Ukumodeliswa kwe-Glacier

Ukumodeliswa kwe-Glacier

Lapho sibona ukwakheka komhlaba kufanele sinake ukuthi kunezinhlaka ezahlukahlukene zokwakheka komhlaba okuyizakhi ezikwazi ukumodela indawo. Lezi yizinto ezinomsebenzi othile futhi ezikwaziyo ukudala amafomu amasha ekusizeni noma ekubhubhiseni akhona. Lokhu kubhalansi okuqhubekayo ku-geology yendawo. Uhlobo olulodwa lwe-ejenti ye-geomorphological yi ukumodeliswa kweqhwa. a izinguzunga zeqhwa ulimi lweqhwa oluqhubekela phambili olwandle kancane kancane futhi olukwaziyo ukukhiqiza ama-icebergs.

Kulesi sihloko sizokutshela konke odinga ukukwazi mayelana nokumodeliswa kweqhwa.

Yini i-shaper glacier

Izakhiwo zeqhwa

Uma sikhuluma ngama-geomorphological agents ahlukahlukene asebenza endaweni ethile, sikhuluma ngezenzo eziqhubekayo zalezi zinto ezisebenza ekusizeni. Isibonelo, ukuphakama kohlelo lwezintaba kuletha nokuvuselelwa kwemigudu yemifula. Imvamisa, sikhuluma ngokumodela okuguquguqukayo lapho ezinye izinto ezifana nomoya, imisinga yolwandle namagagasi kubhekwa khona. Iqhwa liyakwazi futhi ukwengamela ukwakheka kwezwe ngokuthanda kwalo, yize kuhamba kancane.

Ngokuphikisana nenkolelo evamile, inguzunga yeqhwa uhlelo olunamandla oluhamba nohlelo lwezintaba ngokuhamba kwesikhathi. Ukucabanga ukuthi sikhuluma ngeqhwa ukucabanga ukuthi kungumzimba ongenalutho ozobe ungasebenzi. Kodwa-ke, igcina ukunyakaza okungaguquguquki ngoba, ngenkathi imigoqo yamanzi engamanzi i-oda amanye ama-molecule abophayo phakathi kwawo, iyahamba futhi iqhwalele ohambweni lwentaba.

Ngenxa yokuthi iqhwa linobuningi obuncane kunamanzi, abalekela ezintantayo futhi amachibi nolwandle kungabanda kodwa ngaphezulu kuphela. Ngale ndlela, ezinye izidalwa eziphilayo kanye nezinto eziphilayo ezihlala kuzo zivunyelwe ukuqhubeka nokuhlala ngaphansi kongqimba lweqhwa ngaphandle kwenkinga. Uma senza izibalo, iqhwa cishe liyisishiyagalolunye lesisindo samanzi ketshezi. Lesi yisizathu esenza ukuthi noma iyiphi i-icerberg igcine ingxenye yesishiyagalolunye yomzimba wayo ngaphandle kokucwila.            

Ukumodeliswa kwe-Glacier kusethi yezinto eziguqula ukwakheka komhlaba ngokuhamba kwesikhathi. Ngoba inguzunga yeqhwa iyazihambisa isuka kolunye uhlangothi lohlelo lwezintaba iye kolunye, isebenza futhi iguqule konke ukukhululeka edlula kukho. Ngokudlula kwezinkulungwane zeminyaka nangemva kwamakhulu emijikelezo yeqhwa encibilikayo, zigcina zilolonga ukubukeka komhlaba. Yilokhu esikubiza ngokuthi i-glacier shaper.

Izici zeqhwa nesenzo salo

Imiphumela yokumodela ye-Glacier

Ukukhuluma ngezinto ezahlukahlukene ezisebenza kule ndawo elinganiselayo kufanele sicabangele izici ezibonakalayo zeqhwa. Kuyinto enamandla eguquguqukayo ebaluleke kakhulu lapho kwenziwa imodeli yokwakheka komhlaba. Imvamisa zitholakala ziphakeme ezintabeni nasezindaweni ezibandayo, ngoba izinga lokushisa ngokuvamile liphansi futhi livumela ukwakheka okuqhubekayo kweqhwa. Masingakhohlwa ukuthi ukuze izinguzunga zeqhwa zikwazi ukubumba ukwakheka kwezwe kufanele zihlale zizinzile iminyaka neminyaka.

Njenge-ejenti yokwakheka komhlaba singahlukanisa ukusebenza kweqhwa kube yizinqubo ezintathu eziyinhloko: ukuguguleka kwenhlabathi, ezokuthutha kanye nenzika. Uma kukhulunywa ngenguzunga yeqhwa elinganiselayo, ezokuhamba yinto ebaluleke kakhulu.

Sithola ukumodeliswa kweqhwa ezindaweni lapho amazinga okushisa ahlala ezinzile cishe ngama-degree ama-0. Lokhu kushisa kuvame kakhulu ezindaweni eziphakeme zezintaba futhi kubizwa ngokuthi yi-glacier yezintaba. Inqubo yokuguguleka komhlaba ekhiqiza iqhwa ihlukana ibe amabhlogo amabili amakhulu. Okokuqala kuyinto eyaziwa ngokuthi yi-weathering engokwenyama. Lesi simo sezulu sezulu asiyona into ngaphandle kokuguqulwa kwezinto zokwakheka komhlaba ngokusebenza kwama-ejenti ahlukile angaphandle.

Amanzi anomthamo wokunwetshwa ngenxa yokuthi, lapho eba yiqhwa, andisa ivolumu yawo, ngokuphikisana nokwenziwa ezinye izakhi. Lokhu kusho ukuthi, uma inqwaba yamanzi ewuketshezi ingene lapho ukudla kwedwala kuphenduka isimo esiqinile, kuyakwazi ukuliklwebha futhi kukhule ngamandla amakhulu okuzokwenza ukuthi idwala liqhekeke. Le ngxenye yesimo sezulu esaziwa ngokuthi yi-gelling. Ngenye yezindlela ezibaluleke kakhulu ukuthi iqhwa kufanele ligugule iplanethi.

Izinguzunga zeqhwa zihamba ezigodini ngendlela efanayo namanzi omfula kodwa zihamba kancane. Bayakwazi ukuqeda futhi bathuthele impahla ekugcineni kohambo lwayo bese beyibeka ngendlela yezidalwa zeqhwa.

Izimo zeqhwa ezilinganiselayo

Ukumodeliswa kweqhwa lasentabeni

Isenzeko sokuqala esihlangana naso ileso sebhuthi. Kungukunyakaza noma lapho impahla ye-substrate enamadwala iqhubekela phambili ngenxa yokufuduka okwenzeka ezinzulwini nasezinhlangothini zeqhwa uqobo. Lokhu kungenxa yokuncibilika kwalezi zindawo zeqhwa.

Isimo sesibili saziwa ngokuthi ukuhuzuka.. Lona umphumela wokupholisha ukuthi iqhwa likwazi ukuwukhipha ebusweni odlula kulo futhi okushiya uchungechunge lwalezi zinsuku lungamasentimitha amaningana ububanzi. Le migqa iyakwazi ukudalula imininingwane mayelana nokuthi i-glacier ibiside kangakanani isikhathi lapho. Izazi zokwakheka komhlaba zingasho ukuthi iyiphi inkomba yokuqhubekela phambili kweqhwa.

Phakathi kwamafomu ahlotshaniswa nemodeli ye-glacier esinayo isekisi leqhwa. Kuyisimo esihambisanayo esingaba nosayizi abahlukahlukene kwazise iqhwa lisebenza ezikalini ezahlukahlukene. Ibizwa kanjalo ngoba ingukucindezeleka okwakheke njengendawo yemidlalo futhi kwenzeka enhlokweni yesigodi. Imvamisa ikhonjwa kalula njengoba ingabamba namachibi eqhwa. Ukuba nokudangala ezansi kweqhwa kuthambekele ekuqongeleleni amanzi emvuleni.

Okunye ukwakheka esikutholayo yizigodi ezingama-glacial ezimise okwe-U. Njengoba ukuguguleka komfula kukhulu kakhulu kunokweqhwa leqhwa, isigodi esakha ukuguguleka komfula sime njengo-V, kanti leso seqhwa simise okwe-U.

Ekugcineni, sithola nezigubhu. Yizimo ezilinganayo lapho imiphetho enodaka namabhulokhi angajwayelekile akhiqizwe ukuhamba kweqhwa okungakwazanga ukupholisha yonke indawo lapho iqhubekele khona, ivelele. Le yindlela okuhlala ngayo ingxenye enokhahlo evelele kokunye futhi ibizwa ngama-drumlins.

Ngiyethemba ukuthi ngalolu lwazi ungafunda kabanzi mayelana nokumodela kweqhwa.


Yiba ngowokuqala ukuphawula

Shiya umbono wakho

Ikheli lakho le ngeke ishicilelwe. Ezidingekayo ibhalwe nge *

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  1. Ubhekele imininingwane: Miguel Ángel Gatón
  2. Inhloso yedatha: Lawula Ugaxekile, ukuphathwa kwamazwana.
  3. Ukusemthethweni: Imvume yakho
  4. Ukuxhumana kwemininingwane: Imininingwane ngeke idluliselwe kubantu besithathu ngaphandle kwesibopho esisemthethweni.
  5. Isitoreji sedatha: Idatabase ebanjwe yi-Occentus Networks (EU)
  6. Amalungelo: Nganoma yisiphi isikhathi ungakhawulela, uthole futhi ususe imininingwane yakho.