The Record of Younger Dryas Event in Lake Sediments From Jalai Nur, Inner Mongolia

Younger Dryas has been highlighted by paleoclimatologists in recent years becauseof the abrupt change of temperature and CO_2 concentration within a short timeof several centuries or even less. At present, there exist virtually two viewpointsabout the event: one is that Younger Dryas only affects Circum-North Atlanticregion. The influx of the floating iceberg and the melt water from Arctic area to theNorth Atlantic Ocean due to the global warming in the Late Glacial suppressed the