Tuesday, August 20, 2013
Friday, January 04, 2013
Guide to terminology used in paleoclimate studies of the last 150,000 years
“Event”,
Stages
|
Estimated
age (Calendar years)
|
Holocene
|
~10 Kyr to
Present
|
Holocene
maximum warming (also referred to as “climatic optimum”)
|
~4.5 to 6
Kyr (
|
Last
deglaciation
|
~18 to 10
Kyr
|
Termination
I
|
~14 Kyr
|
Younger
drayas
|
~12.7 to
11.5 Kyr
|
Antarctic
cold reversal
|
14 to 13
Kyr
|
Bolling-Allerod
warm period
|
14.5 to 13
Kyr
|
Last
Glacial
|
~74 to 14
Kyr
|
LGM (Last
Glacial Maximum)
|
~25 to 18
Kyr
|
Last interglacial
peak
|
~124 Kyr
|
Termination
II
|
~130 Kyr
|
Eemian/MIS
Stage 5e
|
~128 to
118 Kyr
|
Heinrich
events
|
Peaks of
ice-rafted detritus in marine sediments, ~7 to 10 Kyr time scale.
|
Dansgaard-Oeschger
events
|
Warm-cold
oscillations determined from ice cores with duration ~2 to 3 Kyr
|
Bond
Cycles
|
A
quasi-cycle during the last Ice age whose period is equal to the time between
successive Heinrich events.
|
Terminations
|
Periods of
rapid deglaciations
|
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