Tarihi na samu, bincike da labarin kasa na North America

A cikin makaranta shirin 'yan sa'o'i don gano nahiyar Amurka ta Arewa ajiye. A ɓangaren da, tarihin na samu, sauyin yanayi, Flora da fauna suna karatu a cikin daki-daki. Domin sauƙaƙe shiri na dalibai, mun yanke shawarar karba abu, wanda za a iya wakilta a cikin wannan labarin.

A takaice game da babban

Don haka bari mu fara. Mene ne North America? Wannan yanki na ƙasar da aka kẽwayesu da uku tekuna. Duk da karkararta ne a arewacin yammancin duniya. Yana da wannan Gwargwadon wuri, a Arewacin Amirka ne kai tsaye rinjayi da sunan nahiyar.

Tekuna wanka da babban yankin

Kamar yadda aka sani, da sakamako daga ruwa gawarwakin kewaye nahiyar, shi ne isasshe manyan. Saboda haka yana da muhimmanci sosai mu san abin da tekuna da wani tasiri a kan Arewacin Amirka. Saboda haka, kashe gabas Coast ne Atlantic. Ya bayyana rarrabe ɓangaren duniya na Eurasia. A gabas Coast akwai biyu manyan bays.

A wajen arewa na nahiyar aka kẽwayesu da Arctic Ocean. Description karshen ma da aka gudanar a kan irin wannan batutuwa kamar labarin kasa (Grade 7). North America, da ɓangaren da abin da za mu yi la'akari a cikin daki-daki, a wani labarin a kan nisa arewa yana da babban yawan tsibiran da bays. Greenland da dangantaka da babban yankin. A sauyin yanayi na tsibirin quite tsanani. An ayi a arewa maso gabashin nahiyar, shi ne a ƙarƙashin rinjayar igiyoyin da iska talakawa na Arctic Ocean. A tsibirin akwai kawai biyu climatic zones: Arctic da subarctic. A yammacin ɓangare na Arewacin Amirka, an wanke ta da tekun Pacific. A arewa maso yammacin nahiyar shared tare da Eurasia Bering mashigar.

Description na Gwargwadon wuri na North America

Bayyana babban yankin da aka located a Arewa da kuma kan Hemisphere ta Yamma. A nahiyar maida hankali ne akan wani yanki daga ekweita ga Isthmus of Panama ga Arctic Ocean a Cape Murchison. A karshen ne cikin matsananci arewacin batu. A nesa kan wanda nahiyar miƙa daga kudu zuwa arewa, shi ne fiye da 7000 km. A kudancin batu ne Cape Maryata.

A ɓangaren da a North America ne halin a tsawon ba kawai daga ekweita zuwa arewacin-mafi ma'ana, amma daga yamma zuwa gabas. Wannan nesa ne fiye da hudu kilomita dubu. Extreme maki: capes St. Charles (Gabas) da kuma Prince of Wales (West).

By ƙasar yankin a cikin ra'ayi na babban yankin tsibirin ne na uku mafi girma. North America ne na biyu kawai ga nahiyoyin biyu - Eurasia da kuma Afirka.

sauyin yanayi Features

Saboda mai girma nesa daga arewa zuwa kudu, a ɓangaren duniya ne ba a cikin kusan dukkan climatic zones. Babu kawai Equatorial. nahiyar ta sauyin yanayi ne m har ma a arewacin, kamar yadda duk tare da m Coast na Arewacin Amirka an wanke ta da dumi Gulf Stream. A kwarara daga dumi iska daga Atlantic shimfidawa cikin nahiyar. Har ila yau, babban kwarara daga dumi iska talakawa kafa ta Gulf of Mexico. Wannan shi ne dalilin da ya sa Gwargwadon wuri na North America yana da tasiri kai tsaye a kan na gida sauyin yanayi.

Winter a tsakiya da kudancin sassa na taushi. A arewacin zazzabi iya sauke zuwa -36 ° C. Summer kuma sanyi, to +6 ° C. Mafi sau da yawa, irin yanayin zafi ana lura a Grecia da tsibirin na Kanad tarin tsiburai. A kudancin nahiyar ta hunturu dumi. A zafin jiki a lokacin wannan kakar ba ya fada a kasa 0 ° C. Summers ne zafi da kuma gumi. Daga gabas zuwa yamma da sauyin yanayi ma dabam ƙwarai. A gabas Coast na da yawa gandun daji, da yamma ne mafi yawa hamada. The adadin ruwan sama a gabas da yawa sau fiye da a yamma.

Biota

A Gwargwadon wuri na Arewacin Amirka da kuma ta sauyin yanayi aka ƙara siffata gida Flora da fauna. Shi ne ya kamata a lura da cewa da girma daga nahiyar aka located a cikin temperate zone. A wannan connection, babban adadin Flora wakilta katako da kuma softwood. A arewa akwai mai kaifi miƙa mulki deciduous gandun daji a cikin Arctic jeji. Greenland da Canada Arctic tarin tsiburai ne batun glaciation.

Identity aka ƙaddara ta nahiyar arziki fauna. Ga za ka iya samun wadannan iri dabbobi da cewa rayuwa ba kawai a cikin gida yankin, amma kuma a Eurasia. Kuma suna da wakilai da cewa rayuwa na musamman a Arewacin Amirka. Nau'i na farko ya nuna cewa a baya a Eurasia da kuma Arewacin Amirka a haɗe, wato, kasance wani ɓangare na wani guda nahiyar. Na biyu ya nuna cewa rabuwa da nahiyoyi ya faru tuntuni, kuma ci gaba da bunkasa da free shugabanci.

The kusanci zuwa kudancin Amirka,

Fi kusa da Arewacin Nahiyar Amirka ne Kudancin Amirka. Sashen ya wuce ta Isthmus of Panama. Har da gina canal jiragen ruwa da ya tafi kusa da kudancin Amirka, a kewaye don samun daga Atlantic da Pacific. Tare da commissioning na tashar aiki, wannan matsalar da aka warware.

Shi ne ya kamata a lura da cewa a cikin makaranta hanya na nazari ba kawai Gwargwadon wuri na North America (7th sa), amma ta Kudu. A takaice, wadannan nahiyoyin biyu raba ekweita. Babu shakka, irin wannan tsari a kudancin Amirka rinjayar da sauyin yanayi, Flora da fauna.

A tarihin nazarin nahiyar

A tarihin binciken na babban yankin quite ban sha'awa. Yana za a iya raba da dama, saukarwa. A farko rikodin Dates baya ga XX-XI ƙarni. A 981-983 shekaru. Norman tattara da balaguro, a lokacin da nazarin Greenland da aka gudanar Labrador da Newfoundland. Duk da haka, wannan bayani bai zama a san da Old World.

Wadannan shigarwar Nazarin North America zo bayan hudu ƙarni. A cikin XV-XVIII ƙarni. Bisa ga babban yankin sha'awar a Faransa, Spanish kuma Turanci. A samu na Mississippi Delta faru a 1528 saboda da Spanish balaguro. Daga baya, a cikin 40s, karatu m. Da masu bincike sun iya haye Colorado Plateau, Mai girma sararan kasa , da kuma karamin sashi na Rocky Mountains. Wani lokaci daga baya, wani balaguro bincika kudancin Appalachian Mountains. Yana bude kogin Alabama da kuma Tennessee.

A na gaba mataki na nazari a North America iya kira da zamanin XVIII-XIX ƙarni. A cikin shekaru 30 na karni XVIII Rasha shirya yawa expeditions gano nahiyar daga Alaska. Faransa da kuma Turanci ma hannu a cikin binciken na yankin.

A XIX-XX ƙarni, Birtaniya ya ci gaba da bincika nahiyar. Su main aiki ya samu arewa maso yamma nassi. Amma da balaguro, wanda aka nazarin Arctic coast a 1845 da aka bata. Muna neman ita har shekaru goma. Ragowar da aka samu a tsibirin Sarki William. Wadanda expeditions, wanda da dako a search na Franklin da tawagar sanya babban taimako ga nazarin nahiyar, kamar Arewacin Amirka.

Labarin kasa da tarihi na gudanar da bincike a nahiyar har yanzu jawo hankalin malamai a dukan duniya.