Bonnie Chang

  • Research Scientist
  • Education:
    • Ph.D, Oceanography, University of Washington, 2010
    • B.S. Chemistry, University of Virginia, 2001
  • Email:
  • Phone:
    • 206-685-9613
  • Location:
    • Wallace Hall, 170
    • Marine nitrogen cycling and its link to oceanic productivity
    • Origin and air-sea flux of nitrous oxide in the Atlantic and Pacific Oceans
    • Nitrogen fixation and denitrification in oxygen deficient zones (eastern tropical North and South Pacific, Arabian Sea)

    Selected publications

    Fuchsman C. A., Devol A. H., Casciotti K. L., Buchwald C., Chang B. X, Horak R. E. A. 2017. An N isotopic mass balance of the Eastern Tropical North Pacific Oxygen Deficient Zone. Deep Sea Research Part II.

    Jayakumar A., Chang B. X, Widner B., Bernhardt P., Mulholland M. R., Ward B. B. 2017. Biological nitrogen fixation in the oxygen minimum region of the eastern tropical North Pacific Ocean.  The ISME Journal. doi:10.1038/ismej.2017.97

    Shah V., Chang B. X, Morris R. M.  2016.  Cultivation of a chemoautotroph from the SUP05 clade of marine bacteria that produces nitrite and consumes ammonium.  The ISME Journal.  doi: 10.1038/ismej.2016.87

    Chang B. X, Rich J. J., Jayakumar A., Naik H., Pratihary A, Keil R. G., Ward B. B., Devol A. H.  2014.  The effect of organic carbon on fixed nitrogen loss in the eastern tropical South Pacific and Arabian Sea oxygen deficient zones.  Limnology & Oceanography.  DOI: 10.4319/lo.2014.59.4.1267

    Morales L. V., Granger J., Chang B. X, Prokopenko M. G., Plessen B., Sigman D. M.  2014.  Elevated 15N/14N in particulate organic matter, zooplankton, and diatom frustule-bound nitrogen in the ice covered water column of the Bering Sea eastern shelf.  Deep Sea Research Part II.  DOI: 10.1016/j.dsr2.2014.05.008

    Prokopenko M. G., Hirst M. B., De Brabandere L., Berelson W. M., Lawrence D. J., Granger J., Chang B. X, Dawson S., Crane E. J., Chong L., Thamdrup B.,         Sigman D. M.  2013.  Thioploca/anammox consortia drive nitrogen losses in anoxic marine sediments.  Nature.  DOI: 10.1038/nature12365.

    Chang B. X, Devol A. H., Emerson S. R.  2012. Fixed nitrogen loss from the eastern tropical North Pacific and Arabian Sea oxygen deficient zones determined from measurements of N2:Ar.  Global Biogeochemical Cycles.  DOI: 10.1029/2011GB004207

    DeVries T., Deutsch C., Primeau F., Chang B. X, Devol A. H.  2012.  Global rates of water-column denitrification derived from nitrogen gas measurements.  Nature Geoscience.  DOI: 10.1038/ngeo1515

    Bourbonnais A., Juniper S. K., Butterfield D. A., Devol A. H., Kuypers M. M. M., Lavik G., Hallam S. J., Wenk C. B., Chang B. X., Murdock S. A., Lehmann M. F.  2012.  Activity and abundance of denitrifying bacteria in the subsurface biosphere of diffuse hydrothermal vents of the Juan de Fuca Ridge.  Biogeosciences.  DOI: 10.5194/bg-9-4661-2012

    Chang B. X, Devol A. H., Emerson S. R.  2010.  Nitrogen gas and denitrification in the eastern tropical South Pacific oxygen deficient zone.  Deep-Sea Research Part I.  DOI: 10.1016/j.dsr.2010.05.009

    Ward B. B., Devol A. H., Rich J. J., Chang B. X, Bulow S. E., Naik H., Pratihary A., Jayakumar A.  2009.  Denitrification as the dominant nitrogen loss process in the Arabian Sea.  Nature.  DOI: 10.1038/nature08276

    Chang B. X and Devol A. H.  2009.  Seasonal and spatial patterns of sedimentary denitrification in the Chukchi Sea.  Deep Sea Research Part II.  DOI: 10.1016/j.dsr2.2008.10.024

    Ullman W. J., Chang B., Miller D. C., Madsen J. A.  2003.  Groundwater mixing, nutrient diagenesis, and discharges across a sandy beachface, Cape Henlopen, Delaware (USA).  Estuarine, Coastal, and Shelf Science.  DOI: 10.1016/s0272-7714(02)00398-0