A Gwargwadon wurin da Pacific: description da halaye

Pacific (duniya taswira ba ka damar gani ga inda shi ne) - a bangaren na duniya ruwaye. Ya shi ne mafi girma a kan duniya duniya. By girma na ruwa da kuma yankin da aka ta da abu daukan up rabin ƙara da dukan jiki na ruwa. Haka kuma, shi ya kasance a cikin Pacific Ocean ne mafi zurfi ciki na Duniya. By yawan tsibiran da suke a yankin, shi ma daukan fari. Wanke gaba na duk nahiyoyi na Duniya, fãce Afirka.

fasalin

Kamar yadda aka ambata a baya, da ɓangaren da na tekun Pacific ne saboda haka cewa ya mamaye wani babban bangare na duniya. Its yankin - miliyan 178 km ^{2 ..} By girma na ruwa - 710 miliyan kilomita ^{2 ..} Daga arewa zuwa kudu, da tekun lullube for 16 kilomita dubu, kuma daga gabas zuwa yamma -. 18 dubu km .. Da dukan ƙasar da duniyarmu zai yi wani yanki karami fiye da Pacific miliyan 30. ² km.

iyakokin

A Gwargwadon wuri na Pacific damar da shi rike da wani da ban sha'awa yanki a cikin ta Kudu da kuma a cikin Arewacin Hemisphere. Duk da haka, saboda da manyan adadin ƙasar a cikin ruwaye na karshen muhimmanci quntata zuwa arewa.

Iyakoki na Pacific ne kamar haka:

• Don gabas: shi wanke gaba na biyu American nahiyoyi.
• A arewa: iyakar kudu-gabashin ɓangare na Eurasia, da tsibirin na Malaysia, da Indonesia, da gabashin gefen Australia.
• A kudu: Ocean ginu ne a cikin kankara na Antarctica.
• A arewa: ta hanyar da Bering mashigar, wadda rarrabe Amurka Alaska da kuma Rasha Chukotka, Yanã shigar da ruwan Arctic Ocean.
• A kudu maso gabas: for da Drake nassi haɗu da tekun Atlantic (notional iyaka da Cape zuwa Cape Shternek Drake).
• A kudu maso yammacin: shi hadu da tekun Indiya (da notional iyakar Tasmania kuma guntu Meridian maki located kashe bakin tekun na Antarctica.).

Challenger Deep

Kasa matsayi na Pacific Ocean sa ya yiwu don magana game da musamman alama cewa characterizes nesa daga kasa zuwa ruwa surface. Matsakaicin zurfin tekun Pacific, kazalika da dukan duniya ta teku a matsayin dukan - game da 11 km. Shin wannan ƙullunku a Mariana tare mahara, wanda aka, bi da bi, aka located in yammacin ɓangare na yankin, a kusa da eponymous tsibirin.

Da farko kokarin vymeryat rami zurfin kokarin a 1875 da wani Birtaniya Corvette "Challenger". A saboda wannan dalili, zurfin yawa (musamman na'urar ga aunawa da nesa zuwa kasa). A farko rubuce yi a lokacin kududdufai binciken da aka yi wa alama kadan fiye da 8000 mita. A shekarar 1957, da zurfin ji dauki Soviet balaguro. Bisa ga sakamakon wannan aiki data daga baya nazarin da aka canza. Shi ne ya kamata a lura da cewa mu masana kimiyya don samun kusa da ainihin darajar. A zurfin wuriyar daga ma'aunai, ya 11.023 m. Wannan adadi ya dade da aka dauke yadda ya kamata, da kuma a handbooks da kuma litattafan da aka kayyade a matsayin mafi zurfi ma'ana na duniya. . Duk da haka, a cikin 2000s, godiya zuwa fitowan da sabon, mafi daidai kida da cewa taimaka ayyana daban-daban dabi'u da aka kafa ta wannan mafi aminci zurfi daga cikin gutter - 10 994 m (Research, 2011). Wannan batu na Mariana tare mahara da ake kira "Challenger Deep". Saboda haka musamman kuma na musamman Gwargwadon yanayin da ake ciki na tekun Pacific.

Wuriyar kanta lullube tare da tsibirin kusan 1500 km. Ya na da kaifi gangara kuma lebur stretches for 1.5 km, kasa. A matsa lamba a cikin zurfin na Mariana trough da dama dubun sau fi a kananan teku zurfin. Mahara located a jamsin na biyu tectonic faranti - Philippine da kuma Pacific.

sauran yankunan

Next zuwa Mariana tare mahara, gudanar da wani yawan mika mulki yankuna daga babban yankin zuwa cikin teku: da Aleutian, Japan, da Kuril-Kamchatka, Tonga-Kermadekskaya da sauransu. Dukan su suna located tare da Laifi na tectonic faranti. Wannan yanki shi ne mafi seismically aiki. Tare da na Gabas mika mulki yankuna (a cikin ribace-ribace na dutsen yammacin nahiyar Amurka), sai suka samar da abin da ake kira Zobe daga wutã. Mafi yawan aiki da kuma dadaddun ma'aunan kasa tsarin located a cikin iyakokinta.

tekuna

Description na kasa halin da ake ciki na Pacific da su taɓa teku. A karkata daga cikin Oceanic tekun na su suna located quite babban lambar. Su mayar da hankali, yafi a cikin Arewacin Hemisphere, kashe bakin tekun na Eurasia. Su fi 20, jimlar area (ciki har da straits da bays) a 31 Mill. ^Km2. The most rairayin bakin teku na Pacific Ocean: Tekun Okhotsk, da Barents Sea, da Yellow, da ta Kudu da kuma Gabas China, Philippine da sauransu. Kashe bakin tekun na Antarctic ne 5 Pacific kududdufai (Ross Urville, Somova et al.). Gabas Coast na cikin teku - wani uniform, slaboizrezanny tudu, da wuya ya isa, kuma tẽku ya aikata ba. Duk da haka, akwai 3 Gulf - Panama, California da kuma Alaska.

tsibiran

Hakika, a cikakken bayanin irin Gwargwadon wuri na tekun Pacific da kuma ya hada da wani fasalin a matsayin babbar adadin ƙasar, located kai tsaye a ruwa yanki. Akwai fiye da dubu 10. Islands da kuma tsibirin archipelagos na daban-daban masu girma dabam da kuma asali. Mafi yawansu - volcanic. Suna located a cikin subtropical da kuma wurare masu zafi sauyin yanayi zones. Kafa saboda da volcanic shigowa, da yawa daga cikin tsibiran sun overgrown tare da murjãni. Daga bisani, wasu daga cikinsu kuma suka tafi a karkashin ruwa, kuma ya rage kawai a kan surface Layer na murjani. Ya yawanci daukan wani nau'i na da'irar ko Semi-da'ira. Wannan tsibirin da ake kira wani Atoll. The most aka located in yi iyaka da Marshall Islands - Kvadzhleyn.

A wannan ruwa yanki, sai dai da kananan tsibiran na volcanic da murjani asalin, kuma akwai manyan wuraren Duniya ta ƙasar. Wannan shi ne quite halitta, ba da Gwargwadon wuri na tekun Pacific. New Guinea da kuma Borneo - yammacin ɓangare na tsibirin ruwaye. Su bi da bi zauna 2nd da 3rd wurare a yankin da duniya. Har ila yau a cikin Pacific Ocean ne a duniya, most tarin tsiburai - Greater Sunda Islands, kunsha na 4 manyan yankunan da ƙasa, kuma fiye da 1 000 kananan.