地球的不同圈层英文

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1、SpheresoftheEarthAtmosphereHydrosphereLithosphereWeatherDynamicsUnitScience10HydrosphereAllofthewateronplanetEarth“71%oftheearthiscoveredbywaterandonly29%isterrafirma”(UniversityofFlorida).“BluePlanet”–waterisnotfoundonanyotherplanetsinoursolarsystem.“ItisbecausetheEarthhasjusttherightmass,theright

2、chemicalcomposition,therightatmosphere,andistherightdistancefromtheSun(the"Goldilocks"principle)thatpermitswatertoexistmainlyasaliquid”(UofF).http://ess.geology.ufl.edu/ess/Introduction/Hydrosphere.htmlVideoofAtlanticOceanhttp://www.youtube.com/watch?v=vwf2a4wpS-8Thegreatvarietyofsurfacetemperature

3、sandpressuresallowswatertoexistinallthreestates.Solid=IceLiquid=WaterGas=WaterVapourTheoceanscontainmostofthewater(approx.1.35millioncubickilometres)EnvironmentCanada:SatelliteImagesofNorthAmericaandthePacifichttp://weatheroffice.ec.gc.ca/data/satellite/goes_gwdisk11_visible_100.jpgWaterVapourIceRe

4、fertowebsite:http://www.accd.edu/sac/astronom/astr1370/glacial.htmWeatherCentral:http://www.weathercentral.com/weather/satellite/alaska_wv.htmlColumbiaIcefields:http://www.accd.edu/sac/astronom/astr1370/glacial.htmhttp://my.opera.com/Mathilda/albums/showpic.dml?album=42812&picture=516117Thehighheat

5、capacityofwaterandthelargevolumesofwater“bufferstheEarthsurfacefromlargetemperaturechangessuchasthoseobservedonthemoon”(UofFHydrosphere).“WateristheuniversalsolventandthebasisofalllifeonourPlanet”(UofFHydrosphere).“BenjaminFranklintocomment[ed]"Whenthewell'sdry,weknowtheworthofwater.“”(UofFHydrosph

6、ere).Source:UniversityofFloridaHydrosphereHydrosphereCont’dWaterintheocean:Equator=warmwater(likeawarmbath)NearPoles=cold(canfreezeintoicebergs)ETE–Hydrospherehttp://www.bigelow.org/shipmates/temperature.htmlOceanTemperaturesUpdatedDaily:http://www.wunderground.com/MAR/AntarcticWaterTemperatures:ht

7、tp://www.wunderground.com/MAR/HurricanesfromSpacehttp://www.youtube.com/watch?v=PDGnoEnKxkQHurricaneLuis:http://www.youtube.com/watch?v=S5725Etc4bI&feature=relatedErnestShackleton’sVoyage“Alreadyacelebrated