Past Events

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  • 2018 May 30

    Special ClimaTea

    12:30pm

    Location: 

    Seminar Room MCZ, 429

    Speaker: Judith Berner from NCAR

    Title: "Improved ENSO predictability in coupled climate simulations with stochastic parameterizations”

    Abstract: This study investigates the mechanisms by which short-timescale perturbations to atmospheric processes can affect El Niño-Southern Oscillation (ENSO) in climate models. To this end a control simulation of NCAR’s Community Climate System Model is compared to a simulation in which the model's atmospheric...

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  • 2018 Apr 17

    ClimaTea Journal Club

    3:00pm

    Location: 

    Seminar Room MCZ, 429

    Speaker: Wanying Kang

    Wanying will discuss this paper about the polar amplification. During the discussion, Wanying will lead us through the following key points:

    1. Warmer climates usually are associated with a...

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  • 2018 Apr 16

    Special Climatea

    4:00pm

    Location: 

    Seminar Room MCZ, 429

    Speaker: Dr. Karen McKinnon 

    Title: “Internal variability, uncertainty, and the Observational Large Ensemble.”

    Abstract: Our observationally-based inferences about the forcedf behaviors of the climate system, whether in response to anthropogenic influence or to a mode such as the El Nino-Southern Oscillation (ENSO), will always be confounded by the presence of internal atmospheric variability. Internal atmospheric variability is sufficiently large that...

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  • 2018 Apr 10

    ClimaTea Lecture

    3:00pm

    Location: 

    Seminar Room MCZ, 440

    Speaker: Professor Claudia Pasquero from University of Milan - Bicocca

    Title: "Air-sea fluxes and intense weather events"

    Abstract: Intense weather events are an interesting challenge both for short- and long-term predictions. Understanding the effects that the upper ocean state, with its relatively long memory, has on those events can shed light on the relevant mechanisms that contribute to their formation. Here, a focus is given to the effects that the modulation of air-sea fluxes by SST...

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  • 2018 Apr 04

    Special ClimaTea

    12:00pm

    Speaker:  Professor Laure Zanna from Oxford University

    Title: "Ocean Heat Uptake and Dynamic Sea Level Rise: Past and Future Uncertainty".

    Abstract: The ocean absorbs a significant portion of the anthropogenic heat released in the climate system, leading to an increase in global mean sea level rise. Observed and projected regional patterns of heat uptake in mid- and high-latitudes are controlled in part by changes in ocean circulation....

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  • 2018 Apr 03

    ClimaTea Journal Club

    3:00pm

    Location: 

    Seminar Room MCZ, 429

    Speaker: Xiaoting Yang

    Xiaoting discuss "Southern Ocean carbon-wind stress feedback". During the disucssion, Xiaoting will lead us through the following key points:

    (1) The intensification of westerlies over the Southern Ocean which is the largest carbon sink in the climate system can reduce or even reverse the carbon sink.

    (2) A simple equilibrium mixed layer carbon budget demonstrates that the partial pressure of CO2 in the...

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