University of Hawaii

Brian N. Popp

Select Publications

Carbon Isotope Fractionation in Marine Microalgae

Popp, B. N., Bidigare R. R., Deschenes B., Laws E. A., Prahl F. G., Tanimoto J. K. and Wallsgrove R. J. (2006) A new method for estimating growth rates of alkenone-producing haptophytes, Limnology and Oceanography Methods, 4, 114-129.

Popp B. N., Laws E. A., Bidigare R. R., Dore J. E., Hanson K. L. and Wakeham S. G. (1998) Effect of phytoplankton cell geometry on carbon isotopic fractionation. Geochimica et Cosmochimica Acta, 62, 69-77.

Laws E. A., Popp B. N., Bidigare R. R., Kennicutt M. C. and Macko S. A. (1995) Dependence of phytoplankton carbon isotopic composition on growth rate and [CO2]aq: Theoretical considerations and experimental results. Geochimica et Cosmochimica Acta, 59, 1131-1138.

Controls on Alkenone Unsaturation and the Ecology of Alkenone-Producing Algae

Popp, B. N., Prahl F. G., Wallsgrove R. J. and Tanimoto J. (2006) Seasonal patterns of alkenone production in the subtropical oligotrophic North Pacific, Paleoceanography, 21, PA1004, doi:10.1029/2005PA001165.

Prahl F. G., Popp B. N., Karl D. M., and Sparrow M. A. (2005) Ecology and biogeochemistry of alkenone production at subtropical North Pacific Station ALOHA. Deep-Sea Research I, 52, 699-719.

Origins and Cycling of N2O and CH4 in Seawater

Westley M. B., Popp B. N. and Rust T. M. (2007) The calibration of the intramolecular nitrogen isotope distribution in nitrous oxide measured by isotope ratio mass spectrometry. Rapid Communications in Mass Spectrometry 21, 391-405, doi: 10.1002/rcm.2828.

Westley M. B., Yamagishi H, Popp B. N. and Yoshida N. (2006) Nitrous oxide cycling in the Black Sea inferred from stable isotope and isotopomer distributions, Deep-Sea Research II 53, 1802-1816, doi:10.1016/j.dsr2.2006.03.012.

Coupling between N2 Fixation and Denitrification

White A. E., Prahl F. G., Letelier R. M and Popp B. N. (2007) Summer surface waters in the Gulf of Mexico: prime habitat for biological N2 fixation. Global Biogeochemical Cycles 21, GB2017, doi:10.1029/2006GB002779.

Isotope Ecology of Marine Organisms

Popp B. N., Graham B. S., Olson R. J., Hannides C. C. S., Lott M. J., Lopez-Ibarra G. A., Galvan-Magana F. and Fry B. (2007) Insight into the trophic ecology of yellowfin tuna, Thunnus albacares, from compound-specific nitrogen isotope analysis of protenaceous amino acids. In Dawson T. and Siegwolf R. (eds) Stable Isotopes as Indicators of Ecological Change, Elsevier Academic Press, Terrestrial Ecology Series p. 173-190.

Graham B. S., Grubbs D., Holland K. and Popp B. N. (2007) A rapid ontogenetic shift in the diet of juvenile yellowfin tuna from Hawaii, Marine Biology 150, 647-658, DOI 10.1007/s00227-006-0360-y.

Bacterial and Archaeal Ammonia Oxidation

Southwell M. W., Popp B. N. and Martens C. S. (2007) Nitrification controls in fluxes and isotopic composition of nitrate from Florida Keys sponges. Marine Chemistry (in press).

Beman J. M., Popp B. N. and Francis C. A.(2007)  Molecular and biogeochemical evidence for ammonia oxidation by marine Crenarchaeota in the Gulf of California. The ISME Journal (submitted).

Holocene Climate Change in Hawaii

Uchikawa J., Popp B. N., Schoonmaker J. E. and Le X. (2007) Direct application of compound-specific radiocarbon analysis of leaf waxes for establishment of lacustrine sediment chronology, Journal of Paleolimnology, DOI 10.1007/s10933-007-9094-1.

Open Ocean Collection of Top Pelagic Predators

Sorry, my secret!

Below are representative publications for each of my research interests. A full list of publications and select PDF copies of papers can be found at