The timing of interglacials

Watts Up With That?

By Andy May

P. C. Tzedakis and co-authors have just published a new paper in the February 23, 2017 issue of Nature entitled “A simple rule to determine which insolation cycles lead to interglacials.” The paper introduces new rules for defining interglacial periods in the geological record. They come up with the same interglacial periods that Javier identified in his post Nature Unbound I: The Glacial Cycle.

The Earth has been in an ice age for the last 2.6 million years, Javier defined an ice age as:

“… any period when there are extensive ice sheets over vast land regions, as we see now.”

Tzedakis, et al. note that

“The fundamental property that underlies the concept of an interglacial is high sea-level.”

The higher sea-level is a result of melting a significant amount of land-ice during the interglacial. We are currently in the “

View original post 1,244 more words

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s