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Carbon, Nitrogen, Oxygen and Hydrogen Biogeochemical Cycles

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According to the research, there is a number of ways through which human have been interfering and disturbing these cycles and has resulted in changes in the climate, global warming, depletion of ozone layer, and an increase in the oxidative capacity of troposphere etc. Keeling Curve by Charles Keeling, an oceanographer at the Scripps Institute of Oceanography, found that human alterations are highly affecting the natural carbon cycle. About 150 years ago, with the inception of the industrial alterations, the two major activities of human have paced up and unfortunately had lead to the long-term acceleration of atmospheric carbon dioxide.

These are burning of fossil fuels and deforestation. Smoldering of fossil fuels liberates carbon into the atmosphere because of the burning of oil and coal. Its speed of releasing carbon into the air is far greater than any means of eliminating it.   Such imbalance thus results in concentrated quantities of carbon dioxide. The process of deforestation further worsens the scenario because then the ability of forests to remove CO2 from the atmosphere goes down even more, thereby, also resulting in the same result as in case of burning, that is a net increase of CO2.

This is why the amount of carbon dioxide in the atmosphere today is much more than it was half a million years ago. The overall impact of this increase is the ‘ greenhouse effect’ because CO2 has the ability to hold heat and cause warmth, therefore another of its name is the greenhouse gas. Moreover, “ with an average increase of 0.6 degrees C in global temperature, average sea level is likely to rise from 0.09 meters to 0.88meters” , thereby, escalating the probability of severe floods.

Yet another result of such changes is their impact on the growth patterns of plants all over the world. According to scientists, it is likely that shrubby species are going to raise, the reason being they are amongst those plants, which respond favorably to the increased concentration of CO2.

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