Final Examination - Spring 2013 Flashcards
Study for Final Exam
What kind of energy refers to the energy in motion?
kinetic energy
As the kinetic energy of the air increases, its ____________________ may either increase or decrease depending upon the circumstances.
temperature
The principle controls and influences of temperature patterns include __________, altitude, land-water differences, cloud, cover, ocean currents, and surface conditions.
latitiude
The single most important control on temperature in the atmosphere is ____________.
latitude
What happens to the average annual insolation as distance from the subsolar point increases?
It decreases.
What happens to the average annual temperature as the distance from the subsolar point increases?
It decreases.
What does 6.4 degrees per 1000 meters refer to?
It refers to the normal lapse rate.
If the temperature at the surface of the earth at seal level is 40 degrees, what is the temperature at 2000 meters if the normal lapse rate is 6.4 degrees per 1000 meters?
27.2 degrees C.
What is the temperature control that includes the heat capacity of a substance?
It is specific heat.
Clouds act like act like insulation in that they have a moderating influence on ____________________.
temperatures
What temperature control tends to lower temperatures more over water bodies than over land?
evaporation
The land surface cools off more rapidly at night than water does because the energy is stored in a ____________________ near the surface of the land, and so it can be radiated away faster.
shallow layer
As a result of the characteristics of water, cities located near a coast should epxerience a temperature range that is ____________________ those of cities located in the interior at the same latitude.
smaller than
During summer, cities located near the coast are ____________ than those in the interior at the same latitude, while in the winter they are ______________.
cooler; warmer
If the Gulf Stream shifted away from Iceland and England, winter temperatures in these locations would become ___________, thereby decreasing the average winter temperature.
cooler
Which of the following would experience the least continentality: 200 km inland from the Gulf of Mexico, north central Asia, central Nevada, a tropical island?
a tropical island
Which of the following experiences the greatest continentality: 200 km inland from the Gulf of Mexico, California’s Great Central Valley, north central Asia, a tropical island?
north central Asia
What is an isloline that connects all points of the same temperature on a map called?
An isotherm.
The thermal equator duringt he month of July trends poleward over _____________ and equatorward over the _____________.
continents; oceans
The general circulation of the atmosphere refers to _____________ circulation.
primary
The migratory high and low pressure systems refers to ______________ circulation.
secondary
Land-sea breezed refers to _____________ circulation.
tertiary
Air flow is intiated by the ________________ force.
pressure gradient
What is the horizontal movement of air called?
wind
The ________________ force drives air from areas of higher to lower barometric pressure.
pressure gradient
What is an isoline of equal pressure plotted on a weather map called?
An isobar.
Air flows from _____________ a surface high pressure area because the density of the air in the high pressure zone is _____________ than that of the surrounding air.
out of; more dense
Air flow into a low pressure ____________ and ________________.
converges; ascends
The closer the spacing of the isobars, the _______________ the wind blows.
faster
The ___________ force causes the apparent deflection of winds from a straight path.
Coriolis
_________ factors produce the equatorial low and polar high.
Thermal
The intertropical convergence zone is characterized by the _____________ and uplift of warm surface air.
convergence
What dominant surface winds are formed by air movement from the subtropics to high latitudes?
The westerlies.
Cyclones are ____________ pressure cells.
low
Air flow in the Northern hemisphere high pressure zone is downward, outward, and ______________.
clockwise
The ______________ convergence zone is associated with the equatorial low-pressure trough.
intertropical
__________ cells appear most vertically symmetrical on either side of the equator at the equinoxes.
Hadley
For North America, the Aleutian and Icelandic lows are strongest during the winter months because the ocean temperatures are _____________ than land temperatures at the same latitude.
warmer
What direction do jets streams flow?
West to east.
Land-sea breezes are caused by onshore (toward land) air flows that develop in the afternoon as the lands ____________ faster than neighboring water surfaces.
heats
Mountain-valley breezes are caused by ___________ air rising upslope during the day and _____________ air descending the slopes at night.
warm; cooler
A monsoon climate is characterized by ____________ summers and __________ winters.
wet; dry
Ocean currents are produced by Coriolis force, water density differences, and the frictional drag of _________.
winds
Where is the largest portion of fresh water found on the earth?
Ice caps and glaciers.
The Earth’s oceans possess _____________ percent of Earth’s waters.
ninety-seven
What is the heat energy involved in the change of state, or phase, in water?
Latent heat.
When water evaporates, it ___________ heat energy and __________ the surrounding air.
absorbs; cools
What is the amount of water vapor in the air at a given temperature expressed as a percentage of the water vapor capacity of the air called?
Relative humidity.
The ____________ temperature occurs when an air mass becomes saturated.
dew-point
The elevation at which the bottom of clouds begin to form represents the elevation at which relative humidity reaches __________ percent and _______________ occurs.
100; dew point
What general term refers to the tendency of a parcel of air to either remain in place or change its initial position?
Stability.
What is the lapse rate of air that is not saturated as it rises or descends?
10 degrees Celsius per 1000 meters.