Knowing Of Global Warming
Global warming is defined as the increase of temperature average of the atmosphere
, sea and land earth. At this time the earth is warming rapidly. According to the meteorologist, during the last hundred years, the average temperature has increased from 15oC to be 15.6oC. Results of measuring more accurate by meteorology station data and satellite measurements since 1957, shows that ten years hottest is occurred after 1980, three years hottest occurred after 1990. The quantitative changes in the value of the average temperature this earth is very small but the impact of the extraordinary environment.
Main cause of global warming is burning fossil fuels, like coal, oil and natural gas, which release carbon dioxide and other gases such as methane, chlorofluoroc carbon, sulfur and so forth. The extrication of gases has caused the emergence of a phenomenon called the Glass House Effect (green house effect).
Greenhouse effect occurs because the gases were released from the burning of fossil fuels such as greenhouse. Greenhouse radiation leak is short wave radiation from the sun, but will hold the reflection of solar radiation that reaches the earths surface, changes to long wave radiation. During the sun is shining, the accumulation will occur so that the radiation temperature in the greenhouse will be warm.
In general, the state of industrial countries such as USA, UK, France, Germany, Italy, Russia, Japan and Canada are the biggest greenhouse gas producer, so they are most responsible countries for Global warming. To neutralize negative image attached to the industrialized countries, they often accuse of developing countries such as Indonesia and Brazil have the forest area, also took responsibility for global warming due to logging practices. In fact the demand of wood stoke in the industrialized countries are largely met from logging forests in developing countries.
Impact of global warming that occurred in each country is different because the fact of climate in each country is different and consists of tropics and subtropics. In the Subtropics country that has 4 seasons, especially the impact of global warming changes occur in the more extreme temperatures during summer (temperatures over summer) and during winter (temperature of more cold). While the impact occurred in tropical regions, especially affect the shift in season (beginning and end of the rainy season or drought) and increased cases of disease outbreaks. In addition, the impact is felt by the island nation is a threat to the reduced length of the coastline due to rising sea level due to the melt of layer in the polar ice.
The impact caused the global warming that is very diverse impact on the weather, higher sea front, agricultural, animal and plant and human health.
Due to global warming, temperature in the winter and the evening will increase. Increased rainfall, the water will evaporate more quickly from the ground, consequently some areas will become dry from the previous. Hurricane storms occur more frequently.
Global warming will melt more ice in the poles. As a result, level of sea surface around the world have increased 10-25 cm during the 20th century. Predicted in the 21st century, there will be a high increase in the face of water between 9 88 cm. According to the calculations of experts IPPC (International Panel on Climate Change), increasing 100 cm of sea surface will be drown 6 percent the Netherlands, 17.5 percent of the Bangladesh, and thousands of small islands in Indonesia will be drowned.
Outbreaks of disease that is usually found in tropical areas, such as malaria and dengue fever predicted will be increased by 60%. The fact that the result shows that the heat wave that occurred in June 2003 killed 25,000 European people. Meanwhile, according to BBC reports, the extreme winter conditions that occurred in December 2003, has been caused the death of the UK citizen in 2500. Even according to the WHO report in December 2003, global warming has killed 150 thousand people each year. According to WHO estimates, in 30 years, mortality caused by global warming will be reached 300 thousand per year.
by: Rangga Cipta Diputra
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