Climate of India Overview
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Questions and Answers

Evaluate the impact of floods as a disaster in India using a case study.

Floods in India, such as the 2017 Gujarat floods, caused widespread damage to infrastructure, displacing thousands and leading to significant economic losses.

What are the main controls affecting the climate of India?

The main controls include latitude, altitude, distance from the sea, and the Indian monsoon system.

Why is the arrival of monsoons significant for the Indian subcontinent?

Monsoons are crucial as they provide essential rainfall for agriculture, influencing the agrarian cycle and daily life.

Discuss why the highest diurnal range of temperature occurs in certain parts of India.

<p>The highest diurnal range occurs in the northwestern desert regions due to clear skies, low humidity, and lack of vegetation.</p> Signup and view all the answers

Explain the term 'break' in monsoon and its significance.

<p>'Break' in monsoon refers to the temporary cessation of rainfall during the monsoon season, impacting agricultural planning.</p> Signup and view all the answers

What marks the beginning of October in terms of monsoon patterns in Northern Plains?

<p>The monsoon withdraws from the Northern Plains.</p> Signup and view all the answers

What characteristics define the months of October-November in India?

<p>They form a transition from hot rainy season to dry winter conditions.</p> Signup and view all the answers

What is the climate impact of the retreating monsoon in terms of rainfall distribution?

<p>Areas of high rainfall may experience floods, while low rainfall areas are prone to drought.</p> Signup and view all the answers

What is 'October heat' and what causes it?

<p>'October heat' refers to oppressive weather conditions due to high temperature and humidity.</p> Signup and view all the answers

How does the Himalayas affect the climate of northern India?

<p>The Himalayas protect northern India from extremely cold winds from central Asia.</p> Signup and view all the answers

Why is Mawsynram significant in the context of rainfall?

<p>Mawsynram is known as the wettest place on Earth.</p> Signup and view all the answers

How does the Peninsular plateau's position affect its climate?

<p>The Peninsular plateau experiences moderate temperatures due to the influence of the sea from three sides.</p> Signup and view all the answers

What causes the high variability in annual rainfall across India?

<p>The nature of the monsoon and geographical differences contribute to rainfall variability.</p> Signup and view all the answers

What are stalagmites and stalactites, and how are they related to Mawsynram?

<p>Stalagmites and stalactites are mineral formations found in caves, often observed in Mawsynram.</p> Signup and view all the answers

Describe how temperature changes in northern India by the second half of October.

<p>By the second half of October, temperatures begin to fall rapidly in northern India.</p> Signup and view all the answers

What climatic type is primarily found in India and where is it mainly located in Asia?

<p>The climatic type is described as the ‘monsoon’ type, mainly found in the south and southeast of Asia.</p> Signup and view all the answers

How long is the general climate condition studied to define the climate of a region?

<p>The climate of a region is studied over a long period of time, typically more than thirty years.</p> Signup and view all the answers

What are the two important elements of climate discussed, and how do they vary?

<p>The two important elements are temperature and precipitation, which vary from place to place and season to season.</p> Signup and view all the answers

What is the temperature range in the desert regions of Rajasthan during summer?

<p>In summer, temperatures in Rajasthan's desert can reach up to 50°C.</p> Signup and view all the answers

What temperature can Drass, Jammu and Kashmir reach during winter nights?

<p>During winter nights, the temperature at Drass can drop as low as minus 45°C.</p> Signup and view all the answers

How does the temperature variation differ between day and night in the Thar Desert?

<p>The Thar Desert can have a day temperature of 50°C that drops to around 15°C at night.</p> Signup and view all the answers

What is the typical temperature in Thiruvananthapuram during winter?

<p>In winter, Thiruvananthapuram may have a temperature of around 22°C.</p> Signup and view all the answers

What are the major effects of cyclonic depressions on monsoon rainfall in India?

<p>Cyclonic depressions can cause heavy and widespread rain, but may also lead to droughts in other regions, disrupting farming schedules.</p> Signup and view all the answers

Where do cyclonic depressions typically originate and what is their path?

<p>They originate over the Andaman Sea and usually cross over to the mainland along the eastern coasts of India.</p> Signup and view all the answers

Discuss the variability of the Indian monsoon's arrival and retreat.

<p>The monsoon's arrival and retreat are often irregular, causing unpredictable wet and dry spells.</p> Signup and view all the answers

What impacts do cyclones have on the deltas of Godavari, Krishna, and Kaveri?

<p>Cyclones frequently strike these deltas, resulting in significant damage to life and property.</p> Signup and view all the answers

What is the rainfall pattern in the western coast and northeastern India during the transition season?

<p>These regions receive over 400 cm of rainfall annually during the transition season of October-November.</p> Signup and view all the answers

Why is the rainfall low in western Rajasthan and adjoining areas?

<p>These regions receive less than 60 cm of rainfall due to their position and the weakening of the south-west monsoon winds.</p> Signup and view all the answers

How does the intensity and regularity of monsoon rains affect agriculture in India?

<p>The alternating dry and wet spells can disrupt the farming schedules and affect crop yields.</p> Signup and view all the answers

What geographical feature is associated with the lower precipitation around Leh, Jammu and Kashmir?

<p>Leh is surrounded by mountains, which contribute to its dry climate with low rainfall.</p> Signup and view all the answers

Explain the role of the south-west monsoon winds in rainfall distribution.

<p>These winds are responsible for bringing moisture-laden air that contributes to rainfall in many parts of India.</p> Signup and view all the answers

What consequences do floods and droughts have on Indian agriculture during monsoon season?

<p>Floods can destroy crops while droughts can lead to crop failure, both adversely affecting food security.</p> Signup and view all the answers

What factor causes widespread rainfall over the mainland of India during the monsoon season?

<p>The warm oceans blow over, gather moisture, and bring rainfall.</p> Signup and view all the answers

During which season do cyclonic disturbances primarily affect the weather in northern India?

<p>In the cold weather season.</p> Signup and view all the answers

What local term is used for the winter rainfall caused by cyclonic disturbances?

<p>'Mahawat'.</p> Signup and view all the answers

How does the rainfall pattern in coastal areas of India compare to the interior regions?

<p>Coastal areas experience little variation in rainfall pattern, unlike the interior regions.</p> Signup and view all the answers

What is the general temperature variation in the peninsular region during winters?

<p>There is hardly any noticeable seasonal change in temperature.</p> Signup and view all the answers

Describe the weather conditions in India from March to May.

<p>It is the hot weather season characterized by increased temperatures due to the sun's northward movement.</p> Signup and view all the answers

What atmospheric condition attracts trade winds during the advancing monsoon?

<p>The intensification of low-pressure conditions over the northern plains.</p> Signup and view all the answers

What role do the trade winds play in the advancing monsoon season?

<p>They bring moisture-laden air from the southern hemisphere to India.</p> Signup and view all the answers

How many main seasons are identified in India, and what are they?

<p>Four main seasons: cold weather, hot weather, advancing monsoon, and post-monsoon.</p> Signup and view all the answers

Study Notes

Climate of India

  • India's climate is described as monsoon type, prevalent in South and Southeast Asia.
  • Regional variations exist within the general pattern.
  • Key elements considered are temperature and precipitation.

Temperature Variations

  • Summer temperatures can reach 50°C in Rajasthan deserts to 20°C in Pahalgam.
  • Winter night temperatures in Drass can drop to -45°C.
  • Thiruvananthapuram maintains a temperature of 22°C.
  • Day and night temperature differences are significant in regions like the Thar Desert, while less so in Andaman and Nicobar Islands or Kerala.

Precipitation Variations

  • Precipitation forms in the form of snowfall in the Himalayas, rain elsewhere.
  • Meghalaya receives over 400 cm of rainfall annually.
  • Ladakh and western Rajasthan receive less than 10 cm.
  • Rainfall is primarily from June to September.
  • Regions like Tamil Nadu sometimes receive rainfall outside this period.

Climatic Controls

  • Six major controls of climate include latitude, altitude, pressure and wind systems, distance from the sea (continentality), ocean currents and relief features
  • Latitude affects solar energy receipt, influencing temperature gradients.
  • Altitude affects temperature, resulting in cooler temperatures at higher elevations.
  • Pressure and wind systems influence temperature and rainfall patterns.
  • Distance from the sea (continentality) impacts temperature extremes.
  • Ocean currents moderate coastal climates.
  • Relief features influence rainfall patterns.

Seasons

  • India experiences four main seasons: cold weather, hot weather, advancing monsoon, and retreating monsoon.
  • Cold weather season (November to February): characterized by cooler temperatures decreasing from south to north.
  • Hot weather season (March to May): characterized by rising temperatures.
  • Advancing monsoon (June to September): characterized by high rainfall intensity.
  • Retreating/post monsoon (October to November): characterized by transition from the hot, rainy season to the dry winter season.
  • Coastal areas have less contrast in temperature, while interior areas exhibit greater contrasts.

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Description

Explore the diverse climate of India, characterized by its monsoon type climate and significant regional variations. This quiz covers temperature extremes, precipitation patterns, and the climatic controls influencing weather across different states and regions of India.

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