Valley Central: indawo, imozulu, ingakumbi

Valley Central - ndawo imi embindini North America. It is a ntlango ezisezantsi zogqunyelelwe, eyakhiwa weentili yeentlobo ezahlukeneyo: gquma, ichibi, loess kunye outwash. Emantla-mpuma umda kwenkqubo ntaba Appalachian emzantsi-mpuma - kunye Laurentian Hills. Umda ongezantsi ifikelela Gulf Coastal Plain. Ngasentla, ejongene kwimimandla umhlaba Omkhulu.

Amathafa yolula ye-US kunye Canada. Apho unako ukufumana indawo enkulu ombhaxa, nto leyo eyaziwa ngokuba imisebenzi yayo ezisemaphandleni yezoqoqosho. Le ndawo yenziwe kakuhle kakhulu. Oku lula yoncedo, kunye neemeko zemozulu. 75% yabo yonke indawo amagqabi phantsi zokuhlala kunye namasimi. Esi sixeko idumileyo, ifumaneka apha, Chicago. Ngoko ke, makhe sijonge ezichaphazela zimke kwelo zwe.

Iimpawu kunye nesimo sendawo ye-Central Plains

Central Valley Average ukuphakama 150-500 m. Yaye yakhiwa nasemaweni Upper ne Lower Paleozoic ezithi zilungiswe tye yaye ngokuyinxenye ithambekele ngasemntla. Ngo-mpuma, apho kumathafa zifike Great Lakes indawo isiqabu linikwa kwi uhlobo nasentshonalanga nzulu kunye amathambeka azilingani - cuesta. Ziye ke yakhiwa carbon fiber, Silurian neetyuwa Devonian. I Cuesta lolona kwasekwa neetyuwa Silurian. On omnye wabo, ekuhlanganeni kweendlela yayo lomlambo eyayiseNiagara, idala enye ezinomtsalane edume Intshona Melika - Niagara Falls.

Central Valley for becala zizele kwezakhi iidipozithi glacial. Yeyona nesisekelo ngaphantsi. Oku kubonisa ukuba le ndawo sele ngokuphindaphindiweyo ukuba kuthotyelwe phantsi ehlanganiswa ezihambayo, mhlawumbi, kwisithuba Pleistocene.

Le ndawo - ngingqi eyona ndawo inabantu nakuMntla Melika. Le nyaniso kwavela ngokwembali. Abantu apha umtsalane kumazwe echumayo, yaye kudala waba mmandla sisetyenziselwa kwezolimo. Okwangoku, ngaphezulu kwama-90% ye-kwezityalo zemveli ibhuqiwe, ihlathi-emathafeni kunye ihlathi indawo izityalo zezityalo.

Ezi kumathafa elinakekela bahambe ezindulini, dissected yi umlambo iintlambo isiqabu. Ziye ke yakhiwa ngamatye lentlenga - lekalika. Kuphela emazantsi phezu kobuso rock nobunzima - iintaba Boston, nto leyo eqhutywa kwinkqubo Appalachian. Umyinge ukuphakama ifikelela 600-800 m.

sezulu

iimeko zemozulu kule ngingqi kwatshintsha kwicala latitudinal. Kufuneka kuqatshelwe ukuba kakuhle ngokwaneleyo. nempembelelo enkulu phezu ukuyilwa yemozulu kufuneka imisinga ezibandayo kunye efudumeleyo evela Atlantic. Ihlobo e Central Amathafa amaqondo efudumeleyo avareji ye +20 ... + 22 ° C. Kwingingqi osemazantsi ithemometha nivuke ku +28 ° C. Winter kule ngingqi kuyabanda kwaye frosty. Phantse lonke ixesha waqhubeka yingqele amaqondo obushushu. Umyinge isotherm Januwari - -12 ... -16 ° C. I-avareji imvula ngonyaka 750-900 mm. Abaninzi kubo uwela ehlotyeni, kodwa ebusika selikhithika rhoqo, ekusekeni snowpack izinzile. Omkhulu kunye Valley Central ukuba imozulu kunokuba efanayo.

imithombo yendalo

Le ndawo ibaluleke kakhulu kwezoqoqosho. Valley Central afumaneka iidipozithi zamalahle, oyile negesi. nazo apho misela itafile ityuwa kunye barite. iidipozithi Coal e-mpuma, kufutshane inkqubo entabeni Appalachians. A amasimi oyile enkulu ibekwe kumantla Central Plains.

Enezityalo nezilwanyana

Le ndawo Central Amathafa bobabo kwindawo ezinamagqabi avuthulukayo kunye namahlathi exutyiweyo. Noko ke, utyani ingcambu walondoloza kuphela kwiindawo ezincinane, ngokwahlula emasimini kunye namadlelo. Fields alinywe izilimo, umbona. iimpuku kuphela twa enezityalo.

Valley Central - ummandla ezolimo ibalulekileyo eUnited States. 85% yazo zonke iimveliso zezolimo eziveliswa kule ngingqi.