10-02-22, 11:58 AM
From HERE
Glacial maximum 20,000 years ago had near permanent El Nino conditions, the Holocene Thermal Optimum had near permanent La Nina conditions. Are changes in insolation at high latitudes solely responsible for such dramatic changes in atmospheric and oceanic teleconnections?
There are seven regular intervals between interglacials of the last 800kyrs, at 84,600 years, with additional shorter intervals at 31,000 years. There is a mirror image symmetry around 11c, as far as 17c to 5e, but since 5e the sequence has altered with the much longer most recent glacial period.
The red lines are at 369.4kyrs, or 9 obliquity cycles.
Click to enlarge
Glacial maximum 20,000 years ago had near permanent El Nino conditions, the Holocene Thermal Optimum had near permanent La Nina conditions. Are changes in insolation at high latitudes solely responsible for such dramatic changes in atmospheric and oceanic teleconnections?
There are seven regular intervals between interglacials of the last 800kyrs, at 84,600 years, with additional shorter intervals at 31,000 years. There is a mirror image symmetry around 11c, as far as 17c to 5e, but since 5e the sequence has altered with the much longer most recent glacial period.
The red lines are at 369.4kyrs, or 9 obliquity cycles.
Click to enlarge
“A theory that is not refutable by any conceivable event is non-scientific.” – Karl Popper
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