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'Glacial Core' Another Effective way to Study Climate Change
³²¿µ¼± °­³²Æ÷½ºÆ® Çлý±âÀÚ | ½ÂÀÎ 2019.08.28 19:27

Now that global warming has become a serious issue, many scientists continue to study global warming in various ways. Using glacier core can be one way to study global warming.

Glaciers are long cylindrical glaciers pulled out from deep holes of polar glaciers with cylindrical pipes. Polar ice is a combination of snow and air which accumulates gradually for a long time. Moreover, glaciers identify the environment of the era such as volcanic eruptions, forest fires, traces of volcanic ash, dust, flora and fauna. The repetitive accumulation of glaciers over hundred thousands of years illustrates how the climate changed in each era. Therefore, glaciers are important when researching climate changes.

In addition, the interglacial period and ice age are able to be discovered by researching glaciers. In the earth, there are two types of oxygen: one with mass of 16 and the other with an isotope of 18. Therefore, two different types of glaciers formed from different types of oxygen exist. The temperature of the earth and the increment of the glacier are proportional. As the temperature on earth increases, glaciers of oxygen-18 increases. Therefore, when the temperature decreases, glaciers made of oxygen-18 also decreases. According to a study of glaciers, it is an interglacial period now. However, many scientists are concerned because the pattern of the ice age nowadays, looks quite different compared to the past.

Moreover, glacier cores show what type of oxygen is more present on Earth. According to the current glacier analysis, the increment in density of carbon dioxide and methane are each 30% and 170%. This can be attributed to the increasing number of factories as the industrial revolution begins, as the amount of carbon dioxide and methane produced in factories increases.

According to the following phenomenon and the change of ice age and interglacial age, the amount of carbon dioxide and methane gas in the interglacial period are higher than the ice age. This shows that global climate change is closely related to changes in air such as carbon dioxide and methane gas.

The results of the studies of glacial cores, helps us to compare the climate change in time. Therefore, we can easily and effectively find out the cause of global warming and climate change.


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