Xerothermic Period

xerothermic period

[¦zir·ə¦thər·mik ′pir·ē·əd]
(geology)
A postglacial interval of a warmer, drier climate. Also known as xerothermal period.

Xerothermic Period

 

a phase of the postglacial geological history of Europe with a warm and dry climate, chronologically corresponding to the end of the Atlantic and the beginning of the Subboreal period (4,000-5,000 years ago).

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Nolin also documents the impact of glaciers over Ohio and the changes that followed, especially the Xerothermic Period when the "Prairie Peninsula" expanded into west-central Ohio.
The landscape then experienced an extended warm and dry spell known as the Hypsithermal Interval, or Xerothermic Period. The drought allowed the western tallgrass prairie to expand eastward as the Prairie Peninsula.