Pacific: kasa taimako. Features na taimako na Pacific Ocean bene

The taimako daga cikin teku bene amfani ga mutane da yawa masu bincike, shan la'akari da cewa wannan al'amari ne da har yanzu ba cikakken gane. A cikin wani hali, akwai asirai da kuma inexplicable daga ra'ayi na kimiyya mamaki cewa ya ɓõye da tekun Pacific. Kasa topography wannan ɓangare na duniya tekuna suna sha'awar masana kimiyya a duniya, don haka tare da enviable mita shirya nazari a irin wannan batu. Wannan kimiyya expeditions karatu kasa na tekun Pacific, samun sakamakon, wanda a wani lokaci gaba daya ya canza mutum fahimtar ba kawai na kasa, amma kuma game da ma'aunan kasa tsarin da Duniya a general.

Oceanic dandali

Features na Pacific Ocean kasa topography mamaki ga mutane da yawa masu bincike. Amma lokacin da ya zo ga tsari, ya kamata ka fara da manufar "teku dandamali." Su wakiltar wasu sassa na bawo, wanda sun dogon rasa motsi da ikon nakasawa. The masana kimiyya ma bambanta da waɗanda rabo daga cikin teku bene, duk wanda har yanzu suna aiki isa, kuma yanzu - geosyncline. Wadannan aiki yankuna na bawo ne na kowa a cikin Pacific, wato a yammacin ɓangare.

"Zobe daga wuta"

Mene ne abin da ake kira "zobe na wuta"? A gaskiya ma, cikin Pacific ne a cikin sosai cibiyar, da kuma cewa shi ne abin da shi ne muhimmanci daban-daban daga kasashe makwabtanta. Domin bayani, a kan ƙasa a halin yanzu rajista game da 600 volcanoes, amma 418 daga cikinsu suna located a kan gaba na tekun Pacific.

Akwai volcanoes, wanda ba ya dakatar da tashin hankali aiki, ko a zamaninmu. Wannan dangantaka da farko da sanannen Dutsen Fuji, kazalika da Klyuchevskoy tuddai. Akwai volcanoes da suke da isasshe tsawon lokaci riƙe da semblance a kwantar da hankula, amma a daya batu za a iya cika fuska canza kama zuwa wuta-numfashi dodanni. Alal misali, ya yi magana akan irin wannan aman wuta kamar yadda BANDAI-san a Japan. A sakamakon da ya tada shafa da dama kauyuka.

Masana kimiyya sun ko da rajista a aman wuta a cikin tekun Pacific.

Volcanoes tada "zobe na wuta"

Bugu da kari da sanannen da kuma sanannun duniya tada aman wuta BANDAI-san yana da yawa irin wannan lokuta da aka bayar da rahoton. Alal misali, da aman wuta Nameless, located in daya daga cikin yankunan da Kamchatka, ya sanar da kansa ga duniya a cikin 1950s. Lokacin da ya farka daga ƙarni na barci, Seismologists iya rajistar game 150-200 raurawar ƙasa a kowace rana.

Its shigowa zo a buga su da yawa masu bincike, wasu daga cikinsu na iya daga baya ce yaƙĩni da cewa wannan shi daya daga cikin mafi m volcanic paroxysms karni na karshe. Abinda ya so, shi ne rashin eruptions a yankin na mutum ƙauyuka da kuma mutane.

Kuma a nan ne wani "dodo" - Ruiz aman wuta a Colombia. Ya tada kashe fiye da 20 da mutane dubu.

Hawaiian Islands

A gaskiya, abin da muka gani shi ne kawai da tip na dutsen kankara cewa boyewa da tekun Pacific. Features na taimako da shi kanan a gaskiyar cewa cibiyar kara isasshe tsawon sarkar na volcanoes. Kuma cewa shi ne da Hawaiian Islands ne pinnacle na karkashin ruwa Hawaiian Ridge, wanda aka dauke da most volcanic jari tsawon na kan 2,000 kilomita.

Hawaiian Ridge lullube dama up zuwa Midway da Kure, wanda aka located in arewa maso yammacin.

Hawaii da kanta kunshi biyar aiki volcanoes Bayan rufe, da tsawo daga wasu daga cikinsu na iya zama mafi girma daga hudu kilomita. Wannan dangantaka da farko zuwa volcanoes na Mauna Kea da Mauna Loa. The mafi ban sha'awa abu ne cewa, idan ka auna tsawo na aman wuta Mauna Loa tare da tafin kafa, wanda shi ne a kan kasa daga cikin teku, shi dai itace cewa da tsawo ne fiye da goma kilomita.

Mahara na tekun Pacific

A mafi nishadi teku da kuma boye da yawa asirin - wannan shi ne tekun Pacific. A kasa sauƙi ne abin mamaki a cikin bambancin da yake a kiwo ƙasa domin tunani to masana kimiyya da dama hankalinsu.

Don mafi har wannan yana zartuwa ga Pacific Ocean mahara, wanda yana da zurfin 4300 mita, tare da irin wannan ilimi ne mafi sananne kashi na kimiyya da bincike. A mafi yawan sanannun duniya - Challenger, Galatea, Emden, Cape Johnson, Planet, Snell, Tuscarora, Rama. Alal misali, Challenger yana da zurfin 11 dubu 33 mita, bi da Galatea riga underway tare da zurfin 10 dubu 539 mita. Zurfin Emden ne 10 dubu 399 mita, yayin da Cape Johnson yana da zurfin 10 dubu 497 mita. A mafi "m" yana dauke da ciki Tuscarora tare da matsakaicin zurfin tare da dukan tsawon a 8000 513 mita.

seamounts

Idan kana taba tambayarka don "Ka kwatanta ƙasa na Pacific Ocean kasa" - za ka iya nan da nan fara magana game da seamounts, domin wannan shi ne abin da nan da nan sha'awar your interlocutor. A kasa na wannan ban mamaki teku yana da yawa na karkashin ruwa duwãtsu da ake kira "guyots". Suna halin da lebur fi, kuma ta haka ne zai iya zama a zurfin game 1.5 kilometer, sa'an nan zai iya zama da yawa da zurfi.

Ainihin ka'idar masana kimiyya ce da seamounts sun da aiki volcanoes da aka tashe saman teku matakin. Sa'an nan, suka aka wanke daga, kuma sun kasance a karkashin ruwa. Ba zato ba tsammani, da karshen al'amari ne na gangami domin masu bincike, domin shi zai iya nuna ma cewa kafin wannan ɓangare na bawo da ya samu wani irin "subsidence".

A gado na tekun Pacific

Tun da farko wannan shugabanci mai yawa bincike da aka gudanar, ya aiko da yawa kimiyya expeditions domin mafi bincika kasa na tekun Pacific. Hotuna nuna cewa yawanci zaunar da wannan ban mamaki teku da aka hada da ja lãka. Don a karami har za a iya samu a kasa blue yl ko dandaƙewa murjani, niƙaƙƙun gaɓãɓuwa.

Abin lura shi ne cewa manyan yankunan da Pacific Ocean bene ne sau da yawa ya rufe more kuma diatoms, globigerina, radiolarian da pteropod silt. An ban sha'awa al'amari ne ma irin wannan cewa a daban-daban sediments iya sau da yawa sami sharks 'hakora ko manganese nodules.

Janar bayani a kan kasa na tekun Pacific

Da samuwar da Pacific Ocean kasa shafi dalilai kamar exogenous da kuma na ciki. Recent ne ciki da kuma tectonic - suna bayyana a cikin hanyar wani iri-iri submarine da raurawar asa, da jinkirin motsi na duniya ta ɓawon burodi da kuma volcanic eruptions. Wannan shi ne abin da ake ban sha'awa da tekun Pacific. kasa topography ne kullum canja saboda kasancewar wani babban yawan volcanoes duka biyu a kan ta Coast da kuma a cikin ruwa mai zurfi. ne daban-daban igiyoyin, teku jihar, da kuma turbidity kwarara zuwa exogenous dalilai. Irin wannan gudana ne halin a cewa cikakken m, ba narkar da a cikin ruwa barbashi, wanda sai matsawa da gagarumin gudun da gangara. Har muhimmanci musanya kasa da taimako da kuma rayuwar da marine kwayoyin.

Masana kimiyya da dama karfi da sha'awar da tekun Pacific. A kasa taimako yanaye kasu kashi dama siffofin. Wato: nahiyar gefe, da miƙa mulki zone, teku bene, kazalika da tsakiyar teku ridges. Na miliyan 73 sq. km 10% na nahiyar gefe da dama a kan tekun Pacific.

A nahiyar gangara ne wani ɓangare na kasa wanda yana da gangare a cikin 3 ko 6 darajõji, kuma shi ne located a cikin matsanancin gefen nahiyar gefe na shiryayye. Abin lura shi ne cewa da tekun volcanic guda ko murjani tsibirin, wanda shi ne mai arziki a cikin Pacific Ocean, da karkacewa iya zama har zuwa 40 ko 50 digiri guda.

A mi} a mulki zone ne halin gaban sakandare siffofin, wanda za a located in wani m domin. Wato - na farko da m m teku dab da babban yankin da ƙafãfu da kuma daga teku da shi za a iyakance by m dutsen jeri. Wannan shi ne quite hali na Japan, Gabas China, Mariana, Aleutian mika mulki zones, wanda aka located a yammacin tekun Pacific.