Geography

Geographical location of Odisha

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Geographical location of Odisha:- Introduction:- The state of Orissa is situated between the geographical coordinates of 81.27’E and 87.29’East longitude and 17.49’N and 22.34’North latitude. The state occupies a total area of 155,707 square kilometers. It is bound on the east by the 450 kilometer coastline of the Bay of Bengal. In the south, the … Read more Geographical location of Odisha

Climate of Odisha

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Climate of Odisha Geograraphical and Regional Situation (Physiography) of Odisha  Odisha is a state on the eastern seaboard of India, located between 170 degree 49’ and 220 degree 36’ North latitudes and between 810 36’ and 870 18’ East longitudes.  It spreads over an area of 1,55,707 sq km. and is largely divided … Read more Climate of Odisha

 Climatic changes

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    It is the long term change in the statistical distribution of weather patterns over periods of time Though it has been happening naturally for millions of years, in recent years it has accelerated due to anthropogenic causes and has been causing global warming. UNFCCC defines climate change as – “a change of climate … Read more  Climatic changes

 Global warming

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  An increase in the average temperature of Earth’s near surface air and oceans since the mid-20th century 4th assessment report of IPCC: global temperature increased 74+0.18 degree C during the 20th century. Caused by greenhouse gases Water vapour, Co2, Methane, Nitrous Oxide, Ozone, CFCs (in order of abundance) Since the industrial revolution, the burning of fossil fuels has increased … Read more  Global warming

Greenhouse effect

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  The greenhouse effect is a natural process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. It is the process by which radiation from a planet’s atmosphere warms the planet’s surface to a … Read more Greenhouse effect

Tropical and temperate cyclones

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    The atmospheric disturbances which involve a closed circulation about a low pressure centre, anticlockwise in the northern atmosphere and clockwise in the southern hemisphere are called cyclones. They fall into the following two broad categories: (a) Extra-tropical or Temperate and (b) tropical cyclones. (a) Temperate Cyclones Temperate cyclones are formed along a front … Read more Tropical and temperate cyclones

 Air masses and fronts

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  Airmasses   An airmass is a large body of air with relatively uniform thermal and moisture characteristics. Airmasses cover large regions of the earth, typically several hundred thousand square kilometers. Airmasses can be as deep as the depth of the troposphere or as shallow as 1 to 2 km. Airmasses form when air remains … Read more  Air masses and fronts

 Horizontal and vertical distribution of temperature, inversion of temperature

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  The temperature is the measurement in degrees of how hot (or cold) a thing (or a place) is. The temperature of the atmosphere is not same across the Earth. It varies in spatial and temporal dimensions. The temperature of a place depends largely on the insolation received by that place. The interaction of insolation … Read more  Horizontal and vertical distribution of temperature, inversion of temperature

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