简介：在西北太平洋(NWP)形成的热带气旋(TC)能有时穿过华南海(SCS)。在在11月的SCS的TC轨道在1980前与那些相比在1980以后被转移到北方，这被发现。数据分析和数字模拟证明在SCS温暖的表面可以更向北方贡献这移动。温暖在西北的SCS生产一个气旋的空气发行量异例并且一联系在驾驶TC到北方的中央SCS南方。

简介：Asthestrongestsubseasonalatmosphericvariabilityduringborealwinter,threeremarkablesuddenstratosphericmajorwarming(SSW)eventsinthe2000sareinvestigatedintermsoftheBrewer–Dobsoncirculation(BDC)response.Ourstudyshowsthatthechangesofcross-isentropicvelocityduringtheSSWsarenotonlyconfinedtothepolarregion,butalsoextendtothewholeNorthernHemisphere:enhanceddescentinthepolarregion,aswellasenhancedascentinthetropics.WhentheaccelerationofthedeepbranchoftheBDCdescendstothemiddlestratosphere,itsstrengthrapidlydecreasesoveraperiodofonetotwoweeks.TheaccelerationofthedeepbranchoftheBDCisdrivenbytheenhancedplanetarywaveactivityinthemid-to-high-latitudestratosphere.DifferentfromtherapidresponseofthedeepbranchoftheBDC,tropicalupwellinginthelowerstratosphereacceleratesupto20%–40%comparedwiththeclimatology,20–30daysaftertheonsetoftheSSWs,andtheaccelerationlastsforonetothreemonths.Theenhancementoftropicalupwellingisassociatedwiththelarge-scalewave-breakinginthesubtropicsinteractingwiththemidlatitudeandtropicalQuasi-BiennialOscillation–relatedmeanflow.

简介：阐明Warming-up在初中英语教学中的重要作用,提出利用现代化信息技术,借助翼课网智能化同步教学平台,在Warming-up环节有效运用音乐和视频,能吸引学生的注意力,唤起学生强烈的求知欲和浓厚的学习兴趣,极大地调动学生的学习积极性。结合具体的教学实例,分析在Warming-up环节如何利用现代化信息技术合理选择并有效运用音乐和视频。