Biogeochemical Stable Isotope Facility

School of Ocean and Earth Science and Technology

Popp Lab Publications (partial list)

Kwon, S. Y., Blum, J. D., Madigan, D. J., Block, B. A., & Popp, B. N. (2016). Quantifying mercury isotope dynamics in captive Pacific bluefin tuna (Thunnus orientalis). Elementa: Science of the Anthropocene4(1), 000088.

Tolar, B. B., Ross, M. J., Wallsgrove, N. J., Liu, Q., Aluwihare, L. I., Popp, B. N., & Hollibaugh, J. T. (2016). Contribution of ammonia oxidation to chemoautotrophy in Antarctic coastal waters. The ISME journal.

Bradley, C. J., Wallsgrove, N. J., Choy, C. A., Drazen, J. C., Hetherington, E. D., Hoen, D. K., & Popp, B. N. (2015). Trophic position estimates of marine teleosts using amino acid compound specific isotopic analysis.Limnology and Oceanography: Methods13(9), 476-493.

Choy, C. A., Popp, B. N., Hannides, C., & Drazen, J. C. (2015). Trophic structure and food resources of epipelagic and mesopelagic fishes in the North Pacific Subtropical Gyre ecosystem inferred from nitrogen isotopic compositions. Limnology and Oceanography60(4), 1156-1171.

Hannides, C., Drazen, J. C., & Popp, B. N. (2015). Mesopelagic zooplankton metabolic demand in the North Pacific Subtropical Gyre. Limnology and Oceanography60(2), 419-428.

Hunt, T., Larsen, T., Close, H., Jarman, J., & Popp, B. (2015). Why terrestrial diets in island environments? Evolutionary considerations of isotopic results from Rapa Nui. In The 80th Annual Meeting of the Society for American Archaeology

Hussey, N. E., MacNeil, M. A., Siple, M. C., Popp, B. N., Dudley, S. F., & Fisk, A. T. (2015). Expanded trophic complexity among large sharks. Food Webs4, 1-7.

Lorrain, A., Graham, B. S., Popp, B. N., Allain, V., Olson, R. J., Hunt, B. P., ... & Kaehler, S. (2015). Nitrogen isotopic baselines and implications for estimating foraging habitat and trophic position of yellowfin tuna in the Indian and Pacific Oceans. Deep Sea Research Part II: Topical Studies in Oceanography113, 188-198.

Nielsen, J. M., Popp, B. N., & Winder, M. (2015). Meta-analysis of amino acid stable nitrogen isotope ratios for estimating trophic position in marine organisms. Oecologia178(3), 631-642.

Papastamatiou, Y., Meyer, C. G., Kosaki, R. K., Wallsgrove, N. J., & Popp, B. N. (2015). Movements and foraging of predators associated with mesophotic coral reefs and their potential for linking ecological habitats.Marine Ecology Progress Series.

Arthur, K. E., Kelez, S., Larsen, T., Choy, C. A., & Popp, B. N. (2014). Tracing the biosynthetic source of essential amino acids in marine turtles using δ13C fingerprints. Ecology95(5), 1285-1293.

Bradley, C. J., Madigan, D. J., Block, B. A., & Popp, B. N. (2014). Amino Acid Isotope Incorporation and Enrichment Factors in Pacific Bluefin Tuna, Thunnus orientalisPloS one9(1), e85818.

Hoen, D. K., Kim, S. L., Hussey, N. E., Wallsgrove, N. J., Drazen, J. C., & Popp, B. N. (2014). Amino acid 15N trophic enrichment factors of four large carnivorous fishes. Journal of Experimental Marine Biology and Ecology453, 76-83.

Madigan, D. J., Baumann, Z., Carlisle, A. B., Hoen, D. K., Popp, B. N., Dewar, H., ... & Fisher, N. S. (2014). Reconstructing transoceanic migration patterns of Pacific bluefin tuna using a chemical tracer toolbox. Ecology95(6), 1674-1683.

Penton, C. R., Deenik, J. L., Popp, B. N., Bruland, G. L., Engstrom, P., Mueller, J., ... & Tiedje, J. M. (2014). Assessing Nitrogen Transformations in a Flooded Agroecosystem Using the Isotope Pairing Technique and Nitrogen Functional Gene Abundances. Soil Science.

Vander Zanden, H. B., Arthur, K. E., Bolten, A. B., Popp, B. N., Lagueux, C. J., Harrison, E., & Campbell, C. L. (2014). OLIVE RIDLEY PROJECT: ACTIVELY FIGHTING GHOST NETS IN THE INDIAN OCEAN. INDIAN OCEAN TURTLE NEWSLETTER69(4), 23.

Wolhowe, M. D., Prahl, F. G., White, A. E., Popp, B. N., & Rosas-Navarro, A. (2014). A biomarker perspective on coccolithophorid growth and export in a stratified sea. Progress in Oceanography122, 65-76.

Beman, J. M., Shih, J. L., & Popp, B. N. (2013). Nitrite oxidation in the upper water column and oxygen minimum zone of the eastern tropical North Pacific Ocean. The ISME journal7(11), 2192-2205.

Blum, J. D., Popp, B. N., Drazen, J. C., Choy, C. A., & Johnson, M. W. (2013). Methylmercury production below the mixed layer in the North Pacific Ocean. Nature Geoscience6(10), 879-884.

Décima, M., Landry, M. R., & Popp, B. N. (2013). Environmental perturbation effects on baseline d15N values and zooplankton trophic flexibility in the southern California Current Ecosystem. Limnol. Oceanogr58(2), 624-634.

Hannides, C. C., Popp, B. N., Choy, C. A., & Drazen, J. C. (2013). Midwater zooplankton and suspended particle dynamics in the North Pacific Subtropical Gyre: A stable isotope perspective. Limnol. Oceanogr58(6), 1931-1946.

Penton, C. R., Deenik, J. L., Popp, B. N., Bruland, G. L., Engstrom, P., St Louis, D., & Tiedje, J. (2013). Importance of sub-surface rhizosphere-mediated coupled nitrification–denitrification in a flooded agroecosystem in Hawaii. Soil Biology and Biochemistry57, 362-373.

Vander Zanden, H. B., Arthur, K. E., Bolten, A. B., Popp, B. N., Lagueux, C. J., Harrison, E., ... & Bjorndal, K. A. (2013). Trophic ecology of a green turtle breeding population. Marine Ecology Progress Series476, 237-249.

White, A. E., Foster, R. A., Benitez-Nelson, C. R., Masqué, P., Verdeny, E., Popp, B. N., ... & Prahl, F. G. (2013). Nitrogen fixation in the Gulf of California and the Eastern Tropical North Pacific. Progress in Oceanography109, 1-17.

Beman, J. M., Popp, B. N., & Alford, S. E. (2012). Quantification of ammonia oxidation rates and ammonia-oxidizing archaea and bacteria at high resolution in the Gulf of California and eastern tropical North Pacific Ocean. Limnol. Oceanogr57(3), 711-726.

Choy, C. A., Davison, P. C., Drazen, J. C., Flynn, A., Gier, E. J., Hoffman, J. C., ... & Sutton, T. T. (2012). Global trophic position comparison of two dominant mesopelagic fish families (Myctophidae, Stomiidae) using amino acid nitrogen isotopic analyses. PloS one7(11), e50133

Madigan, D. J., Litvin, S. Y., Popp, B. N., Carlisle, A. B., Farwell, C. J., & Block, B. A. (2012). Tissue turnover rates and isotopic trophic discrimination factors in the endothermic teleost, Pacific Bluefin Tuna (Thunnus orientalis). PloS one7(11), e49220.

O’Malley J. M., Drazen J. C., Popp B. N., Gier E., Toonen R. J. (2012). Spatial Variability in Growth and Prey Availability of Lobsters in the Northwestern Hawaiian Islands. Marine Ecology Progress Series 449, 211-220.

Seminoff, J. A., Benson, S. R., Arthur, K. E., Eguchi, T., Dutton, P. H., Tapilatu, R. F., & Popp, B. N. (2012). Stable isotope tracking of endangered sea turtles: validation with satellite telemetry and δ15N analysis of amino acids. PLoS One7(5), e37403.

Kalansky J. F., Robinson R. S. and Popp B. N. (2011). Insights into nitrogen cycling in the western Gulf of California from nitrogen isotopic composition of diatom-bound organic matter. Geochemistry, Geophysics, and Geosystems 12, Q06015, doi:10.1029/2010GC003437.

Dale J. J., Wallsgrove N. J., Popp B. N. and Holland K. (2011). Foraging ecology and nursery habitat use of a benthic stringray from stomach content, bulk and amino acid stable isotope analysis. Marine Ecology Progress Series 44:221-236.

Décima, M., Landry, M. R., & Popp, B. N. (2011). The 1998/1999 El Niño Southern Oscillation event and the isotopic content of amino acids in California Current zooplankton: effects on baseline 15N and trophic structure.Mesozooplankton trophic variability in a changing ocean, 145.

Beman J. M., Chow C.-E., King A., Feng Y., Fuhrman J., Andersson A., Bates N. R., Popp B. N. and Hutchins D. (2011). Global declines in marine nitrification rates as a consequence of ocean acidification. Proceeding of the National Academy of Sciences 108:208-211,

Christman G. D., Cottrell M. T., Popp B. N., Gier E. and Kirchman D. L. (2011). Abundance, Diversity, and Activity of Ammonia-Oxidizing Prokaryotes in the Coastal Arctic Ocean in Summer and Winter. Applied and Environmental Microbiology, 77:2026-2034, doi:10.1128/AEM.01907-10.

Uchikawa J., Popp B. N., Schoonmaker J. E., Timmermann A. and Lorenz S. J. (2010). Holocene aridification in Hawaii based on geochemical and climate modeling evidence: Dynamic response to a weakening of the equatorial cold tongue. Quaternary Science Reviews 29: 3057-3066, doi:10.1016/j.quascirev.2010.07.014.

Olson R. J., Popp B. N., Graham B. S., Lopez-Ibarra G. A., Galvan-Magana F., Lennert-Cody C. E., Bocanegra-Castillo N., Wallsgrove N. J., Gier E., Alatorre-Ramirez V., Ballance L. T. and Fry B. (2010). Food web inferences of stable isotope spatial patterns in copepods and yellofin tuna in the pelagic eastern Pacific Ocean. Progress in Oceanography 86: 124-138, doi:10.1016/j.pocean.2010.04.026.

Hannides, C. C. S., M. R. Landry, and B. N. Popp. (2010). Understanding climate-driven change in zooplankton communities: a case study from the North Pacific Subtropical Gyre. ICES Journal of Marine Science 300: 35–39.

Lorrain A., Graham B., Menard F., Popp B. N., Bouillon S. van Breugel P. and Cherel Y. (2009). Nitrogen and carbon isotope values of individual amino acids: a tool to study foraging ecology of penguins in the Southern Ocean. Marine Ecology Progress Series 391: 293-306, doi: 10.3354/meps08215.

Choy C. A., Popp B. N., Kaneko J. J. and Drazen J. C. (2009).The influence of depth on mercury levels in pelagic fishes and their prey. Proceeding of the National Academy of Sciences 106: 13865-13869,  cgi/doi/10.1073/pnas.0900711106.

Hannides C. C. S., Popp B. N., Landry M. R. and Graham B. S. (2009). Quantitative determination of zooplankton trophic position using amino acid-specific stable nitrogen isotope analysis. Limnology and Oceanography 54: 50-61.

Drazen J. C., Popp B. N., Choy C. A., Clemente T., DeForest L. and Smith K. L. Jr. (2008). Short-Circuiting the abyssal benthic food-web: macrourid diet in the eastern North Pacific inferred from stomach content and stable isotopes analyses. Limnology and Oceanography 53: 2644-2654.

Priscu J. C., Christner B. C., Dore J. E., Westley M. B., Popp B. N., Casciotti K. L. and Lyons W. B. (2008). Supersaturated N2O in a perennially ice-covered Antarctic lake: Molecular and stable isotopic evidence for a biogeochemical relict. Limnology and Oceanography, 53: 2439-2450.

Smith S. V., Ibarra-Obando S. E., Diaz-Castaneda V. M., Aranda-Manteca F. J., Carriquiry J. D., Popp B. N. and Gonzalez-Yajimovich (2008). Sediment organic carbon in Todos Santos Bay, Baja California, Mexico, Estuaries and Coasts 31: 719-727, doi 10.1007/s12237-008-9054-7.

Malinverno E., Prahl F. G., Popp B. N. and Ziveri P. (2008). Alkenone abundance and its relationship to the coccolithophore assemblage in Gulf of California surface waters. Deep-Sea Research I 55: 1118-1130, doi:10.1016/j.dsr.2008.04.007 .

Lam P. Cowen J. P., Popp B. N. and Jones R. D. (2008). Microbial ammonia oxidation and enhanced nitrogen cycling in the Endeavour hydrothermal plume. Geochimica et Cosmochimica Acta 72: 2268-2286, doi:10.1016/j.gca.2008.01.033.

Beman J. M., Popp B. N. and Francis C. A.(2008). Molecular and biogeochemical evidence for ammonia oxidation by marine Crenarchaeota in the Gulf of California. The ISME Journal 2: 429-441, doi:10.1038/ismej.2007.118.

Knies J., Mann U. Popp B. N., Stein R. and Brumsack H. J. (2008). Surface water productivity and paleoceanographic implications in the Cenozoic Arctic Ocean. Paleoceanography 23: PA1S16, doi:10.1029/2007PA001470.

Southwell M. W., Popp B. N. and Martens C. S. (2008). Nitrification controls in fluxes and isotopic composition of nitrate from Florida Keys sponges. Marine Chemistry 108: 96-108, doi:10.1016/j.marche,.2007.10.005.

Uchikawa J., Popp B. N., Schoonmaker J. E. and Le X. (2008). Direct application of compound-specific radiocarbon analysis of leaf waxes for establishment of lacustrine sediment chronology. Journal of Paleolimnology 39: 43-60, doi: 10.1007/s10933-007-9094-1.

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.

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.

Yamagishi H., Westley M. B., Popp B. N., Toyoda S., Yoshida N., Watanabe S., Koba K. and Yamanaka Y. (2007). Role of nitrification and denitrification on the nitrous oxide cycle in the eastern tropical North Pacific and Gulf of California. Journal of Geophysics Research 112: G02015, doi10.1029/2006JG000227.

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.

Paquayl, F.S., MacKenzie F.T., Borges A.V (2007). Carbon dioxide dynamics in rivers and coastal waters of the “Big Island” of Hawaii, USA, during baseline and heavy rain conditions. Aquatic Geochemistry 13(1): 1-18, doi: 10.1007/s10498-006-9005-5.

S.L. Mincks, C.R. Smith, R.M. Jeffreys, P.Y. Sumida (2006). Food web structure and uptake of seasonal bloom detritus by benthic megafauna on the West Antarctic Peninsula shelf. Deep-sea Research II 55: 2502-2514.

Graham B.S., Grubbs D., Holland K., Popp B.N. (2007). A rapid ontogenetic shift in the diet of juvenile yellowfin tuna from Hawaii. Marine Biology 150(4): 647-658.  

Cassar, N., Laws E.A., Popp B.N. (2006). Carbon isotopic fractionation of the marine diatom Phaeodactylum tricornutum under nutrient- and light-limited growth conditions. Geochemica et Cosmochemica Acta 70(21): 5323-5335.  

Soudry, D., Glenn C.R., Nathan Y., Segal I., Vonderhaar D. (2006).  Evolution of Tethyan phosphogenesis along the northern edges of the Arabian-African shield during the Cretaceous-Eocene as deduced from temporal variations of Ca and Nd isotopes and rates of P accumulation. Earth-Science Reviews 78 (1-2): 27-57.  

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.

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.

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

Komor, S.C., and M.J. Mottl. (2005). Data report: stable isotope compositions of dissolved inorganic carbon, methane, sulfate, and sulfide in pore water from the South Chamorro serpentinite mud volcano, Mariana subduction complexProc. ODP, Sci. Results 195.  

Gharib JJ, Sansone FJ, Resing JA, et al. (2005). Methane dynamics in hydrothermal plumes over a superfast spreading center: East Pacific Rise, 27.5 degrees-32.3 degrees S. Journal of Geophysical Research-Solid Earth 110 (B10): Art. No. B10101.  

Olson, R., J. Young, V. Allain, and F. Galván-Magaña. (2005). OFCCP workshop on the application of stable isotopes in pelagic ecosystems, La Paz, B.C.S., Mexico, 31 May-1 June 2004. GLOBEC Newsletter 11 (1): 42-44.  

Smith, J.E., Runcie J.W., Smith C.M. (2005). Characterization of a large-scale ephemeral bloom of the green alga Cladophora sericea on the coral reefs of West Maui, Hawai'i. Marine Ecology-Progress Series 302: 77-91.  

Yamagishi H., Yoshida N.,  Toyoda S., Watanabe S., Westley M. B., and Popp B. N. (2005). Significant contributions of denitrification and mixing on the distribution of nitrous oxide in the North Pacific. Geophysical Research Letters 32: L04603, doi:10.1029/2004GL021458.

Fletcher C. H. III, Murray-Wallace C. V., Glenn C. R., Sherman C. E., Popp B. N. and Hessler A. (2005). Age and origin of Late Quaternary Eolianite, Kaiehu Point (Moomomi), Molokai, Hawaii. Journal of Coastal Research 81(42): 97-112.

Nevison C. D., Keeling R. F., Weiss R. F., Popp B. N., Jin X., Porter L. W. and Hess P. G. (2005). Southern Ocean ventilation inferred from seasonal cycles of atmospheric N2O and O2/N2 at Cape Grim, Tasmania, Tellus B 57(3):218-229.

Sansone,  F.J., Graham A.W., Berelson W.M. (2004). Methane along the western Mexican margin. Limnology and Oceanography 49(6): 2242-2255.

Gaidos E., Lanoil B., Thorsteinsson, T., Graham, A., Skidmore, M., Han S-K, Rust T. M., and Popp B. N. (2004). A Viable Microbial Community in a Subglacial Volcanic Crater Lake, Iceland, Astrobiology 4: 327-344.

Prahl F. G., Popp B. N., Karl D. M., and Sparrow M. A. (2004). Ecology and biogeochemistry of alkenone production at subtropical North Pacific Station ALOHA. Deep-Sea Res. I 52: 699-719.

Kenig F., Hudson J. D., Sinninghe Damsté J. S. and Popp B. N. (2004). Intermittent euxinia: Reconciliation of a Jurassic black-shale with its biofacies, Geology 32: 421-424.

Mottl, M.J., S.C. Komor, P. Fryer, and C.L. Moyer. (2003). Deep-slab fluids fuel extremophilic Archaea on a Mariana forearc serpentinite mud volcano: Ocean Drilling Program Leg 195Geochemistry, Geophysics, Geosystems 4(11): 9009, doi:10.1029/2003GC000588, 14pp.

Cassar N., Laws E. A., Bidigare R. R. and Popp B. N. (2003). Bicarbonate uptake by Southern Ocean phytoplankton, Global Biogeochem. Cycles 18, Paper number 2003GB002116

Klusman, R.W. (2003). Evaluation of leakage potential from a carbon dioxide EOR/sequestration project. Energy Conversion and Management 44: 1921-1940.

Klusman, R.W. (2003). Rate measurements and detection of gas microseepage to the atmosphere from an enhanced oil recovery/sequestration project, Rangely, Colorado, USA. Applied Geochemistry 18: 1825-1838.

Klusman, R.W. (2003).  A Geochemical perspective and assessment of leakage potential for a mature carbon dioxide-enhanced oil recovery project and as a prototype for carbon dioxide sequestration: Rangely field, Colorado. AAPG Bulletin  87(9): 1485-1507.

Klusman, R.W. (2003). Computer modeling of methanotrophic oxidation of hydrocarbons in the unsaturated zone from an enhanced oil recovery/sequestration project, Rangely, Colorado, USA. Applied Geochemistry 18: 1839-1852.

Cowen J. P., Wen X., and Popp B. N.(2002). Methane in aging hydrothermal plumes. Geochimica et Cosmochimica Acta 66: 3563-3571.

Popp, B.N., M.B. Westley, S. Toyoda, T. Miwa, J.E. Dore, N. Yoshida, T.M. Rust, F.J. Sansone, M.E. Russ, N.E. Ostrom, and P. Ostrom.  (2002). Nitrogen and oxygen isotopomeric constraints on the origins and sea-to-air flux of N2O in the oligotrophic subtropical North Pacific gyre.  Global Biogeochem. Cycles 16, doi: 10.1029/2001GB001806.

Laws E. A., Popp B. N., Cassar N., and Tanimoto J. (2002).  13C discrimination patterns in oceanic phytoplankton: likely influence of CO2 concentrating mechanisms, and implications for palaeoreconstructions. Functional Plant Biology 29: 323-333.

Dore, J. E., J. R. Brum, L. Tupas and D. M. Karl. (2002). Seasonal and interannual variability in sources of nitrogen supporting export in the oligotrophic subtropical North Pacific Ocean. Limnology and Oceanography 47: 1595-1607.

Cassar N., Laws E. A., Popp B. N. and Bidigare R. R. (2002). Sources of inorganic carbon for photosynthesis in a strain of Phaeodactylum tricornutum. Limnology and Oceanography 47: 1192-1197.

Sansone, F.J., B.N. Popp, A. Gasc, T.M. Rust, and A.W. Graham (2001). Highly elevated methane in the eastern tropical North Pacific and associated isotopically enriched fluxes to the atmosphere. Geophys. Res. Lett. 28: 4567-4570.

Sansone F. J., Popp B. N., Gasc A., Graham A. W., and Rust T. M. (2001). Highly elevated methane in the eastern tropical North Pacific and the associated release of isotopically enriched methane to the atmosphere. Geophysical Research Letters 28: 4567-4570, Paper number 2001GL013460.

Valentine, D. L., Blanton, D. C., Reeburgh, W. S., and M. Kastner. (2001). Water column methane oxidation adjacent to an area of active hydrate dissociation, Eel River Basin. Geochimica et Cosmochimica Acta 65:2633-2640.

Westley, M.B., Popp, B.N., Rust, T.M. and Sansone, F.J. (2001). Sources and isotopic compositions of nitrous oxide in the subtropical North Pacific and the eastern tropical North Pacific. Proceedings of the First International Symposium on Isotopomers, 23-26 July 2001, Yokohama, Japan.

Berner R. A., Petsch S. T., Lake J. A., Beering D. J., Popp B. N., Lane R. S., Laws E. A., Westley M. B., Cassar N., Woodward F. I. and Quick W. P. (2000). Isotope fractionation and atmospheric oxygen:  Implications for Phanerozoic O2 evolution. Science, 287: 1630-1633.

Holmes, M.E., F.J. Sansone, T.M. Rust, and B.N. Popp. (2000). Methane production, consumption and air-sea exchange in the open ocean: An evaluation based on carbon isotopic ratios. Global Biogeochem. Cycles 14: 1-10. 

Ostrom N. E., Russ M. E., Popp B. N., Rust T. M. and Karl D. M. (2000). Mechanisms of N2O production in the subtropical North Pacific based on determinations of the isotopic abundances of N2O and O2. Chemosphere – Global Change Science 2: 281-290.

Laws E. A., Popp B. N., Bidigare R. R., Riebesell U., Burkhardt S., and Wakeham S. G. (2000). Controls on the molecular distribution and carbon isotopic composition of alkenones in certain haptophyte algae. Geochemistry, Geophysics, and Geosystems 2, Paper number 2000GC000057

Kenig F., Popp B. N. and Summons R. (2000). Preparative HPLC with Ultrastable-Y zeolite for compound-specific carbon isotopic analyses. Organic Geochemistry 31: 1087-1094.