Yintoni thermohaline Ukubolekisa kwezilwandle?

Le ndawo iyonke iilwandle - iqokobhe amanzi Umhlaba - 361 100 000 km². Le yindlela enye, nto leyo eye yezinto eziphilayo, iikhemikhali kunye neempawu zomzimba, ngokutshintsha nguwuphi okanye kwelinye icala "live" kolwandle, lenziwa izilungiso yaye ujikeleziswe.

Oceans - amanzi, ngoko zonke iimpawu zayo zomzimba nemichiza zixhomekeke utshintsho bume.

Oonobangela ejikeleza kwamanzi olwandle

Water - fluid ngokwendalo kusoloko sihamba rhoqo. Ukubolekisa kwamanzi olwandle kwenzeka ngenxa yezizathu ezininzi:

1. Ukubolekisa emoyeni - umoya.
2. umhlaba axis awo.
3. Ifuthe amandla umtsalane inyanga nelanga.

Oyena nobangela intshukumo yamanzi kamnandi. Ichaphazela kwabo amanzi ezilwandle ebangela imisinga kwamanzi, yaye, bona, ukutshintshela ubunzima iindawo ezahlukeneyo yolwandle. Ngenxa amandla zochuku lwangaphakathi isindululo translational ikhutshelwa kweemaleko wengxaki, yaye, kakhulu, uqale ukususa.

Olubangwa ngumoya luchaphazele kuphela umaleko phezu kwamanzi - ukuya kutsho kwiimitha 300 ukusuka kumphezulu. Ke ukuba nomphezulu ukuhamba akakhawulezi ngokwaneleyo, ngoko ukuhamba esezantsi ngokucothayo kwaye ixhomekeke mphandle ezantsi.

Xa siqwalasela iilwandlekazi lwehlabathi liphela, nemisinga scheme ungabona ukuba akho ezimbini ezinkulu, ezo ezahlulwe-ikhweyitha. E Northern saseNtla singena amanzi ngokujikela kwi-Southern - nxamnye. Xa kudini ngoku kumazwekazi ungahluka intshukumo yabo. Kwakhona, izinga lokuhamba ngeenxa kunxweme esentshona mkhulu kunaye malunga Oriental.

Imisinga musa ukuhamba ngendlela kumgca othe tye, yaye baphambukile kwicala elithile: kumntla ikhweyitha - ilungelo, kwaye i-South - kwelinye icala. Oku kungenxa amandla iseti yolungiselelo, nto leyo kuvela ngenxa ukujikeleza komhlaba ngeenxa axis yayo.

Amanzi olwandle ukuba iphakanyiswe kwaye kwehlisa. Oku kungenxa nokutsala inyanga, ilanga, ngenxa apho kukho ebbs kunye nokuphuma kwemali. namandla kuyahluka kwisithuba sexesha elithile.

ejikeleza Thermohaline ezilwandle

"Halina" liguqulelwe ngokuthi "etyuwa". Ndawonye, iqondo lobushushu amanzi kunye etyuwa babone mninzi yayo. ujikeleza Water elwandle, ukuhamba idluliselwa emanzini ashushu kwi ezinezinga ethandwa polar - amanzi ashushu kakhulu entle ingxengelelwe ngamanzi abandayo. Ngenxa yoko, ukuhamba kwamanzi abandayo ikhutshelwa ukusuka polar ukuya ezinezinga zemvula. Le nkqubo lwenzeka ngokuqhubekekayo.

Thermohaline ejikelezayo kuthatha indawo kubunzulu kwi lokusetyenziswa umaleko asezantsi. Ngenxa yale nkqubo lwenzeka isindululo convective yamanzi - abandayo, kukho amanzi enzima somthi esibuyiselweyo uhamba kwicala le ndawo. Ngoko ke, lo imisinga kumphezulu zihamba kwicala elinye, nobunzulu - kwenye. Kwaye kukho Kusasazwa jikelele kolwandle.

kwemisinga thermohaline

Umphezulu imisinga ulwandle ukufumba ubushushu kwi-ikhweyitha, yaye xa uhambisa kwisibanzi phezulu ngcembe lupholile. Maxa ezinezinga ephantsi, ngenxa yokuba lo komphunga amanzi kwandisa womxhuzulane zayo ezithile, ukunyuka yayo etyuwa. Ukufika ezinezinga polar, phantsi amathontsi amanzi akhiwa kwemisinga nzulu.

Kukho ezininzi kwemisinga ezinkulu ezifana Gulf Stream (ibishushu), eBrazil (efudumeleyo), elikwiiCanary (ingqele), Labrador (ingqele), kunye nabanye. Le Ukubolekisa thermohaline yi indlela efanayo kuzo zonke iintsingiselo: bobabini ubushushu nengqele.

theku stream

Omnye nemisinga ezinkulu efudumeleyo iplanethi - i-Gulf Stream. Kuye nefuthe elikhulu imozulu esemantla nasentshona Yurophu. Gulf Stream ethwala amanzi ashushu ukuze Ugu belizwekazi, ngaloo ndlela limisela sezulu onomoya e-Europe. Amanzi ke ngoko lupholile kwaye yehla, umlambo enzulu uthwala kwi-ikhweyitha.

I-ice-free izibuko adumileyo Murmansk olunjalo ngenxa Gulf Stream. Ukuba sicinga ngamahlanu ezinezinga yoMntla saseNtla, ungabona ukuba kwintshona (in Canada) kwindawo inkululeko elinikiweyo imozulu ngokwanelisayo ngqwabalala, ucanda ummandla kumathafa eMpuma saseNtla kwi inkululeko efanayo ukukhula amahlathi avuthulukayo. Sondela imfudumalo kakhulu phezu kwemithi mhlawumbi ngalima, ngoko ke imozulu efudumeleyo apha.

Le Dynamics ukuhamba kwegazi yahluka kulo nyaka, kodwa impembelelo ye-Gulf Stream usoloko enkulu.

Ifuthe kwimozulu boMhlaba

Kwiindawo kuLwandle Weddell kunye Norwegian uvela sentshinyela ezinezinga amanzi lumtyuba eliphezulu. Maxa ezinezinga eliphezulu oko lupholisiwe ukuya qhwa. Xa iifom ice, ityuwa ayifakwanga kuyo, ukuze umphantsi naphantsi ezinetyuwa ngakumbi kwaye ashinyeneyo. amanzi enjalo ibizwa ngokuba North Atlantic okanye enzulu Antarctic benthic.

Thermohaline Ukubolekisa iilwandle kuthatha indawo sisixokelelwano esivalekileyo.

Ngenxa yoko, siye sagqiba ukuba mkhulu ubunzulu, kokukhona lexinene amanzi. Xa olwandle lwelayini konga rhoqo phantse tye. Water kunye iipropati ezahlukeneyo emzimbeni imichiza kulula kakhulu ukuba usikhwezele kwilayini loxinano rhoqo ngokuchasene nayo.

Le Ukubolekisa thermohaline olufundwa ayilunganga ngokwaneleyo. Yinto eyaziwayo ukuba le nkqubo kuchaphazela kuphela amanzi imo elwandle, kodwa kwakhona ngqo echaphazela imozulu Yomhlaba. Zonke iinkqubo kwi planethi luvaliwe, ngoko ukutshintsha enganeno enye iguqula enye.