Degree layin wutar na Duniya: Western Hemisphere (kasashe da nahiyoyi)

Duniyar mu ne zuwa kashi gabashi da kasashen yammancin duniya, kuma wannan rabo ne wajen sabani. Wani layi ya raba Duniya cikin biyu hemispheres? Mene ne nahiyoyi da kuma kasashen a cikin Hemisphere ta Yamma? Amsa ga dukkan wadannan tambayoyi za a iya samu a cikin m labarin.

Degree layin wutar na Duniya: Eastern da Hemisphere ta Yamma

Mene ne mataki Grid? Wannan cibiyar sadarwa na al'ada Lines, wanda aka gudanar a kan wani duniya da kuma maps don saukaka mutane. A musamman, wadannan Lines bukatar masana kimiyya da masu bincike, matafiya da manyan jami'an harkokin kasuwanci. Suna bukatar su da sauri da kuma daidai ƙayyade wurin da wani abu Gwargwadon a kan ƙasa na duniya tamu.

Don mataki layin ne da daidaici da kuma meridians, kazalika da layi na yammacin sahara da iyakacin duniya da'irori. Aka sãme su a kusan duk maps.

Idan da rabo daga Duniya ta ekweita a cikin arewacin da kuma Kudancin yammancin duniya ne ma'ana da kuma wajaba a kansa, da Hemisphere ta Yamma da Gabas ta kasaftawa wajen yanaye. Game da yadda ya faru, shi za a.

Sifili da 180th meridians

Yana da wadannan biyu meridians raba duniya kashi biyu hemispheres: Yamma da Gabas.

Sifili (ko Greenwich) Meridian ne reference nufi ga duk yanayin longitudes duniya. Greenwich ake kira, domin shi ya wuce ta wucewa kayan aiki eponymous Observatory, dake kusa da London. A karshen da aka kafa da baya a 1675 ta Birtaniya Sarki Charles II.

Yana da ban sha'awa cewa har ƙarshen XIX karni a wasu kasashe akwai wani sifili Meridian. Alal misali, a Rasha irin rawa Pulkovo Meridian, kuma a Faransa - abin da ake kira Paris. Kawai a cikin 1884 aka yanke shawarar kafa shi a matsayin sifili Greenwich Meridian a taron kasa da kasa ƙasashe. Yana wuce ta ƙasar kasashe irin su Birtaniya, Faransa, Spain, Aljeriya, Mali, Ghana da Burkina Faso. A Greenwich Observatory sau da yawa yawon bude ido zo. Kuma kowane daga cikinsu yana zamar masa dole ya yi a al'ada to tsaya tare da daya kafar, a gabashin yammancin duniya da kuma sauran - a yamma.

Bi da bi, da 180th Meridian ne sabani line, wanda ya ci gaba da Greenwich Meridian a hayin na Duniya. Yana kuma hidima a matsayin dalilin da ake kira line canji kwanakin, wanda, ba zato ba tsammani, ba lebur, amma mai lankwasa yanayin. Ta canja a wuraren da Meridian wuce ta lugar yankunan.

A 180th Meridian, akwai wani ban sha'awa alama. Da cewa shi za a iya kira a matsayin wani line gabas da yamma. Wannan Meridian (kamar wani a kan duniya) ta haɗu da Arewa iyakacin duniya da ta Kudu. A lokaci guda ya crosses da wadannan yanayin siffofin: da Chukotka Larabawa, Chukchi Sea, Bering Sea, da sarkar na Aleutian Islands, Fiji, kazalika da sararin expanses na Antarctica.

Kasashen da nahiyoyi na Western Hemisphere

Abin da nahiyoyi ne a cikin Hemisphere ta Yamma? Idan ka dubi taswirar, amsar wannan tambaya shi ne quite sauki. Wannan nahiyar Amirka (wannan jãhilci), kazalika da sassan Turai da Afirka.

A geo-siyasa articles da kuma tattaunawa ne ma sosai na kowa ya zo a fadin ajalin Western Hemisphere, wanda aka yi amfani a matsayin dangantawa zuwa ga kalma "America" (a nan tana nufin wani bangare na duniya, da kuma ba daya daga cikin nahiyoyi).

wannan yammancin duniya kasashen da daban-daban masu girma dabam. Daga cikin su akwai ƙattin na kasar (Amurka, Canada, Brazil) da sosai kananan jihar (misali, Dominica da Bahamas). A 2014, 33 kasashe a cikin Hemisphere ta Yamma da aka gudanar da sabon kafa Commonwealth taron na Latin American da Caribbean States (rage tsawon CELAC). A taron ya faru a Liberty Island, a cikin babban birnin kasar Cuba - Havana.

ƙarshe

Hemisphere ta Yamma - a yammancin duniya na Duniya, wanda aka located tsakanin sifili da 180 m meridians duniya. A Gwargwadon tsarawa dukkan wuraren dake a wannan yammancin duniya, da ake kira da lura na longitude.

A Hemisphere ta Yamma, located Arewa da kuma Kudancin Amirka (wannan jãhilci), wani ɓangare na Turai da Afirka, Greenland, Chukotka, kazalika da dama tsibirin jihohin Oceania.