Labels:door | earth | monitor | quadrangular prism | road | sky | stairs | surfboard | windowpane OCR: Summer Stratification Winter Stratification Direct warmest water inverse warmest water abow below 32 F 70 Thermal Stratification of a Lake A Epilimnion Warmwater layer following air temperatures freely circulating. B.Thermo line Zone of rapid temperature change Hyolimnion Coldwater zone sometimes poorly oxygenated above cover