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<p class="HTMLBody" align="center" style="margin-bottom:0in;margin-bottom:.0001pt;text-align:center;line-height:normal">
<b><u><span style="font-size:26.0pt;font-family:"Monotype Corsiva"">Meteorology Seminar<o:p></o:p></span></u></b></p>
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<b><span style="font-size:28.0pt;font-family:"Monotype Corsiva"">Fucheng Yang</span></b><span style="font-size:28.0pt;font-family:"Monotype Corsiva""><o:p></o:p></span></p>
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<span style="font-size:28.0pt;font-family:"Monotype Corsiva"">M.S. Meteorology Candidate<o:p></o:p></span></p>
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<span style="font-size:12.0pt"><o:p> </o:p></span></p>
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<b><u><span style="font-size:14.0pt">Title</span></u>: The Origins of Asymmetry in Mid-latitude Annual Cycle
</b><span style="font-size:14.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><u><span style="font-size:14.0pt">Major Professor</span></u></b><b><span style="font-size:14.0pt">: Dr. Zhaohua Wu</span></b><b><u><span style="font-size:14.0pt;font-family:"Times",serif"><o:p></o:p></span></u></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Tahoma",sans-serif;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><u><span style="font-size:14.0pt">Date</span></u></b><b><span style="font-size:14.0pt">: Tuesday, October 27th, 2020</span></b><span style="font-size:14.0pt">
<b><u>Time</u>: 3:30 PM</b></span><span style="font-size:14.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
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<b><o:p> </o:p></b></p>
<p class="MsoNormal"><b><u><span style="font-size:14.0pt">Location</span></u></b><b><span style="font-size:14.0pt">: Zoom Meeting (URL:
</span></b><b><span style="font-size:14.0pt;mso-fareast-language:ZH-CN"><a href="https://urldefense.com/v3/__https:/fsu.zoom.us/j/93626378066__;!!Epnw_ITfSMW4!_HZBFbNz_wBsxvARlc67f3kESEmHGJw5tNUv_PvZk5RRwJUPaicRC2avzVzm71bN_Q$"><span style="mso-fareast-language:EN-US">https://fsu.zoom.us/j/93626378066</span></a></span></b><b><span style="font-size:14.0pt">)<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:12.0pt"><o:p> </o:p></span></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><o:p> </o:p></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b>ABSTRACT<o:p></o:p></b></p>
<p class="MsoNormal" align="center" style="text-align:center"><b><o:p> </o:p></b></p>
<p class="p1" style="margin-bottom:8.0pt;text-indent:.5in"><span style="font-size:12.0pt;line-height:106%;font-family:"Times New Roman",serif">For almost all climate variables, the annual cycle of a climate variable is often the most dominant component of that
variable. Although such annual cycle is suggested to tie with the annual changes of the solar irradiance arriving at the top of atmosphere, the detailed physical mechanisms causing the annual cycle remain to be worked out. In this study, we make effort to
understand the physical mechanisms behind the observed temporally asymmetric annual cycle of surface air temperature (SAT) over various regions of the Earth.<span class="apple-converted-space">
</span>Since the dominant component of the Fourier decomposition of SAT that causes the temporal asymmetry of SAT is its semiannual component, we seek to understand the origins of the semiannual component.<span class="apple-converted-space">
</span>We found that, in midlatitudes where the semiannual component of the solar irradiance approaches to zero, the semiannual component of SAT is not directly solar irradiance forced; but rather, it is caused by the annual changes of the heat capacity of
the effective surface layer in response to the annual cycle of solar irradiance. We also assess the relative roles of direct forcing and indirect response in generating temporal asymmetry of annual cycle over different regions of the globe.</span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Shel McGuire<o:p></o:p></p>
<p class="MsoNormal">Florida State University<o:p></o:p></p>
<p class="MsoNormal">Academic Program Specialist<o:p></o:p></p>
<p class="MsoNormal">Department of Earth, Ocean, & Atmospheric Science<o:p></o:p></p>
<p class="MsoNormal">1011 Academic Way, 2019 EOA Building<o:p></o:p></p>
<p class="MsoNormal">Tallahassee, FL 32306<o:p></o:p></p>
<p class="MsoNormal">850-644-8582<o:p></o:p></p>
<p class="MsoNormal">To make an appointment please login to my.fsu.edu and choose the Campus Connect (CC) icon<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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