Heated Cities Affect Temperatures Thousands of Miles Away

Photo Credit: http://www.guardian.co.uk

Tall, heated buildings, warm cars and cozy houses; with all of this warm in the coldest of temperatures does it have an effect on the outside temperature?

According to research performed by researchers from Scripps Institution of Oceanography, Florida State University as well as the National Center for Atmospheric Research, the answer is yes.

According to Discovery News, when the heat from heavily heated cities is compared to the entire planet, the effect that is has barely measures up with a mere 0.3 percent of total energy that crosses over to cooler regions during the winter season through weather. However, his man-made heat could be just enough to affect the circulation systems within the atmosphere.

What researchers have been discovering is that the excess man -made heat that comes from buildings and cars in urban areas across the Northern Hemisphere are increasing remote areas of North America as well as northern Asia’s temperatures. It is reported that the temperatures are increasing by as much as 1 degree C, which converts to about 1.8 degrees F.

The effects of these temperatures in areas like Europe however, are different. The heating only makes a difference of 0.01 degrees C, which converts to about 0.02 degrees F.

According to Aixue Hu, a National Center for Atmospheric Research scientist, “The burning of Fossil fuel not only emits greenhouse gases but also directly affects temperatures because of heat that escapes from sources like buildings or cars.” Hu explained, “Although much of this waste heat is concentrated in large cities, it can change atmospheric patterns in a way that raises or lowers temperatures across considerable distances.”

Although our winter heating habits are starting to have an effect, this doesn’t mean we should be cold in the winter, but perhaps we can lower the heat just a little.

This story contains information from Discovery News.



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