Weather and atmosphere final
Some scientists believe that earth is in a comparatively warm part of an ice age
True
False
Changes in albedo result from the overgrazing and excessive cultivation of grasslands in semi-arid regions, causing an increase in desert conditions-- a process known as desertification
True
False
The terms typhoon and cyclone refer to the initial weaker stages in the development of a hurricane
True
False
Recent evidence suggests that the variations in earth's orbit around the sun proposed by milankovitch actually have very little effect on earths climate
True
False
Most hurricanes develop in warm tropical waters at the equator even though the coriolis force is zero there
True
False
Climate models suggest that oceans will warm more rapidly than landmasse in the northern high latitudes under predicted future climate conditions
True
False
In the tropics, the noon sun is always high in the sky, therefore, diurnal and seasonal changes in temperature are small
True
False
When earth rotates on its axis and wobbles like a spinning top, it is known as
Obliquity
Precession
Radiative forcing
Eccentricity
Hurricanes cannot form along the equator because a. There isnt much water along the equator
There isnt much water along the equator
The coriolis force is too small along the equator
There are no feedback mechanisms along the equator
Its too humid for the ocean water to evaporate
The most recent warming trend experienced over the northern hemisphere could be the result of
light colored particles in the stratosphere
Increasing levels of greenhouse gases
A decrease in the energy emitted by the sun
An observed decrease in snow cover
Along a coastline, most hurricane damage is caused by
The pressure gradient force
The storm surge
Wind shear
Release of latent heat
The main reason hurricanes dont develop over the south atlantic ocean adjacent to south america is because the
Vertical wind shear is absent
pressure gradient force is too weak in that area
Surface water temperature are too cold
Air at the surface is always diverging
Climate models predict that, as the world continues to warm, sea-surface temperatures in the tropics will rise. This may in turn
Increase global circulation
Increase the amount of time between hurricane formations
Increase the strength of hurricanes
Decrease the strength of hurricanes
The vertical structure of the hurricane shows an upper-level ------ of air, and a surface--- of air
outflow, inflow
outflow, outflow
Inflow, outflow
inflow, inflow
The strongest winds in a hurricane heading westward toward florida would most liekly be found on the ---- side of the hurricane
Northern
Southerns
Eastern
Western
Average atmospheric c02 concentrations have ---- over the past 100 years
Slightly decreased
Remained constant
Signifigantly decreased
Increased
Near earth's surface, ---- occupies about 78% and --- about 21% of the total volume of air
Nitrogen, oxygen
Hydrogen, oxygen
Oxygen, hydrogen
Nitrogen, water vapor
Which chemical proccess is an example of condensation
Water vapor formation
cloud droplet formation
Photosynthesis
Ice formation
The vertical profile of ---- is variable in each layer of earth's atmosphere
Air temperature
Air pressure
Altitude
Air density
In a temperature inversion, air temperature a. Increases with increasing height
Decreased with increasing height
Increases with decreasing height
Remains constant with increasing height
increases with increasing height
In the middle latitudes of the northern hempisphere, the day with the shortest number of daylight hours occurs on
June 21
December 21
September 22
January 1
Why are the average summer temperatures in the southern hemisphere are cooler than the average summer temperatures in the northern hemisphere?
earth is closer to the sun in january
Earth is farther from the sun in july
Over 80% of the southern hemisphere is covered with water
The suns energy is less intense in the southern hemisphere
The albedo of earths surface is only about 4% yet the combined albedo of earth and its atmosphere is about 30%. Which set of conditions below best explains why this is so?
High albedo of clouds, low albedo of water
High albedo of clouds, high albedo of water
low albedo of clouds, low albedo of water
Low albedo of clouds, high albedo of water
Without the atmospheric greenhouse effect, the average surface temperature of earth would be
Higher than at present
Lower than at present
The same as it is now
Much more variable than it is now
Which process accounts for the sky's blue color?
Light reflection
Light scattering
Albedo
Thermal convection
An object that radiates more energy than it absorbs will
Become colder
Become warmer
Maintain the same temperature
Reach radiative equilibrium
The atmospheric greenhouse effect is due primarily to the fact that
Oxygen and ozone absorb UV radiation
Nitrogen and oxygen transmit visible radiation
Cloud formation releases latent heat energy
Carbon dioxide and water vapor absorb infrared radiation
I have a meterological tower at my house with measurements at several heights. At which height will the daily temperature range be the largest?
10 m above the surface
2 m above the surface
100 m above the surface
5 m above the surface
Cold and cloudy nights are warmer than cold and clear nights (other factors being equal) because
Of strong radiation inversions
Clouds reflect sunlight
Of thermal belts
Clouds absorb outgoing infrared energy and radiate it back to the surface
Maximum air temp in a given day usually occurs ---- solar heating
During maximum
2-4 hours after maximum
Before maximum
12-14 hours after maximum
The absolute temperature scale that contains no negative numbers is the ----, which makes it convenient for scientific computing
Fahrenheit
Celsius
kelvin
Convection
The movement of smoke in the atmosphere from one area to another by wind is an example of
Advection
Radiation
Conduction
Reflection
Which characteristic of air provides a measure of the average speed of the atoms and molecules?
Pressure
Temperature
Density
Evaporation
The heat energy released when water vapor changes to a liquid is called the latent heat of ----
Evaporation
Sublimation
Vaporization
Condensation
As the air temp increases, the airs capacity for water vapor
Increases
Decreases
Remains constant
can either increase or decrease because it is unrelated to air temp
Hot air with a low relative humidty may actually contain more water vapor than cool air with a high relative humidity
True
False
If very cold air is brought indoors and warmed with no change in its moisture conent, the saturation vapor pressure of this air will ---- and the relative humidty of this air will ----
Increase, increase
Decrease, decrease
Increase, decrease
Decrease, increase
As the difference between the air temp and the dew point increases, the relative humidity
increases
Decreases
Remains constant at a valuse less than 100
Remains constant and equal to 100
Which process results in a decrease in relative humidity?
Cooling the air
Warming the air
Increasing the actual water vapor pressure
Decreasing the saturation water vapor pressure
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