简介:波浪光线理论被采用与不对称的基本流动在台风学习旋涡Rossby波浪的繁殖小径(光线)的特征,在正切的不对称的基本流动被在对称的基本流动上附加wavenumber-1不安流动构造的地方,并且光线的基本流动从非分叉方程被导出。在某个远处,在组速度和旋涡Rossby波浪的光线的斜坡上的基本流动的不对称现象的影响主要是的结果表演在最大的风(RMW)的半径附近专注,而它在RMW外面减少。在不对称的基本流动的旋涡Rossby波浪的光线、正切的组速度的分布是仔细,与这个组上的光线、正切的基本流动的不对称的基本流动,和重要性的最大的速度的方位角地点有关,速度将随着半径变化。另外,在基本流动的更强壮的不对称现象总是对应于旋涡Rossby波浪的更快的外面的精力繁殖。简言之,组速度,并且从而,波浪精力繁殖和旋涡Rossby波浪光线在台风倾斜,将被基本流动的不对称现象改变。
简介:TheKdVequationwithtopographyincludedinanN-levelmodelisderived.Itisshownthatifthetopographyex-ists.theKdVequationmaydescribethesolitaryRossbywavesinthecaseofbasiccurrentwithoutverticalshear,anditisnonecessarytointroducetheMKdVequation.Theresultsofcalculationsshowthatthechangeofhorizontalshearpatternofbasicflowmaycauseanimportantchangeofthestreamlinepatternofthesolitarywaveswiththeoddmeridionalwavenumberm,andhasnoeffectfortheevenmeridionalwavenumberm.Theverticalshearincreasesthesteepnessofthebarotropicsolitarymodes,andithasacomplicatedeffectonthebaroclinicmodes.Theinfluencesoftopographicslopeonthesolitarywavesareverygreat.Thesouthernandnorthernslopesoftopographymaycausedif-ferentsolitarywavepatterns,withtheeffectofnorthernslopegreater.TheeffectofFroudenumberonthesolitarywavesisgenerallytosteepenthesolitarywaves,however,theeffectalsodependsonthemeridionalwavenumbermandthemodesofsolitarywave.
简介:AninhomogeneousKdVequationincludingtopographicforcingisderivedbyusingperturbationexpansionsandstretchingtransformsoftimeandspace.ThegenerationofforcedsolitaryRossbywavesbytopographyinanear-resonantflowandtheirinteractionswithfreesolitarywavesarediscussed,andsomeinterestingresultsareobtained.Thenumericalresultsshowthatthetopographyhasobviouseffectonenhancingtheamplitudeofdisturbances,anditmayexplaintosomedegreetheformationofblockingbylocalizedtopography.
简介:Toaddtothegrowingmatureresearchonthetropical30-50dayoscillationsfromanewprospective,thecurrentworkbasesondynamicanalysisofbaroclinicquasi-geostrophicmodelstodiscussdynamicmechanismsforthegenerationandpropagationofCISK-Rossbywaves,andtounderstandrestraintsandeffectsofdifferentwavestructuresandthermodynamicforcingonthe30-50dayoscillationsinthetropicalatmosphere.Someimportantpropertiesoftheoscillationpropagationhavebeenexplainedand,indetail,withrespecttoitsmeridionalpropagationandvertical'baroclinic'structure.Theworkhascomeupwithsomenewopinionsandviewpoints.Newopinionsaboutthepropagationandenergydispersionaretobeprovedbymoreobservationsandstudy.
简介:Characteristicsofthewavesources,energypropagationandconversionforanomalousRossbywaveactivities(RWAs)alongtheWestAsianjetstream(WAJS)insummerareexaminedbasedontheNCEP/NCAR(NationalCentersforEnvironmentalPrediction/NationalCenterforAtmosphericResearch)reanalysisdatafrom1958to2003,usingthevorticitysourceequation,theEliassen-Palm(EP)flux,andthewaveenergyequationunderdiabaticheating.ThestudyaimstofindthedynamicalcausesforRWAanomaliesalongtheWAJSandtoimprovetheunderstandingofmid-highlatitudecirculationanomalies.TheresultsshowthatthenegativevorticitysourceandthestrongEPfluxdivergenceovertheMediterraneanSeaandtheNorthAtlantic-ScandinavianPeninsulaareaactasthewavesourcesforRWAanomaliesalongtheWAJS.Whentheintensityandpositionofthewavesourcesareanomalous,theexcitedeastward-propagatingRWAalongtheWAJSalsobehavesanomalously.Instrong(weak)yearsofRWA,RossbywavesexcitedbythestrongdivergenceofEPfluxesovertheIceland-ScandinavianPeninsulaarea(easttotheScandinavianPeninsula)propagateeastwardandsoutheastward.Theeastwardpropagatingwavesbecomestrengthened(weakened)afterturningsoutheastwardneartheUralMountainsandthenenteringtheAsiansubtropicalwesterlyjetstream(ASWJS)overtheCaspianSea-AralSea-Xinjiang.Thesoutheastwardpropagatingwavesalsostrengthen(weaken)afterdirectlyenteringtheASWJSovertheeasternMediterranean-theBlackSea.Furthermore,thedivergenceofEPfluxesovertheMediterraneanalsostrengthens(weakens)inthestrong(weak)years,sotheyjointlybringaboutthestrong(weak)RWAalongtheWAJS.Finally,thepertur-bationavailablepotentialenergy(PAPE)alongtheWAJS(15°-60°E)producedbydiabaticheating,isfargreaterthantheconversionfromthekineticenergyofthebasicflowintotheperturbationkineticenergyandfromtheavailablepotentialenergyofthebasicflowintoPAPE.TheRWAalongtheWA
简介:绝热无摩擦下,位涡(PV)的守恒性、不可渗透性和可反演性使之非常广泛地应用在中高纬度天气学诊断分析中,但由于其本身不包含力管项,无法描述强烈天气的快速流形等局限性,因此分析了ZdunkowskiandBott(2003)提出的斜压Ertrl.Rossby不变量(ERI),结果表明,绝热无摩擦条件下的ERI在其表达式中就已经明确地包含了螺旋度和PV的表达式,同时也涵盖了斜压大气中的力管项效应,可以描述快速流形的天气系统,具有Pv所不能取代的优点,这使得它具有非常广泛的潜在应用价值。在此基础上,还利用ERI诊断了2003年7月3-6日的一次梅雨降水过程,结果表明,ERI完整地刻画了这次降水带南移及降水强度变化的特点,随着24h累积降水带的移动,ERI低值区也随之移动,二者吻合非常好。和PV相比,ERI对降水落区及强度变化的诊断能力更强。
简介: 振动产生波,波进入人的身体,然后感受到一切。那人感受到的是万物还是波呢?答案是人感受到地是波。有人可能会有疑问,人明明感受到包括物质,空间,颜色,声音味道等,然而那只是波让人觉得如此。物质,空间,颜色,声音和味道是人间接感受到的,波是人直接感受到的(要站在人自己的角度来看)。
简介:摘要:《应用量子物理学》[5]Applied Quantum Physics多级[3]重大科学发现,由量子[8]算法[6]求出,宇宙波从次声波-声波-短波-微波-太赫兹的弱八流八波阶[4],到黯-紫-靘-蓝-绿-黄-橙-红至崔卡空间32流形65秘钥[7],因为宇宙统一场质体八壳层[9]、波长&频率不连续[4]、角速度&光速不连续[2],对应的波电转换电池板元素八壳层基本特征值不匹配至缺相,才是光(波)电转换率[1]低的根本原因,终由宇宙波八波阶光电转换率实验[1]-反向脉冲实验[10],学术链延伸再由应用量子能源学跟进实验获颠覆性发现
简介:我同普定这片土地有缘。三十多年中,我两次从地专机关下放劳动锻炼都是在普定县。1957年,下放这个县的小窑乡,我跟房东步行15华里,到靛山的煤洞上去挑煤。1969年,下放这个县的鸡场公社骂若大队,同社员们一起,到凉风洞背石头修水轮泵站。赶场天,相约去鸡场坡赶场,买电池,吃狗肉汤锅。搞工作组,当新闻记者,我又无数次地来到普定。我曾在小窑新寨的牛圈楼上点着煤油灯写小说;我曾和老友向剑辉坐在莲花洞口的一个石包上,边嚼干壳饼,边构思描绘普定十年变迁的电影剧本。三十多年中,我先先后后在普定结识了许多文友:向剑辉、高楠、蒙萌、易勇、刘艳、贾正宁、陈凯、帅昕、丁杰……