Spring has come to the U.S. for 1.5 months earlier because of climate change

The earliest spring on the East Coast of the U.S. in the last 150 years due to abnormally high temperatures in 2010 and 2012.

Spring primroses appeared on the U.S. East Coast for a few weeks before the "necessary", scientists have linked unusually early onset of spring with global climate change.

"We're already seeing primroses that usually appear at least three weeks later, and some" hasty "in six weeks," – said the head of research fellow at Harvard University, Charles Davis (Charles Davis).

Experts from Harvard, Boston and the University of Wisconsin (USA) conducted a study which showed a relation of this phenomenon with abnormal temperatures in 2010 and 2012.

According to a report by the World Meteorological Organization, climate change has accelerated in recent decades, with the result in 2010 was the warmest year on record since 1850, and the period from January to October 2012 was ninth in the list of the most warm for the same period.

The scientists analyzed stored in the archives of meteorological data for two states – Wisconsin and Massachusetts – from the middle of the XIX century to the present day, and compared them with the records of the dates the appearance of primroses. Experts came to the conclusion that the primroses "respond" to changes in timing of the spring, and the recent record high temperatures are likely to "remember" the plants, causing them to significantly change the annual rhythms.

The researchers noted that the plants tend to bloom all earlier in the spring in both states for which data were collected. The authors believe that it is necessary to extend the field of observation and study the situation on the other parts of the coast.

Category: Climate

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