Cov txheej txheem:
2024 Tus sau: Harold Hamphrey | [email protected]. Kawg hloov kho: 2023-12-17 10:14
Tus dej Sava, ua ib txoj cai ntawm Danube, ntws los ntawm thaj av ntawm plaub lub tebchaws sab hnub tuaj Europe: Serbia, Croatia, Bosnia thiab Herzegovina, thiab Slovenia. Keeb kwm nyob rau hauv lub roob nyob rau hauv ib ncig ntawm lub xeem lub xeev, tus dej merged nrog lub Danube nyob rau hauv lub nroog ntawm Belgrade.
Qhov nruab nrab ntawm tus dej ua haujlwm raws li ciam teb ntawm Bosnia thiab Herzegovina nrog Croatia. Ntau lub xeev hla ntawm Sava ua rau nws yog ib tus dej tseem ceeb tshaj plaws hauv Balkans.
Geography thiab Hydrology
Tus Dej Sava yog qhov chaw ntev tshaj plaws ntawm Danube thiab lub pas dej loj thib ob tom qab Tisza. Qhov ntev ntawm tus dej yog 990 kilometers, thaum thawj plaub caug-tsib ntawm lawv, lub Sava ntws los ntawm lub Alpine hav ntawm Slovenia. Lub Sava yog ib tug dej loj tshaj plaws nyob rau hauv cov teb chaws Europe thiab tej zaum tsuas yog txoj kev dej ntawm lub ntim no uas tsis ntws ncaj qha mus rau hauv lub hiav txwv.
Cov pejxeem ntawm tus dej phwj tuaj tshaj yim lab, thiab cov peev ntawm tus dej Sava nce mus txog peb, cov no yog Belgrade, Ljubljana thiab Zagreb. Rau qhov kev ncua deb, tus dej yog navigable rau cov nkoj loj, uas txhais tau hais tias rau lub sijhawm ntev nws yog ib qho ntawm cov hlab ntsha tseem ceeb ntawm cov teb chaws Europe sab hnub tuaj, piv rau qhov tseem ceeb rau cov dej ntws xws li Rhine lossis Elbe.
Tus dej yog ciam teb ntawm Central Europe thiab Balkan Peninsula.
Los ntawm qhov ncauj
Tus Dej Sava yog tsim los ntawm qhov sib txuam ntawm Sava-Bohinko thiab Sava-Dolinka. Nyob rau thaj tsam tam sim ntawd, ob peb tus dej loj ntws mus rau hauv Sava - Sora, qhov ntev ncav cuag 52 km, Trzic Bystrica (nws stretches rau 27 km), nrog rau kaum xya-kilometer Radovna.
Txawm li cas los xij, Sava noj tsis tau tsuas yog nyob rau hauv cov dej ntawm lwm tus dej, tab sis kuj rau cov dej yaj uas ntws los ntawm cov roob ib puag ncig, nrog rau cov dej hauv av uas tuaj rau saum npoo ntawm ntau cov dej ntws thiab cov dej ntws.
Los ntawm qhov chaw tus dej tsim mus rau nws txoj kev hu ua Sutla, Sava ntws mus rau sab hnub tuaj ntawm qhov siab ntawm 833 meters saum hiav txwv. Ljubljana tsis yog tsuas yog lub peev ntawm lub xeev, tab sis kuj yog lub nroog hauv Slovenia ntawm tus dej Sava. Thiab ua ntej nkag mus rau hauv lub nroog txwv, tus dej tau ntsib ob lub pas dej ua ke ntawm nws txoj kev, thiab tseem hla ntau lub pas dej thiab cov pas dej.
Txawm li cas los xij, tam sim ntawd tom qab Ljubljana, cov channel tig mus rau sab hnub tuaj, qhov twg qhov siab ntawm tus dej poob qis heev. Looping raws toj roob, qhov ntws ntawm Sava ntsib ntau lub zos thiab lub zos nyob rau hauv nws txoj kev, cov inhabitants ntawm uas ib txwm siv qhov sib ze ntawm tus dej thiab nws cov peev txheej hauv lawv lub neej.
Sava River hauv Serbia
Rau yuav luag rau pua mais ntawm qhov sib txuam nrog Danube, tus dej piav qhia yog navigable thiab, raws li kev faib tawm thoob ntiaj teb, sib haum rau qhov zoo ntawm chav kawm navigation V.
Txawm tias qhov tob ntawm nwsTxoj kev ncaj ncees tso cai rau cov hlab ntsha hnyav dhau mus, nws qhov tortuosity imposes tseem ceeb txwv rau lawv ntev. Yog li ntawd, nyob rau hauv 2008, lub teb chaws los ntawm lub Sava ntws tau txiav txim siab ua ntej kom tob thiab ncaj tus ntug dej ntawm qee qhov chaw, uas, raws li cov kws tshaj lij, yuav tsum ua kom cov khoom ntws nce ntxiv thiab txhim kho kev nyab xeeb ntawm kev taug kev.
Lub nroog Serbian Belgrade yog lub nroog loj tshaj plaws ntawm tus dej txoj kev. Cov pejxeem ntawm lub nroog no tshaj 1,200 txhiab tus neeg.
River phiab ecology
Qib ntawm ib puag ncig muaj kuab paug txawv txav thoob plaws hauv tus dej phwj thiab nyob ntawm qib kev tsim kho kev lag luam hauv ib lub tebchaws. Tsis tas li ntawd, kev ua liaj ua teb, uas yog lub hauv paus tseem ceeb ntawm cov pa phem nitrogen, yog ib qho tseem ceeb rau kev ua paug dej.
Ntawm thaj chaw ntawm Serbia, feem coob ntawm cov tuam txhab thiab cov nroog tsis muaj chaw kho mob, uas ua rau muaj kev cuam tshuam loj heev thiab txo qis kev sib txawv ntawm cov dej hauv tus dej. Qhov chaw ntawm cov pa phem tseem ceeb hauv kev lag luam tau txheeb xyuas thaj chaw ntawm Bosnia thiab Herzegovina, Serbia thiab Slovenia.
Hauv 216 cov qauv, mercury concentrations ntau tshaj qhov siab tshaj qhov tso cai los ntawm 6 zaug tau pom, thiab cov tshuaj hnyav hnyav tau pom nyob hauv qab cov sediments. Hauv particular, tooj liab, zinc, cadmium thiab txhuas muaj nyob rau hauv cov qauv no ntawm cov concentrations zoo tshaj qhov siab tshaj plaws tso cai.
Croatia ua kom muaj kuab paug tsawg tshaj plaws. Cov kws tshawb fawb ntaus nqi qhov tseeb rau qhov kev coj ua zoo tshaj plaws ntawm tsoomfwv cov koom pheej rau ib puag ncig, thiab kev loj hlob tseem ceeb ntawm kev lag luam tourism.
Pom zoo:
Xya Lub Ntiaj Teb: Pyramid ntawm Cheops, Hanging Gardens ntawm Babylon, Pej thuam Zeus ntawm Olympia, Tuam Tsev ntawm Artemis, Mausoleum ntawm Halicarnassus, Colossus ntawm Rhodes, Lighthouse ntawm Alexandria
Lub Xya Hli Ntuj ntawm Lub Ntiaj Teb yog qhov tseem ceeb ntawm cov kos duab qub thiab architecture. Cov no tsis yog tsuas yog qhov chaw zoo nkauj xwb, tab sis kuj yog kev tsim kho thiab kev daws teeb meem. Txhua qhov kev tsim tau tshwj xeeb, zoo heev rau nws lub sijhawm. Ancient vaj tse thiab monuments tau nce mus rau qeb ntawm txuj ci tseem ceeb los ntawm cov kws tshawb fawb tseem ceeb tshaj plaws, cov neeg tsim khoom, cov thawj coj ntawm lub ntiaj teb thaum ub
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