OCEANELE ...Ittcs19 tadditive tultcf2 tsbasedon10 HyperlinkSSIttrsidtbl trsid5862405SIttgenerator Microsoft ord 10.0.2627SItinfoIttitle OceaneleSItauthor MicaSItoperator danielSItcreatimtyr2002tmo2tdy9thr14tmin5SItrevtim tyr2002tmo2tdy9thr14tmin5SItversion2SItedmins1SItno fpages2SItnofords1012SItnofchars5774SIttcompany MicaSItnofcharss6773SItvern16437SStpaper11906tpape rh16838tmargl1418tmargr1418tmargt1418tmargb1418 tdeftab708tidoctrltftnbjtaenddoctnoxlattoyentexpsh rtntnoultrlspctdntblnsbdbtnospaceforultformshadetho rzdoctdgmargintdghspace180tdgvspace180tdghorigin141 8tdgvorigin1418tdghsho1tdgvsho1tjexpandtviekind1tvi escale100tpgbrdrheadtpgbrdrfoottsplytninetftnlytnin ethtmautsptnolnhtadjtbltuseltbalntalntblindtlytcalc tbldtlyttblrtgrtlnbrkruletrsidroot5862405 tfet0tsectd tlinex0theadery0tfootery0tendnheretsectlinegrid360 tsectdefaultcltsftnbj Ittpnseclvl1tpnucrmtpnstart1tpnindent720tpnhang Itpntxta .SSIttpnseclvl2tpnucltrtpnstart1tpnindent720tpnhan g Itpntxta .SSIttpnseclvl3tpndectpnstart1tpnindent720tpnhang Itpntxta .SSIttpnseclvl4tpnlcltrtpnstart1tpnindent720tpnhan g Itpntxta SSIttpnseclvl5tpndectpnstart1tpnindent720tpnhang Itpntxtb SItpntxta SSIttpnseclvl6tpnlcltrtpnstart1tpnindent720tpnhang Itpntxtb SItpntxta SSIttpnseclvl7tpnlcrmtpnstart1tpnindent720tpnhang Itpntxtb SItpntxta SSIttpnseclvl8tpnlcltrtpnstart1tpnindent720tpnhang Itpntxtb SItpntxta SSIttpnseclvl9tpnlcrmtpnstart1tpnindent720tpnhang Itpntxtb SItpntxta SStpardtplain tqc tfi720tli0tri0tidctlpartfaautotrin0tlin0titap0tpar arsid5862405 tcbpat8 tfs24tlang1049tlangfe1049tcgridtlangnp1049tlangfen p1049 Itcf1tlang1048tlangfe1049tlangnp1048tinsrsid586240 5 OceaneleSItcf1tlang1048tlangfe1049tlangnp1048tinsr sid5862405tcharrsid5862405 tpar Stpard tqj tfi720tli0tri0tidctlpartfaautotrin0tlin0titap0 tcbpat8 Itcf1tlang1048tlangfe1049tlangnp1048tinsrsid586240 5tcharrsid5862405 tpar SItf66tcf1tlang1048tlangfe1049tlangnp1048tinsrsid5 862405tcharrsid5862405 Oceanul este o teentindere de apte3 mai mare decte2t un continent, care comunicte3 cu oceanele vecine tbai care influentfeeazte3 climatul uscatului.tpar Pte3mte2ntul este teenvte3luit de o maste3 de apte3, hidrosfera, care se prezintte3 teen trei stte3ri solidte3 teen ghetfeari, gazoaste3 vapori de apte3 teen atmosferte3, lichidte3 teen rte2uri, lacuri tbai mte3ri. Oceanele teenmagazineazte3 ele singure 95 din teentreaga hidrosfera.SItcf1tlang1033tlangfe1049tlangnp1033ti nsrsid5862405tcharrsid5862405 tpar SItf66tcf1tlang1048tlangfe1049tlangnp1048tinsrsid5 862405tcharrsid5862405 Detbai apele oceanice nu reprezintte3 decte2t o miime din volumul total al planetei tbai cinci miimi din masa ei, ele acoperte3 o suprafatfete3 de 3SItcf1tlang1048tlangfe1049tlangnp1048tinsrsid5862 405tcharrsid5862405 61 milioane de kmSItcf1tlang1048tlangfe1049tsupertlangnp1048tinsr sid5862405tcharrsid5862405 2SItf66tcf1tlang1048tlangfe1049tlangnp1048tinsrsid 5862405tcharrsid5862405 , adicte3 aproape de doute3 ori tbai jumte3tate suprafatfea continent-telor. Terra este deci pe drept numitte3 t84planeta albastrte3, iar oceanele joacte3 teen viatfea ei un rol capital.tpar Oceanul Planetar contfeine cea mai mare parte a hidrosferei, care echivaleazte3 cu 1340 mln kmSItcf1tlang1048tlangfe1049tsupertlangnp1048tinsr sid5862405tcharrsid5862405 3SItf66tcf1tlang1048tlangfe1049tlangnp1048tinsrsid 5862405tcharrsid5862405 de apte3 97,1 din volumul hidrosferei, urmeazte3 apoi ghetfearii tbai yte3pezile permanente 1,7, cea subterante3 1,2.tpar Dacte3 continentele s-ar scufunda teen oceane, apa acestora ar acoperi tot globul cu o manta de 2400 m.tpar SItcf1tlang1048tlangfe1049tlangnp1048tinsrsid58624 05tcharrsid5862405 Pe fundul oceanului, SItf66tcf1tlang1048tlangfe1049tlangnp1048tinsrsid5 862405tcharrsid5862405 teen axele dorsalelor, bazaltul urcte3 tbai se solidificte3, provocte2nd alunet-carea plte3cilor, de unde deriva si deformarea continentelor. Pentru cte3 toate oceanele comut-nicte3 teentre ele, nivelul suprafetfeei lor este acelatbai peste tot. Este nivelul zero, cel teen care valurile tbai mareele scaldte3 tfete3rmurile. Altitudinea medie SItcf1tlang1048tlangfe1049tlangnp1048tinsrsid58624 05tcharrsid5862405 a SItf66tcf1tlang1048tlangfe1049tlangnp1048tinsrsid5 862405tcharrsid5862405 acestui nivel este instabilte3, variind pe lungi durate. De exemplu, acum 30000 de ani, era cu teen jur de 90 m mai joaste3 ca astte3zi. Atbaadar, continentele erau mai teente3ltfeate din mare, erau deci mai vaste, tbai malurile se situau teen fatfea celor pe care le cunotbateam azi. De unde aceste tpar fluctuatfeii ale nivelut-lui zero Trebuie ste3 cte3utte3m explicatfeia teen schimbte3rile de climte3. tpar Cte2nd este multte3 vreme rece, ghetfearii se teentind, retfein multte3 apte3, iar nivelul apei lichide scade. Astte3zi, el pare ste3 urce, ste3 cte2tbatige pte3rtfei din maluri, cte3ci iernile se teendulcesc, dureazte3 mai putfein timp, ghetfearii pierd mai multte3 apte3, topind vara mai mult decte2t au cte2tbatigat din zte3pezile iernii. Pe uscat, eroziunea pare ste3 se teencetit-neascte3 utbaor teente3ltfearea nivelului zero corespunde, teentr-adevte3r, unei diminute3ri a altitudinii pte3mte2nturilor, tbai deci a puterii de ste3pare a apelor curgte3toare.tpar Sttrod tts11ttrgaph108ttrrh499ttrleft-108ttrkeepttrbrdrtt brdrstbrdr10 ttrbrdrltbrdrstbrdr10 ttrbrdrbtbrdrstbrdr10 ttrbrdrrtbrdrstbrdr10 ttrbrdrhtbrdrstbrdr10 ttrbrdrvtbrdrstbrdr10 ttrftsidth1ttrautofit1ttrpaddl108ttrpaddr108ttrpad dfl3ttrpaddfr3 tclvmgftclvertalctclbrdrttbrdrstbrdr10 tclbrdrltbrdrstbrdr10 tclbrdrbtbrdrstbrdr10 tclbrdrrtbrdrstbrdr10 tclcbpat16tcltxlrtbtclftsidth3tclidth2628tclcbpatr a16 tcellx2441tclvertalctclbrdrttbrdrstbrdr10 tclbrdrltbrdrstbrdr10 tclbrdrbtbrdrstbrdr10 tclbrdrrtbrdrstbrdr10 tclcbpat16tcltxlrtbtclftsidth3tclidth3471tclcbpatr a16 tcellx5813tclvertalctclbrdrttbrdrstbrdr10 tclbrdrltbrdrstbrdr10 tclbrdrbtbrdrstbrdr10 tclbrdrrtbrdrstbrdr10 tclcbpat16tcltxlrtbtclftsidth3tclidth3472tclcbpatr a16 tcellx9178tpard tqc tli0tri0tidctlpartintbltaspalphataspnumtfaautotadj ustrighttrin0tlin0 Itcf1tlang1048tlangfe1049tlangnp1048tinsrsid586240 5tcharrsid5862405 Resurse maritcell Apele hidrosferei teen ansamblutcell Apele dulcitcell Stpard tql tli0tri0tidctlpartintbltaspalphataspnumtfaautotadj ustrighttrin0tlin0 Itcf1tlang1048tlangfe1049tlangnp1048tinsrsid586240 5tcharrsid5862405 ttrod tts11ttrgaph108ttrrh499ttrleft-108ttrkeepttrbrdrtt brdrstbrdr10 ttrbrdrltbrdrstbrdr10 ttrbrdrbtbrdrstbrdr10 ttrbrdrrtbrdrstbrdr10 ttrbrdrhtbrdrstbrdr10 ttrbrdrvtbrdrstbrdr10 ttrftsidth1ttrautofit1ttrpaddl108ttrpaddr108ttrpad dfl3ttrpaddfr3 tclvmgftclvertalctclbrdrttbrdrstbrdr10 tclbrdrltbrdrstbrdr10 tclbrdrbtbrdrstbrdr10 tclbrdrrtbrdrstbrdr10 tclcbpat16tcltxlrtbtclftsidth3tclidth2628tclcbpatr a16 tcellx2441tclvertalctclbrdrttbrdrstbrdr10 tclbrdrltbrdrstbrdr10 tclbrdrbtbrdrstbrdr10 tclbrdrrtbrdrstbrdr10 tclcbpat16tcltxlrtbtclftsidth3tclidth3471tclcbpatr a16 tcellx5813tclvertalctclbrdrttbrdrstbrdr10 tclbrdrltbrdrstbrdr10 tclbrdrbtbrdrstbrdr10 tclbrdrrtbrdrstbrdr10 tclcbpat16tcltxlrtbtclftsidth3tclidth3472tclcbp... 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