New research: European heat waves are related

Xinhua News Agency, Beijing, July 22 (Reporter Qiao Benxiao) German researchers recently published papers in the British "Nature · Communication" magazine that the trend of accelerated in European heat waves has increased frequency and duration of "dual rapids" over the Eurasian "dual rapids" over Eurasia. related. This shows that in addition to thermodynamic driving factors, changes in atmospheric dynamics have also prompted European heat waves to accelerate.

New studies participated by institutions such as the Institute of Climate Institute of Climate Institute of Climate in Germany believe that Europe has become a "hot area" in heat waves. Compared with other regions in the northern hemisphere, the growth trend of frequency and intensity of European heat waves in the past 42 years is significantly faster. This acceleration trend is related to the frequency and duration of "dual rapids" over the Eurasian mainland.

Researchers calculate that this association is particularly significant in Western Europe. 35%of the local temperature changes can be explained by "dual rapids", and the trend of acceleration of local heat waves can almost attribute to the continuous growth trend of "dual rapids". Essence

Speed ​​flow refers to a narrow strong wind band with a wind speed of more than 30 meters per second, which is an important feature of the atmospheric circulation. Under the influence of certain factors, the rapids over the European continent are sometimes a "dual rapids" by one point, which is conducive to the production of extreme high temperature. New studies have shown that in addition to thermodynamic drivers, changes in atmospheric dynamics have also promoted the acceleration of European heat waves, which is enlightened for risk management and formulation of adapting strategies.

Rare high temperatures are "burning" in many European countries, and the highest temperature in the local area is 45 degrees Celsius. The World Meteorological Organization said on the 19th that the heat waves that are currently sweeping Europe will continue until next week.

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