One of the most influential scientists behind the theory that global warming has intensified recent hurricane activity says he will reconsider his stand.

The hurricane expert, Kerry Emanuel of the Massachusetts Institute of Technology, unveiled a novel technique for predicting future hurricane activity this week. The new work suggests that, even in a dramatically warming world, hurricane frequency and intensity may not substantially rise during the next two centuries.

The research, appearing in the March issue of Bulletin of the American Meteorological Society, is all the more remarkable coming from Emanuel, a highly visible leader in his field and long an ardent proponent of a link between global warming and much stronger hurricanes.

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His changing views could influence other scientists.

"The results surprised me," Emanuel said of his work, adding that global warming may still play a role in raising the intensity of hurricanes. What that role is, however, remains far from certain.

Emanuel's work uses a new method of computer modeling that did a reasonable job of simulating past hurricane fluctuations. He, therefore, believes the models may have predictive value for future activity.

During and after the 2004 and 2005 hurricane seasons, which were replete with mega-storms and U.S. landfalls, scientists dived into the question of whether rising ocean temperatures, attributed primarily to global warming, were causing stronger storms.

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