Around the last ice age melt there was several sea level rises. when the last ice age was melting there was a landlocked melt in North America that was so large that when it burst to release into the ocean at a fenominal rate, that it triggered another ice age.
https://www.ualberta.ca/en/folio/20...ugh-to-set-off-an-ice-age-study-suggests.html
NASA,
https://www.giss.nasa.gov/research/briefs/archive/2007_gornitz_09/
An explanation on why the sudden burst of water threw earth back into another ice age, (what is normally considdered an ice age/warming cycle), when it was nearing the end of an ice age, throwing out the cycle. There is no cycle except to say cooling and warming periods are not certain events to b relied upon.
https://www.livescience.com/873-bursting-ice-dam-flooded-ancient-ocean.html
Europe's 1300 - 1850 mini ice age is thought to b caused by the ocean current problems we are experiencing today.
https://www.independent.co.uk/climate-change/news/little-ice-age-ocean-currents-b1995618.html
It it thought to b quite possible the rate of artic/Greenland ice meting could stop the Atlantic current that could throw the northern hemosphere into an ice age