简介:Inthevisiblespectrum,theatmosphericattenuationstosunlightmainlyincludeaerosolscattering,atmosphericmoleculeRayleighscatteringandozoneabsorption,whileinthenear-infraredspectrum(from650nmto1000nm),wemusttakewater-vaporabsorptionintoaccount.Basedontheatmosphericcorrectiontheory,usingspectrumirradiancedatameasuredbyInstantaneousGroundspectrometer,ozonecontentmeasuredbyMicrotopsⅡozonemonitor,water-vaporcontentandaerosolopticalthicknessmeasuredbysunphotometer,wegiveanewwaytostudywater-vaporabsorptiontosunlight,andtheresultshowsthatthemainpeakvaluesofwater-vaporabsorptioncoefficientsare0.025cm-1,0.073cm-1,0.124cm-1,0.090cm-1,0.141cm-1and0.417cm-1,whichrespectivelylieat692nm,725nm,761nm,818nm,912nmand937nm.
简介:AfterreviewingtheanalyticaltheoriesofT-Scurve,somemethodsofT-Srelationship,andfuzzysetsforstudyingwatermasses,newmethodsoffittingthemembershipfunctionofoceanicwatermassesarepresentedbasedonthecharacteristicsofT-Scurvefamilyofoceanicwatermasses.ThemembershipfunctionsofoceanicSubsurfaceWaterMasswithhighsalinityandIntermediateWaterMasswithlowsalinityarefittedanddiscussedusingthenewmethods.Theproposedmethodsareusefulinanalyzingthemixingandmodifyingprocessesofthesewatermasses,especiallyintracingtheirsources.Theprinciplesandformulaeofthenewmethodsandexamplesaregiven.
简介:Theprofilingmethodisthefirstmethodtoselectinmeasuringtheremotesensingreflectance.InthelightofthecharacteristicsofChina'scoastalwaters,wedevelopanewmethodtocompensatetheenvironment'seffectswiththedownwellingirradiance'sprofileandtoestimatetheunderwaterremote-sensingreflectancerrs(λ).Theresultindicatesthattherelativedeviationofrepetitiousrrs(λ)inonestationisaround10%.
简介:免费生活的海洋的线虫的五种是redescribed并且在中国的黄海说明同样新的记录。这些种类包括一monhysterid,在家庭Diplopeltidae的Campylaimusgerlachi和四enoplids在家庭Oxystominidae的种类,Oxystominaelongata,Oxystominaelegans,Halalaimuslutarus和Halalaimuswodjanizkii。生态、分类的讲话与原来的描述比较被提供并且讨论。类Campylaimus的所有已知的种的关键被给。我们的调查结果离开犯错到benthic生态学和生物多样性的线虫的分类信息黄海学习。
简介:Basedonthemaximumentropyprincipleanewprobabilitydensityfunction(PDF)f(x)forthesurfaceelevationofnonlinearseawaves,X,isderivedthroughperformingacoordinatetransformofXandsolvingavariationproblemsubjecttothreeconstraintconditionsoff(x).ComparedwiththemaximumentropyPDFspresentedpreviously,thenewPDFhasthefollowingmerits:(1)ithasfourparameterstobedeterminedandhencecangivemorerefinedfittoobserveddataandhaswidersuitabilityfornonlinearwavesindifferentconditions;(2)theseparametersareexpressedintermsofdistributionmomentsofXinarelativelysimpleformandhenceareeasytobedeterminedfromobserveddata;(3)thePDFisfreeoftherestrictionofweaknonlinearityandpossibletobeusedforseawavesincomplicatedconditions,suchasthoseinshallowwaterswithcomplicatedtopography;and(4)thePDFissimpleinformandhenceconvenientfortheoreticalandpracticaluses.Laboratorywind-waveexperimentshavebeenconductedtotestthecompetenceofthenewPDFforthesurfaceelevationofnonlinearwaves.TheexperimentalresultsmanifestthatthenewPDFgivessomewhatbetterfittothelaboratorywind-wavedatathanthewell-knownGram-CharlierPDFandbetaPDF.
简介:Appropriatepathogenicbacteriawereisolatedfromdiseased(ordead)flounder(ParalichthysolivaceusL)occurringinamariculturefarmsofQinhuangdao,whichalldiseasedfishesexpressedbacterialseptieaemia.Thephenotypicinformationofthe12purecultureswasstudiedextensively,includingmorphologicalcharacteristics,colonycharacteristicsindifferentmedia,physiologicalandbiochemicalcharacteristics,andthemolefractionG+CratiooftheDNAforrepresentativestrain.TheresultsshowthattheisolatesbelongtoanewspeciesofVibrio,andaredesignatedasVibrioqinhuangdaorasp.nov.bytheareafromwhichthediseasedfloundersarecollected(Qinhuangdao)basedonitsbiologicalpropertiesfollowingRulesofInternationalCodeofNomenclatureofBacteria.Atthesametime,studiesontheserumhomologyofisolates,andpathogenicityofisolateswereconductedbyexperimentalinfection.Theresultsshowthatalltheisolatesareofserologicsimilarity,andtheisolateshavestrongpathogenicitytoflounder.ThestudiescanextensivelyreflectthemainbiologicalpropertiesofthisnewspeciesofVibrio.
简介:InastudyofmeiofaunapolychaetefromtheHuanghaiSea,apreviouslyundescribedspeciesbelongingtoHesionurahasbeenfoundanddescribed.ThenewspeciesdiffersfromtheotherspeciesofthegenusHesinuramainlybythechaetation.