Karin girgizar ƙasa

Piora Oscillations lokuta ne biyu na sanyi a cikin tarihin yanayi na Alpine na Holocene Epoch . Rashin zamanta ya bambanta tsakanin marubutan kuma babu wata hanyar zamani a halin yanzu. Matsayin sararin samaniya na canjin ba a bayyane yake ba; Bugu da ƙari, ba ya bayyana a matsayin babban, ko ma mai ganewa, taron a cikin sake fasalin zafin jiki.

 Binciken farko 
An sanya sunan abin da ya faru ne bayan Val Piora ko Piora Valley a Switzerland, inda aka fara gano shi; wasu daga cikin shaidu masu ban mamaki na Piora Oscillation sun fito ne daga yankin Alps.

 Dubi kuma 

 Abubuwan da suka faru
 Taron shekara ta 4.2
 Bølling-Allerød dumama
 Lokacin zafi na Afirka
 Tsohon Peron

 Bayani 

 Manazarta