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प्रश्न
What are ‘jet streams’?
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उत्तर १
- ‘Jet Streams’ are the fast moving winds blowing in a narrow zone in the upper layer of the atmosphere.
- They play a vital role in the onset of South West monsoon and cause Tropical depressions both during South West monsoon and Retreating monsoon.
उत्तर २
The jet stream is a swiftly blowing wind at the height of 3 to 5 km above the subtropical high-pressure belt. It plays an important role in the mechanism of the monsoons.
APPEARS IN
संबंधित प्रश्न
Name two types of cyclonic systems that affect India and two areas that receive rainfall from these systems.
Give two important characteristics of the South West monsoon rainfall.
Give reasons for the following:
The Northern Plains of India have a continental type of climate.
State the main factors that affect the climate of Indian sub-continent.
Name the state in India through which the standard meridian of India and the Tropic of Cancer pass covering the longest distance.
Study the climatic data provided in the table below for a city A in India and answer the questions that follow:
| City | T/R | J | F | M | A | M | J | J | A | S | O | N | D |
| A | T | -8 | -3 | 2 | 7 | 15 | 18 | 17 | 12 | 10 | 5 | 0 | -7 |
| R | 10 | 8 | 8 | 5 | 5 | 5 | 13 | 13 | 8 | 5 | 0 | 5 |
T = Mean monthly temperature in degree Celsius (°C).
R = Average monthly rainfall in millimeters (mm).
- What is the cause of low rainfall in station A?
- Calculate the range of temperature of this station.
Explain how the following factor affect India’s climate:
Southern Oscillation
What are the two climatic conditions required for the cultivation of ground-nuts in India?
Mention the climatic conditions required for growing coconut in India.
Why does Break in Monsoons occur?
Continental climate is experienced by ______.
The mountain which stands parallel to the direction of the south-west monsoon wind.
The ______ prevents the cold polar winds blowing from Central Asia.
List the factors aff ecting climate of India.
Write a short note on ‘Monsoon wind’.
Jet streams cause rainfall in ______ India.
The South-east trade wind blow from over ______land in summer.
Which type(s) of cyclones cause rainfall in north-western India during winter? Where do they originate?
