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Hilairy Hartnett

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Hilairy Hartnett
Alma materUniversity of Washington
Scientific career
ThesisOrganic carbon input, degradation, and preservation in continental margin sediments : an assessment of the role of a strong oxygen deficient zone (1998)

Hilairy Ellen Hartnett is professor at Arizona State University known for her work on biogeochemical processes in modern and paleo-environments.

Education and career

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Hartnett has an A.B. from Vassar College (1990) and an M.S. from the University of Washington (1995). She earned her Ph.D. from the University of Washington in 1998.[1] Following her Ph.D. she did postdoctoral work at Rutgers University. She joined Arizona State University in 2003 and, as of 2022, is a professor at Arizona State University.[2] In January 2025 Hartnett will move to the University of Washington where she will serve as the director of the School of Oceanography.[3]

Research

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Hartnett's early research examined the impact of oxygen on preservation of organic carbon in sediments[4] and how regions of the ocean with low levels of oxygen impact the degradation of organic carbon.[5] She established high-resolution profiles of nitrogen in sediments[6] and examined the consumption of organic matter[7] as a postdoctoral researcher in Sybil P. Seitzinger's lab. More recently she has investigated how organic carbon changes as it is moved along in rivers, especially in the Colorado River[8] the reaction mechanisms of chemical reactions under hydrothermal conditions,[9][10] and how wind-powered pumps could recover ice in the Arctic.[11][12] In the realm of astrobiology, Hartnett has spoken about the possibility of life on other planets,[13][14] how building blocks of life are formed,[15][16] and about the possibility that the earliest forms of life were purple.[17]

In 2022, Hartnett was involved in the Mayflower AI sea drone project that is sending an autonomous vehicle across the Atlantic Ocean and will collect scientific data which will provide a detailed assessment of the state of the surface ocean.[18]

Hartnett's has an h-index of 26, with eight papers receiving more than 100 citations.[19] Her most highly-cited paper introducing the concept of oxygen exposure time[4] received the 2022 John H. Martin Award from the Association for the Sciences of Limnology and Oceanography.[20]

Selected publications

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  • Hartnett, Hilairy E.; Keil, Richard G.; Hedges, John I.; Devol, Allan H. (1998). "Influence of oxygen exposure time on organic carbon preservation in continental margin sediments". Nature. 391 (6667): 572–575. Bibcode:1998Natur.391..572H. doi:10.1038/35351. ISSN 0028-0836. S2CID 4414277.
  • Hedges, John I.; Hu, Feng Sheng; Devol, Allan H.; Hartnett, Hilairy E.; Tsamakis, Elizabeth; Keil, Richard G. (1999-11-01). "Sedimentary organic matter preservation; a test for selective degradation under oxic conditions". American Journal of Science. 299 (7–9): 529–555. Bibcode:1999AmJS..299..529H. doi:10.2475/ajs.299.7-9.529. ISSN 0002-9599.
  • Hartnett, Hilairy E; Devol, Allan H (2003-01-15). "Role of a strong oxygen-deficient zone in the preservation and degradation of organic matter: a carbon budget for the continental margins of northwest Mexico and Washington State". Geochimica et Cosmochimica Acta. 67 (2): 247–264. Bibcode:2003GeCoA..67..247H. doi:10.1016/S0016-7037(02)01076-1. ISSN 0016-7037.
  • Shipp, Jessie A.; Gould, Ian R.; Shock, Everett L.; Williams, Lynda B.; Hartnett, Hilairy E. (2014-07-28). "Sphalerite is a geochemical catalyst for carbon−hydrogen bond activation". Proceedings of the National Academy of Sciences. 111 (32): 11642–11645. Bibcode:2014PNAS..11111642S. doi:10.1073/pnas.1324222111. ISSN 0027-8424. PMC 4136594. PMID 25071186.

Awards and honors

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In 2009 Hartnett received a National Science Foundation CAREER Awards.[8] In 2022, Hartnett received the John H. Martin Award from the Association for the Sciences of Limnology and Oceanography[20][21] for her paper that introduced the concept of oxygen exposure time.[4]

References

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  1. ^ Hartnett, Hilairy Ellen (1998). Organic carbon input, degradation, and preservation in continental margin sediments: an assessment of the role of a strong oxygen deficient zone (Thesis). OCLC 42612262.
  2. ^ "Hilairy Hartnett | iSearch". isearch.asu.edu. Retrieved 2022-03-03.
  3. ^ "Our New Director - Welcome Aboard!". University of Washington Ocean Currents. September 17, 2024.
  4. ^ a b c Hartnett, Hilairy E.; Keil, Richard G.; Hedges, John I.; Devol, Allan H. (1998). "Influence of oxygen exposure time on organic carbon preservation in continental margin sediments". Nature. 391 (6667): 572–575. Bibcode:1998Natur.391..572H. doi:10.1038/35351. ISSN 0028-0836. S2CID 4414277.
  5. ^ Devol, Allan H.; Hartnett, Hilairy E. (November 2001). "Role of the oxygen-deficient zone in transfer of organic carbon to the deep ocean". Limnology and Oceanography. 46 (7): 1684–1690. Bibcode:2001LimOc..46.1684D. doi:10.4319/lo.2001.46.7.1684. ISSN 0024-3590. S2CID 131439570.
  6. ^ Hartnett, Hilairy E.; Seitzinger, Sybil P. (2003-10-01). "High-resolution nitrogen gas profiles in sediment porewaters using a new membrane probe for membrane-inlet mass spectrometry". Marine Chemistry. Novel Techniques for Chemical Characterization in Marine Systems. 83 (1): 23–30. Bibcode:2003MarCh..83...23H. doi:10.1016/S0304-4203(03)00093-8. ISSN 0304-4203.
  7. ^ Seitzinger, S. P.; Hartnett, H.; Lauck, R.; Mazurek, M.; Minegishi, T.; Spyres, G.; Styles, R. (2005). "Molecular-level chemical characterization and bioavailability of dissolved organic matter in stream water using electrospray-ionization mass spectrometry". Limnology and Oceanography. 50 (1): 1–12. Bibcode:2005LimOc..50....1S. doi:10.4319/lo.2005.50.1.0001. ISSN 0024-3590. S2CID 55931529.
  8. ^ a b Cimons, Marlene (May 9, 2012). "Studying Carbon in Rivers". US News. Retrieved March 4, 2022.
  9. ^ Yang, Ziming; Gould, Ian R.; Williams, Lynda B.; Hartnett, Hilairy E.; Shock, Everett L. (2012-12-01). "The central role of ketones in reversible and irreversible hydrothermal organic functional group transformations". Geochimica et Cosmochimica Acta. 98: 48–65. Bibcode:2012GeCoA..98...48Y. doi:10.1016/j.gca.2012.08.031. ISSN 0016-7037.
  10. ^ Shipp, Jessie; Gould, Ian R.; Herckes, Pierre; Shock, Everett L.; Williams, Lynda B.; Hartnett, Hilairy E. (2013-03-01). "Organic functional group transformations in water at elevated temperature and pressure: Reversibility, reactivity, and mechanisms". Geochimica et Cosmochimica Acta. 104: 194–209. Bibcode:2013GeCoA.104..194S. doi:10.1016/j.gca.2012.11.014. ISSN 0016-7037.
  11. ^ Ghose, Tia (2017-02-22). "Tiny, Wind-Powered Pumps Could Help Replenish Arctic Ice". livescience.com. Retrieved 2022-03-07.
  12. ^ Leber, Jessica (December 18, 2017). "Could Geoengineering Lessen the Damage Caused by Climate Change?". Pacific Standard. Retrieved 2022-03-07.
  13. ^ Gerbis, Nicholas (2018-10-01). "Experts Push Limits Of Science And Tech In Search Of Life On Exoplanets". KJZZ. Retrieved 2022-03-07.
  14. ^ Greenfieldboyce, Nell (September 14, 2020). "A Possible Sign Of Life Right Next Door To Earth, On Venus". NPR.org. Retrieved 2022-03-07.
  15. ^ Greenfieldboyce, Nell (March 16, 2021). "How A Building Block Of Life Got Created In A Flash". NPR.org. Retrieved 2022-03-07.
  16. ^ Gough, Evan (2020-09-18). "Searching for Phosphorus in Other Stars". Universe Today. Retrieved 2022-03-07.
  17. ^ Emanuel, Daniella (3 August 2017). "What purple can tell us about life on other planets". CNN. Retrieved March 7, 2022.
  18. ^ Tripathy-Lang, Alka (2022-01-24). "A New Mayflower, Named for the Past, Autonomously Navigates the Future". Eos. Retrieved 2022-03-07.
  19. ^ "Hilairy Hartnett". scholar.google.com. Retrieved 2022-03-07.
  20. ^ a b "ASU professor accepts international award for research in marine, aquatic sciences". ASU News. 2022-02-10. Retrieved 2022-03-03.
  21. ^ "Arizona State University Oceanographer Honored for Impact of Her Paper Published in 1998". Women in Academia Report. February 17, 2022 – via ProQuest.
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