Menene Gulf?

Geology na ƙasa yana farawa sama da miliyoyin shekaru a duniyarmu. Wanda ya haifar da lahani, girgizar ƙasa, yashewar iska mai ci gaba, raƙuman ruwa mai ƙarfi, ja, laka, da dai sauransu. Tsarukan ƙasa ne waɗanda ke haifar da sifofin ƙasa waɗanda muke ganin sakamakon su a yau. Siffofi kamar bays, duwatsu da capes.

Tabbas kun ga rami kuma kunyi tunani akan yadda aka samar dashi. Shin kana son sanin menene gulubi kuma menene tsarin samuwar sa?

Definition

Golf shine yanayin yanayin ƙasa wanda ke tattare da ciwon babban rabo daga teku ko teku da aka kawo cikin ƙasar. Tana tsakanin tsibiri biyu ko kuma gabar teku. Kogin galibi galibi yana da zurfin gaske kuma suna da mahimmancin tattalin arziki tunda, godiya ga wurin da suke da yanayin yanayin ƙasa, suna aiki ne don kare bakin teku daga babban igiyar ruwa. Wannan ya fi son gina tashoshin jiragen ruwa da leve don haɓaka tattalin arzikin bakin teku.

Kalmar gulf galibi ana rikicewa da ɗakuna ko mashiga, amma, ba iri ɗaya bane.

Ma'anar bay da cove

A bay wani mashiga ne daga teku ko tabki wanda an kusan kewaye da ƙasa, ba kamar gulbi ba, sai dai ɗaya daga ƙarshenta. Bays din an kirkireshi ne tsawon shekaru sakamakon zaizayar bakin ruwa kuma masanan kasa suna daukar shi a matsayin cushewar bakin teku. Ruwan yana ci gaba da buga tekun kuma yana tsara shi tsawon shekaru don ƙirƙirar wannan nau'in ilimin halittar.

Kuna iya cewa bay ne kishiyar sashin teku Duk da yake yankin teku yanki ne wanda ruwa ya kewaye shi, banda na karshen daya, bakin wani yanki ne na ruwa da yake kewaye da kasa, banda karshen daya.

Humanan adam yana amfani da raƙuman ruwa, kamar gulfs, don gina tashoshin jiragen ruwa don ƙaruwar tattalin arzikin yankin.

A wani bangaren kuma, a yanayin kasa ana bayyana kwalliya a matsayin yanayin yanayin gabar teku wanda aka samu ta hanyar mashigar ruwa wanda zai dauki fasalin madauwari wanda kuma yake da karamin bakin da ke kiyaye shi, galibi ana yinsa da duwatsu.

Bambanci tsakanin gulf, bay da cove

Kamar yadda waɗannan rikice-rikice suke rikicewa, yanayin ƙasa ya tabbatar da bambanci tsakanin su. Kogin gulbi, kogi da mashiga, duk da suna da siffofi iri iri, suna raba banbanci gwargwado da zurfi. A saboda wannan dalili, ramin gwal shine na farko tare da girma da zurfin, biyun suna biye da shi, yana ɗan ƙarami da ƙasa kuma yana ƙarewa da mashigar ruwa.

An bar mashigai don wuri na ƙarshe, tunda kasancewa karama da rashin zurfin ciki, maimakon a canza su ta bakin teku, ana yin kwaskwarima da duwatsun da ke bijirowa zuwa cikin teku daga tekun.

Abin da waɗannan geomorphologies guda uku suke da alaƙa shi ne cewa an tsara su ne don gina tashoshin jiragen ruwa don inganta tattalin arzikin yankin. Ana iya gina tashoshin jiragen ruwa cikin sauƙin, tunda ruwaye suna da rauni kuma waɗannan hanyoyin suna kare su daga hawa mai hawan ruwa.

Bugu da kari, kyawun da suke bayarwa don shimfidar wurare, muhimman wurare ne ga tattalin arzikin duniya, Ba wai kawai don gina tashoshin jiragen ruwa ba, har ila yau, an kuma ƙaddara su zama wuraren da ake musayar hajoji a manyan siye, waɗanda ke zuwa daga wata ƙasa da waɗanda ke tashi, yawanci ana neman su zuwa wuraren yawon buɗe ido, da dai sauransu.

Ba a amfani da mashigar, kasancewa karami a cikin girma da zurfi, ba kamar yadda ake amfani dashi sosai don gina tashoshin jiragen ruwa ba, kodayake wasu lokuta ana gina kananan tashoshi, an fi amfani dasu azaman rairayin bakin teku, godiya ga gaskiyar cewa duwatsun suna kewaye da ruwa kuma ba su ba da damar samun raƙuman ruwa ko ƙarfi mai ƙarfi.

Mafi sanannun gulfs a duniya

Da zarar kun koyi ma'anar ramin rami da bambanci tare da raƙuman ruwa da mashigai, lokaci yayi da za ku san mahimman shahararrun mashahuran duniya. Akwai gulfs da yawa a doron duniya, amma mafi mahimmanci a babban sikeli shine Gulf of Mexico, Gulf of Alaska da Gulf of St. Lawrence.

Tekun mexico

Yankin Tekun Mexico yana tsakanin gabar tekun Mexico (a jihohin Tamaulipas, Veracruz, Tabasco, Campeche da Yucatán), gabar Amurka (a jihohin Florida, Alabama, Mississippi, Louisiana da Texas) da yankuna daga tsibirin Cuba (a gabashin ɓangaren gulf, a mashigar sa zuwa Tekun Atlantika).

Tekun Alaska

Yankin Tekun Alaska ya kunshi wani bango na Tekun Fasifik a kudancin gabar Alaska, wanda ya yi iyaka da yamma a gabar Alaska Peninsula da Kodiak Island, kuma ta gabas ta Alexander Archipelago a Glacier Bay. Kogin Alaska yana da girma sosai a cikin zurfin da har ana la'akari dashi a matsayin teku.

Mafi yawan ruwan sama da ake tarawa a lokacin damina a yankin Pacific Northwest yana faruwa ne a cikin wannan gulbin. Yankin bakin teku yana da gudu sosai kuma yana da mashigai masu zurfi. Ga duk wanda zai iya zuwa ya ganshi, zaku iya jin daɗin shimfidar wurare dazuzzuka, duwatsu da kankara daga yankin bakin teku.

Babban rafin da yake ratsa gulbin shine na Alaska. Rafi ne wanda yake ɓangare na bel mai ɗauka, yana da ɗumi a cikin yanayin kuma yana gudana arewa.

Dangane da yanayin samuwarta da tsarin kasa, Tekun Alaska yana haifar da hadari ci gaba. Wannan sabon abu ya karu a cikin tsawaitawa da ƙarfi a yankunan Arctic Circle, inda guguwar ke daɗa taɓarɓarewar dusar ƙanƙara da kankara. Da yawa daga cikin waɗannan guguwa suna matsawa zuwa kudu ko kuma gaɓar tekun British Columbia, Washington, da Oregon.

Gulf na Saint Lawrence

Wannan kogin yana gabashin Kanada kuma yana haɗuwa da Tekun Atlantika. Ruwa ne mai yawan gaske. Kogin St. Lawrence ya fara ne daga Tafkin Ontario kuma, ta hanyar mafi girman bakin kogin duniya, ya shiga cikin wannan rami.

Tare da wannan bayanin zaku iya sanin bambance-bambance tsakanin gulfs, bay da mashiga kuma ku san mahimman gulfs a duniya.