Umlambo iThames

Ungcoliseko lomlambo owahlula iLondon

Ngenxa yokuba iNgilani ayinaso isiqabu esivakalayo ayinayo imilambo emininzi. Ukuphela komlambo onendawo enkulu yoku Umlambo iThames. Ngenye yezona zidumileyo emhlabeni kwaye inoxanduva lokwahlula iLondon kubini. Ukongeza, ngowona mthombo uphambili wokuhambisa amanzi elizweni.

Kule nqaku siza kukuxelela zonke iimpawu, imvelaphi, i-geology kunye nokubaluleka koMlambo iThames.

Iimpawu eziphambili

Iminqamlezo ecaleni kwethamesis

Ngowona mlambo mkhulu nowona unamandla eNgilane ongena kuLwandle lwaseMantla kwaye udibanisa ikomkhulu lesiqithi, iLondon, kunye noLwandle lwaseMantla. Ukuba sisiqithi, ubude bemini abufani nobunye bemilambo yelizwekazi, kodwa buyafana nobude kweminye imilambo yaseYurophu. Umzekelo, inolwandiso olufana nolo lomlambo iSegura eSpain. Umthombo uvela kwindibano yemilambo emi-4: uMlambo iChurn, uMlambo iColn, uMlambo iIsis (okwaziwa ngokuba yiWindrush River), kunye noMlambo iLeach.

Imvelaphi yoMlambo iThames ivela kwixesha lePleistocene, yiyo loo nto ithathwa njengomlambo omncinci. Ngelo xesha yayihamba isiqala ukusuka eWales ukuya eClacton-elwandle. Ngokuhamba kwindlela yawo, wawela uLwandle oluMantla lonke ukuze ube ngumjelo woMlambo iRhine.Namhlanje lo mlambo ubaluleke kakhulu kunikezelo lwamanzi amatsha. Ngelo xesha yayiyenye yeendlela ezibaluleke kakhulu zonxibelelwano kunye uthutho phakathi kweWestminster neLondon ngekhulu le-XNUMX nele-XNUMX.

Esinye sezinto ezibangela umdla ngalo mlambo kukuba wabanda kanye ngo-1677 kwaye ukusukela ngoko awuzange uphinde wenze njalo. Isizathu soku yayikukuba yonke iBhulorho yaseLondon yahlengahlengiswa kwaye inani kunye nokuhamba kweepali kuye kwehla okuvumela ukuhamba ngokuhamba ngokulula. Ngale ndlela, ngokungakhuthazi umjelo womlambo ukuba uhambe ngokukhawuleza okukhulu, amanzi ekugqibeleni abanda.

Umthombo womlambo iThames

Umlambo iThames

Masibone ukuba yeyiphi imithombo, imisinga kunye nobunzulu boMlambo iThames. Yonke indlela yomlambo ishiya uluvo lomthombo. Zininzi iidolophu ezibanga ukuba yindawo apho umlambo uvela khona. Umlambo iThames uvela kwintloko yeThames kunye nemithombo esixhenxe. Kumaxesha abanda enyakeni nakwezona zimanzi, lixesha elifanelekileyo lokundwendwela le ndawo. Yenye yezona ndawo zintle ukubona umlambo uhamba ecaleni kwesikhumbuzo.

Izilwanyana zaselwandle iThames

Lo mlambo awaziwa nje ngokwahlula iNgilani ube ziinxalenye ezimbini kuphela kodwa ukwaziwa nangezilwanyana. Kule minyaka ilishumi idlulileyo inani lezilwanyana ezanyisayo ezaphula irekhodi larekhodwa. Uluntu olunikezelwe kukhathalelo kunye nolondolozo lwezilwanyana lubhalise inani ngaphezulu kwama-2000 XNUMX ukubonwa kwezilwanyana kule minyaka ilishumi idlulileyo. Uninzi lwezilwanyana ezifunyanisiweyo zeqela lezilwanyana ezanyisayo zoMlambo iThames zazilutywina. Kukwathiwa kwafunyanwa amahlengesi kunye neminenga engama-50.

Onke la manani athelekiswa nalawo anga-50 eminyaka eyadlulayo xa ipaki yabhengezwa ikwimeko yokufa kwe-biological. Ngaphandle kwento abantu abacinga ngayo xa besiya eLondon kwaye bebona uMlambo iThames, bagcina inani lezilwanyana zasendle. Umzekelo, kukho umsitho wokubala ii-swans minyaka le apho zonke ezi ntaka zintle zibalwa kunye namantshontsho azo kwaye zivavanywa kakuhle ngamaqela ezonyango oogqirha bezilwanyana kunye nososayensi ngezifo.

Ukuzingela kunye nokuqokelela amaqanda e-swans akuvumelekanga ngokupheleleyo kuba ukubonelelwa kwezi ntaka bekuyimfuneko kuyo yonke imisebenzi eyenziwa sisithsaba ngekhulu le-XNUMX. Ukubalwa kwezi ntaka kugcinwe kuyo yonke iminyaka elandelayo njengesiko kunye nendlela yokuqinisekisa ukugcinwa koluhlobo. Ukongeza, banika ubuhle obungenakubalwa kulo mhlaba owenza ukuba ube yinto yendalo ngakumbi. Ukuncitshiswa kweentlobo kuyinyani ukusukela kwiminyaka engama-200 eyadlulayo unokulibona kabini inani lee-swans ezikhoyo namhlanje. Abazingeli ngokungekho mthethweni, izinja kwanongcoliseko lomlambo ngokwawo zilinciphisile inani lezihlalo.

Ungcoliseko neempembelelo

tamesis yomlambo kunye nemvelaphi

Kufuneka kukhunjulwe ukuba ngumlambo odlula embindini wezixeko ezikhulu kwaye uchaphazeleka lungcoliseko. Kwakwimeko ehambele phambili kakhulu yokungcola kwindawo yayo yeekhilomitha ezingama-70 ukusuka kwingingqi yeGravesend ukuya eTeddington lock ukusukela isampulu eyenziwe ngo-1957 yafumanisa ukuba akukho ntlanzi inakho ukuhlala kula manzi.

Xa kwakungekho nqanaba lokungcola, Umlambo iThames yayiyindawo efanelekileyo yokuba i-salmon izale kunye nezinye iintlanzi, kwaye ukuloba kwakusenziwa njengesiko. Njengokuba isixeko sikhula kwaye nabantu bekhula, isixa senkunkuma ekwakusithiwa kulo mlambo sanda. Yayilahlwa kangangeminyaka emininzi, kodwa emva kwe-1800 yayiyeyona nto xa ungcoliseko lwaba yingxaki enkulu.

Onke amanzi aqala ukungcoliswa kwaye awaphathwa. Konke oku kuvelise ukwanda kweebhaktiriya ezazichitha ioksijini ekhoyo emanzini Yinto ebalulekileyo yosuku lweentlanzi kunye nokukhula kwezityalo zasemanzini. Ukunciphisa ezi ngxaki, imisebenzi yayicwangcisiwe ukubuyisa umlambo, ngokubona ukukhula kweshishini leekhemikhali, nto leyo eyenze ungcoliseko lubi. Umzi mveliso weekhemikhali kunye Inkampani yegesi yalahla yonke inkunkuma emlanjeni okanye yenza mandundu ungcoliseko.

Namhlanje isangcolisiwe kodwa ngoku ingomnye wemilambo ecocekileyo engena esixekweni. Umsebenzi wokubuyisela usenzima kodwa iziphumo sele zifunyenwe.

Ndiyathemba ukuba olu lwazi ungafunda ngakumbi malunga noMlambo iThames kunye neempawu zawo.


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  1. Uxanduva lwedatha: UMiguel Ángel Gatón
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