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118 个结果
  • 简介:Althoughmanycountries,especiallyfromthedevelopingworld,sharethemostexcitinggeologicalfeatures,geologicalstructuresandnaturalresources,researchactivitiesatvariousinstitutionsareundertakeninisolation.TheIGCPisuniqueasaninternationalProgrammethatbringstogetherseveralthousandsofscientistsfromdifferentdisciplines,tostimulatedialogueandfacilitatecommunicationamong

  • 标签: 地质构造 天然资源 地质调查 地质勘探
  • 简介:The“9thInternationalSymposiumontheOrdovicianSystem,7thInternationalGraptoliteConference&FieldMeetingoftheInternationalSubcommissiononSilurianStratigraphy”commencedonAugust12,2003,byreceivinginSanJuanCitytoallparticipantsofthepre-symposiafieldtripthroughthePrecordilleraofMendozaandSanJuanprovinces,westernArgentina.OnAugust13,thefieldtripbeganwiththepurposetoshowsignificantLowerPaleozoicoutcropsfromdiversesettingsofthePrecordillerageologicalprovince.ThisfivedaysexcursionwasledbyDrs.S.H.Peralta.

  • 标签: 奥陶纪 动物化石 志留纪 国际会议
  • 简介:与地区性的人口生长,社会经济的开发,越来越多的注意在国际河里在水资源的发展期间在分享的水分配和transboundaryeco-securityconservation上对问题被给予了。在这篇论文,在亚洲的不同分区的transboundary水上的存在主要问题transboundary例如水缺乏,浇污染,易碎的eco环境被讨论。然后,在下一研究要担心的关键科学问题根据新研究方向的分析进行,焦点领域被提起:(1)unpredicted逻辑和水系统,和他们分享的分配上的影响由全球变化浇的水疗院变化;(2)在国际、国家的水的研究上在国际河里国际合作当模特儿法律或规定,政策,相对经验和案例研究;(3)国际水路系统的环境流动,有效水分,和全面函数和值上的quantificational评价;(4)在规则和原则下面的transboundaryaquaticbio差异维护,transboundary污染管理和处理上的研究由河边的国家接受了;(5)在“为使用的支付”的规则在transboundary上发出赔偿,“为伤害的支付”和“为利益的赔偿”;(6)使用推进了3Stechniques支持综合分水岭发展和管理;等等。

  • 标签: 亚洲 国际河流 水资源管理 生态效益
  • 简介:INHIGEOisalong-standingCommissionoftheInternationalUnionofGeologicalSciences(lUGS)andanAffiliateoftheInternationalUnionfortheHistoryandPhilosophyofScience(DivisionofHistoryofScience)(IUHPS(DHS)).Oflate,itsactivitiesarefundedbythesetwobodiesinaratioofabout4:1.

  • 标签: 地理科学史 研究宗旨 工作目标 发展思路
  • 简介:UNAVCOsupportsgeoscienceresearchat113USacademicMemberinstitutions,andanother104AssociateMemberinstitutionsincludeinternationaluniversities,laboratories,observatories,academiesofscience,andamuseum.ThisdiversemembershipsharesUNAVCO’spurposeathomeandabroad,givingUNAVCOglobalreachinadvancinggeodesy.Sincethemid-1980s,moderngeodesyhasevolvedintoacutting-edge,multi-facetedtoolboxwithremarkablydiverseresearchandreal-worldapplications,includingstudiesandobservationorforecastingofsolid-Earthhazards,thedynamicsoftheatmosphere,climate,near-Earthspaceenvironment,andofkeyenvironmentalparameterssuchaswaterstorage,soilmoisture,andseaandlake-levelchanges.UNAVCOoperatesfacilitiesonbehalfoftheU.S.NationalScienceFoundationtosupportinvestigatorswhousegeodetictoolsacrossalloftheseEarthandatmosphericdomains.UNAVCOhasbuiltanumberoflargedenseregionalnetworksofGPSstations,includingtheEarthScopePlateBoundaryObservatoryinNorthAmerica,theCOCONetCaribbeannetwork,TLALOCNetinMexico,GNETinGreenland,andANETinAntarctica.Goingforward,UNAVCOplanstofederatethePlateBoundaryObservatory(USA),TLALOCNet(Mexico),andCOCONet(Caribbean)GPSnetworksastheNetworkoftheAmericas,withupgradestostate-of-the-art,multi-sensor,multi-GNSSobservations.WhileUNAVCOcommunityscientistsactivelyengageinusingspaceandterrestrialgeodetictechniquestostudygeodynamicsatallscales,thisproliferationofcontinuousnetworksisthebasisforasuiteofrecentcontributionsthatfocusonimproveddailypositioningtosenseEarth’selasticresponseandotherperturbationstoloadingbyatmosphericandsurfacewater,oceans,andice.Day-to-dayandsub-dailyvariationsintheGPSverticalandhorizontalcorrelatetoincreasinglywell-understoodshort-termmassvariability,suchasmonsoonalfloodinginBangladesh,sub-dailychangesintidalloadingatcontinentscales,day-to-daysurfacewaterandicestorageinthewesternU.S

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