[Grad-postdoc-assn] Fwd: ATOC Distinguished Lecture by Dr. Amy Clement on April 10

Fri Apr 7 15:41:06 MDT 2023

FYI

---------- Forwarded message ---------
From: Julia M. Moriarty <Julia.Moriarty at colorado.edu>
Date: Fri, Apr 7, 2023 at 3:01 PM
Subject: Re: ATOC Distinguished Lecture by Dr. Amy Clement on April 10
To: ATOC Faculty <atoc-faculty at lists.colorado.edu>, <
atoc-researchers at lists.colorado.edu>, <atoc-students at lists.colorado.edu>, <
atoc-majors at lists.colorado.edu>, <Atoc-minors at lists.colorado.edu>, <
atoc-colloquium at lists.colorado.edu>
Cc: Sara Sanchez <sara.sanchez at colorado.edu>, Chris Wyburn Powell <
chwy8767 at colorado.edu>

*Hi all, *

*A reminder that **Dr. Amy Clement's lecture, titled "Recent Atlantic
Multidecadal Variability is Mostly Forced", **will be on Monday, April 10
in SEEC S228, from 10:30 - 11:30 am, and on zoom (see link at end of the
forwarded email below).*

*The ATOC Fest and Distinguished Lecture Committee*

*(Julia, Sara, and Chris)*

On Sun, Apr 2, 2023 at 10:35 AM Julia M. Moriarty <
Julia.Moriarty at colorado.edu> wrote:

> We are excited to announce the Spring 2023 ATOC Distinguished Lecture.  *The
> lecture will be on Monday, April 10 in SEEC S228, from 10:30 - 11:30 am,
> and on zoom (see link at end of email).*
>
>
>
> *Dr. Amy Clement's will be titled "Recent Atlantic Multidecadal
> Variability is Mostly Forced".  *More information about Dr. Clement can
> be found at this link
> <https://people.miami.edu/profile/b395dd6dac6f22cb1fefde66b8cef6f2> .
>
>
>
> *Co-authors: Chengfei He, Mark Cane, Sydney Kramer, Jeremy Klavans, Lisa
> Murphy, and Tyler Fenske*
>
> * Abstract:*
>
> *How much of regional climate variability is due to anthropogenic
> forcing?  It is a question of both time and space scales. On interannual
> timescales and local spatial scales, most of the variability is presumably
> internal; on global, centennial timescales, it is mostly forced. Then we
> are left with this large grey area of regional, decadal-to-multidecadal
> variability, where the relative magnitude of the internal and forced
> components is not known. *
>
>
>
> *In this paper, we dive into the question of the relative contributions of
> internal ‘noise’ and externally forced ‘signal’ to the AMV. To do this we
> use a hierarchy of climate models including simple heuristic models,
> idealized dynamical models, comprehensive earth system models, and variants
> of earth system models with physical processes disabled. These models are
> put to the experimental test of simulating observations using large
> ensembles with historical and future forcing, which allows us to formally
> define the signal to noise ratio. We show that prior to 1950, the AMV is
> largely consistent with variability arising from coupling between the ocean
> and atmosphere internal to the climate system. However, after 1950, the
> AMV, its impacts, and the relationship between the two is largely forced. *
>
>
>
> *We will further discuss the implications of these results more broadly in
> the context of interpreting ‘signal’ and ‘noise’ in large-scale modes of
> variability in both climate models and observations. *
>
>
>
>
>
> Cheers,
>
> ATOC's Fest and Distinguished Lecture Committee
>
> (Julia Moriarty, Sara Sanchez, and Chris Wyburn Powell)
>
>
> ----------------------- Zoom Link
> -----------------------------------------------------
>
> Julia Moriarty is inviting you to a scheduled Zoom meeting.
>
> Topic: ATOC Distinguished Lecture
>
>
>
> *Join Zoom Meetinghttps://cuboulder.zoom.us/j/93526110409
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>
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>
> --
> Julia M. Moriarty
> Assistant Professor, University of Colorado Boulder
> Department of Atmospheric and Oceanic Sciences (ATOC) & Institute for
> Arctic and Alpine Research (INSTAAR)
>
> https://instaar.colorado.edu/research/labs-groups/coastal-oceanography-lab-group/
>
> Office: SEEC N155 | Phone: (+1) 303-492-4771  (please leave a voice mail)
> | @JuliaMMoriarty | she/her
> My work hours may not be your work hours. Please reply in your work hours.
>

-- 
Julia M. Moriarty
Assistant Professor, University of Colorado Boulder
Department of Atmospheric and Oceanic Sciences (ATOC) & Institute for
Arctic and Alpine Research (INSTAAR)
https://instaar.colorado.edu/research/labs-groups/coastal-oceanography-lab-group/

Office: SEEC N155 | Phone: (+1) 303-492-4771  (please leave a voice
mail) | @JuliaMMoriarty
| she/her
My work hours may not be your work hours. Please reply in your work hours.

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