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<p class="MsoNormal"><b><span style="font-size:11.0pt">Postdoctoral Research Associate - Plant-Soil Interactions and Coastal Biogeochemistry (ORNL)<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><a href="https://jobs.ornl.gov/job/Oak-Ridge-Postdoctoral-Research-Associate-Plant-Soil-Interactions-and-Coastal-Biogeochemistry-TN-37830/1428925500/">https://jobs.ornl.gov/job/Oak-Ridge-Postdoctoral-Research-Associate-Plant-Soil-Interactions-and-Coastal-Biogeochemistry-TN-37830/1428925500/</a><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">Overview:</span></b><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">The Plant-Soil Interactions Group within the Environmental Sciences Division (ESD) at Oak Ridge National Laboratory (ORNL) seeks a postdoctoral researcher in Coastal Biogeochemistry. This researcher will use
field observations and laboratory mesocosms to investigate how plant traits and soil properties confer resilience or vulnerability to disturbance in coastal wetlands. Research activities will evaluate how belowground plant traits and soil properties vary across
inundation and salinity gradients in Gulf Coast wetlands. Potential areas of focus include belowground root traits, plant-microbe-soil interactions, physical and chemical soil properties, and organo-mineral associations.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">This candidate will directly support the Exploring Gulf Region Ecosystem Transitions (EGRET) project, an interdisciplinary and multi-institutional collaboration focused on disturbance-driven ecosystem transitions
and their impacts across the U.S. Gulf Coast. EGRET employs an integrated model–experiment (ModEx) approach accelerated by artificial intelligence (AI) to advance predictive understanding of how plant–microbial–soil interactions vary across inundation and
salinity gradients to shape ecological, hydrological, and geomorphological responses to abrupt disturbance. A cohort of postdoctoral researchers will be hired across multiple institutions to collaboratively support scientific advances guided by AI/ML, remote
sensing, process-based modeling, field observations and experiments, and advanced analytical techniques.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">Major Duties/Responsibilities:</span></b><span style="font-size:11.0pt"><o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Independently and collaboratively lead field campaigns to collect plant material, soil cores, and soil water from coastal wetlands.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Lead a laboratory mesocosm experiment evaluating plant-soil response to simulated disturbance, linking repeated high-throughput phenotyping at ORNL's Advanced Plant Phenotyping
Laboratory (APPL) with paired geochemical and microbial measurements.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Utilize laboratory equipment and software that may include a Picarro gas concentration analyzer (G2508), Rhizovision Explorer, Shimadzu TOC-L, ICP-MS/OES, and Aqualog for EEMS/UV-VIS.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Work closely with modelers and empiricists across multiple disciplines to address project objectives.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Present results within the research group and at national and international conferences, and publish manuscripts in peer-reviewed journals.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l0 level1 lfo1"><span style="font-size:11.0pt">Deliver ORNL’s mission by aligning behaviors, priorities, and interactions with our core values of Impact, Integrity, Teamwork, Safety, and Service.<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">Basic Qualifications:</span></b><span style="font-size:11.0pt"><o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l2 level1 lfo2"><span style="font-size:11.0pt">A PhD in Earth and Environmental Sciences, Ecology, Biosciences, Botany, Geosciences, or a related field with a strong focus on plant-soil interactions and/or biogeochemical
processes, completed within the last 5 years or expected to be completed soon.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l2 level1 lfo2"><span style="font-size:11.0pt">A strong record of independent and productive research, as indicated by conference presentations and/or publications in peer-reviewed journals.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l2 level1 lfo2"><span style="font-size:11.0pt">Ability to work independently and collaboratively as part of a large multidisciplinary team.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l2 level1 lfo2"><span style="font-size:11.0pt">Proven ability to design and implement experiments, perform data analyses, and interpret experimental results.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l2 level1 lfo2"><span style="font-size:11.0pt">Excellent interpersonal, oral, and written communication skills.<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">Preferred Qualifications:</span></b><span style="font-size:11.0pt"><o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l1 level1 lfo3"><span style="font-size:11.0pt">Demonstrated capabilities in evaluating physical and chemical properties of environmental samples including plants and soil.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l1 level1 lfo3"><span style="font-size:11.0pt">Experience integrating phenotypic or imaging-based datasets (e.g., RGB, chlorophyll fluorescence, root imaging) with biogeochemical, microbial, or environmental sensor data.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l1 level1 lfo3"><span style="font-size:11.0pt">Experience analyzing large datasets in reproducible formats (R, etc.)<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l1 level1 lfo3"><span style="font-size:11.0pt">Demonstrated interdisciplinary and systems-level approach to science.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l1 level1 lfo3"><span style="font-size:11.0pt">Experience conducting field work independently or as part of a team.<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">Special Requirements:</span></b><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt">Applicants cannot have received their Ph.D. more than five years prior to the date of application and must complete all degree requirements before starting their appointment. The appointment length will
be up to 24 months with the potential for extension. Initial appointments and extensions are subject to performance and availability of funding.</span></b><span style="font-size:11.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">More details listed in the job link.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt">Contact: Elizabeth Herndon (herndonem@ornl.gov)<o:p></o:p></span></p>
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