Oregon State University

College of Earth, Ocean, and Atmospheric Sciences

Directory of People

Angelicque (Angel) White

Angelicque White photo
Associate Professor
Discipline: Ocean Ecology and Biogeochemistry
Email: awhite@coas.oregonstate.edu
Vita or Résumé

Research Interests

Phytoplankton physiology, nitrogen fixation, phosphorus cycling, elemental stoichiometry, hyperspectral absorbance, attenuation and fluorescence, harmful algal blooms, numerical approaches to modeling phytoplankton‚Äźmediated processes and utilization of remote sensing tools to explore habitat variability

Current Research

1. National Science Foundation, Chemical Oceanography  (04/2017 – 03/2018)    
   “EAGER: Collaborative Research- Detection limit in marine nitrogen fixation measurements - Constraints of rates from the mesopelagic ocean
    Lead Investigator(s): (White, OSU; Granger, UConn; Moisander, UMD).……

2. National Science Foundation , Chemical Oceanography (09/2015 – 08/2018)
    “Measurement of ocean productivity from the diurnal cycle of oxygen and carbon”
     Lead Investigator(s): (White, OSU; Quay, UW)

3. National Science Foundation , Chemical Oceanography (06/2015 – 05/2017)
    “Coastal Ocean Carbon Cycling during Wintertime Conditions”
    Lead Investigator(s): (Goñi, OSU)
    Co-Investigator(s) (White and Shearman, OSU)

4. Simons Foundation, SCOPE (10/2014 – 6/2017)
    "Estimating Primary Productivity via Diurnal Changes in Carbon”
     Lead Investigator(s): (Karl and Delong,University of Hawaii)
     Co-Investigator (White, OSU and multiple other institutions)


Ph.D. Biological Oceanography, Oregon State University, 2006
M.S. Biology, University of Alabama in Huntsville, 2001
B.S. Biology, University of Alabama in Huntsville, 1998


OC407H Oceans, Coasts, and People

OC521 Applications in Ocean Ecology and Biogeochemistry

Graduate Students

Morgaine McKibben (PhD Candidate)

Mary-Rose Gradoville (PhD Candidate)


50. Becker, K.W., J. R. Collins, B. P. Durham, R. Groussman, A. E. White, H. F. Fredricks, J. E. Ossolinski, D. J. Repeta, P. Carini , S. W. Chisholm, E. V. Armbrust, and B. A. S. Van Mooy. (2018). Daily cycles in oceanic fat concentrations reveal a phytoplankton carbon ‘crash diet’. In review with Nature Geosciences.

49. White, A.E., K. Watkins-Brandt, and M.J. Church (2018). Temporal variability of Trichodesmium and Richelia spp. in the North Pacific Subtropical Gyre. In press with Frontiers in Microbiology

48. Henderikx-Freitas, F., G. S. Saldías, M. Goñi, R. K. Shearman, and A.E. White. (2018) Temporal and spatial dynamics of physical and biological properties along the Endurance Array of the California Current Ecosystem. In press with TOS Oceanography

47. Follett, C.L., A.E. White, S. Wilson, and M. Follows. (2018). Nitrogen Fixation Measured by Stoichiometric Fluctuations. In press with Limnology and Oceanography.

46. Gradoville, M.R., B. Crump, C. Hase, and A. E. White (2018) Environmental controls of oyster-pathogenic Vibrio spp. in Oregon estuaries and a shellfish hatchery. In press with Applied and Environmental Microbiology.

45. Moisander, P., Benavides, S. Bonnet, I. Berman-Frank, A.E. White and L. Riemann. (2017) Chasing after non-cyanobacterial nitrogen fixation in marine pelagic environments. Frontiers in Microbiology.doi:10.3389/fmicb.2017.01736

44.  Gradoville, M.R., B. Crump, R.M. Letelier, M. Church and A. E. White (2017) Microbiome of Trichodesmium colonies in the North Pacific Subtropical Gyre.  Frontiers in Microbiology. doi: 10.3389/fmicb.2017.01122

43. White, A.E. B. Barone, R.M. Letelier, and D.M. Karl (2017). Productivity diagnosed from the diurnal cycle of particulate carbon in the North Pacific Subtropical Gyre. Geophysical Research Letters. doi: 10.1002/2016GL071607

42.  Gradoville, M.R., D. Bombar, B. Crump, R.M. Letelier, J.P. Zehr and A. E. White (2017) Diversity and activity of nitrogen-fixing communities across ocean basins.  Limnology and Oceanography. doi: 10.1002/lno.10542

41. Letelier, R, A.E. White, R. Bidigare, B. Barone, M.J. Church, and D.M. Karl (2017). Light absorption by phytoplankton in the North Pacific subtropical gyre. Limnology and Oceanography. doi: 10.1002/lno.10515

40. McKibben, S.M., W. T. Peterson, A. M. Wood, V. Trainer, M. Hunter, and A.E. White (2017). Climatic regulation of the neurotoxin domoic acid. Proceedings of the National Academy of Sciences. 10.1073/pnas.1606798114

38. Bryant, T. Clemente, D. Viviani, A. Fong, P. Kemp, D.M. Karl, A. E. White and E.F. Delong. (2016)  Diversity and activity of communities inhabiting plastic debris in the North Pacific Gyre. mSystems.1(3):e00024-16. doi:10.1128/mSystems.00024-16.

39. Kohut, J. T., A.B. Kustka, M. Hiscock, P. Lam, C. Measures, A. Milligan, A.E. White, F. Carvalho, M. Hatta, B. Jones, D. Ohnemus and J. Schwartz. (2016) Mesoscale variability of the summer bloom over the Northern Ross Sea Shelf: A Tale of two banks. Journal of Marine Systems. doi:10.1016/j.jmarsys.2016.06.009

37. Kustka, A, J. Kohut, A.E. White, P. Lam, A. Milligan, M. Dinniman, M. S. Mack, E. Hunter, M. Hiscock, W. O. Smith, and C. Measures  (2015) The role of Modified Circumpolar Deep Water as an iron source to productive mid-summer phytoplankton in the Ross Sea. Deep Sea Research Part I. 105: 171-185, doi:10.1016/j.dsr.2015.08.012

36. Wilson. S., B. Barone, F. Ascani, R. Bidigare, M. J. Churchm D. del Valle, S. T. Dyhrman, S. Ferrón, J. N. Fitzsimmons, L. W. Juranek, Z. Kolber, R. M. Letelier, S. Martínez-Garcia, D. P. Nicholson, K. J. Richards, Y. M. Rii, M.Rouco, D. A. Viviani, A. E. White, J. P. Zehr and D.M. Karl. (2015) Short-term variability in euphotic zone biogeochemistry and primary productivity at Station ALOHA: A case study of summer 2012. Global Biogeochemical Cycles, 29, doi: 10.1002/2015GB005141

35.White, A.E. A.L. Whitmire, B. Barone, R.M. Letelier, D.M. Karl, and M.J. Church (2015) Phenology of particle size distributions in the North Pacific gyre. Journal of Geophysical Research-Oceans.doi: 10.1002/2015JC010897

34. McKibben, S.M., K. Watkins-Brandt,  M. Wood, M. Hunter, Z. Forster, X. Du, and W. T. Peterson, and A.E. White (2015) Environmental regulation of HAB formation along the Oregon Coast. Harmful Algae 50: 32-44, doi.org/10.1016/j.hal.2015.10.004.

33. Puigcorbe, V., C. Benitez-Nelson, P. Masque, E. Verdeny, A. E. White, B.N. Popp, F. G. Prahl and P.J. Lam (2015) Small particles drive summertime carbon and nutrient export in the Gulf of California and Eastern Tropical North Pacific. Global Biogeochemical Cycles, 29, doi: 10.1002/2015GB005134.

32. Carini, P. B, van Mooy, J. C. Thrash, A.E. White, Y. Zhao, E. O. Campbell, H. Fredericks, and S. Giovanonni (2015) SAR11 lipid renovation in response to phosphorus starvation. Proceedings of the National Academy of Sciences 112: doi:10.1073/pnas.1505034112

31.  Barone, B., M.J. Church, D.M. Karl, R.M. Letelier and A. E. White (2015) Particle distributions and dynamics from laser diffraction in the North Pacific Subtropical Gyre. Journal of Geophysical Research-Oceans. 120: doi:10.1002/2015JC010774

30. Carini, P. A.E. White, E.O. Campbell and S. Giovanonni (2014) Aerobic methanogenesis by phosphate-starved SAR11 chemoheterotrophic marine bacteria. Nature Communications  5: doi:10.1038/ncomms5346.

29. White, A.E., K. Watkins-Brandt, S.M. McKibben, M. Wood, M. Hunter, X. Du, and W. T. Peterson (2014) Persistent blooms of Akashiwo sanguinea along the Oregon-Washington coastal margin in 2009. Harmful Algae 37: 38-46. doi: 10.1016/j.hal.2014.05.004.

28. Muller-Karger, F. E., M. Kavanaugh, E. Montes, W. M. Balch, M. Breitbart1, F. P. Chavez, S. C. Doney, E. M. Johns, R. M. Letelier, M. W. Lomas, H. M. Sosik, A. E. White (2014). Urgent Need for Creating A Coastal Marine Biodiversity Observing Network (MBON) to Establish Baselines and Monitor Changing Seascapes. Oceanography 27(2): 18-23.

27. Gradoville, M.R., A. E. White and R.M. Letelier (2014) Physiological effects of enhanced carbon dioxide on high density Crocosphaera cultures. PlosOne: 9(10): e110660. doi:10.1371/journal.pone.0110660

26. Burkhardt, B.,  K. S. Watkins-Brandt, D. Defforey, A.  Paytan and A. E. White (2014) Remineralization of phytoplankton-derived organic matter by natural populations of heterotrophic bacteria. Marine Chemistry 162: doi: 10.3389/fmicb.2013.00105.

25. Gradoville, M.R., A. E. White, D. Böttjer. M.J. Church and R.M. Letelier (2014) Diversity trumps acidification: No carbon dioxide enhancement of Trichodesmium community nitrogen or carbon fixation at Station ALOHA. Limnology and Oceanography 59(3): 645-659.

24. Wolhowe, Matthew D., Fredrick G. Prahl, Angelicque E. White, Brian N. Popp, and Anaid Rosas Navarro (2014) A biomarker perspective on coccolithophorid growth and export in a stratified sea. Progress in Oceanography122: 65-76.

23. Kavanaugh. M.T., B. Hales, M. Saraceno, Y. H. Spitz, A. E. White, R.M. Letelier (2014) Hierarchical and dynamic seascapes: A quantitative framework for scaling pelagic biogeochemistry and ecology. Progress in Oceanography. 120, 291-304.

22. White, A.E. and S. Dyhrman (2013) The marine phosphorus cycle. Frontiers in Microbiology, 4 doi: 10.3389/fmicb.2013.00105

21. White, A. E., R. Foster, C. Benitez-Nelson, B.N. Popp, P. Masque, E. Verdeny and F. G. Prahl (2013) Nitrogen fixation in the Gulf of California and the Eastern Tropical North Pacific. Progress inOceanography, 109, 1-17.

20. McKibben, S.M., P.G. Strutton, D.G. Foley, T.D. Peterson, and A.E. White (2012) Satellite-Based Detection and Monitoring of Phytoplankton Blooms along the Oregon Coast. Journal of Geophysical Research, 117:C12, C12002

19. White, A.E. (2012) The trouble with the bubble. Nature, 488, 291.

18. White, A. E., K. Watkins-Brandt, M. A. Engle, B. Burkhardt, and A. Paytan (2012) Characterization of the rate and temperature sensitivities of bacterial remineralization of dissolved organic phosphorus by natural populations. Frontiers in Microbiology, 3 doi: 10.3389/fmicb.2012.00276

17. Luo, Y., et al. (2012). Database of Diazotrophic Abundance, Biomass and Nitrogen Fixation Rates in Global Ocean. Earth System Science Data, 5, 47-106.

16. White, A. E., K. Björkman, E. Grabowski, R. M. Letelier, S. Poulos, B. Watkins, and D. M. Karl (2011) Reply: Challenges remain in the engineering of wave pumps for long term deployment in the open ocean. Journal of Oceanic and Atmospheric Technology. ­28: 850-851.

15. Hixon, M., Gregory, S.  Robinson, W.D., Baker, S, Batchelder, H., Epps, C. Garcia, T.S., Haig, S. Letelier, R., Lytle, D., Menge, B., Miller, J., Noakes, D. Peterson, W. Rice, J., Rumrill, S., Schreck, C., Suryan, R., Systma, M. and White, A. (2010) Oregon's Fish and Wildlife in a Changing Climate. In: Oregon Climate Change Research Institute, The Oregon Climate Assessment Report K.D. Dello and P.W. Mote (eds). College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, Oregon.

14. Watkins-Brandt, K., R. M. Letelier, Y. H. Spitz, M. Church, D.  Bottjer and A. E. White. (2010) Enhancement of nitrogen fixation in the oligotrophic North Pacific via inorganic and organic phosphorus additions. Marine Ecology Progress Series. ­432: 17-29.

13. White, A. E., D. M. Karl, K. Björkman, L. J. Beversdorf, and R. M. Letelier (2010) Production of organic matter by Trichodesmium IMS101 as a function of phosphorus source. Limnology and Oceanography. 55: 1755-1767.

12. Beversdorf, L. J., A. E. White, K. Björkman, R. M. Letelier, and D. M. Karl (2010) Phosphonate metabolism by Trichodesmium IMS101 and the production of greenhouse gases. Limnology and Oceanography. 55: 1768-1778.

11. Moisander, P.H., R. A. Beinart , I. Hewson, A.E. White,  K. S. Johnson, C. A. Carlson, J. P. Montoya and J. P. Zehr (2010) Unicellular cyanobacterial distributions broaden the oceanic N2 fixation domain. Science. 327: 1512-1514.

10. White, A. E., K. Björkman, E. Grabowski,  R. M. Letelier, S. Poulos, B. Watkins, and D. M. Karl (2010) An Open Ocean Trial of Controlled Upwelling Using Wave Pump Technology. Journal of Oceanic and Atmospheric Technology.27: 385-396.

9. White, A. E.  (2009) New Insights into bacterial acquisition of phosphorus in the surface ocean. Proceedings of the National Academy of Sciences.106: 21013–21014.

8.  Hewson, I., R. S. Poretsky, S. T. Dyhrman, B. Zielinski, A. E. White, H. J. Tripp, J. P. Montoya, and J. P. Zehr (2009) Microbial community gene expression within colonies of the diazotroph, Trichodesmium, from the Southwest Pacific Ocean. The International Society for Microbial Ecology Journal,3: 1286–1300.

7. Hewson, I., R. S. Poretsky, R. A. Beinart, A. E. White, T. Shi, S.R. Bench, P. H. Moisander, R. W. Paerl, H. J. Tripp, J. P. Montoya, M. A. Moran, and J. P. Zehr (2009) In situ transcriptomic analysis of the globally important keystone N2-fixing taxon Crocosphaera watsonii. The International Society for Microbial Ecology Journal, 4: doi: 10.1038/ismej.2009.8

6. White, A. E., Y. H. Spitz, and R. M. Letelier (2007) What factors are driving summer phytoplankton blooms in the North Pacific Subtropical Gyre? Journal of Geophysical Research-Oceans, 112: C12006, doi: 10.1029/2007JC004129. 

5. White, A. E., F. G. Prahl, R. M. Letelier, and B. N. Popp (2007) Summer in the Gulf of California: prime habitat for biological N2 fixation. Global Biogeochemical Cycles, 21: 10.1029/2006GB002779.

4. White, A. E., Y. H. Spitz, and R. M. Letelier (2006) A numerical model of carbohydrate ballasting for Trichodesmium spp. at Station ALOHA. Marine Ecology Progress Series, 323: 35-45.

3. White, A. E., Y. H. Spitz, D. M. Karl, and R. M. Letelier (2006) Flexible elemental stoichiometry in Trichodesmium spp. and its ecological implications. Limnology and Oceanography, 51: 1777-1790.

2. White, A. E. (2006) Phosphorus physiology and environmental forcing of oceanic cyanobacteria, primarily Trichodesmium spp., Oregon State University, Ph.D. Dissertation.

1. White, A. E. (2001) A numerical model of primary productivity and dissolved oxygen dynamics in Mobile Bay. University of Alabama in Huntsville, Master’s Thesis.

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