AnenhancededitionofDK’sexhaustiveguidetotheunderwaterworld.Thisauthoritative,sumptuouslyillustratedencyclopediaisnowinitsthirdedition.Illustratedwithablendofbeautifulandinformativeillustrations,maps,andphotography,itisabroad-ranging,in-depthguidetobothphysicaloceanographyandmarinelife.Acomprehensiveintroductionexplainsimportantprinciplesandprocesses,fromthegeologyoftheseafloortothechemistryofseawater.Thenexttwochapterslookatkeyenvironments-fromtheseashoreouttotheopenocean-andthemaingroupsofoceanlife.Bothofthesechaptersincludesystematicdirectorysectionsthatcontainin-depthvisualprofilesofkeylocationsandspecies.Thefinalchapterisadetailed,60-pageatlasoftheworld’soceansandseas,illustratedwithmapscompiledfromsatellitemeasurementsoftheoceanfloor.Distributedthroughoutthebookarefeaturespreadsontheimpactthathumansarehavingonthemarineenvironment,coveringtopicsrangingfromplasticpollutiontooceanacidification.Thoroughlyupdatedtoincludethelatestresearchonoceanscienceandprofilesofnewlydiscoveredspecies,Oceanremainsanindispensable,all-encompassingvisualguidetothemarineworld.