Txawm tias nws loj me me, kob ntawm Great Britain yog nplua nuj nyob hauv cov khoom siv dej. Lub teb chaws thaj chaw yog them nrog lub network ntawm ntab thiab pas dej. Qhov tseeb nthuav tawm yog tias feem ntau ntawm cov dej hauv Great Britain ntws los ntawm sab hnub poob mus rau sab hnub tuaj, thiab tom qab ntawd ntws mus rau hauv Hiav Txwv North.
Thames
Lub Thames muaj cov channel ntev ntawm 346 kis lus mev. Nws yog tus dej ntev tshaj plaws nyob rau hauv Askiv thiab thib ob ntev tshaj plaws nyob rau hauv tag nrho lub tebchaws Askiv. Nws keeb kwm yog nyob hauv Thames Head, hauv Gloucestershire. Nws ntws mus rau Hiav Txwv Qaum Teb, tsim ib qho estuary kawg. Tus dej yog qhov tshwj xeeb tseem ceeb raws li nws ntws los ntawm lub peev ntawm Askiv - lub nroog London. Tab sis tsuas yog ib nyuag ntu dej hla dhau London. Hauv nroog London, Thames yog kiag li nyob ntawm cov dej nthwv dej, uas tau nce siab txog 7 meters siab thiab tuaj yeem ncav lub ntsuas phoo ntawm Tidington. Cov hav dej ntawm Thames npog thaj chaw loj nyob rau sab hnub poob thiab qab teb kawg nkaus ntawm tebchaws Askiv. Cov dej no tau pub los ntawm ntau dua 20 qhov kev fwm. Muaj ntau dua 80 lub tebchaws nyob rau Thames nrog thaj chaw uas ob qho ntsev thiab dej tshiab ntws ib txhij, uas tuaj yeem lav tias muaj ntau haiv neeg ntawm cov muaj thiab tsiaj nyob ntawm tus dej.
Severn
Lub Severn River yog qhov ntev tshaj plaws nyob rau hauv tag nrho Tebchaws Askiv. Qhov ntev ntawm Severn yog 354 mais, tab sis raws li qhov ntsuas no nws qis dua rau ntawm Shannon River, uas nyob tsis yog ntawm cov kob ntawm Great Britain, tab sis nyob rau ntawm Isles British. Cov dej hla ntawm Severn nyob ntawm qhov chaw siab tshaj 600 metres, hauv thaj tsam ntawm Plyimon qhov ua siab tshaj, uas yog nyob rau hauv Cambrian Toj siab. Lub hauv paus tseem ceeb ntawm cov dej nyob hauv thaj chaw ntawm lub nroog Lanidlois, thaj chaw Powys, lub nroog Welsh ntawm Ceredigion. Tsiv mus, Severn hla cov nroog xws li Worcestershire, Shropshire thiab Gloucestershire, nrog rau cov nroog xws li Worcester, Shrewsbury thiab Gloucester. Thaum nqis los rau ntawm lub zos ntawm Upperley, Gloucestershire, tus dej ntws mus txog tus ceev ntawm 107 meters ib ob, ua rau nws ua tus dej ntws ceev thiab sai tshaj plaws hauv Askiv thiab Wales. Tom qab Ob Severn Hla Choj, uas nyob ze rau cov zos ntawm Sandbrook thiab Severn Beach, dej ntws sib nrug thiab hloov mus ua ib qho estuary.
Tsho
Tus dej tsho yog nyob rau sab qaum teb-sab hnub poob ntawm Askiv thiab yog 113km ntev. Mersey keeb kwm nyob ze lub nroog Stockport, uas yog nyob rau hauv lub nroog Greater Manchester. Tus dej ntws tsis deb ntawm ntug dej hiav txwv ntawm nroog Liverpool, nyob rau Lub Nroog Marsyside. Tus dej yog tsim los ntawm tsuas yog peb qhov dej txhaws: Goyt, Esrow thiab Tame.
Tus dej ntawm tus dej ntawm Great Britain
Nyob rau hauv tag nrho, hla 30 loj thiab 50 me me dej ntws hauv Tebchaws Askiv. Cov dej ntws tseem ceeb tshaj plaws rau kev lag luam thiab thauj kev loj hlob ntawm cov kob yog dej ntws Esk, Kab, Liddell Dej, Petteril, Eden, Caldu, Jelt, Umpul, Derwent, Eyan, Calder, Irt, Daddon, Leuven, Ea, Kent, Craik, Ui, Dee, thiab Saib Qhov Tseeb, Severn thiab Mersey saud.
