Lake Athabasca: whakaahuatanga o otaota me ngaa kararehe, raruraru rauropi

Kei Lake Athabasca te i runga i te rohe o e rua kawanatanga Canadian: Apatoerau Alberta me Northwestern Saskatchewan, i runga i te mata o te Precambrian Shield. Ki te wāhi faahiahia (7935 sq. Km) me te roa o te takutai i roto i te km 2140, ko reira te nui rawa te waru i roto i Canada.

mōhiohio General e pā ana ki te moana o

no Lake ki rua kawanatanga, me te ko te nui rawa ko Saskatchewan, Alberta (Canada), e mau e pā ana ki 70% o te rohe o te mata wai. Kei i te teitei o 213 m runga ake te taumata moana, te hohonu toharite ko te 20 m, mōrahi -. totoro 124 m hāroto roa ki te 283 km, te whanui mōrahi ko 50 km. E atawhai, Lake Athabasca ko te awa te rangimarie. rere te wai i runga i te awa tavini a Mackenzie i roto i te Arctic Ocean.

tautuhia te takenga o te roto Athabasca peihana e rite te glacial-wāhanga nekeneke. whakatika te reira rite ki te hua o te tukatuka o depressions nekeneke i roto i te kōpaka kirinuku o te whenua. Me ētahi atu ngā roto nui o Canada (nui Nevolnicheskoe ko Bear), Athabasca ko te toenga o te hāroto glacial nui McConnell.

Ko te hītori o te moana

mai Lake Athabasca Ingoa i te kupu athapiscow a Cree reo (rōpū mātāwaka i roto i Amerika Te Tai Tokerau). Tenei wā kua whakaritea e ratou tuwhera wāhi wai (repo, ngā roto, me ētahi atu), i runga i nei tupu nga pareparenga wirou, tarutaru me kakaho. Fakataha ki ētahi atu rōpū iwi, pērā i Beaver ko Chipeyan, Cree ko te nohoia tuatahi tenei whenua mo runga i 2000 tau ki muri.

Tuatahi tono tenei ingoa i anake i roto i te pā ana ki te raorao awa Athabasca i te kokonga te tonga-hauauru o te roto. I roto i te 1791, kamupene cartographer "Hudson Bay" Piripi Ternor i tetahi o ona hautaka tuhituhi i huaina "Atapison". I mua ia, Pita Fiedler i 1790 whakaritea reira rite te "Arabuska nui". Na roto i te 1801, i reira i nui atu iti iho noa ranei takikupu e ko tata ki te hou - Lake Athabascan. Ko reira ka karanga anake i roto i te 1820-m Dzhordzh Simpson te awa me te roto "Athabasca".

Wai hoki ratou ko te wāhi matua mō te hokohoko huruhuru. Ko tētahi o te noho a te Pākehā matamua i runga i te takutai (i runga i te rohe o Alberta) - ko Fort Chipewyan, whakaturia i roto i te 1788 e Pita Pond i te anga o te Te Tai Tokerau Te Hau-ā-uru Company. ingoa Whakataunga i roto i te honore o noho i roto i te rohe o iwi rohe Chipeyan.

Nga me te ao kararehe o te moana

Ko te roto, ko te wahi o te rangimarie-Athabasca Delta - biologically repo kanorau, kei ki te hauauru o reira. Delta Ko te tūemi nui i runga i hekenga me te wāhi kōhanga o taua momo o manu rite Tundra wani, te warou taipū, me te maha parera me kuihi. I tua atu, e pā ana ki 80% o te rohe no ki te National Park Wood Buffalo (UNESCO World Heritage Site), i te mea te kāinga ki te kahui nui o bison mohoao.

Mai 1926, ua faanahonaho te reira hī i runga i te roto o Athabasca. Kei te nuinga o te hao roto taraute, walleye me te pike raki. I tua atu i a ratou i reira he momo pērā i kiwikiwi,, perch, burbot, char Arctic. I roto i te 1961, ki te awhina o te kaihao gillnet nui whakahaere ki te hopu i te taraute i te taimaha tiketike record - 46,3 kg.

raruraru taiao

he taonga i roto i te putunga o ngā rauemi taiao Lake Athabasca. e kore e te iwi ngaro aroaro o taua. Ka rite ki te hua, ara i roto i te rautau tekau ma iwa i roto i enei wahi i timata te keri kaha o te konukarihi me koura. Tae i te roto e rave rahi kaimahi me o ratou hapu, e hāngai ana i runga i ona takutai kainga konukarihi City. katia te toku whakamutunga i roto i 1980, te pānga o ngā mahi keri e puhoi poke uta raki o te hāroto. I ke kovi ange te āhuatanga e rave rahi mara hinu nui i roto i te takiwā. maina Gold mahi i roto i te roto i tenei wa.

I roto i te Oketopa 2013 i ngahoro ki roto ki te Plant me Aletovun-manga tetahi o nga maina waro tiango me te neke atu i te 600 piriona rita o paru. Raukura o parahanga i roto i te awa, ka piri Athabasca, pane te awa. I roto i te marama, tae ia te moana, a ka maringi neke atu i 500 km.

Ko te rohe i reira te Lake Athabasca, tata rawa ki te onepu hinu. Tenei meka Ko inaianei tiaki taiao māharahara tino. Whakatika tae noa ki 1997, te pānga o te keri i runga i te rauwiringa kaiao rōwai kahore e aroturuki, me te aroturuki i te whai huatanga o tēnei wā e te pātai nui, no te mea kei te pütea reira e te kamupene hinu.

Ahakoa etahi raruraru i roto i te kohinga raraunga, kua whakaaturia nga rangahau kaiao hou te hononga tika i waenganui i nui haere parahanga o te moana, me nga onepu hinu. Faaite i te hua i roto i te nui o waiwaro kakara polycyclic i te rauwiringa kaiao mara roto e tata ana. whakaara ake tenei āwangawanga, rite te taonga mo te wa roa noho i roto i te taiao, me te kore e hanehane.

tähuna

Ko tētahi atu āhuatanga ahurei o te roto e neke tähuna, kei tata ana nga rohe tonga. I roto i te 1992, kua tenei hauropi tūturu mīharo kua tangohia i raro i te tiaki o te kāwanatanga. Whakaritea Park Athabasca Sand taipū. Kei roto i te Porowini o Saskatchewan (Canada). Ko te park hora i runga i te 100 km i te mata tonga o te roto. taipū Sand i te roa o te 400 ki te 1500 m, me te teitei o e pā ana ki 30 m. Ki te whiwhi ki tenei wahi anake i runga i te mata wai o te roto.