GEOGRAPHY

Geography

Geography

Question#1 (Answer)

For a region to be classified as an air mass source region, it must fulfill two criteria. The region must be physically same area and must be vast and extensive. The second important thing for such a region is to have a stagnant atmospheric circulation, so the air stays over the region for a lengthy period in order to come to some measure of equilibrium with the surface.

Question#2 (Answer)

For the formation of air mass, it is important to have constant or uniform physical conditions. It is because air mass forms a thick layer with an air body of 1600 kilometers. It is formed at a particular temperature and moisture level. However, regions witnessing cyclones experience changes in temperature and weather conditions. Hence, there is no probability of air mass formation in such a region.

Question#3 (Answer)

Air mass is the troposphere portion which has highly homogenous physical characteristics, such as temperature and humidity. The areas over which air masses are formed are the source areas. The different physical characteristics of the masses and different location of the source areas, there are different classifications of air masses on the basis of Heat, Moisture, and longitude (Lazaridis, 2010).

CP: Continental Polar has low dewpoints, high degree of stability and cold temperature.

MP: Maritime Polars are formative dry air mass over land areas, bringing cloudless

weather and large temperature drops in winter.

MT: Maritime Tropical air mass is formed over the sea areas, so it contains a large

amount of moisture, causing clouds precipitation making water cool in summer and warm

in winter.

CT: Continental Tropical air mass is a formative dry air mass over land areas, bringing

cloudless weather and large temperature drops in winter.

Question#4 (Answer)

CP air mass are colder regions, they originate at northern Canada and Alaska as a result of radiational cooling, while MP originates at continental polar air masses over Asia and move westward over the Pacific collecting moisture, and warmth from the ocean.

Question#5 (Answer)

A number of factors could affect the air mass to change its position and properties. For example, when cold air passes over the warm water, there is a general release of heat and moisture to the air.

Question#6 (Answer)

Maritime Polar and Maritime Tropical are the two most vital air masses in the region.

Question#7 (Answer)

Maritime Polar is the most important air mass of the Pacific Coast.

Question#8 (Answer)

These have low dew points, high stability and cold temperature. The denseness creates surface pressure and often sweeps to South of United States.

Question#9 (Answer)

Air mass of both regions is significantly different from each other according to the physical conditions and characteristics. They both have different pressure and densities.

Question#10 (Answer)

Maritime Tropical and Maritime Polar provide the greatest moisture.

Question#1 1(Answer)

A low pressure area is like the wings of a wind turbine as it produces "noise”. The disorders are marked by fronts. With the passage of fronts, the weather will change fundamentally.

Fronts are the border areas between warm and cold air masses. Cold fronts can be compared with a steam roller. A loud noise is generated when they ...