Ranar IPY Mai da hankali akan Sheets na Kankara

Kashi 90% na ruwan Duniyar an kulle shi a cikin manyan Ice Sheets na Greenland da Antarctica. Takardu da yawa sun tattauna yiwuwar tasirin Ice Sheets na narkewa a cikin yanayi mai zafi, amma don fahimtar waɗannan hanyoyin da kyau, muna buƙatar sakamakon bincike mai mahimmanci na IPY.

Ƙungiyoyin masana kimiyya na ƙasa da ƙasa daga Norway, Japan, Sweden, Amurka da China a halin yanzu suna gudanar da ayyukan haɗin gwiwar ƙetaren Antarctic, tafiye-tafiye, da bincike, ƙanƙara don ƙarin koyo game da fa'idodi na zahiri da sinadarai na Gabashin Antarctic Ice Sheet. Har ila yau, suna fuskantar ƙalubale na zahiri na gudanar da bincike mai zurfi a cikin mafi sanyi, iska, da bushewa. Irin wannan binciken ya faru a Greenland a lokacin rani na arewa, wanda ya haɗa da masana kimiyya daga sauran ƙasashe. Wannan bayanin za a goyan bayan kuma idan aka kwatanta shi da bayanan tauraron dan adam, ƙirar kankara, bayanai daga wuraren hakowa a tsaye, da kuma nazarin nesa na tsarin ruwa na dusar ƙanƙara. Waɗannan su ne ɓangarorin jigsaw waɗanda za su taimaka mana mu fahimci sarƙaƙƙiya na Ice Sheets, yadda suke girma da ragewa, da kuma abin da zai iya haifar da matakin teku a cikin yanayi mai zafi.

Fiye da ayyukan IPY na duniya 20 a halin yanzu suna nazarin wani bangare na Ice Sheets, ko Ice Sheets yana shafar su. Ranar Polar ta Duniya da ke mai da hankali kan Sheets kankara tana wakiltar dama don ƙarin koyo game da waɗannan ayyukan da yin magana da masana kai tsaye game da bincikensu. Hakanan za'a sami nau'ikan ayyukan ilimi da na al'umma da suka haɗa da gwaje-gwajen ajujuwa, ƙaddamar da balloon kama-da-wane, da taron tattaunawa ta yanar gizo kai tsaye tare da masana kimiyya akan ratsawa a Antarctica.

Game da IPY da Ranakun Polar Duniya

Shekarar Polar Duniya ta 2007-8 babban ƙoƙari ne na haɗin gwiwar bincike na kasa da kasa da kuma tsaka-tsaki da aka mayar da hankali kan yankunan polar. An kiyasta mahalarta 50,000 daga kasashe fiye da 60 suna da hannu a cikin bincike daban-daban kamar ilimin halin ɗan adam da ilmin taurari, kiwon lafiya da tarihi, da ilimin genomics da glaciology. An ƙaddamar da wannan IPY ta huɗu a cikin Maris 2007, kuma za ta ci gaba har zuwa farkon 2009. A wannan lokacin, jerin kwanakin Polar na Duniya na yau da kullun za su wayar da kan jama'a da ba da bayanai game da takamaiman abubuwan da suka dace na yankunan polar. Kwanakin Polar za su haɗa da fitar da manema labarai, tuntuɓar masana a cikin yaruka da yawa, ayyuka don malamai, shiga kan layi na al'umma, taron taron yanar gizo, da haɗin kai ga masu bincike a cikin Arctic da Antarctic. Cikakken jadawalin don
An jera Ranakun Polar International a ƙasa.

Satumba 21st 2007: Teku Ice

Ice Ice, rayuwar ruwa, canjin yanayi

Disamba 13th 2007: Ice Sheets

kankara sheets, traverses, balaguro, kasada

Maris 13th 2008: Canjin Duniya, Da & Yanzu

kankara, yanayi, tekuna, paleoclimate, tarihin duniya

Yuni 18th 2008: Filaye, Tsirrai, da Dabbobi/ Ƙasa da Rayuwa

permafrost, terrestrial biodiversity, hydrology, dusar ƙanƙara

Satumba 17, 2008: Mutane

ilimin zamantakewa

Disamba 2008: Sama da Sanduna

astronomy, meteorology, kimiyyar yanayi

Maris 2009: Tekuna da Rayuwar Ruwa

marine biodiversity, jiki oceanography

Game da Ice Sheets

Gilashin ƙanƙara, manyan, kauri da Ê» dindindin ¼ daskararrun ɗimbin jama'a waɗanda suka mamaye yawancin Antarctica da Greenland, suna wakiltar wani keɓantaccen fasalin duniyarmu. Gilashin kankara na Antarctic da Greenland sun ƙunshi kusan dukkan ƙanƙara na duniya da mafi yawan ruwan ruwa na duniya. Gilashin kankara suna tara sabbin dusar ƙanƙara a saman. A hankali suna kwarara zuwa gaɓar teku, galibi a cikin manyan ƙoramar kankara, kuma suna iya faɗaɗa tekunan da ke kusa da su kamar rumbun kankara. A lokacin sanyi (zamanin kankara), yawan jama'a da yanki na kankara suna girma, kuma yanayin tekun duniya yana raguwa. A lokacin yanayi mai dumi, yawan jama'a da yanki na kankara suna raguwa kuma matakin teku ya tashi. Tambayoyin gaggawa na yadda saurin kankara ke iya canzawa suna buƙatar kayan aiki da samfura na ci gaba, amma har ma auna kan kankara masu alaƙa da na shekaru 50 da suka gabata.