[ES_JOBS_NET] Postdoctoral position in Environmental Geochemistry/Biogeochemistry

[Elizabeth Herndon]

*Link to the full ad is here
<https://jobs.ornl.gov/Exempt/job/Oak-Ridge-Postdoctoral-Research-Associate-Environmental-GeochemistryBiogeochemistry-TN-37830/1133857200/>.*

The Environmental Sciences Division (ESD) at Oak Ridge National Laboratory
(ORNL) seeks a postdoctoral researcher with expertise in environmental
(bio)geochemistry and hydrology. This researcher will use a suite of
analytical tools to understand biogeochemical processes in terrestrial and
aquatic ecosystems, with a particular emphasis on how biogeochemical
processes respond to variable hydrology and salinity.

Major Duties/Responsibilities:

The candidate will directly support the project “Biogeochemical controls on
phosphorus cycling in urban-influenced coastal ecosystems” funded by the
DOE Early Career Research Program. The objective of this research is to
evaluate how coastal biogeochemistry is shaped by large-scale water
diversions along the Louisiana Gulf Coast.



The specific aims of this research are to (1) evaluate how water level,
redox potential, and salinity vary spatially and in response to seasonal
and episodic disturbances; (2) examine how a suite of biogeochemical
solutes that include phosphorus are mobilized into soil solution across
redox and salinity gradients; (3) quantify inorganic and organic phosphorus
reservoirs within wetland soils across different seasons; and (4) explore
how mobilization of soil phosphorus responds to experimental redox and
salinity manipulations. Findings from this research will inform
process-based models being developed to simulate biogeochemical reactions
in coastal systems and will be particularly beneficial to expanding
modeling capabilities within the E3SM Land Model (ELM).



The selected candidate will have the responsibility of:

   - Independently and collaboratively leading field and laboratory studies
   to investigate one or more aims of the project.
   - Maintaining detailed scientific records, analyzing experimental data,
   presenting results within the research group and at national and
   international conferences, and preparing manuscripts for publication in
   peer-reviewed journals.


   - Maintaining a safe work environment in compliance with safety
   guidelines.
   - Promoting a constructive and respectful work environment.


   - Delivering ORNL’s mission by aligning behaviors, priorities, and
   interactions with our core values of Impact, Integrity, Teamwork, Safety,
   and Service. Promote diversity, equity, inclusion, and accessibility by
   fostering a respectful workplace – in how we treat one another, work
   together, and measure success.



Basic Qualifications:

   - A PhD in Geosciences, Earth and Environmental Sciences, or a related
   field with a strong focus on biogeochemistry, completed within the last 5
   years
   - A strong record of independent and productive research, as indicated
   by conference presentations and/or publications in peer-reviewed journals.
   - Ability to work independently and collaboratively as part of a large
   multidisciplinary team, and should be able to design and execute
   experiments, perform data analyses, and interpret experimental results.
   - Excellent interpersonal, oral, and written communication skills.



Preferred Qualifications:

   - Demonstrated ability to independently operate analytical equipment.
   - Experience conducting field work independently or as part of a team.



Contact for Position: Dr. Elizabeth Herndon (herndonem at ornl.gov)



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 for up to 24
months with the potential for extension. Initial appointments and
extensions are subject to performance and the availability of funding.


Benefits at ORNL:

ORNL offers competitive pay and benefits programs to attract and retain
talented people. The laboratory offers many employee benefits, including
medical and retirement plans and flexible work hours, to help you and your
family live happy and healthy. Employee amenities such as on-site fitness,
banking, and cafeteria facilities are also provided for convenience.
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