Global warming causing more tropical storms: NASANASA NASA: see National Aeronautics and Space Administration.
in full National Aeronautics and Space Administration
Independent U.S. study released Friday.
The space agency's Jet Propulsion Laboratory “JPL” redirects here. For other uses, see JPL (disambiguation).
Jet Propulsion Laboratory (JPL) is a NASA research center located in the cities of Pasadena and La Cañada Flintridge, near Los Angeles, California, USA. (JPL) said a study by its scientists "found a strong correlation between the frequency of these clouds and seasonal variations in the average sea surface temperature Sea surface temperature (SST) is the water temperature at the surface. In practical terms, the exact meaning of "surface" will vary according to the measurement method used. of the tropical oceans."
"For every degree Centigrade (1.8 degrees Fahrenheit) increase in average ocean surface temperature, the team observed a 45-percent increase in the frequency of the very high clouds," according to the study, recently published in Geophysical Research Letters Geophysical Research Letters is a publication of the American Geophysical Union. GRL is the organization's only letters journal. Since its introduction in 1974, GRL has published only short research letters, typically 3-5 pages long, which focus on a specific discipline or .
"At the present rate of global warming of 0.13 degrees Celsius (0.23 degrees Fahrenheit) per decade, the team inferred the frequency of these storms can be expected to increase by six percent per decade."
JPL Senior Research Scientist Hartmut Aumann headed the study on five years of data from the Atmospheric Infrared Sounder The Atmospheric Infrared Sounder (AIRS) is an instrument on the Earth Observing System Aqua satellite, launched in May 2002. It samples 2378 channels of infrared radiation from the Earth, and can produce maps of the globe showing the concentration of a number of gases in the (AIRS) on NASA's Aqua spacecraft, an instrument that observes climate variations.
The link between global warming and the frequency and intensity of severe storms has long been a source of speculation for climate modelers, noted the Pasadena, California-based JPL.
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|Publication:||AFP Global Edition|
|Date:||Dec 19, 2008|
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