Based on research results, the soot emitted by the rocket will accumulate at an altitude of 40 km, three times higher than passenger aircraft flight altitude. Unlike passenger aircraft emitted soot on the bottom layer of the atmosphere and will soon unravel in a matter of weeks, the soot emitted by the rocket will stay at high atmospheric layers, namely the stratosphere.
Retained soot will block out the sunlight that enters the earth. In the end, it will affect the global climate change. "The response on climate change on black carbon emissions in a relatively small number of very surprising," said Michael Mills, a researcher from the National Center of Atmospheric Research (NCAR), Boulder, Colorado. Emissions at one point will affect the climate in a wide range.
Using a computer model of the Earth's atmosphere, the scientists proved that the temperature of the earth that is under a layer of soot will be reduced by 0.7 degrees Celsius, while the Antarctic (south pole) will heat up 0.8 degrees Celsius.
Meanwhile, the equatorial region would lose 1 percent of ozone and polar regions will have an additional ozone by 10 percent. Global effect of that is the increasing number that caught the sun's heat in the atmosphere. That means, the soot is contributing to global warming.
Previous studies by Martin Ross of the Aerospace Corporation in Los Angeles, California in 2009 revealed that the soot is dangerous because a direct rocket released in the stratosphere, where ozone is located. Through this study, he hopes to coordinate the scientists, engineers and business owners for space flight rocket can discuss this.
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