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GEOGRAPHY 
CRASH COURSE
CAPSTONE IAS LEARNING
Page 2


GEOGRAPHY 
CRASH COURSE
CAPSTONE IAS LEARNING
Basic air movement
• Vertical Movement of air
Page 3


GEOGRAPHY 
CRASH COURSE
CAPSTONE IAS LEARNING
Basic air movement
• Vertical Movement of air
Page 4


GEOGRAPHY 
CRASH COURSE
CAPSTONE IAS LEARNING
Basic air movement
• Vertical Movement of air
Evaporation
• Evaporation is a process by which water is 
transformed from liquid to gaseous state. Heat is 
the main cause for evaporation.
Factors Affecting Rate of Evaporation
• Temperature
• Wind speed
• Air Pressure
Page 5


GEOGRAPHY 
CRASH COURSE
CAPSTONE IAS LEARNING
Basic air movement
• Vertical Movement of air
Evaporation
• Evaporation is a process by which water is 
transformed from liquid to gaseous state. Heat is 
the main cause for evaporation.
Factors Affecting Rate of Evaporation
• Temperature
• Wind speed
• Air Pressure
Humidity
• Humidity refers to the amount of water vapour
present in the atmosphere at a particular time 
and place. 
• Humidity in the air is due to the various 
processes of evaporation from the land and water 
surfaces of the Earth
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FAQs on PPT: Vertical Movement of Air - Crash Course for UPSC Aspirants

1. What is vertical movement of air?
Ans. Vertical movement of air refers to the upward or downward motion of air in the atmosphere. It occurs due to differences in air density, temperature, and pressure, resulting in the formation of air currents, updrafts, and downdrafts.
2. How does vertical movement of air affect weather patterns?
Ans. Vertical movement of air plays a crucial role in shaping weather patterns. When air rises, it cools and forms clouds, leading to the possibility of precipitation. Conversely, sinking air inhibits cloud formation and can result in fair weather conditions. Understanding vertical movement helps meteorologists predict and analyze weather systems.
3. What are the main factors that influence vertical movement of air?
Ans. Several factors influence the vertical movement of air, including temperature, humidity, air pressure, and terrain. Temperature variations cause air to expand or contract, leading to vertical motion. Humidity affects air density, while air pressure gradients drive the overall circulation. Additionally, the presence of mountains or other landforms can affect the vertical movement of air.
4. How is vertical movement of air related to convection?
Ans. Vertical movement of air is closely associated with convection, a process driven by temperature differences. As air near the surface is heated, it becomes less dense and rises. This rising air creates an updraft, which can lead to the formation of thunderstorms, clouds, and other atmospheric phenomena. Convection is a vital mechanism for redistributing heat in the atmosphere.
5. Can vertical movement of air impact aviation and flight operations?
Ans. Yes, vertical movement of air can have significant effects on aviation and flight operations. Strong updrafts and downdrafts associated with thunderstorms or convective weather systems can pose hazards to aircraft, causing turbulence and affecting the stability of flights. Pilots and air traffic controllers closely monitor these vertical air movements to ensure safety during takeoff, landing, and en route.
193 videos|121 docs|4 tests
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