Krista Longnecker

I think my description at GitHub is best: Biologist. Chemist. Data scientist. Journal editor. Curious person. All of the above.

Current positions

• Editor-in-Chief Limnology and Oceanography: Methods, Association for the Sciences of Limnology and Oceanography (2024 – present)
• Guest Investigator. Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry (October 2025 – present)
• Scientist with the BIOS-SCOPE project, see website and GitHub for the project’s accomplishments

Past experience

• Research Specialist. Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry (2011 to October 2025)
• Research Associate III. Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry (2009 – 2011)
• Postdoctoral Investigator. Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry (2006 – 2009)
• Research Associate (Postdoc). Oregon State University, College of Oceanic and Atmospheric Sciences (2004 – 2006)
• Graduate Research Assistant. Oregon State University (1999 – 2004)
• Graduate Research Assistant. Rutgers University, NJ. (1998)
• Technology Manager. Gulf of Maine Aquarium, now known as the Gulf of Maine Research Institute (1993 – 1997)
• Clam Flat Project Coordinator. Friends of Casco Bay. (1994 – 1997)
• Undergraduate Researcher. Marine Biological Laboratory (Summer 1991, 1992 as NSF REU Fellow, 1993)

Select publications

• Longnecker, K., Kido Soule, M. C., Kujawinski, E. B. (2024). A witches’ brew: Dissolved metabolites in seawater. Biogeochemistry of Marine Dissolved Organic Matter, third edition. D. A. Hansell and C. A. Carlson, Academic Press: 69-99.
• Longnecker, K., M. C. Kido Soule, G. J. Swarr, R. Parsons, S. Liu, W. M. Johnson, B. Widner, R. Curry, C. A. Carlson and E. B. Kujawinski (2024). Seasonal and daily patterns in known dissolved metabolites in the northwestern Sargasso Sea. Limnology and Oceanography. 69(3): 449-466. DOI: 10.1002/lno.12497
• Parsons, R. J., S. Liu, K. Longnecker, K. Yongblah, C. Johnson, L. Bolaños, K. Opalk, M. C. Kido Soule, R. Garley, C. A. Carlson, B. Temperton and N. R. Bates (2023). Suboxic DOM is bioavailable to Surface Prokaryotes in a Simulated Overturn of an Oxygen Minimum Zone, Devil’s Hole, Bermuda. Frontiers in Microbiology. 14:1287477. DOI: 10.3389/fmicb.2023.1287477
• Longnecker, K., L. Oswald, M.C. Kido Soule, G.A. Cutter, E.B. Kujawinski (2020) Organic sulfur: a spatially variable and understudied component of marine organic matter. Limnology & Oceanography Letters 5:305-312
• Liu, S., R. Parsons, K. Opalk, N. Baetge, S. Giovannoni, L. Bolanos, E.B. Kujawinski, K. Longnecker, Y. Lu, E. Halewood, C.A. Carlson (2020) Different carboxyl-rich alicyclic molecules (CRAM) proxy compounds select distinct bacterioplankton for oxidation of DOM in the mesopelagic Sargasso Sea. Limnology and Oceanography 65:1532-1553
• Longnecker, K., Sievert, S.M., Sylva, S.P., Seewald, J.S., and Kujawinski, E.B. (2018). Dissolved organic carbon compounds in deep-sea hydrothermal vent fluids from the East Pacific Rise at 9º50’N. Organic Geochemistry 125: 41-49.

Full set of publications available here

Education

• Ph.D. Oregon State University, 2004, Oceanography
• M.Sc. Oregon State University, 2001, Oceanography
• B.S. Yale University, 1993, Biology