PPT: Climate | Social Studies (SST) Class 9 PDF Download

 Page 1


C l i m a t e
Page 2


C l i m a t e
What is the Difference between Weather and Climate?
I n t r o d u c t i o n
Weather: It is the state of atmosphere at any point in time and space,
it changes every moment.
Example: Cloudy, dry, windy, wet weather
Climate : It refers to the sum total of weather conditions and
variations over a large area for a long period of time. It is the sum total
of average weather conditions of 30 years.
Example: Monsoon, equatorial desert, cold climate etc.
Page 3


C l i m a t e
What is the Difference between Weather and Climate?
I n t r o d u c t i o n
Weather: It is the state of atmosphere at any point in time and space,
it changes every moment.
Example: Cloudy, dry, windy, wet weather
Climate : It refers to the sum total of weather conditions and
variations over a large area for a long period of time. It is the sum total
of average weather conditions of 30 years.
Example: Monsoon, equatorial desert, cold climate etc.
We can take two important elements, Temperature
and Precipitation, and examine how they vary from
place to place and season to season.
Temperature variations:
Rajasthan desert: up to 50°C in summer
Pahalgam, Jammu and Kashmir: around 20°C in
summer
India has Diverse Climatic
Conditions
Page 4


C l i m a t e
What is the Difference between Weather and Climate?
I n t r o d u c t i o n
Weather: It is the state of atmosphere at any point in time and space,
it changes every moment.
Example: Cloudy, dry, windy, wet weather
Climate : It refers to the sum total of weather conditions and
variations over a large area for a long period of time. It is the sum total
of average weather conditions of 30 years.
Example: Monsoon, equatorial desert, cold climate etc.
We can take two important elements, Temperature
and Precipitation, and examine how they vary from
place to place and season to season.
Temperature variations:
Rajasthan desert: up to 50°C in summer
Pahalgam, Jammu and Kashmir: around 20°C in
summer
India has Diverse Climatic
Conditions
Drass, Jammu and Kashmir: as low as -45°C in
winter
Thiruvananthapuram: around 20°C in winter
Thar Desert: 50°C in the day, 15°C at night
Andaman and Nicobar Islands, Kerala: minimal
temperature difference between day and night
India has Diverse Climatic
Conditions
Page 5


C l i m a t e
What is the Difference between Weather and Climate?
I n t r o d u c t i o n
Weather: It is the state of atmosphere at any point in time and space,
it changes every moment.
Example: Cloudy, dry, windy, wet weather
Climate : It refers to the sum total of weather conditions and
variations over a large area for a long period of time. It is the sum total
of average weather conditions of 30 years.
Example: Monsoon, equatorial desert, cold climate etc.
We can take two important elements, Temperature
and Precipitation, and examine how they vary from
place to place and season to season.
Temperature variations:
Rajasthan desert: up to 50°C in summer
Pahalgam, Jammu and Kashmir: around 20°C in
summer
India has Diverse Climatic
Conditions
Drass, Jammu and Kashmir: as low as -45°C in
winter
Thiruvananthapuram: around 20°C in winter
Thar Desert: 50°C in the day, 15°C at night
Andaman and Nicobar Islands, Kerala: minimal
temperature difference between day and night
India has Diverse Climatic
Conditions
Precipitation variations
Snowfall in the upper parts of the Himalayas
Rainfall in the rest of the country
Annual precipitation: over 400 cm in
Meghalaya, less than 10 cm in Ladakh and
western Rajasthan
Rainy season: June to September for most
parts, October and November for the Tamil
Nadu coast
Coastal areas: less contrast in temperature
and seasonal conditions compared to interiors