Lesson 201 Effects On Thermal Structure

Question 1

Nitrogen,Oxygen, and Argon represent _________ of the dry atmosphere.

Answer 1

99.97%

Question 2

Besides being made up of molecules, the atmosphere has what 3 properties?

Answer 2

Mobility
Occupies space
Has weight

Question 3

What are the 7 factors that affect the range of diurnal or daily temperature variations?
WWALCHA

Answer 3

Angle of incidence 
Length of daylight 
Cloud cover 
Albedo
Heat capacity 
Wind 
Water vapour

Question 4

What are the four most important processes that reduce the amount of solar energy arriving at the Earth’s surface?
RASR

Answer 4

Reflection
Absorption
Scattering
Refraction

Question 5

List the 4 most important components of the atmosphere with respect to meteorology.

Answer 5

Water vapour
Carbon dioxide
Ozone
Impurities in the atmosphere

Question 6

Water vapour in the air is mainly produced by the __________ of liquid water and by the ___________ of plants. It returns to earth in the form of ___________ or by __________ on the surface.

Answer 6

Evaporation
Transpiration
Precipitation
Condensation

Question 7

Water vapour is distributed throughout the atmosphere by_________ _________.

Answer 7

Turbulent mixing

Question 8

Water vapour: a little solar _________, greater terrestrial __________. Carbon Dioxide: _________ solar radiation, _________ terrestrial radiation.

Answer 8

WV: absorption, absorption
CO2: transmits, absorbs

Question 9

Ozone: _______ solar radiation, a little terrestrial ________ in PBL.
Aerosols: ________ solar radiation, __________ and _________ terrestrial radiation.

Answer 9

O3: absorbs, absorption
Aerosols: scatters, absorbs and scatters

Question 10

Define albedo

Answer 10

Albedo is defined as the ratio of the radiation reflected by a substance to the radiation striking this substance.

Question 11

What are the four most important processes that reduce the amount of solar energy arriving at the earth’s surface?

Answer 11

Reflection
Absorption
Scattering
Refraction

Question 12

The more water vapour the _________ cooling at night.

The more Carbon dioxide the ________ cooling at night.

Answer 12

Less

Less

Question 13

The more ozone in the low levels the _______ cooling at night; no effect on the upper levels.
Atmospheric impurities have a combination of factors, usually ________ cooling at night.

Answer 13

Less less