The key thing
about alternating cycles is knowing when to stop and how to transition from one diet to another.
Not exact matches
For at least the last million years there has been a
cycle of
about ninety thousand years of cold (very cold indeed)
alternating with
about ten thousand warm years.
He said Greenland Sea temperatures could serve as a leading indicator of cooling and warming
cycles in North Atlantic waters, which are believed to
alternate on
about 70 - year
cycles.
For example, each phase of the PDO persists for
about 20 - 30 years, but
cycles of El Niño and La Niña
alternate every two to seven years.