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Subject: Geography For Class : VI Variations In Climate Varied land forms features.

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Presentation on theme: "Subject: Geography For Class : VI Variations In Climate Varied land forms features."— Presentation transcript:

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3 Subject: Geography For Class : VI

4 Variations In Climate Varied land forms features

5 EQUATORIAL REGION TROPIC OF CANCER High Temp Low range High Temp Low range High range of Temp Vast Latitudinal extent The Tropic of Cancer passes through India dividing it into two halves.. The Southern half lies in the Tropical zone. The Northern half lies in the Temperate Zone

6 AGRA 16 0 C in Jan AGRA 16 0 C in Jan Darjeeling 4 0 C in January Darjeeling 4 0 C in January ALTITUDE HIGH ALTITUDE LOW ALTITUDE Temperature decreased from low to high altitude Decrease in Temperature Some places like Agra and Darjeeling lie on the same latitude but as Darjeeling is situated at a higher altitude are colder than places in the plains.

7 FACTORS AFFECTING INDIAN CLIMATE The Himalayan Mt. Surrounding Seas Distance from Sea Relief Features

8 Factors Affecting Climate of India The Himalayas In winters act as a barrier against the bitterly cold winds from the Arctic. In summer they trap the monsoon winds and bring rain to India.

9 THE HIMALAYAS- CLIMATIC BARRIER Monsoon Wind Cold Wave

10 Monsoon Wind Receives high rainfall Receives low rainfall RELIEF Western Ghat Mt. Western slopes of the Western Ghats get very heavy rain fall. Places to the East receive low rain fall.

11 MUMBAI CHENNAI KOLKOTA DELHI SIMLA DISTANCE FROM SEA Coastal areas have moderate climate where as Interior parts have extreme climate.

12 RHYTHM OF SEASONS COLD WEATHER RETREATING MONSOON HOT WEATHER SOUTH WEST MONSOON

13 It extends from December to February. Average temperature in the Northern Plains is between 10° C and 15°C North India experiences intense cold..There is light rainfall during winter. This is caused by Cyclonic storms which originate from the Mediterranean sea and Travel towards India These winds are WESTERN DISTURBANCE Occasional tropical cyclone visit eastern coast in this season. Winter Season They cause heavy snowfall in the Himalayas and rain in the plains.

14 Ganga Delta Northern Plain WIND DIRECTION- WINTER Tropical cyclone

15 WINTER RAINFALL RAINFALL DUE TO WESTERN DISTURBANCES RAINFALL DUE TO NORTH EAST WIND

16 The Summer Season Summmer starts from April and lasts till June. Northern Plains record highest temperature. Deccan is comparatively cooler The hot dry wind LOO blows over Northern Plains. Kalbaisakhi Occurs in West Bengal and Assam. Mango showers occur in Karnataka and Kerala

17 SOUTH WEST MONSOON SEASON It extends from June to September. Intense heating in north west India creates low pressure region. Low pressure attract the wind from the surrounding region. After having rains for a few days sometime monsoon fails to occur for one or more weeks is known as break in the monsoon. It extends from June to September. Intense heating in north west India creates low pressure region. Low pressure attract the wind from the surrounding region. After having rains for a few days sometime monsoon fails to occur for one or more weeks is known as break in the monsoon. HIGH TEMPERATURELOW PRESSURE

18 EQUATOR MONSOON WIND SE Trade Arabian sea Branch Bay of Bengal Branch

19 ONSET OF SW MONSOON 1 st June 5 th June 10 th June 15 th June 1 st July 15 th July

20 It extends from October to November. In October the temperature starts dropping there is LOW PRESSURE ZONE in Northern India and cannot attract monsoon winds. The south -west winds retreat gradually. They blow from land to sea. They do not cause any rain except in Tamilnadu. ure region shift from northern parts of India towards south. Owing to the conditions of high temperature and humidity, the weather becomes rather oppressive. This is commonly known as the October heat It extends from October to November. In October the temperature starts dropping there is LOW PRESSURE ZONE in Northern India and cannot attract monsoon winds. The south -west winds retreat gradually. They blow from land to sea. They do not cause any rain except in Tamilnadu. ure region shift from northern parts of India towards south. Owing to the conditions of high temperature and humidity, the weather becomes rather oppressive. This is commonly known as the October heat RETREATING MONSOON SEASON LOW PRESSURE

21 DISTRIBUTION OF RAINFALL > 200cm cm cm < 50cm Broadly,India can be divided into Four rainfall regions Very heavy rainfall heavy rainfall moderate rainfall scanty rainfall

22 Very heavy rainfall regions:more than 200cm Of rain in a year. the Western Coastal Plains The western slopes of theWestern Ghats. Most of the northeastern states. Heavy rainfall regions :between 100to 200cm of rain in a year. The Ganga plains in Bihar and West Bengal. The Himalayan region. The Northwestern part of the Peninsular Plateau Parts of the Western Ghats. The east coast and the north east India

23 Moderate rainfall region: Annual rainfall between cm The upper Ganga plain Eastern Rajasthan Punjab Haryana and Soutern Kashmir Parts of the Deccan Plateau –Karnataka, Andhra Pradesh& Tamilnadu. Scanty rainfall region lessthan 50 cm Western Rajasthan Southern Punjab and Northern Gujarat. Eastern slopes of the Western Ghats. Northern Parts of Kashmir.

24 HOT WEATHER SEASON March 30 0 C April 38 0 C May 48 0 C

25 TEMPERATURE- JULY 20 0 C 25 0 C 30 0 C 20 0 C 30 0 C 25 0 C 30 0 C

26 LetsEvaluate Mention the Three factors which affect Indias climate. Why are the Himalayas important in determinig Indias climate Give the four Major seaons of India. What are western disturbances in which area do they cause rain? Which months are known for the retreating monsoon? Which is the rain shadow area? Name the four rainfall regions. Which region receives the the least amount of rainfall.

27 CLIMATE CHANGE & INDIA India has long coast line and rise of sea level will submerge large area. A population of 7.1 million living in coastal areas will be affected. Production of crops like wheat, rice etc will decrease. The natural disasters like cyclone, floods and drought will increase in frequency as well as intensity. India has long coast line and rise of sea level will submerge large area. A population of 7.1 million living in coastal areas will be affected. Production of crops like wheat, rice etc will decrease. The natural disasters like cyclone, floods and drought will increase in frequency as well as intensity. MUMBAI CHENNAI KOLKOTA

28 Prepare a power point presentation: showing the distribution of rainfall. how life is affected with excess rain or draught. Read and record the rainfall and temperature data of your city for 15days and make a graph. Study this years rainfall and compare it with Last year. Prepare a power point presentation: showing the distribution of rainfall. how life is affected with excess rain or draught. Read and record the rainfall and temperature data of your city for 15days and make a graph. Study this years rainfall and compare it with Last year.

29 Prepare a ppt. answering the following: Explain Monsoons its advantages Prepare for a group discussion.Change in Climate in India. Prepare an analysis of yearly temperature and rainfall data by using different graphs and upload it to Collect photographs of monsoon and upload to or Prepare a ppt. answering the following: Explain Monsoons its advantages Prepare for a group discussion.Change in Climate in India. Prepare an analysis of yearly temperature and rainfall data by using different graphs and upload it to Collect photographs of monsoon and upload to or


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