The research, led by Chronis Tzedakis of University College, London, examined similarities between
the current warm interval between ice ages and a particular point, around 780,000 years ago, during a past warm period known as Marine Isotope Stage 19.
Not exact matches
Manta Point and Crystal Bay can be more challenging due to the
currents and cold water, and Nusa Lembongan is the relaxing,
warmer, shallower dive usually done after a long lunch break and surface
interval.
Research indicates that the Arctic had substantially less sea ice during this period compared to present
Current desert regions of Central Asia were extensively forested due to higher rainfall, and the
warm temperate forest belts in China and Japan were extended northwards West African sediments additionally record the «African Humid Period», an
interval between 16,000 and 6,000 years ago when Africa was much wetter due to a strengthening of the African monsoon While there do not appear to have been significant temperature changes at most low latitude sites, other climate changes have been reported.
These salinity shifts correspond well in timing to the OHC shifts, which are also coincident with surface transitions from global -
warming slowdown to rapid
warming and then to the
current slowdown, with
intervals between shifts lasting about three decades.
Current observations are consistent with paleodata from
warm intervals in Earth's ancient past.
The
current warming trend 1998 - 2005, has no precedent in recent Arctic memory, there were a few unique occasions when open water was seen during mid-winter over Barrow Strait, but this was at roughly 10 year
intervals, now the
intervals are totally irregular, but between Islands ice cover is not the best indication of
warming, monthly temperature readings for the past 4 years or so, have been mostly above normal by 1 to the occasional 4 to 5 degrees.
In 2013, he returned to Oxford where much of his
current research aims to document and understand past climate variability, particularly during exceptionally
warm intervals of Earth history, such as the Cretaceous.