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Why do people all over the world dress differently?. CLIMATE OF INDIA. Subject: Geography For Class : VI. Variations In Climate. Varied land forms features. Some places are extremely hot while some are very cold. Coastal have moderate climate. Thar desert is extremely dry.

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slide1

Why do people all over the

world dress differently?

slide2

CLIMATE OF

INDIA

Subject: Geography

For Class : VI

variations in climate
Variations In Climate

Varied land forms features

  • Some places are extremely hot while some are very cold.
  • Coastal have moderate climate.
  • Thar desert is extremely dry
slide4

Vast Latitudinal extent

EQUATORIAL REGION

  • The Tropic of Cancer passes through India dividing it into two halves .
  • .

TROPIC OF CANCER

High range of Temp

High Temp

Low range

The Northern half lies in the Temperate Zone

The Southern half lies in the Tropical zone.

slide5

AGRA

160C in Jan

Darjeeling

40C in January

ALTITUDE

Temperature decreased from low to high altitude

HIGH ALTITUDE

Decrease in Temperature

LOW ALTITUDE

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.

slide6

FACTORS AFFECTING INDIAN CLIMATE

  • The Himalayan Mt.
  • Surrounding Seas
  • Relief Features
  • Distance from Sea
factors affecting climate of india
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.
slide8

THE HIMALAYAS- CLIMATIC BARRIER

Cold Wave

Cold Wave

Cold Wave

Cold Wave

Monsoon Wind

Monsoon Wind

Monsoon Wind

Monsoon Wind

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RELIEF

Receives high rainfall

Western slopes of the Western Ghats get very heavy rain fall.

Places to the East receive low rain fall.

Western Ghat Mt.

Monsoon Wind

Receives low rainfall

Monsoon Wind

Monsoon Wind

slide10

SIMLA

DELHI

KOLKOTA

MUMBAI

CHENNAI

DISTANCE FROM SEA

Coastal areas have moderate climate where as Interior parts have extreme climate.

slide11

RHYTHM OF SEASONS

HOT WEATHER

RETREATING MONSOON

COLD WEATHER

SOUTH WEST MONSOON

winter season
Winter Season
  • 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.

They cause heavy snowfall in the Himalayas and rain in the plains.

slide13

WIND DIRECTION- WINTER

Northern Plain

Ganga Delta

Tropicalcyclone

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WINTER RAINFALL

RAINFALL DUE TO WESTERN DISTURBANCES

RAINFALL DUE TO NORTH EAST WIND

the summer season
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
slide16

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.

HIGH TEMPERATURE

LOW PRESSURE

slide17

MONSOON WIND

Arabian sea Branch

Bay of Bengal Branch

EQUATOR

SE Trade

SE Trade

SE Trade

SE Trade

slide18

ONSET OF SW MONSOON

15th June

15th July

1st July

10th June

5th June

1st June

slide19

RETREATING MONSOON SEASON

  • 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’

LOW PRESSURE

slide20

DISTRIBUTION OF RAINFALL

  • Broadly ,India can be divided into Four rainfall regions
  • Very heavy rainfall
  • heavy rainfall
  • moderate rainfall
  • scanty rainfall

> 200cm

100-200cm

50-100 cm

< 50cm

slide21
Very heavy rainfall regions:more than 200cm

Of rain in a year.

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

  • the Western Coastal Plains
  • The western slopes of theWestern Ghats.
  • Most of the northeastern states.
slide22
Moderate rainfall region:

Annual rainfall between 50—100cm

Scanty rainfall region lessthan 50 cm

Western Rajasthan Southern Punjab and Northern Gujarat.

Eastern slopes of the Western Ghats.

Northern Parts of Kashmir.

  • The upper Ganga plain
  • Eastern Rajasthan Punjab Haryana and Soutern Kashmir
  • Parts of the Deccan Plateau –Karnataka, Andhra Pradesh& Tamilnadu.
slide23

May 480C

April 380C

March 300C

HOT WEATHER SEASON

  • It extends from March to May.
  • Vertical sun rays shift towards Northern hemisphere.
  • Temperature rises gradually from south to north.
  • Highest Temperature experiences in Karnataka in March, Madhya Pradesh in April and Rajastan in May.
slide24

TEMPERATURE- JULY

250C

200C

300C

250C

200C

300C

300C

slide25

Let’sEvaluate

  • Mention the Three factors which affect India’s climate.
  • Why are the Himalayas important in determinig India’s 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.
slide26

KOLKOTA

MUMBAI

CHENNAI

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.
slide27

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.
slide28

Prepare a ppt. answering the following:

  • Explain Monsoons its advantages
  • www.climateofindia.pbwiki.com
  • 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 www.climateofindia.pbwiki.com.
  • Collect photographs of monsoon and upload to or www.climateofindia.pbwiki.com.