Nelson Science Perspectives 10
Nelson Science Perspectives 10
1st Edition
Christy C. Hayhoe, Doug Hayhoe, Jeff Major, Maurice DiGiuseppe
ISBN: 9780176355289
Textbook solutions

All Solutions

Page 364: Review

Exercise 1
Step 1
1 of 3
a) climate consists of yearly weather patterns for a particular region
Step 2
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b) tundra, desert, tropical grassland, mountain, temperate forest, dry grassland, boreal forest
Result
3 of 3
a) climate consists of yearly weather patterns for a particular region
Exercise 2
Step 1
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Both involve the temperature and precipitation of a particular region
Step 2
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Climate is long term patterns where weather is day to day or week to week
Result
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Both involve the temperature and precipitation of a particular region
Exercise 3
Result
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Hydrosphere, lithospere, cryosphere, atmosphere, and biosphere
Exercise 4
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a) a greenhouse gas is a gas capable of absorbing and redirecting infrared radiation from the sun to aid in warming the Earth
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b) methane, carbon dioxide, chlorofluorocarbons (CFCs)
Result
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a) a greenhouse gas is a gas capable of absorbing and redirecting infrared radiation from the sun to aid in warming the Earth
Exercise 5
Result
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Greenhouse gas emission, ozone depletion
Exercise 6
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Volcanic activity, Earth’s revolution around the sun
Exercise 7
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a) a feedback loop is a process where an output can effect the input which in turn would effect the output.
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b) When lots of water evaporates, clouds form which lower the temperature slightly to allow less water to evaporate.

Ice amount alters albedo

Moisture content alters the possibility of forest fires occurring.

Result
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a) a feedback loop is a process where an output can effect the input which in turn would effect the output.
Exercise 8
Result
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Proxy records are physical records from ice or trees that allow us to predict weather patterns from past times
Exercise 9
Result
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Analyze ice cores and analyze tree rings
Exercise 10
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Albedo is the amount of radiation that something reflects.
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The albedo effect is that ice has a high albedo so it reflects a lot of radiation, lowering temperature, which allows for more ice to form. This is a positive feedback loop
Result
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Albedo is the amount of radiation that something reflects.
Exercise 11
Step 1
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a) far away from water would reduce the amount of moisture in the air thus the amount of precipitation would be lower
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b) prevailing winds make for a windy climate that may be slightly cooler as well as bring in rapid changes in precipitation
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c) mountains may protect areas from wind and lessen the amount of precipitation received by regions between mountains
Result
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a) far away from water would reduce the amount of moisture in the air thus the amount of precipitation would be lower
Exercise 12
Result
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The poles receive less sunlight that the equator does, so less energy is absorbed that helps heat the environment
Exercise 13
Result
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Earth is always reflecting the sun’s energy just as it absorbs it
Exercise 14
Result
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Greenhouse gases act as an envelope that lets in the sun’s energy, but prevents most of it from escaping. It warms the Earth like a blanket
Exercise 15
Result
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The Earth’s atmosphere will absorb and radiate less energy since the sun transmits less energy, which would have an effect on the climate
Exercise 16
Step 1
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a) As ice melts, its albedo lowers, which leads to more ice melting since it is a positive feedback loop.
Step 2
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b) As ice albedo increases, less energy is absorbed and temperature decreases, causing more ice to form. This is positive feedback since the change results in an amplification of the change
Result
3 of 3
a) As ice melts, its albedo lowers, which leads to more ice melting since it is a positive feedback loop.
Exercise 17
Result
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Color and size allow scientists to make predictions on yearly weather compared to normal years, and scarring could indicate forest fires.
Exercise 18
Result
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The clouds of smog block sunlight and can lower temperatures or raise them depending on if the smog contains greenhouse gases
Exercise 19
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By blocking sunlight they can reduce temperature to prevent the accelerated vaporization of water. By the greenhouse gas effect they can increase temperatures, causing more water to vaporize
Exercise 20
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a) the winds off of the lake are often colder than the air in the city and bring precipitation due to the water evaporated off the lake.
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b) the Great Lakes create lake effect snow, which increases the amount of snowfall that downwind regions receive.
Result
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a) the winds off of the lake are often colder than the air in the city and bring precipitation due to the water evaporated off the lake.
Exercise 21
Result
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Earth’s climate system acts to regulate conditions on Earth. This involves the absorption and radiation of energy, the water cycle, and the carbon cycle. The regulation of these to the best of Earth’s ability allow for life.
Exercise 22
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a) Thermal energy is circulated by winds in the atmosphere and by currents in the ocean.
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b) The circulation of thermal energy creates regions with stable climates for animals and plants to grow and adapt to survive within
Result
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a) Thermal energy is circulated by winds in the atmosphere and by currents in the ocean.
Exercise 23
Result
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The warm water will create warmer air which will heat up the west coast of Europe instead of cool it down like a cold current would
Exercise 24
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a) Temperatures will increase if greenhouse gas levels increase since greenhouse gas presence helps warm Earth
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b) Temperatures will decrease if greenhouse gas levels decrease since greenhouse gas presence helps warm Earth
Result
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a) Temperatures will increase if greenhouse gas levels increase since greenhouse gas presence helps warm Earth
Exercise 25
Step 1
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a) Many factors account for tree growth, so climate is hard to accurately construct from tree rings since many different facets of climate create such growth.
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Ocean sediments can be difficult to use if lots of pollution occurred, altering the levels or presence of chemicals used in climate prediction
Result
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a) Many factors account for tree growth, so climate is hard to accurately construct from tree rings since many different facets of climate create such growth.
Exercise 26
Step 1
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a) the data correspond since they share high points and low points in specific years.
Step 2
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b) Yes, the high points of the coral indexes correspond to high points of the rainfall index, and likewise for the low points
Step 3
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c) These data are useful as proxy data because the coral indexes could be used to accurately predict the rainfall patterns
Step 4
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d) No, by practicing reading charts and graphs for specific correlations I am used to looking for such patterns
Result
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a) the data correspond since they share high points and low points in specific years.
Exercise 27
Result
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We will record the temperature, wind, humidity, pressure, and precipitation over the span of at least five years
Exercise 28
Result
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Ozone blocks UV rays high in the atmosphere, but down near the surface can cause lung problems if breathed in
Exercise 29
Result
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You could check tree rings for recent climate details and check ice cores for longer-term climate predictions. Look for things such as oxygen levels and precipitation amounts
Exercise 30
Step 1
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a) I already knew the differences between weather and climate
Step 2
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b) The information on proxy records was completely new to me
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c) I will be more aware of how changes in industry and lifestyle could impact climate and the environment I live in
Result
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a) I already knew the differences between weather and climate
Exercise 31
Step 1
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a) I knew very little about global cooling and warming of past time periods
Step 2
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b) I now understand how proxy records were used to map changes in climate in the past to determine global cooling and warming patterns and the factors that cause such changes
Result
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a) I knew very little about global cooling and warming of past time periods
Exercise 32
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a) marine climates are most likely to be warm and moist, like London
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b) Since London is near the coast, the winds carry lots of moisture and rain, and the winds are often moderate to warm, so the temperature in London is warm
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c) the prediction was correct according to recorded climate averages for the city
Result
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a) marine climates are most likely to be warm and moist, like London
Exercise 33
Result
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Winters in the northern hemisphere occur tilted away from the sun with shorter day times. This lessened sun exposure and increased distance cause colder winters
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