环境科学有关论文范例,与学周刊发表文2016年,学周刊发表文资料相关论文摘要怎么写
本论文是一篇环境科学有关论文摘要怎么写,关于学周刊发表文2016年,学周刊发表文资料相关函授毕业论文范文。免费优秀的关于环境科学及图书馆及大气科学方面论文范文资料,适合环境科学论文写作的大学硕士及本科毕业论文开题报告范文和学术职称论文参考文献下载。
Synthesizingfourrainyseasonsofhigh-resolutionprecipitationobservationsandmesoscalemodeloutput(fromthePennState/NCARMM5),revealsapersistentsmall-scalepatternofprecipitationoverthe10kmwide,800mhighridgesandvalleysofthewesternOlympicMountains,WashingtonState,USA.Thispatternischaracterizedbya50-70%excessaccumulationovertheridgecrestsrelativetotheadjacentvalleysintheannualmean.Whilethemodelshowsexcellentskillinsimulatingthesepatternsatseasonaltime-scales,majorerrorsexistforindividualstorms.Investigationofarangeofstormeventshasrevealedthefollowingmechanismfortheclimatologicalpattern.Regionsofenhancedcondensationofcloudwaterareproducedbyascentinstableflowoverthewindwardslopesofmajorridges.Synopticallygeneratedprecipitationgrowsbycollectionwithintheseclouds,leadingtoenhancedprecipitationwhichisadvectedbytheprevailingwinds.
Instancesofatypicalpatternsofprecipitationsuggestthatundercertainconditions(duringperiodswithalowfreezinglevel,orconvectivecells)fundamentalchangesinsmall-scalepatternsmayoccur.However,case-studiesandpositeanalysissuggestthatdeparturesfromthepatternofridge-topenhancementarerare,thebasicpatternsandprocessesappearrobusttochangesintemperature,winds,andbackgroundrainfallrates.
TheQuarterlyJournaloftheRoyalMeteorologicalSociety134(633):817-839(馆藏纸本,电子版
3.interscience.wiley./journal/119816998/abstract)
(孟遂珍选编)
12,AnOcean–AtmosphereInteractionMechanismfortheActiveBreakCycleoftheAsianSummerMonsoon
亚洲夏季季风活动一中断循环的海洋-大气交换机制
P.V.Joseph等
Atypicalactive–breakcycleoftheAsiansummermonsoonistakenasbeginningwithmaximumSST(pentad0)overthenorthBayofBengalwhentheoceanstoitswestandeastfromlongitude40°–160°E,andbetweenlatitudes10°and25°N(areaA)alsohasmaximumSST.Duringthispentadtherecentlyfound"ColdPool"oftheBayofBengal(betweenlatitudes3°Nand10°N)hasitsminimumSST.AnareaofconvectiontakesgenesisovertheBayofBengalimmediatelyafterpentad0inthezoneoflargeSSTgradientnorthoftheColdPoolanditpullsthemonsoonLowLevelJetstream(LLJ)throughpeninsularIndia.ConvectionandtheLLJwesterliesthenspreadtothewesternPacificOceanduringpentads1–4takenastheactivephaseofthemonsoonduringwhichconvectionandLLJhavegrowninapositivefeedbackprocess.ThecyclonicvorticitytothenorthoftheLLJaxisishypothesizedtoactasaflywheelmaintainingtheconvectionduringthelongactivephaseagainstthedissipatingeffectofatmosphericstabilizationbyeachshortspellofdeepconvection.Bytheendofpentad4theSSToverareaAhascooledandtheconvectionweakensthere,whentheLLJturnsclockwiseovertheArabianSeaandflowsclosetotheequatorintheIndianocean.Abandofconvectiondevelopsatpentad5betweentheequatorandlatitude10°SovertheIndianoceananditisnourishedbythecyclonicvorticityoftheLLJnowneartheequatorandthemoisturesupplythroughit.Thisistakenasthebreakmonsoonphaselastingforaboutthreetofourpentadsbeginningfrompentad5ofapositeactive–breakcycleof40dayduration.WithreducedwindandconvectionovertheareaAduringthebreakphase,solarradiationandlightwindsmaketheSSTtherewarmrapidlyandanewactive–breakcyclebegins.SST,convection,LLJandtheheatfluxattheoceansurfacehaveimportantrolesinthisnewwayoflookingattheactive–breakcycleasacoupledocean–atmospherephenomenon.
(ClimateDynamics30(6)馆藏纸本,电子版地址china.springerlink./content/21m0627n0mt25402/p等于70375660c22245328672e18ed79a07dd&,pi等于0)SimulationoftheEvolutionaryResponseofGlobalSummerMonsoonstoOrbitalForcingOverthePast280,000Years
模拟过去28万年全球夏季季风对轨道强迫的演变响应
J.E.Kutzbach等
Wedescribetheevolutionaryresponseofnorthernandsouthernhemispheresummermonsoonstoorbitalforcingoverthepast280,000yearsusingafullycoupledgeneralcirculationocean-atmospheremodelinwhichtheorbitalforcingisacceleratedbyafactorof100.Wefindastrongandpositiveresponseofnorthern(southern)summermonsoonprecipitationtonorthern(southern)summerinsolationforcing.Onaverage,July(January)precipitationmaximaandJJA(DJF)precipitationmaximahavehighcoherenceandareapproximatelyinphasewithJune(December)insolationmaxima,implyinganaveragelagbetweenforcingandresponseofabout30°ofphaseattheprecessionperiod.Theaveragelagincreasestoover40°for4-monthprecipitationaverages,JJAS(DJFM).Thephasevariesfromregiontoregion.TheaverageJJA(DJF)landtemperaturemaximaalsolagtheJuneorbitalforcingmaximabyabout30°ofphase,whereasoceantemperaturemaximaexhibitalagofabout60°ofphaseattheprecessionperiod.Usinggeneralizedmeasuresofthethermalandhydrologicprocessesthatproducemonsoons,wefindthatthesummermonsoonprecipitationindicesforthesixregionsallfallwithinthephaselimitsoftheprocessindicesfortherespectivehemispheres.Selectedobservationalstudiesfromfourofthesixmonsoonregionsreportapproximatein-phaserelationsofsummermonsoonproxiestosummerinsolation.Howeverotherobservationalstudiesreportsubstantialphaselagsofmonsoonproxiesandastrongponentofforcingassociatedwithglacial-ageboundaryconditionsoro
环境科学有关论文范例,与学周刊发表文2016年,学周刊发表文资料相关论文摘要怎么写参考文献资料: