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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Dear Colleagues:</span><span style="color:black"><o:p></o:p></span></p>
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<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Please note the following postdoctoral fellowship opportunity that is being offered joint between the Department of Applied Physics
and Applied Mathematics at Columbia University in New York and NASA Goddard Institute for Space Studies (GISS). Proposed research will focus on the impacts of stratospheric variability on tropical tropospheric variability and climate.</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Best wishes,</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Dr. Clara Orbe</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Research Physical Scientist</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">NASA Goddard Institute for Space Studies</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#222222"> </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#222222"> </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Columbia University, Postdoctoral Research Scientist in Stratosphere-Troposphere Coupling in the Tropics</span></b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black"> </span></b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">The Department of Applied Physics and Applied Mathematics at Columbia University in New York and NASA Goddard Institute for Space Studies (GISS) invite applicants for a Postdoctoral
Research Scientist position to conduct research into stratosphere-troposphere coupling in the tropics, with the goal of helping improve the performance of global climate model parameterizations and constrain their predictions of changes in surface climate
and teleconnections between the tropics and high latitudes. Appointment is made annually and is contingent upon funding and performance.</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black"> </span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:13.0pt;background:white;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">The successful candidate will use NASA/GISS climate models and multiple sources of observed data to study the processes of coupling between the stratosphere and the troposphere via
several pathways, including modulation of the Madden-Julian Oscillation by the Quasi-Biennial Oscillation (QBO), modulation of the QBO by the El-Nino Southern Oscillation, and possible interactions between variability in the stratospheric polar vortex and
the QBO. The goal is to use these analyses to improve the GISS global climate model and make the model response to changes in stratospheric dynamical and compositional changes more coherent and more skillful. The postdoc will be expected to perform original
research, present the results of the research at scientific meetings, and publish first-author papers in peer-reviewed journals.</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Required Qualifications<br>
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">-PhD. in atmospheric dynamics </span><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#222222">or a directly related discipline is required by the
start of the appointment<br>
-Strong mathematical and programming skills</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Preferred Qualifications</span></b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#222222">-Fluency in Python </span><b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black"> <br>
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">-Demonstrated experience with both stratospheric dynamical and tropospheric convective processes and datasets and interest in bridging the gap in meaningful ways</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">-Expertise in running global climate simulations</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">-Strong command of the English language (verbal and written)</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black"> </span></b><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Application Instructions<br>
</span></b><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#222222"><a href="mailto:kr2002@columbia.edu" target="_blank">Candidates must also</a> apply through <a href="https://academic.careers.columbia.edu/#!/105584" target="_blank"><span style="color:#1155CC">https://academic.careers.columbia.edu/#!/105584</span></a>.</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#222222">Applications must include:</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:#222222">(a) curriculum vitae<br>
(b) statement of research<br>
(c) names of at least three references who may be asked to provide letters</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">Columbia University is an Equal Opportunity Employer / Disability / Veteran</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:13.0pt;background:white;font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-thickness: initial;text-decoration-style: initial;text-decoration-color: initial;word-spacing:0px">
<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black">NASA Goddard Institute for Space Studies (GISS): <a href="https://www.giss.nasa.gov/about/jobs/columbia_20221028.html" target="_blank"><span style="color:#1155CC">https://www.giss.nasa.gov/about/jobs/columbia_20221028.html</span></a></span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
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<span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;background:white">The search will remain open for at least 30 days after the ad appears and will continue until the position is filled.</span><span style="font-size:12.0pt;font-family:"Arial",sans-serif;color:#222222"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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