Atmospheric sciences colloquia

Atmospheric sciences colloquia

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Seminar coordinator: Prof. Jeff Trapp (jtrapp at


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Investigating the impacts of cold air outbreaks over the Gulf Stream on the meriodional overturning circulation and Arctic Ocean inflow using POP2

SpeakerSara Strey, Graduate Student, Department of Atmospheric Sciences, University of Illinois
Date Apr 2, 2014
Time 3:00 pm  
Location Room 114 of the Transportation Building
Sponsor Department of Atmospheric Sciences
Contact Shirley Palmisano
Phone 217-244-5737
Event type Seminar/Symposium
Views 121

Simulated changes in ocean currents in the North Atlantic as a result of cold air outbreak (CAO) activity over the Gulf Stream using the Community Earth System Model (CESM) version 1.2.0 versions of the Popular Ocean Program (POP2) and the Los Alamos CICE models are investigated. During CAOs large ocean-to-atmosphere heat and moisture fluxes occur, thus altering the temperature and salinity of the surface currents. This two part study further explores the impacts of CAO’s over the Gulf Stream and compares those with the impacts of warm air. The first part investigates the effects of three extreme cold years compared with three extreme warm years, while the second investigates repeated cold year forcing versus repeated warm year forcing.

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