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1.
A COUPLED INTERANNUAL OSCILLATION SYSTEM 总被引:4,自引:0,他引:4
INTRODUCTIONElNi no SouthernOscillation (ENSO)istheinterannualinteractionofocean atmosphereinthetropical(especiallyequatorial)Pacific .Itisalsorecognizedasbeingthedominantmechanismoftheearth’sinterannualclimatechange.Severalconceptual (simple)modelswereprop… 相似文献
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INTRODUCTIONTheSouthChinaSea (SCS)isauniquesemi encloseddeepoceanbasinlocatednearthewest ernperipheryofthePacificOcean .Spreadingfromtheequatorto 2 0°Nandspanningzonallyabout1 5°N ,theSCSliesbetweentheSouthChinacoastandthemaritimecontinent.TheSCSbottomtopogr… 相似文献
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INTRODUCTIONJiaozhouBayisashallowsemi closedbaywithtotalareaofabout 40 0km2 andaveragewaterdepthof7m .Themaximumwaterdepthisover 5 0matthecenterofthestraitconnectingtotheYellowSea.Thisstraitcenterwateriscalledbaymouthwater,thewaterinthenorthernpartofthestrai… 相似文献
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1 Introduction18Oinmarineenvironmentplaysanimportantroleinoceanographicalstudy .Asastableisotopeofoxygen ,18OtogetherwithhydrogenatomsconstituteswatermoleculeH218OandmoveswithalargeamountofH2 Omoleculesinseawater.Sothatδ18Obecomesanidealtracerforthemovemento… 相似文献
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INTRODUCTIONInrecentyears,co culture (integratedculture )ofmarinespecies (algaeandanimals)hasreceivedgreatattention .Inco culturesystemthealgaeactivelyuptakeCO2 andthemetabolicwastes(suchasNH4 +,NO2 - ,NO3- etc)asnutrientsources,andreleaseO2 tothesurroundingenviron … 相似文献
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1 ADVANCINGOFTHEQUESTIONANDCONSTRUCTIONBACKGROUNDOFSUZHOUINDUSTRYGARDENPerroxgavespecialattentiontotheeffectofimportantitemsandconstructionofinfrastructurewhenhediscussedtheproductionofgrowthpole(Li,1988).Lotsofdomesticscholarshavealsoprobedintothi… 相似文献
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INTRODUCTIONTheBohaiSeawaschosenasthesiteofthefirstphaseoftheChina GLOBEC (GlobalOceanEcosystemDynamics)programfrom 1 997to2 0 0 0 ,inwhichthedynamicsofzooplanktonpopulationswasoneofthefourprincipalfoci.Smallcopepodscompriseanimportantcomponentofzooplanktonesp… 相似文献
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1INTRODUCTIONWiththeaccelerationoftheeconomicglobaliza-tionthegradualshapingofthenewinternationaldivi-sionoflaborandthedevelopmentofthetransnationalcorporationstheworldurbansystemshavebegunanewroundofintegration.Ononehandthecitiesallovertheglobeare… 相似文献
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1 INTRODUCTIONItisveryimportanttorealizethedistributionsofpollutantsbeforethepollutioncanbecontrolledsuc cessfully .Owingtothelackofsystematicalobserva tionsinabroadarea ,numericalsimulationhasbe comeapowerfultooltounderstandthedistributionsofpollutantsa… 相似文献
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APPLICATION OF NONLINEAR MULTI-CHANNEL ALGORITHMS FOR ESTIMATING SEA SURFACE TEMPERATURE WITH NOAA 14 AVHRR DATA 总被引:1,自引:0,他引:1
李晓峰 《中国海洋湖沼学报》2000,18(3):199-207
INTRODUCTIONSincetheearly 1 970s,theAdvancedVeryHighResolutionRadiometer(AVHRR)onboardtheNationalOceanicandAtmosphericAdministration (NOAA)seriesofPolar orbitingOperationalEn vironmentalSatellites (POES)hasbeenusedforseasurfacetemperature (SST)retrievalandclou… 相似文献
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INTRODUCTIONOceantidesplayaveryimportantroleinthedynamicsoftheEarthandhaveattractedmanypeople’sattentionsinceancienttimes.Beforethelate 1 970s,tidesweremeasuredmainlybycoastalgauges .Directmeasurementsaswellasnumericalsimulations,canprovidefairlyaccurateu… 相似文献
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INTRODUCTIONPollutionofmarineecosystemposesaseriousthreattomarineorganismsandultimatelytheentireecosystem.Inrecentyears,organophosphorous(OP)pesticideshavelargelyreplacedorganochlorinepesticidesbecauseoftheirrapidbreakdowninwaterandtheirlowenvironmenta… 相似文献
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1 IntroductionArcticclimateandenvironmentareveryimportantintheglobalchangesystems(WMO/UNEP 1 990 ;WMO 1 991 ) .Observationsandmodelingresultsindicatethattheglobalwarmingwillbeenhancedinthepolarregions ,especiallyintheNorthHemi sphere ,withapredictedwarmingofabout… 相似文献
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INTRODUCTIONOverthepastdecade ,Haematococcuspluvialishasbeenasubjectofnumerousinvestigationsbe causeitsconspicuousredcolorpointstoitspossibilityasahopefulregenerativebioresourceofastaxan thin .Extensivestudyofculturefactors (suchastemperature,illuminatio… 相似文献
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INTRODUCTIONSedimentoxygendemand(SOD)includesbiologicalandchemicaloxygendemand(GeorgeandJoseph,1980),isanimportantfactoraffectingdissolvedoxygen(DO)andhasbecomeanimportantparameterinmanywaterqualitymodelsforcultureponds(Madenjian,1990;Fang,1991).Soitisnecessaryto… 相似文献
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1INTRODUCTIONBydefinitionurbanizationistheprocessofruralareaschangingintourbanareasinnatureforasoci-etyitisanaturallyhistoricalprocessofthetransitionfromatraditionalruraloragriculturalsocietytoamodernizedurbansocietyGAO1991.Inbriefitrepresentsa… 相似文献
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1FRACTALTHEORYANDFLOODCALAMITIESThemostregulargeometricobjectswhichcouldbemeasuredbylengthsofspecificityaretheissueofclasica... 相似文献
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FACTORS AFFECTING SOIL RESPIRATION IN REFERENCE WITH TEMPERATURE'S ROLE IN THE GLOBAL SCALE 总被引:6,自引:1,他引:5
I.INTRODUCTIONSoilrespirationisCO2evolutionprocessfromsoiltoatmosphere.Itismainlyproducedbyoxidizingorganicmaterbymicroorgan... 相似文献
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TRIPLOIDY INDUCTION WITH HEAT SHOCKS TO PENAEUS CHINENSIS AND THEIR EFFECTS ON GONAD DEVELOPMENT 总被引:3,自引:0,他引:3
INTRODUCTIONInrecentyears,scientistspaidincreasingattentiontopolyploidybreedingofaquaticanimals.Studiesontriploidybreedingoffishandmolluschavemadenoticeableprogress.Therearereportsoflargescalecommercialcultureoftriploidsinducedinsomespecies.Thereported… 相似文献
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INTRODUCTIONAtpresentgiantfreshwaterprawn (Macrobrachiumrosenbergii) ,Chineseshrimp (Penaeuschinensis)andgianttigerprawn (P .monodon)arethemainshrimpsforcultureinChina.Asweknow ,feedstuffcostisamajorexpenseiteminculturepractice.Overfeedingwillnotonlywastefee… 相似文献