Volume : IV, Issue : V, May - 2015
The Changing Climate
Paresh V Modh
Abstract :
The term greenhouse effect refers oadly to the partial trapping by the atmosphere of radiation from the Earth’s surface, leading to a surface temperature that is larger than would be the case without the atmosphere. Greenhouse gases such as carbon dioxide (CO2) absorb heat (infrared radiation) emitted from earth’s surface.Some scientists are concerned that the heat in the Earth‘s atmosphere may be increasing to dangerous levels due to the greenhouse effect. Human activities especially the burning of fossil fuels since the start of the Industrial Revolution have increased atmospheric CO2 concentrations by about 40%, with more than half the increase occurring since 1971. Since 1905, the global average surface temperature has increased by about 0.8°C. This has been accompanied by warming of the ocean, a rise in sea level, a strong decline in Arctic sea ice, and many other associated climate effects. Much of this warming has occurred in the last four decades. Detailed analyses have shown that the warming during this period is mainly a result of the increased concentrations of CO2 and other greenhouse gases. Continued emissions of these gases will cause further climate change, including substantial increases in global average surface temperature and important changes in regional climate. The magnitude and timing of these changes will depend on many factors, and slowdowns and accelerations in warming lasting a decade or more will continue to occur.
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DOI : 10.36106/ijsr
Cite This Article:
Paresh V Modh The Changing Climate International Journal of Scientific Research, Vol : 4, Issue : 5 May 2015
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Paresh V Modh The Changing Climate International Journal of Scientific Research, Vol : 4, Issue : 5 May 2015
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