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Muntii Apalasi

Muntii Apalasi. Florescu Mihaela Clasa a VI-a. Pozitie geografica.

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Muntii Apalasi

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  1. MuntiiApalasi FlorescuMihaela Clasa a VI-a

  2. Pozitiegeografica MuntiiApalasiocupalaturaestica a Statelor Unite ale Americii. Se gasescintrecampiilesipodisurilecentrale la vest siCampiaAtlanticului la est, desfasurandu-se in directie N-E, S-V, pe o lungime de 2000 km, cu o inaltimeintre 300-500 km.

  3. Caracterizarefizico-geografica • Regiuneaestealcatuita din muntivechi, puternicmodelati de agentiiexterni, cu o altitudinemedie de 1000 m, iarcea maxima nu depaseste 2000m • Desi in ansamblu, Apalasiireprezinta un sistemmontanunitar, existainsadiferentierifizico-geografice, ce impart Apalasii in: • Apalasiinordici • Apalasiicentrali • Apalasiisudici

  4. Apalasiinordici Acestia se intind de la N-E de valeafluviului Hudson pana la granita cu Canada, continandu-se sipeacest stat. Culmilevestice, denumiteMuntiiVerzi, se infatiseaza sub forma de cute paralele la sudinaltepana la 1200 m si ca un podis slab erodat la nordcatregranita cu Canada.

  5. CulmileesticealcatuiescMuntiiAlbi, puternicfragmentati de eroziunea de rociduresifriabile. Reteauhidrograficaestereprezentataprinnumeroaselacuritectonice, precumsirauri cu vaiputinondulate. Climaestetemperatcontinentala, destul de aspracu toataapropierea de acean, intrucatcurentulrece al Labradoruluiprovoacascaderi de temperatura. Precipitatiiledestul de bogateinsumeazaanual 100 mm. acesteconditiiclimatice au favorizatdesvoltarea de brad, pin, artar, mesteacan

  6. ApalasiiCentrali Acestia se aflasituatiintreMarileLacurisiCampiaLitoralAtlantica . Se deosebesc de Apalasiinordiciprin relief, climasiviataeconomicamultmaidezvoltata. Reliefulesterelativscazut, caracterizatprinurmeleglaciatieimontane: rocislefuite, nisip, lacuriglaciare. Climaestetemperatoceanica, precipitatiilesunt bogate:1000- 2000mm anual, iarzapezile abundente. Vegetatiaestealcatuitadintr-o varietate de specii. La poalele muntilorintalnimpaduri de foioase cu stejari, iarspre versantiintalnimbraziisipinii.

  7. Apalasiisudici Apalasiisudicisuntmaiinaltidecatcelelaltesectoare, avandculmidispuseregulatsi o hidrografiemaievoluata. Climaeste subtropical umeda, precipitatiilesuntbogate: 2000 mm annual si cad mai ales vara, avandcaractertorential. Vegetatiaesteconstituita din paduri de foioase, specificeprin: stejar, mongolie, castansiartar.

  8. Sfarsit

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