2002年第6期 - ocean university of china - language selection

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1、自然海况下波浪特性的初步研究赵栋梁(中国海洋大学物理海洋研究所，物理海洋实验室，青岛，266003)摘要通过分析大量的外海浮标观测资料，发现波龄和无因次波高之间存在非常好的相关性，自然海况下的波浪场满足3/5指数律，其波龄可达到几十，远远超过风浪波龄的上限1.4，说明波浪组成波之间波-波共振非线性相互作用是波浪内部结构的主要调节机制，使波高和周期之间具有很好的相关性。关键词海浪；波龄；3/2指数律；卫星高度计中图法分类号P731.2文章编号1001-1862(2002)06-0853-06APreliminaryStudyontheCharac

2、teristicsofOceanWavesinNaturalConditionsZhaoDongliang(InstituteofPhysicalOceanography,PhysicalOceanographyLaboratory，OceanUniversityofChina,Qingdao266003,China)AbstractByusingobservationaldatafrombuoys,itisfoundthatthewaveagecorrelateswellwiththenondimensionalwaveheightforoc

3、eanwavesinnaturalconditions，whichareinaccordancewiththe3/5-powerlaw.Theestimatedwaveageismuchgreaterthan1.4,whichisregardedasthemaximumvalueforwindwaves.Itisshownthatthedominatingmechanismoftheinternalstructureofoceanwavesisnonlinearwave-waveresonantinteractionamongthecompon

4、entsofoceanwaves,whichadjuststhecorrelationbetweenwaveheightandwaveperiod.Keywordsoceanwave;waveage;3/2-powerlaw;satellitealtimeter一次黄海海雾的三维数值模拟研究傅刚１张涛２周发锈１(1中国海洋大学海洋气象系，青岛，266003)(2海军水文气象中心，北京，100883)摘要本文利用1个考虑了地形效应、植被影响、长波辐射、地表能量收支、液态水的重力沉降等影响雾的形成和发展主要因子的三维海雾模式,模拟了1995-06-

5、01发生在黄海的1次实际海雾过程，分析了海雾生长、发展和消亡过程中液态水含量和其它物理量的三维时空分布变化特征。结果表明，该模式能较好地模拟出黄海海域实际的海雾生消过程，对海雾的三维结构有一定的模拟能力。关键词黄海；海雾；三维数值模拟中图法分类号P722.5；［P47］文章编号1001-1862(2002)06-0859-09Three-DimensionalNumericalSimulationofRealSeaFogEventovertheYellowSeaFuGang１ZhangTao２ZhouFaxiu１(1Dept.ofMarineM

6、eteorology,OceanUniversityofChina,Qingdao266003,China)(2NavalHydrometeorologyCentar,Beijing100883,China)AbstractInthispaper,athree-dimensionalseafogmodel,inwhichthetopographicandvegetatveeffects,long-waveradiation,surfaceenergybudgetaswellastheliquidwatercontentgravitationa

7、lsedimentoffogdropletsareconsidered,isemployedtosimulatearealseafogeventonJune1,1995overtheYellowSea.Thethree-dimensionalcharacteristicsoftheliquidwatercontentandotherfactorsduringtheformation,developmentanddissipationstagesofseafogarediscussed.Itshowsthatthemodelsimulatesth

8、eevolutionaryprocessofarealseafogeventovertheYellowSeawell.Thepresentmodeli