[ES_JOBS_NET] Multiple Postdoc Positions in Watershed Hydro-biogeochemistry at ORNL

[Herndon, Elizabeth]

See below and at this link<https://jobs.ornl.gov/job/Oak-Ridge-Postdoctoral-Research-Associate-Watershed-Hydro-biogeochemistry-TN-37830/1010788700/> for a postdoctoral research position on watershed hydro-biogeochemistry. Note that we are also evaluating candidates who will investigate the hydrogeochemistry (e.g., CQ behavior, colloid dynamics, redox processes) of non-perennial streams at lab and field scales. This person would work on the posted project as well as collaboratively with a DOE-funded early career project on coastal biogeochemistry<https://www.herndongeochemistry.com/current-projects.html> with Elizabeth Herndon (herndonem at ornl.gov<mailto:herndonem at ornl.gov>).

https://jobs.ornl.gov/job/Oak-Ridge-Postdoctoral-Research-Associate-Watershed-Hydro-biogeochemistry-TN-37830/1010788700/

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Position description
We are seeking several Postdoctoral Research Associates who will support the Biogeochemical Dynamics Group in the Environmental Sciences Division (ESD), Biological and Environmental Systems Science Directorate (BESSD) at Oak Ridge National Laboratory (ORNL). We are interested in qualified candidates who can apply their creativity and skills in aquatic biogeochemistry and/or ecology to advance a predictive understanding of how and why watershed hydro-biogeochemical processes (esp. stream metabolism) operate under a range of hydrologic regimes and vary within and across stream networks that drain heterogeneous land covers. The candidates will work with world-leading biogeochemical experimental and field researchers and modelers to support the Watershed Dynamics and Evolution Science Focus Area.


Major Duties/Responsibilities:

The selected candidates will have responsibility for collaboratively leading field and/or mesocosm investigations to resolve controls on stream metabolism and associated measures of stream function from patch to network scales in watersheds with heterogeneous land cover. Specific research areas include evaluating the resistance and resilience of stream metabolism to disturbance, the response of metabolic communities and emergent patterns to variable inputs associated with dynamic connectivity of the stream network, and (a)synchrony in emergent metabolic regimes along stream networks. This work will be caried out in close collaboration with related research to understand how network connectivity and solute export respond to variable saturation in non-perennial headwaters, and predictively model watershed hydro-biogeochemical function.



The selected candidates will be expected to perform local and regional field work to collect environmental samples, conduct controlled mesocosm experiments, develop and maintain environmental sensors in field and mesocosm settings, and analyze geochemical properties of environmental samples in the laboratory.



Additional responsibilities will include 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.



The nature of our scientific work is highly multidisciplinary, and candidates will work closely with a cohort of empiricists, modelers, and technical professionals from a variety of scientific backgrounds, including hydrology, geochemistry, microbiology, and related fields. All staff and external collaborators are expected to contribute to maintaining a safe work environment in compliance with safety guidelines and promoting a constructive and respectful work environment.



Deliver 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, Aquatic Ecology, or a related field completed within the last 5 years.



Preferred Qualifications:
*  A strong record of independent and productive research, as indicated by conference presentations and/or publications in peer-reviewed journals.
*  Motivated self-starter with the ability to work independently and to participate creatively and collaboratively as part of a large multidisciplinary team.
*  Demonstrated ability to design and execute experiments, perform data analyses, and interpret experimental results to address grand challenges in environmental research.
*  Experience conducting field and laboratory work independently or as part of a team.
*  Demonstrated ability to learn and independently operate field, experimental and analytical equipment.
*  Experience with in-situ sensors for monitoring water level, dissolved oxygen, etc., and processing of large datasets.
*  Experience with estimating and interpreting stream metabolism and/or associated measures of stream function.
*  Excellent written and oral communication skills.
*  Motivated self-starter with the ability to work independently and to participate creatively in collaborative teams across the laboratory.
*  Ability to function well in a fast-paced research environment, set priorities to accomplish multiple tasks within deadlines, and adapt to ever changing needs.



Contacts for Position:

Drs. Marie Kurz (kurzmj at ornl.gov<mailto:kurzmj at ornl.gov>), Natalie Griffiths (griffithsna at ornl.gov<mailto:griffithsna at ornl.gov>), and Scott Brooks (brookssc at ornl.gov<mailto:brookssc 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.



Moving can be overwhelming and expensive. UT-Battelle offers a generous relocation package to ease the transition process. Domestic and international relocation assistance is available for certain positions. If invited to interview, be sure to ask your Recruiter (Talent Acquisition Partner) for details.


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Elizabeth M. Herndon

Senior Staff Scientist, Plant-Soil Interactions Group
Environmental Sciences Division
Oak Ridge National Laboratory

Joint Faculty Assistant Professor, Earth & Planetary Sciences
University of Tennessee Knoxville


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