MET1010 Chapter 3
Terms in this set (48)
A radiation inversion is most commonly observed
Just above the ground
Although the polar regions radiate away more heat energy than they receive by insolation in the course of a year, they are prevented from becoming progressively colder each year by the:
Circulation of heat by the atmosphere and oceans
An important reason for the large daily temperature range over deserts is that:
There is little water vapor in the air to absorb and re-radiate infrared radiation.
At the North Pole the sun will rise above the horizon on _____ and set below the horizon on ____.
March 21, September 23
At what time during a 24-hour day would a radiation temperature inversion best be developed?
Considering each hemisphere as a whole, seasonal temperature variation in the Souther Hemisphere is ____ that in the Northern Hemisphere
During an equinox,
The sun is directly above the equator, 0 degrees latitude
During summer near the North Pole, the sun is above the horizon _____ in the mid-lattitudes.
on March 20
During the afternoon, the greatest temperature difference between the surface air and the air several meters above occurs on a
Clear, calm afternoon
During the winter in the Northern Hemisphere, the "land of the midnight sun" would be found:
At high latitudes
During the winter solstice in the Northern Hemisphere
All of these
Ideal conditions for a strong radiation inversion are:
Clear, calm, dry winter night
In July, at middle latitudes in the Northern Hemisphere, the day is _____ long and is _____ with each passing day.
More than 12 hours; getting shorter
In clear weather, the air next to the ground is usually ____ than the air above during the night and ______ than the air above during the day.
In Meteorology, the word Insolation refers to:
Incoming solar radiation
In most areas, the warmest time of the day about 5 feet above the ground occurs
In the afternoon between 2 and 5 pm
In summer, humid regions typically have ______ daily temperature ranges and _____ maximum temperatures than dried regions
In the Northern Hemisphere, Which of the following has the fewest hours of daylight?
In the Northern Hemisphere, the number of hours of daylight begins to shorten after the:
Incoming solar radiation in middle latitudes is less in winter than in summer because
A and B only
Lines connecting points of equal temperature are called
Longer days are generally associated with
More solar radiation is received at the
On a clear, calm night, the ground and air above cool mainly by which process?
On the summer solstice, the altitude of noonday sun is highest
231/20 North latitude (Tropic of Cancer)
Over the earth as a whole, one would expect to observe the smallest variation in temperature from day to day and from month to month:
On a small island near the equator
Radiational cooling typically occurs
Suppose yesterday morning you noticed ice crystals on the grass, yet the minimum temp. reported in the newspaper was only 35F. The most likely reason for this:
Temperature readings are taken in instrument shelters more than 5 feet above the ground.
The annual variation of earth-sun distance is ____ seasonal weather changes
The deepest radiation inversion would be observed
In polar regions in winter
The earth is tilted at an angle of 23.5 with respect to the plane of its orbit around the sun. If the amount of tilt were increased 40 degrees, we would expect in middle latitudes.
Hotter summers and colder winters than at present
The lag in daily temperature refers to the time lag between the
Time of maximum solar radiation and the time of maximum temperature
The largest annual ranges of temperatures are found
At polar latitudes over land
The latitude at which there is a yearly balance between incoming and outgoing radiation is about
The lowest temperature is usually observed
The main reason for warm summers in middle latitudes is that
The sun is higher in the sky and we receive more direct solar radiation, they days are longer.
The maximum in daytime surface temperature typically occurs ____ the earth receives its most intense solar radiation
The primary cause of a radiation inversion is
Infrared radiation emitted by the earth's surface
The sun is directly overhead at Mexico City (Latitude 19 degrees)
Twice a year
The wind-chill factor
Relates body heat loss with wind to an equivalent temperature with no wind
Two objects, A and B, have the same mass but the specific heat of A is larger than B. If both objects absorb equal amounts of energy,
B will become warmer than A
Waters heats up _____ and cools off _____ than land.
More slowly, more slowly.
When it is January and winter in the Northern Hemisphere, it is _____ and ______ in the Southern Hemisphere.
Where are the days and nights of equal length all year long?
At the equator.
Which latitude below would experience the fewest hours of daylight on Dec 22?
Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?
Orchard heaters, wind machines, Irrigation
All of these
Which of the following is NOT a reason why water warms and cools much more slowly than land?
It takes more heat to raise the temp. of a given amount of soil 10C than it does to raise the temp. of water 10C.
Which of the following latitudes is closer to Earth's axis?
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