What are the effects of global warming | Define global warming

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what are the effects of global warming

what are the effects of global warming Currently, the increase in the long-term average temperature of the Earth as a result of greenhouse gases generated due to human activities is called global warming / global warming.

what are the effects of global warming

Greenhouse gases increase the earth’s temperature by absorbing the heat from the earth, ie, radiative radiation, a process known as the ‘greenhouse effect’.

Greenhouse gases mainly consist of gases such as carbon dioxide, methane, ozone etc. During the period 1880 to 2012, the average surface temperature of the Earth has increased by 0.85°C. 

During the period 1906 to 2005, the average surface temperature of the Earth has shown an increase of 0.74 ± 0.18°C. 

Due to global warming

The main reason for global warming is the increase in the amount of greenhouse gases in the atmosphere due to human activities.

Greenhouse gases mainly include gases such as carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), ozone (O3), chlorofluoro carbon (CFCs) etc.

The effect of any greenhouse gas depends on the increase in its volume in the atmosphere, the duration of its stay in the atmosphere and the wavelength of radiation absorbed by it.

Among greenhouse gases, carbon dioxide (CO2) is present in the largest amount in the atmosphere. The emission of greenhouse gases is mainly from combustion of fossil fuels, industries, motor vehicles, paddy fields, cattle grazing, refrigerators, air conditioners etc.

Although the most abundant gases in the atmosphere are nitrogen, oxygen, and organisms, they are not greenhouse gases because their molecule contains two atoms of the same element, such as nitrogen (N2) oxygen (O2) or the same. The atom of an element is found in its molecule. 

Millions of people in South Asia are in grave danger due to global warming 

what are the effects of global warming

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  According to a recent study, by the year 2100, temperatures in large parts of India, Pakistan and Bangladesh will reach life threatening levels if emissions do not decrease due to increasing global warming.

Researchers say that up to 30 percent of the population may be exposed to dangerous humid hot winds.

Most official weather stations in the world measure temperature through two types of thermometers.

The first of these is a ‘dry bulb’ thermometer through which the air temperature is recorded. The second is a ‘wet bulb’ thermometer that measures air humidity and usually records a temperature lower than the temperature of a clean air. 

The results of the ‘fat bulb’ are very important for humans. The normal temperature inside our body is 37 centigrade.The normal temperature inside our body is 37 centigrade. The temperature of the skin is usually 35 centigrade. Jism bridges this temperature difference due to perspiration. 

Danger due to global warming 

If the temperature of the wet bulb thermometer in our atmosphere is 35 degree centigrade or more, then the body’s ability to reduce heat decreases rapidly and even the most healthy person can die in about six hours. A 35 degree centigrade upper limit is considered to be the survival of a human being. The moist temperature of 31 degrees centigrade is also considered extremely dangerous for most people. 

The temperature recorded in the wet bulb thermometer on Earth has rarely gone above 31 degrees centigrade. However, in 2015, meteorologists in Iran saw the temperature of the weight bulb to be close to 35 centigrade. In the same year, 3500 people died in India and Pakistan due to heat wave.

Possible consequences of global warming 

what are the effects of global warming

  1. Melting of glaciers: Glaciers begin to melt due to the increase in temperature and their size decreases and the glaciers retreat.
  2. Changes in rainfall pattern: Temperature plays an important role in rainfall and formation of clouds. Therefore, due to increase in temperature, the pattern or pattern will also change, that is, if the rainfall is less than before, then it will start more than before. There will also be a change in the duration of rainfall.
  3. Increase in sea level: When the water obtained by melting of glaciers gets in the seas, then the sea level rises.
  4. Floodingding of rivers: Many perennial rivers originate from the glaciers and carry the glacier waters with them. If the rate of melting of glaciers will increase then the amount of water in the river will increase which can lead to flooding.

    what are the effects of global warming

  5. Destruction of coral reefs: Coral reefs begin to be destroyed due to the rise of sea-water temperature. Presently about one-third of the coral reefs have been in crisis due to heat rise.
  6. Destruction of plankton due to rise in seawater temperature: Plankton is destroyed due to increasing seawater temperature. Plankton seawater are the primary organisms. The Alusian island ecosystem, which includes whales, sea lions, fishes, sea urchins, etc., has now shrunk due to lack of plankton.
  7. Increase in migration: If the sea level rises due to increase in temperature, coastal areas and islands will be submerged and the residents of the coastal region will be forced to migrate to the interior parts.





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