CRTF Telecon - 06-24-2015

Created by william.chong on - Updated on 07/18/2016 10:13

NOAA Climate Reanalysis Task Force

24 June 2015, 2-3:00 pm EDT

Recording: https://mapp.adobeconnect.com/p925s707dmt/

Rapporteur: Jim Carton, U of Maryland

Theme: Polar Changes

2:00-2:05 Introduction and Welcome, Gil Compo, CU/CIRES & NOAA/ESRL

                Guests: Julien Emile-Geay, U. of Southern California; Jennifer Arrigo, NOAA CPO/Climate Monitoring; Richard Cullather, NASA/GMAO & U of Maryland/ESSIC

                Update on reanalyses.org status: transferred to CU/CIRES, seems much faster, Gil Compo, CU/CIRES & NOAA/ESRL

 

2:05-2:30 Air-sea fluxes in the marginal sea-ice zone: Atmospheric reanalyses versus ship observations, Lisan Yu, WHOI.

Theme: All

2:30-2:55 Last Millennium Climate Reanalysis, Greg Hakim, U. of Washington

2:55-3:00 Discussion of summer plans

 

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gilbert.p.comp…

Wed, 06/24/2015 - 14:45

Dear Greg, Thank you again for the great presentation. Really exciting results. We might want to discuss how you are using CE to compare the 20CR to NASA GISTEMP in some detail. As one note, some versions of GISTEMP and 20CR version 2 use HadISST1.1 over the oceans through 1982 (or 1983 - not sure when GISTEMP switches). So, they should agree almost perfectly for that period. You may want to also compare with the new 20CR version "2c" , which has an 18 member ensemble of pentad Simple Ocean Data Assimilation with sparse observation input (SODAsi.2, Giese et al. 2015, in review) as the specified SSTs. Over land, at least for trends 1901-2010, you can see in Compo et al., GRL, 2013, dx.doi.org/10.1002/grl.50425 Supporting Information Compoetal_GRL_AuxiliaryMaterial_final.pdf Table S2, the 20CR (version 2) compares the worst with GISTEMP at either smoothing. best wishes, gil

Hi Gil,
One of my students is working on assessing reanalyzed clouds and radiation budgets using NASA satellite results, and we should get some results in next a couple of months. However, I will most likely on travel during Late June for IUGG meeting. So is it possible for us to present our results during May (i.e. switch Arctic topic into May?)

Thanks,
Xiquan

lyu@whoi.edu

Wed, 01/28/2015 - 14:16

I would like to give a 20-min talk on "Air-sea fluxes in the marginal sea-ice zone: Atmosphere reanalyses versus the ship observations"

Lisan

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