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<p class="MsoNormal"><span style="font-size:11.0pt;color:black">The Atmospheric Sciences and Global Change Division at Pacific Northwest National Laboratory (PNNL) is seeking one (1) highly motivated postdoctoral research associate to work on regional CO<sub>2</sub>
 flux estimation modeling within NASA carbon cycle program such as Carbon Monitoring System (CMS,
</span><a href="https://carbon.nasa.gov/"><span style="font-size:11.0pt">https://carbon.nasa.gov/</span></a><span style="font-size:11.0pt;color:black">).
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black">The incumbent will contribute to the development and evaluation of regional carbon flux estimation modeling framework leveraging constraints from an increasingly large volume of satellite (i.e.
 OCO-2, OCO-3, GeoCARB) and in situ CO<sub>2</sub> data, aiming at in improving spatial resolution and uncertainty quantification and improving the fidelity of atmospheric transport
</span><span style="font-size:11.0pt;color:black">simulations. The assignments will include one or more of the following:</span><span style="font-size:11.0pt;color:black"><o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraphCxSpFirst" style="color:black;margin-left:0in;mso-add-space:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt;font-family:"Calibri",sans-serif">assessing transport, biogenic CO<sub>2</sub> flux, and boundary condition uncertainty over North America using an ensemble approach<o:p></o:p></span></li><li class="MsoListParagraphCxSpMiddle" style="color:black;margin-left:0in;mso-add-space:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt;font-family:"Calibri",sans-serif">evaluating the impact of the uncertainty quantifications on the estimated CO<sub>2</sub> fluxes
<o:p></o:p></span></li><li class="MsoListParagraphCxSpMiddle" style="color:black;margin-left:0in;mso-add-space:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt;font-family:"Calibri",sans-serif">implementing a variety of CO<sub>2</sub> measurements into an Eulerian hybrid 4DVar framework
<o:p></o:p></span></li><li class="MsoListParagraphCxSpMiddle" style="color:black;margin-left:0in;mso-add-space:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt;font-family:"Calibri",sans-serif">designing and carrying out a set of Observation System Simulation Experiments (OSSEs) for GeoCARB<o:p></o:p></span></li></ul>
<p class="MsoListParagraphCxSpLast"><span style="font-size:11.0pt;color:#002060"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black">The incumbent will work in close collaboration with carbon data assimilation experts at PNNL and various institutions and companies, Bayesian inversion modelers and experts in ground-based measurements
 at NOAA, and satellite retrieval experts at Colorado State University. <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black"><o:p> </o:p></span></p>
<w:Sdt DocPart="527E9D1023B1E74B8F0C4D789CC893B9" id="-1250415938">
<p class="MsoListParagraphCxSpFirst" style="margin-left:0in;mso-add-space:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Required qualifications:<o:p></o:p></span><span style="font-family:"Calibri",sans-serif"><w:sdtPr></w:sdtPr></span></p>
<p class="MsoListParagraphCxSpMiddle" style="margin-left:.75in;mso-add-space:auto;text-indent:-.25in;mso-list:l1 level2 lfo2">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">A Ph.D. in atmospheric science, geoscience, environmental science, civil and environmental engineering, or a related field; 
<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="margin-left:.75in;mso-add-space:auto;text-indent:-.25in;mso-list:l1 level2 lfo2">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Demonstrated experience
<span style="color:black">in atmospheric modeling;</span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">
<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="margin-left:.75in;mso-add-space:auto;text-indent:-.25in;mso-list:l1 level2 lfo2">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">Experience with high-performance computing environments;</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.75in;text-indent:-.25in;mso-list:l1 level2 lfo2;vertical-align:baseline">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New""><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt">Fluency in Fortran, NCL, and Python/shell scripting.
<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.75in;vertical-align:baseline"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal" style="vertical-align:baseline"><span style="font-size:11.0pt;color:black">Preferred qualification:<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpFirst" style="margin-left:.75in;mso-add-space:auto;text-indent:-.25in;mso-list:l1 level2 lfo2">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New";color:black"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">Experience in developing and evaluating atmospheric transport models (e.g., WRF-Chem, CMAQ, JEDI).
<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="margin-left:.75in;mso-add-space:auto;text-indent:-.25in;mso-list:l1 level2 lfo2">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New";color:black"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">Strong interpersonal communication skills;<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpMiddle" style="margin-left:.75in;mso-add-space:auto;text-indent:-.25in;mso-list:l1 level2 lfo2">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New";color:black"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">Ability to publish work in peer-reviewed journals;
<o:p></o:p></span></p>
<p class="MsoListParagraphCxSpLast" style="margin-left:.75in;mso-add-space:auto;text-indent:-.25in;mso-list:l1 level2 lfo2">
<![if !supportLists]><span style="font-size:11.0pt;font-family:"Courier New";color:black"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">  
</span></span></span><![endif]><span dir="LTR"></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">Strong team player with the willingness and ability to work independently.</span><span style="font-size:11.0pt;font-family:"Times New Roman",serif;color:black"><o:p></o:p></span></p>
</w:Sdt>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black">To apply, please upload your CV to
</span>https://careers.pnnl.gov/jobs/2305?lang=en-us <span style="font-size:11.0pt;color:black">
by November 3rd, 2021<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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