Little Ice Age…Big Chill Jessica Jefferson History 141 - 31136
Little Ice Age…Big ChillThe little ice age was a period in history that occurred between 1550-1850AD when the worlds temperature was cooler than average. Three times within this period have been indentified as particularly cold. They are the years surrounding 1650, 1770, and 1850.
Little Ice Age…Big ChillSeveral causes have been explored to explain why this happened:• Orbital Cycles• Solar Activity• Volcanic Activity• Ocean Conveyor Slowdown• Decreased Human Populations• Inherent Variability of Climate
Little Ice Age…Big Chill Evidence for this period is found all over the world. NorthAtlantic and Southern African sediments, tree ring data fromPatagonia, New Zealand glacier advances, Antarctic ice cores,and historical sailing accounts from explorer Hans Steffen are only a few.
Little Ice Age…Big ChillThe effects of the little ice age on human populations were drastic.• Iceland lost half its population.• Norse colonies in Greenland vanished.• One fifth to one third of Estonia and Finland’s people were lost. In North America rivers froze and impeded George Washingtons Continental Army in 1777-1778 and hundreds died of hypothermia. The Little Ice Age effected the entire world population and changed the course of world history.
Sources• The History Channel Presents: “Little Ice Age: Big Chill”• Wikipedia: The Free Encyclopedia “Little Ice Age”