Climate Change The Greenhouse Gases - 1409 Words

â€Å"The Greenhouse Effect† or â€Å"Greenhouse gases† have become somewhat of scary concepts in relation to climate change. In fact, without the Greenhouse effect, the average temperature of the Earth would be 5F rather than the current average at 59F. Greenhouse gases are composed mostly of water vapor, but also carbon dioxide, methane, and certain types of clouds. These gases lie in the troposphere of the atmosphere and allows the shortwave radiation of the sun to pass through the atmosphere and warm the Earth’s surface as energy is absorbed, while the longwave radiation is delayed from being transmitted back into space through greenhouse gases. The waves are absorbed by greenhouse gases and bounced back to the Earth’s surface, conserving†¦show more content†¦Another technique that is used is obtaining information of past climate from ice cores. Scientists drill deep into glaciers and compare the oxygen isotopes o16 and o18 which are ofte n found in water and calcium carbonate molecules. O16 is the lighter isotope and precipitation tends to be abundant in o16. When temperatures are high, more water vapor containing o18 is in the atmosphere, so analyzing the o16/18 ratio in ice cores can act as a thermometer for the past. This oxygen isotope analysis can be used in oceanic sediments as well as coral reefs. Many of the most important ice cores have been taken from Dome C in Antarctica where the arctic cap is at it’s thickest. Scientists have been able to obtain cores that are more than 2 miles deep and provide climate and atmospheric data dating back 800,000 years that includes eight glacial/interglacial cycles. These cores have shown that global temperature is correlated with greenhouse gas concentration. Pollen analysis can also provide data on temperatures and atmospheric conditions of the past. Pollen from trees and other plants that are preserved in the sediment of bogs or lakes are radiocarbon date d providing age of the organic material that is younger than 50,000 years old. The isotope of carbon c14 decays over time at a known rate into the stable isotope of nitrogen, n14. C12 is a stable isotopeShow MoreRelatedClimate Change and Greenhouse Gases Essay987 Words   |  4 PagesGlobal Warming and Greenhouse Gases   Ã‚   The United States releases twenty tons of carbon monoxide per person per year. Carbon Monoxide release is a result of burning fossil fuels with an insufficient amount of oxygen that causes the formation of carbon monoxide that pollutes our environment. Everyday fuel is burnt by cars, airplanes, large factories and manufacturing plants. This is causing a very large and deadly problem for our environment. When gases used on earth are released into the atmosphereRead MoreEssay about Climate Change and Greenhouse Gases1365 Words   |  6 PagesGlobal Warming and Greenhouse Gases    Humans are polluting our atmosphere causing the Greenhouse Effect.   What’s the Greenhouse Effect?   â€Å"The Greenhouse Effect can be visualized as follows: imagine that Earth has been encircled by a giant glass sphere.   The heat of the sun penetrates through the glass.   Some of the heat is absorbed by the Earth, and some is radiated back towards space.   The radiated heat reaches the glass sphere and is prevented from dispersing any further†(Global Warming TheRead MoreThe Effects Of Greenhouse Gases On Our Climate Change951 Words   |  4 Pagesdiscussed in detail the effects of global climate change and the effect of greenhouse gasses in our atmosphere. I will discuss the article briefly and bring out why greenhouse gasses are affecting our climate. 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