Abstract: his study investigates Arctic climate variability during a period of extreme warmth using the Community Climate System Model, version 3 (CCSM3) coupled ocean?atmosphere general circulation model. Four mid-Cretaceous ...

Abstract: limatic deterioration in northeastern Canada following the last interglacial resulted in the formation and abrupt expansion of the Laurentide Ice Sheet. However, the physical mechanisms leading to rapid ice sheet expansion ...

Abstract: he enigmatic Neoproterozoic geological record suggests the potential for a fully glaciated ?snowball Earth.? Low-latitude continental position has been invoked as a potential snowball Earth trigger by increasing surface ...

Abstract: AbstractContinued anthropogenic CO2 emissions are expected to drive widespread changes in precipitation characteristics. Nonetheless, projections of precipitation change vary considerably at the regional scale between ...