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Changes in the relationship NAO-Northern hemisphere temperature due to solar activity

机译:太阳活动引起的NAO-北半球温度关系的变化

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摘要

The influence of the North Atlantic Oscillation (NAO) on wintertime Northern Hemisphere Temperature (NHT) is investigated. The results suggest that this relationship has different sign according to the phase of the solar cycle. For solar maximum phases NAO and NHT are positively correlated - a result assumed up to the moment - but for solar minimum phases correlations are not significant or even negative. This result is in agreement with the different extension of the NAO for solar cycle phases [Kodera, Geophys. Res lett. 29 (2002) 14557-14560] - almost hemispheric for maximum phases and confined to the eastern Atlantic for minimum phases.
机译:研究了北大西洋涛动(NAO)对冬季北半球温度(NHT)的影响。结果表明,这种关系根据太阳周期的相位具有不同的符号。对于太阳最大相位,NAO和NHT是正相关的(直到目前为止都是假设的结果),但是对于太阳最小相位,相关性并不显着,甚至不是负的。这个结果与NAO对太阳周期阶段的不同扩展一致[Kodera,Geophys。回复29(2002)14557-14560]-对于最大相位,几乎为半球形,对于最小相位,则限制在东大西洋。

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