A lokacin bazara fitowar glacial wani abu ne na al'ada. Yanayin dumi yana sa kankara ta narke da sauri. Amma a lokacin hunturu tekun da ke kan sanduna ya sake daskarewa, ko kuma aƙalla abin da ya yi ke nan har sai ɗan adam ya sami irin wannan tasirin sosai ga mahalli.
Wani rukuni na masana kimiyyar Sifen sun tabbatar da cewa fitowar ruwan kankara daga sandunan biyu ya fadada a waje lokacin bazara. Shekaru goma da suka gabata, an rubuta matsakaicin ƙa'idodin fitarwa a cikin watannin Yuli da Agusta. Yanzu yana gudana daga Yuni zuwa Oktoba.
Matakan ƙarshe na waɗannan ƙwararrun masu aikin tare da aikin Glakma (GLAciares, CrioKarts da Muhalli) kamar suna nuna hakan yanayin zai iya ci gaba da faɗaɗa har ma da ƙari: a watan Mayun da ya gabata dabi'un da aka yi wa rijista sun fi dacewa da farkon bazara. Ana gudanar da wadannan bayanan kan fitowar ruwan kankara a Arewacin Hemisphere akan kankara a cikin Arctic ta Sweden, Vatnajökull kankara (Iceland), kankara a Svalbard (Norway) da kuma arewacin Urals (Russia).
A gefe guda, a cikin Kudancin Yankin duniya, ana yin ma'aunai a cikin kankara uku da ke cikin Antarctica, da Argentine Patagonia da Chile Patagonia. Don haka, zasu iya samun hanyar sadarwar kankara a cikin sassan biyu, wanda yana ba da damar yin kwatankwacin kulawar fitowar gilasai gwargwadon canjin yanayin. Yanayin da ke kara dumi da dumi a wurare da yawa na duniya, don haka saboda narkar da matakin teku ya tashi.
Tuni an auna hauhawar tekun. Dumamar yanayi na faruwa. Kamar yadda GLACKMA ya ruwaito, don auna juyin halittar tashi daga yanayin zafi, ana iya amfani da kowane ɗayan tsaka-tsakin yanayi, wanda shine yanayin zafin yanayi da fitowar ruwan glacial. Latterarshen ƙarshen mai karko ne mai canzawa, saboda haka ana samun mafi ƙarancin ƙima da ƙimar ƙima.