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23 Cards in this Set
- Front
- Back
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Latitude (as a principal temperature control)
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Affects insolation: subsolar point, daylength, sun angle
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Elevation/altitude
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High altitude has greater daily range
High altitude has lower annual average |
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cloud cover
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Cloud Cover (most variable factor)
Clouds have high albedo Clouds moderate temperatures cooler days, warmer nights when cloudy Clouds reflect insolation back into space Earth’s surface absorbs less solar heat Cooler during cloudy days Clouds act as insulation Less energy radiated from Earth’s surface escapes into space Warmer during cloudy nights Cloudy areas vary less by season or by latitude than clear areas |
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land-water heating differences
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Evaporation
Transparency Specific heat Movement Ocean currents and sea surface temperatures Marine vs. continental effects |
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ocean is transparent
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Water can hold more heat than soil or rock
Water gains heat slowly and loses heat slowly Water can mix cool and warm areas Both surface and deeper waters can mix Water evaporates, cooling surface Currents carry warm or cool waters to other places |
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earth's temperature patterns in January
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Thermal equator moves southward
Greater movement over large continents |
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Earth's temp pattens in July
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Thermal equator moves northward
Greater movement over large continents |
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Mean Daily Temperature
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The daily mean temperatures.
The average of the day’s maximum and minimum temperature. |
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Mean Monthly Temperature
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The average of the daily temperatures in the month.
The average of the month’s maximum and minimum temperature. Tmin + Tmax = TAve 2 |
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Mean Annual Temperature
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The average of the 12 mean monthly temperatures
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Daily (Diurnal) Temperature Range
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The absolute difference between the daily maximum and the daily minimum temperature
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Daily (Diurnal) Temperature Range
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The absolute difference between the daily maximum and the daily minimum temperature
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Annual Temperature Range
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The difference between the warmest mean monthly temperature and the coolest mean monthly temperature
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Annual Temperature Range
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The difference between the warmest mean monthly temperature and the coolest mean monthly temperature
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where to keep a thermometer
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a) kept 1.2 m from the ground to avoid heat from earth
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where to keep a thermometer
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a) kept 1.2 m from the ground to avoid heat from earth
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why temp measuring stations are white
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b) insolation doesn't affect temperature reading of the air
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why temp measuring stations are white
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b) insolation doesn't affect temperature reading of the air
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difference between degrees celsius and celsius degrees
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ii. if just giving measurement, should be degrees celsius. BUT when talking about changes, uses Celsius degree. So one measurement = DC and difference = CD
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difference between degrees celsius and celsius degrees
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ii. if just giving measurement, should be degrees celsius. BUT when talking about changes, uses Celsius degree. So one measurement = DC and difference = CD
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clouds on insulation for test
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less energy radiated from Earth's surface escapes into space
explain on test: during day, clouds will reflect K down back into space and makes it cooler at the surface. L up gets absorbed by clouds and re-emitted back to earth, making it warmer at night. |
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wind chill
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iii. feels like it's colder than it is but temperature doesn't change
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humidex
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related sensed heat to temperature and relative humidity
ii. more discomfort with high humidity and low wind |
