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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.
संबंधित प्रश्न
Give two ways by which the trees that are found here have adapted to the climate.
How do trees in the Tropical desert forests adapt themselves to the dry climate?
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The Northern Plains of India have a continental type of climate.
Name the state in India through which the standard meridian of India and the Tropic of Cancer pass covering the longest distance.
Give a geographical reason for the following:
The northern plains of India do not freeze in winter.
Explain, giving any two reasons, why the deltas of the river Mahanadi suffer from occasional floods.
Study the temperature and rainfall graph of station X given below and answer the questions that follow:
- Is the location of station X inland or coastal?
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- Mention one main feature of the climate experienced by the station X.
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.
Study the Temperature-Rainfall graph of station X below and answer the questions that follow:
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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 | 20 | 23 | 26 | 32 | 35 | 39 | 34 | 28 | 25 | 28 | 24 | 21 |
| R | 14 | 23 | 27 | 42 | 121 | 231 | 300 | 306 | 289 | 160 | 34 | 5 |
T = Mean monthly temperature in degree Celsius (°C).
R = Average monthly rainfall in millimeters (mm).
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- Calculate the annual rainfall for station A.
Mention the climatic conditions required for growing coconut in India.
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The most dominant factor which affects the climate of India is ______.
Tamil Nadu gets its winter rainfall from the ______ winds.
Name the factors affecting the climate of India.
Give reasons for the following topic:
The relief of India has a great bearing on the climate.
What are the three important factors which influence the mechanism of Indian weather?
Which type(s) of cyclones cause rainfall in north-western India during winter? Where do they originate?
