what is advection?
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transfer of heat (or moisture) through horizontal movements of air.
Given what was discussed in lecture regarding albedo, if there were no snow or ice at
the poles, the Earth would warm significantly because Earth would absorb much
more shortwave radiation from the sun.
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true
,know the basic lifting mechanisms: convection, mountains, fronts, and convergence
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Convection: warm air rising
Mountains: air hits mountain, air is forced up
Fronts: borders between chunks of air when they run into each other,
create rising motion
Convergence: like low pressure, when air comes together, has no where to
go but up
what are the main differences between Fahrenheit, Celsius, and kelvin?
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Kelvin - begins with 0; used for scientific calculations
Celsius - 100 equal degrees; upper level maps reported in C
Fahrenheit - 180 equal degrees; temp at surface are reported in F
what device is used to determine the wind speed?
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Wind vane- direction
Anemometer!!!!
Precipitation that is falling from a cloud, but evaporates before it actually makes it to
the ground, would be described as:
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VIRGA
what does prevailing wind mean?
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Average wind direction in area.
Wind direction most often observed during a given time period. (can
greatly affect the climate of a region)
how does a mercury barometer measure pressure
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Dish of mercury,
measures bars (unit of pressure that describes a force over a given area).
Barometric pressure = 1013.25 mb
constant vs variable gases and the dominant ones
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Constant: O2 and Nitrogen - gases that are always there.
Variable: there amounts change ( water vapor, CO2)
Dominant: water vapor.
, the key properties of the vertical structure of the atmosphere: density, pressure, temp
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Layers may be defined by temperature, gas composition, and electrical
properties.
Due to gravity, most of the earths atmosphere is located close to its
surface.
Density - the mass or atoms and the space between them (molecular
density of air: the number of molecules in a given volume), greatest at
earths surface and decreases with height.
At earths surface, the pressure of the atmosphere is 14.7 ib/in2.
Standard sea level pressure is 1013.25 mb = 1013.25 hPa = 29.92 in Hg.
Atmospheric pressure decreases with n increase in height.
What is weather
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The condition of the atmosphere at any particular time and place. Weather
- which is always changing- is compromised of elements of air temperature,
air pressure, humidity, clouds, precipitation, visibility, and wind
what is pressure? horizontal vs vertical
Give this one a try later!
Give this one a try later!
transfer of heat (or moisture) through horizontal movements of air.
Given what was discussed in lecture regarding albedo, if there were no snow or ice at
the poles, the Earth would warm significantly because Earth would absorb much
more shortwave radiation from the sun.
Give this one a try later!
true
,know the basic lifting mechanisms: convection, mountains, fronts, and convergence
Give this one a try later!
Convection: warm air rising
Mountains: air hits mountain, air is forced up
Fronts: borders between chunks of air when they run into each other,
create rising motion
Convergence: like low pressure, when air comes together, has no where to
go but up
what are the main differences between Fahrenheit, Celsius, and kelvin?
Give this one a try later!
Kelvin - begins with 0; used for scientific calculations
Celsius - 100 equal degrees; upper level maps reported in C
Fahrenheit - 180 equal degrees; temp at surface are reported in F
what device is used to determine the wind speed?
Give this one a try later!
Wind vane- direction
Anemometer!!!!
Precipitation that is falling from a cloud, but evaporates before it actually makes it to
the ground, would be described as:
,Give this one a try later!
VIRGA
what does prevailing wind mean?
Give this one a try later!
Average wind direction in area.
Wind direction most often observed during a given time period. (can
greatly affect the climate of a region)
how does a mercury barometer measure pressure
Give this one a try later!
Dish of mercury,
measures bars (unit of pressure that describes a force over a given area).
Barometric pressure = 1013.25 mb
constant vs variable gases and the dominant ones
Give this one a try later!
Constant: O2 and Nitrogen - gases that are always there.
Variable: there amounts change ( water vapor, CO2)
Dominant: water vapor.
, the key properties of the vertical structure of the atmosphere: density, pressure, temp
Give this one a try later!
Layers may be defined by temperature, gas composition, and electrical
properties.
Due to gravity, most of the earths atmosphere is located close to its
surface.
Density - the mass or atoms and the space between them (molecular
density of air: the number of molecules in a given volume), greatest at
earths surface and decreases with height.
At earths surface, the pressure of the atmosphere is 14.7 ib/in2.
Standard sea level pressure is 1013.25 mb = 1013.25 hPa = 29.92 in Hg.
Atmospheric pressure decreases with n increase in height.
What is weather
Give this one a try later!
The condition of the atmosphere at any particular time and place. Weather
- which is always changing- is compromised of elements of air temperature,
air pressure, humidity, clouds, precipitation, visibility, and wind
what is pressure? horizontal vs vertical
Give this one a try later!
