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<p>Our next speaker in the<span> </span><span data-markjs="true" class="markysf22eeiy" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px">EOAS</span><span> </span><span data-markjs="true" class="markmhgzrwsdl" data-ogac="" data-ogab="" data-ogsc="" data-ogsb="" style="margin: 0px">Colloquium</span><span>
TODAY</span> at 3:30 pm will be<br>
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<p><font size="+2">Dr. Shineng Hu </font>of the Columbia
University / Duke University</p>
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<p class="x_MsoNormal" style="margin: 0in; font-size: 12pt;
font-family: Times"><font size="+2">Global climate impacts of
Indian Ocean warming</font></p>
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The tropical Indian Ocean (TIO) has warmed by 1°C since the
1950s, at a faster rate than the other tropical oceans. In this
talk, I will discuss how this warming can affect the Atlantic
Ocean via atmospheric and oceanic teleconnections. Specifically,
by reorganizing the atmospheric Walker circulation in the
equatorial band, this warming can reduce precipitation in the
tropical Atlantic, resulting in pronounced surface salinity
anomalies. On multidecadal timescales, these anomalies are
advected to northern high latitudes and strengthen the Atlantic
meridional overturning circulation (AMOC). The resultant AMOC
changes lead to a stronger hemispheric
<div>asymmetry and a northward shifted intertropical convergence
zone (ITCZ). On shorter timescales, Indian Ocean warming
generates a train of atmospheric planetary waves, which reach
the subpolar North Atlantic, strengthen surface westerly winds
there, and cool the underlying ocean within a few months to
years. This mechanism could potentially explain the suppressed
warming in the subpolar North Atlantic (known as the "warming
hole") seen in the observational record. Further, I will
discuss the implications for past and future climate changes
and ocean interbasin teleconnections.</div>
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<p class="x_MsoNormal" style="margin: 0in; font-size: 12pt;
font-family: Times">Via Zoom:</p>
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<p class="x_MsoNormal" style="margin: 0in; font-size: 12pt;
font-family: Times"><font size="+2"><a href="https://fsu.zoom.us/j/92556866443?pwd=bTFlc1Rnc0QrUG84UFlvN1MxdzdlUT09" id="LPlnk" moz-do-not-send="true">https://fsu.zoom.us/j/92556866443?pwd=bTFlc1Rnc0QrUG84UFlvN1MxdzdlUT09</a></font></p>
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<p class="x_MsoNormal" style="margin: 0in; font-size: 12pt;
font-family: Times"><span style="font-family: Times;
background-color: rgb(255, 255, 255); display: inline
!important">The informal virtual chat will start at 3:00 PM
through the same zoom link. </span>Please contact Dr Zhaohua
Wu if you would like to meet privately with the speaker in
that day.
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<p class="x_MsoNormal" style="margin: 0in; font-size: 12pt;
font-family: Times">The more detailed zoom meeting information
is appended</p>
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<p class="x_MsoNormal" style="margin: 0in; font-size: 12pt;
font-family: Times">==========================</p>
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Zhaohua Wu is inviting you to a scheduled Zoom meeting.
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<div>Topic: EOAS Colloquium, Oct. 9</div>
<div>Time: Oct 9, 2020 03:00 PM Eastern Time (US and Canada)</div>
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<div>Join Zoom Meeting</div>
<div><a class="moz-txt-link-freetext" href="https://fsu.zoom.us/j/92556866443?pwd=bTFlc1Rnc0QrUG84UFlvN1MxdzdlUT09">https://fsu.zoom.us/j/92556866443?pwd=bTFlc1Rnc0QrUG84UFlvN1MxdzdlUT09</a></div>
<div><br>
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<div><b>Meeting ID: 925 5686 6443</b></div>
<div><b>Passcode: 451688</b></div>
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<div>+13017158592,,92556866443# US (Germantown)</div>
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<div>Meeting ID: 925 5686 6443</div>
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