Hoton yana da kyau, daidai? Kodayake yana iya zama haka, ba a sake haɗa shi da PhotoShop ko kowane shirin gyaran hoto ba, amma asalinsa ne. Dusar ƙanƙara ba koyaushe take fari ba, tana iya zama ja, kodayake ga Ba'amurke tana samun launi irin na kankana, shi ya sa ake kiranta kankana kankara.
Amma, Me ke kawo shi wannan launi?
A bayyane yake akwai ƙaramin algae mai ƙaramin microscopic wanda sunansa na kimiyya yake Chlamydomonas nivalis que da launin launin ja a cikin ambulaf din su na gelatinous wanda ke basu kariya daga radadin ultraviolet daga yankuna na polar. Tare da shigowar bazara suna faɗaɗawa cikin sauri, suna ba farin wuri mai faɗi kyakkyawan ruwan hoda ko ja.
Don ganin dusar kankana zaka iya zuwa kowane yanki na iyakacin duniya, amma ana bada shawara musamman zuwa ga Sierra Nevada na California (Amurka) Kowace shekara kofofinta suna da launi a cikin wannan launi wanda ke jan hankali sosai.
Kankana kankana da dumamar yanayi
Kodayake ya bar shimfidar wurare masu ban sha'awa, gaskiyar abin bakin ciki ita ce yayin da duniya ke dumama, algae yana kara hayayyafa cikin sauki. A yin haka, suna hana farin dusar ƙanƙara daga hasken rana, hanzarta a 13% tsarin narkewar kankara, kamar yadda aka bayyana a cikin wani binciken da wasu gungun masana kimiyya suka gudanar daga Cibiyar Nazarin Jamusanci ta Geosciences, a Potsdam, da Jami'ar Leeds (United Kingdom), kuma aka buga a mujallar kimiyya Nature.
Don haka, wannan abin mamakin ya zama wata alama ce ta ɗumamar duniya, ta yadda zai zama wajibi a yi la’akari da shi don fahimtar canje-canjen da ke faruwa a duniya a cikin dukkanin rikitarwa.
Kuna iya karanta cikakken nazarin a nan (cikin Turanci).