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Declining ice cover and increasingly severe storms would harm both types of fish habitat through erosion and flooding. Warming could also harm ecosystems by changing the timing of natural processes such as migration, reproduction, and flower blooming". [6] "Migratory birds are arriving in the Midwest earlier in spring today than 40 years ago.
The melting ice formed the Great Lakes, the Upper Peninsula and Lower Peninsula (in the Michigan Basin). 12800 BC Mastodons and other ice age mammals started to appear in the fossil record. 11000 BC to 9000 BC Archeological evidence of Paleo-Indians appeared, in the form of sharpened stone tool points known as fluted biface .
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In western Switzerland, the summers of 1816 and 1817 were so cold that an ice dam formed below a tongue of the Giétro Glacier in the Val de Bagnes, creating a lake. Despite engineer Ignaz Venetz's efforts to drain the growing lake, the ice dam collapsed catastrophically in June 1818, killing forty people in the resulting flood. [28]
A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures and glacier advances. Interglacials, on the other hand, are periods of warmer climate between glacial periods. The Last Glacial Period ended about 15,000 years ago. [1]
Following the initial cold blast in early January, multiple periods of extended cold, some with record-low temperatures, continued throughout much of the remaining winter into early to late March. The NOAA's National Climatic Data Center found that since modern records began in 1895, the period from December 2013 through February 2014 was the ...
A cold wave (known in some regions as a cold snap, cold spell or Arctic Snap) is a weather phenomenon that is distinguished by a cooling of the air. Specifically, as used by the U.S. National Weather Service , a cold wave is a rapid fall in temperature within a 24-hour period requiring substantially increased protection to agriculture, industry ...
The 1985 North America cold wave [1] was a meteorological event which occurred in January 1985 as a result of the shifting of the polar vortex farther south than is normally seen. [1] Blocked from its normal movement, polar air from the north pushed into nearly every section of the central and eastern half of the United States and Canada ...