KwiGulf of alaska

I-gulf yonxweme ye-alaska

El Indawo yealaska Iyaziwa ngokuba yindawo apho kuhlangana khona iilwandle ezimbini. Ingalo egobileyo yoLwandlekazi lwePasifiki ebekwe kunxweme olusemazantsi eAlaska kwaye idityaniswe yi-Alaska Peninsula kunye nesiqithi i-Kodiak. Unxweme lomlambo luphela yindibaniselwano yamahlathi, iintaba kunye neqabana zomkhenkce ezinexabiso elikhulu ngokweentlobo zezinto eziphilayo.

Ke ngoko, siza kulinikela eli nqaku ukuba likuxelele yonke into oyifunayo malunga neGulf of Alaska, iimpawu zayo kunye nezinto eziphilayo kuphela.

Iimpawu eziphambili

Umjelo weBering

Kunokuthiwa iGulf of Alaska inendibaniselwano yamahlathi, iintaba kunye neqabana ezibenza babe nomdla wokundwendwela. Unxweme lwayo luxinene, lunendawo ezinzulu ezinje ngeCook Inlet kunye nePrince William Sound (amabini adibeneyo amanzi), kunye neYakutat Bay kunye neCross Sound. Ukuba sihlalutya iGulf of Alaska ngokwembono yemozulu, sisisiqhwithi esivelisayo. Ngenxa yendawo kunye neempawu zokusingqongileyo, yenye yeendawo apho kukho izivunguvungu ezingakumbi.

Ukongeza kwinani elikhulu lekhephu kunye nomkhenkce okhoyo ngaphezulu kweAlaska esemazantsi, kukhokelela kwelinye lamaqondo aphezulu ekhephu kwisangqa seArctic esemazantsi. Uninzi lwesaqhwithi luhamba kwicala elisemazantsi kwaye ludlula amanxweme aseBritish Columbia, eWashington naseOregon. Phantse yonke imvula yamaxesha onyaka ivela kwiGulf of Alaska ngenxa yomsinga wamaza okwenzeka kulo msantsa.

Yindalo esingqongileyo enomkhenkce ngokupheleleyo kwaye iyenza ibe yindawo enomtsalane. Ubungqalaze bayo abukho apha kuphela, kodwa yenye yezona ndawo zimangalisayo kwihlabathi. Kwaye kungenxa yokuba iimeko zabo zokusingqongileyo zibangela ukuba kubekho imibutho yabasebenzi yokuhamba kwamanzi okwahlukeneyo okuguqukayo kweli nqanaba. Kukho intsomi engeyonyani yokuba kwiGulf of Alaska iyazika kwiilwandle ezininzi. Oku akunje. Umanyano lwamanzi etyuwa kunye namanzi amatsha aphuma kwiqhwa kunye nokunyibilika komkhenkce.

Xa sibona ukuba amanzi amatsha aphuma kwimikhenkceko adibana namanzi anetyuwa oLwandle lweBaltic, awadibani. Olu ngquzulwano lwamanzi lwenza indawo entle embindini woLwandlekazi lwePasifiki. Ngaphambili bekucingelwa ukuba lumanyano lweelwandle ezininzi, kodwa namhlanje siyazi ukuba le nto ingaqhelekanga Kungenxa yomahluko phakathi kwetyuwa kunye nokuxinana kwamanzi. Njengoko sisazi, okukhona ityuwa inamanzi, kokukhona iya isiba namandla ngakumbi. Awona manzi athambileyo athanda ukwehla kubunzulu ngelixa awona matye anyukele phezulu. Ngezi mpawu, iibhendi zamanzi azinakudityaniswa ngokufanelekileyo kwaye lo mda ubonwayo unokuxatyiswa.

I-Gulf yeAlaska yemozulu

Ukusukela ekuphela kwento ekhethekileyo i-Gulf yaseAlaska enayo ayisiyiyo kuphela indibaniselwano yamanzi, siza kuhlalutya imozulu yayo. Isimo sezulu sithetha yindawo enesiphepho. Kufundwa ngemozulu ngokuqhubekayo njengoko inendlela yokuziphatha enomdla. Le nyani yongezwa kwinyani yokuba kukho inani elikhulu lekhephu kunye nomkhenkce kumazantsi eAlaska kwaye kukhokelela kolunye lwezona zindawo ziphakamileyo kumazantsi eArctic Circle.

Izifundo zibonise ukuba uninzi lwezaqhwithi ezenzeka kwiGulf of Alaska zifudukela kumanxweme aseBritish Columbia, eWashington naseOregon. Ngokunikwa kweempawu zale ndawo, imozulu yayo kunye nenyaniso yokuba yindawo enqabileyo enje ngokuhlangana kolwandle nolwandle lomkhenkce, iGulf of Alaska iye yaba yenye yezona ndawo zinomtsalane kule planethi. Ngaphandle kwamathandabuzo, itsalela ingqalelo yabo bonke abo bafuna ukubona indawo eyahlukileyo.

Inkolelo yeelwandle zeGulf of Alaska

Indawo yealaska

Ngokuqinisekileyo wakhe wawuchukumisa umfanekiso oqhelekileyo wolwandle ezimbini ezijonganayo xa ukhangela i-intanethi. Le mivalo mibini ihlala ikhankanywa njenge North Pacific kunye neBering Sea. Ezi zimbini zamanzi ezinobungakanani obukhulu zizama ukulwa ngokuchasene ngaphandle kokudibanisa. Umahluko phakathi kwala manzi ayikuko ukuba avela kulwandle olwahlukeneyo kodwa avela kwiindawo ezahlukeneyo. Iimpawu zabo azifani kwaye ke azinako ukudityaniswa.

Intsomi ithi ukuba ngamanzi amabini olwandle ahlukeneyo kubangela into engaqhelekanga ebonakalayo. Kwaye ingamanzi endalo eyahlukileyo engqubanayo ngaphandle kokuxubeka. Kula manqaku kufikwa ekubeni bajongane ngokungathi ngamanzi amabini anemibala eyahlukeneyo. Ukuthathela ingqalelo ukuba oku kunokwenzeka ngendlela yokwenyani, siza kuhlalutya imvelaphi yayo. Ii-Eddy zii-eddies eziveliswa yimisinga kunye nolwandle oludibeneyo. Kunokuthiwa ziinjini zendalo ezinoxanduva lokuhambisa amanzi kunye neentsholongwane. Ezi Eddies zivelisa indawo ezizezona zityebileyo zizityebi ngezityalo zendalo ezahlukeneyo ukusukela nzulu ziye kwiindawo ezinzulu.

Zihlala zingamakhulu eekhilomitha ububanzi kwaye zibonakala kwiisathelayithi. Kukho i-whirlpool eselunxwemeni lwe-Gulf of Alaska ephethe isixa esikhulu se-glacial sediment ekhukuliswa yimilambo efana neCopper. Lo mlambo uthwala isixa esikhulu sodongwe esiguqula umbala wamanzi siwenze anodaka. Ii-Eddy zizinto ezimisela ukuguquguquka kolwelo oluthile njengamanzi.

Isizathu sokuba amanzi angahlangani ayisiyiyo yokuba avela kwiilwandle ezahlukeneyo okanye iilwandle, kodwa kungenxa yokuba zinexinano ezahlukeneyo. Umahluko kubuninzi bawo bubangelwa bubushushu okanye ubutyuwa. Kule fomu yeoyile, amanzi amabini anokuziphatha ngokungathi zizinto ezimbini ezingamanzi. Ngokuhamba kwexesha, amanzi aphela ehambelana kwaye aphela edityaniswa ngokwendalo. Nangona kunjalo, ngelixa ezi zinto zivelisiweyo kukho umqobo wendalo phakathi kwala manzi mabini ahlukeneyo kodwa ibizwa ngokuba yi-thermocline kwimeko yamaqondo obushushu ahlukeneyo kunye ne-halocline kwimeko yetyuwa eyahlukileyo, njengoko kunjalo kwiGulf of Alaska.

Ndiyathemba ukuba ngolu lwazi unokufunda ngakumbi ngeGulf of Alaska kunye neempawu zayo.


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