 can make plants
become less nutritious and increased drought and flooding may decrease agricultural
productivity
How can global warming be beneficial to forestry? Answer: Increased CO2 leads to faster
growth of some trees
How can global warming be harmful to forestry? Answer: Increased CO2 increases
occurrences of drought, fire, and disease
How can global warming be harmful towards health? Answer: Deadly heat waves,
respiratory ailments, tropical diseases will expand into larger ranges, disease problems will
get worse due to flooding, injuries and drowning due to storms
How can global warming be harmful towards economics? Answer: climate change will
widen the gap between rich and poor, because the poor people and countries lack the
technology to adapt and rely on fewer resources
What do increased temperatures contribute to? Answer: The formation of harmful air
pollutants and allergens and ground level smog
Climate change in Florida allows mosquitos carrying what diseases to migrate to Florida?
Answer: malaria and yellow and dengue fever
Effects of Sea level rise in Florida Answer: will likely contaminate drinking water in many
areas as saltwater intrudes into freshwater aquifers and in low-lying coastal areas it could
impair the capacity of storm water drainage systems to empty into the ocean
What are the three types of adaption of sea level rise? Answer: 1. Protect (build levees,
seawalls, etc.)
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