2017 AGU Fall Meeting: Session on Astronomical Forcing

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2017 AGU Fall Meeting: Session on Astronomical Forcing

Rajarshi Roychowdhury
Dear colleagues,

Please see the following session announcement for the AGU Fall Meeting
(Dec 11-15, 2017) in New Orleans, Louisiana. The session focuses on
astronomical forcing of climate and aims to bring together recent studies
of global and regional climate responses to astronomical forcing at
different time periods. Please note that the abstract deadline is
Wednesday, August 2 at 11:59 PM EST.

Session ID#: 24020

Session Description:

While there is evidence that specific orbital frequencies pace climate
change cycles within the geologic record, the mechanisms and feedbacks
involved are still unclear for most of the Cenozoic. Identifying these
frequencies in geological records is integral towards (1) providing robust
chronologies for comparison of high-resolution, globally distributed
geological records and (2) assessing processes and feedbacks related to
glacial-interglacial cycles. The astronomic theory of climate change,
first proposed by Milankovitch and elaborated upon several times since
then, connects variations in the EarthÂ’s orbit to glacial-interglacial
cycles, albeit this theory fails to explain certain features of the
geologic past. As we continue to develop high-resolution globally
distributed records more questions emerge concerning the pacing of various
features of the climate system. This session aims to bring together
proxy-based, theoretical and/or modeling studies focused on global and
regional climate responses to astronomical forcing at different time
scales in the late Phanerozoic.

Primary Convener:
Rocio P Caballero-Gill, Brown University, Providence, RI, United States

Molly O'Rourke Patterson, Binghamton University, Binghamton, NY, United
Edward Gasson, University of Sheffield, Department of Geography,
Sheffield, United Kingdom
Rajarshi Roychowdhury, University of Massachusetts Amherst, Amherst, MA,
United States

Please consider passing on this email to colleagues who might be
interested. Thank you in advance.

On behalf of all session conveners,
Rajarshi Roychowdhury
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