[pccgrads] GSS Tuesday at 5pm in OSB 425: Ana Ordóñez and GCC 2016 planning
palevsky at u.washington.edu
Sun Nov 15 23:02:46 PST 2015
Hello PCC grads!
The next installment of the fall quarter Graduate Student Seminar will be *this
Tuesday, November 17 at 5pm in OSB 425*! *Ana Ordóñez* from Atmospheric
Sciences will be presenting on "High resolution sea ice modeling and
ice/atmosphere/ocean interactions in CESM." Check out the full description
Following Ana's talk, there will be a discussion to kick off planning of
the 2016 Graduate Climate Conference to be hosted by UW. If you might be
interested in joining the organizing committee (which is super fun!) or
just want to learn more, you should plan to come.
Also make sure to mark your calendar for our final fabulous GSS speaker
Dec. 1, 5pm OSB 425 Judy Twedt
Hope to see many of you there!
Hilary, Brad and Greg
*This week's talk:*
Ana Ordóñez (Atmospheric Sciences) "High resolution sea ice modeling and
ice/atmosphere/ocean interactions in CESM"
Increasing the horizontal resolution of the sea ice and ocean components in
a global climate model has been shown to affect the extent of sea ice and
the strength of atmosphere/ocean fluxes. This project takes a closer look
at the impact of sea ice resolution on ocean/atmosphere interactions in the
Southern Hemisphere using the Community Earth System Model (CESM1-CAM5) in
a slab ocean configuration. In this set-up, sea ice and mixed layer ocean
models on a 0.1° grid (high resolution) or 1° grid (standard resolution)
are coupled with atmosphere and land models run at the same 0.5°
resolution. The high resolution model can produce fine scale, open water
areas within the ice pack that were expected to facilitate air/sea flux
exchanges and reduce the stability of the lower atmosphere in the model.
However, correlations between sea ice concentration and boundary layer
variables suggest that differences between the mean sea ice extents in
these two runs were responsible for most of the differences in boundary
layer conditions. There runs are then used along with the CESM Large
Ensemble to investigate the impacts of resolution and coupling on the
predictability of sea ice in the northern and southern hemispheres.
*What is the GSS, you ask?*
The PCC Graduate Student Seminar (GSS) is organized by graduate students
for graduate students. The series provides an extremely laid back
environment where grad students give 25-35 min presentations on their
research followed by a 20 minutes of questions/discussion on the topic.
It's a great opportunity to see what is going on in climate research with
your fellow students down the hall or across campus. Plus, it you are
interested in presenting, it's a great chance to show off some of your own
research and receive feedback on your work. Presentations should be geared
toward a general scientific audience (of graduate students) with ample
background information so everyone can follow. As always, *be*v*er*ages
will be provided for a minimal donation.
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PhD Candidate, Chemical Oceanography
University of Washington
School of Oceanography
Email: palevsky at u.washington.edu
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