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Abbott, M. R., and R. M. Letelier, "Decorrelation scales of chlorophyll as observed from bio-optical drifters in the California Current", Deep Sea Res., v45, 1639-1667 (1998).

Abbott, M. R., and R. M. Letelier, "Going with the flow - The use of optical drifters to study phytoplankton dynamics", in Monitoring Algal Blooms: New Techniques for Detecting Large-Scale Environmental Change, M. Kahru and C. W. Brown, eds., 143-168 (Landes Bioscience, Austin, 1997).

Abbott, M. R., and R. M. Letelier, "Bio-optical drifters - Scales of variability of chlorophyll and fluorescence", in Ocean Optics XIII, SPIE proceedings, v2963, 216-221 (1997).

Abbott, M. R., R. M. Letelier, S. Laney, and J. S. Bartlett, "Field and laboratory measurements of passive fluorescence and applications to MODIS data",  in Proceedings of SPIE (Ocean Optics XV) CD-ROM  (Palos Verdes Estates, CA, 2000).

Abbott, M. R., J. G. Richman, R. M. Letelier, and J. S. Bartlett,  "The spring bloom in the Antarctic Polar Frontal Zone as observed from a mesoscale array of bio-optical sensors", Deep-Sea Res. II, 47, 3285-3314 (2000).

Abbott, M. R., J. G. Richman, J. S. Nahorniak, and B. S. Barksdale,  "Meanders in the Antarctic Polar Frontal Zone and their impact on phytoplankton", Deep-Sea Res. II, 48, 3891-3912 (2001).

Agrawal, Y.C., A. Whitmire, O. A. Mikkelsen, and H. C. Pottsmith, "Light scattering by random shaped particles and consequences on measuring suspended sediments by laser diffraction", J. Geophys. Res., 113, C04023, doi: 10.1029/2007JC004403 (2008).

Alderkamp, A-C, J.C. Nejstgaard, P.G. Verity, M.J. Zirbel, A.F. Sazhin, M. van Rijssel, "Dynamics in carbohydrate composition of Phaeocystis pouchetii colonies during spring blooms in mesocosms." Journal of Sea Research, 55, 169-181 (2006).

Bartlett, J. S., M. R. Abbott, R. M. Letelier, and J. G. Richman, "Chlorophyll concentration estimated from irradiance measurements at fluctuating depths", in Ocean Optics XIV Conference Papers, proceedings from a conference in Kailua-Kona (Office of Naval Research, 1998).  (Poster version also available.)

Bartlett, J. S., M. R. Abbott, and R. M. Letelier, "Phytoplankton Fluorescence from MODIS", talk presented at the MODIS Science Team Meeting (College Park, June 2000).

Behrenfeld, M.J., R.T. O’Malley, D.A. Siegel, C.R. McClain, J.L. Sarmiento, G.C. Feldman, A.J. Milligan, P.G. Falkowski, R.M. Letelier, E.S.Boss, "Climate-driven trends in contemporary ocean productivity", Nature (in press, 2006).

Chang, G.C., K. Mahoney, A. Briggs-Whitmire, D. Kohler, C. Mobley, M. Moline, M. Lewis, E. Boss, M. Kim, W. Philpot, and T. Dickey, "The new age of hyperspectral oceanography", Oceanography, 17(2), 22-29 (2004).

Chang, G. and A.L. Whitmire, "Effects of bulk particle characteristics on backscattering and optical closure", Opt. Express 17, 2132-2142 (2009).

Chang, G. and A. L. Whitmire, "Particles, the backscattering ratio and their effects on remote sensing: toward solving the inverse problem in ocean optics", Ocean Optics XIX Conference, Barga, Italy (2008).

Church, M.J., H.W. Ducklow, R.M. Letelier, and D.M. Karl, "Temporal dynamics in heterotrophic picoplankton productivity in the subtropical North Pacific Ocean", Aquat. Microb. Ecol., (in press, 2006).

Corno, G., R.M. Letelier, M.R. Abbott, and D.M. Karl. "Assessing primary production variability in the North Pacific subtropical gyre: A comparison of Fast Repetition Rate fluorometry and 14C measurements", J. Phycol., 42,  51-60 (2005).

Desiderio, R.A., S.R. Laney, R.M. Letelier, and S.J. Giovannoni. "Using lasers to probe the transient light absorption by proteorhodopsin in marine bacterioplankton", Appl. Optics., 46, 7331-7336 (2007).

Essaias, W. et al., "An overview of MODIS capabilities for ocean science observations", IEEE Transactions of Geoscience and Remote Sensing, 36(4), 1250-1265 (1998).

Fennel, K., Y. H. Spitz, R. M. Letelier, M. R. Abbott, and D. M. Karl,  "A deterministic model for N2 fixation at the HOT site in the subtropical North Pacific", Deep-Sea Res. II, 49, 149-174 (2001).

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, "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 (2009).

Hoge, F. E., P. E. Lyon, R. N. Swift, J. K. Yungel, M. R. Abbott, R. M. Letelier, and W. E. Esaias, "Validation of Terra-MODIS phytoplankton chlorophyll fluorescence line height. I. Initial airborne lidar results", Appl. Optics, 42, 2767-2771 (2003).

Karl, D. M, R. R. Bidigare and R. M. Letelier, "Long-term changes in plankton community structure and productivity in the subtropical North Pacific Ocean: The domain shift hypothesis", Deep-Sea Res. II, 48: 1449-1470 (2001).

Karl, D. M., R. Bidigare, and R. M. Letelier, "Sustained Seasonal and Interannual Variability of Phytoplankton Processes in the North Pacific Subtropical Gyre" In: P. J. Le B. Williams, D. N. Thomas, and C. Reynolds (eds.), Phytoplankton Productivity: Carbon Assimilation in Marine and Freshwaters Ecosystems, p. 222-264, Blackwell Science Ltd., Oxford, U.K. (2002).

Karl, D. M., K. M. Björkman, J. E. Dore, L. Fujieki, D. V. Hebel, T. Houlihan, R. M. Letelier, and L. M. Tupas, "Ecological Nitrogen-to-Phosphorus Stoichiometry at Station ALOHA", Deep-Sea Res. II, 48: 1529-1566 (2001).

Karl, D. M., J. R. Christian, J. E. Dore, D. V. Hebel, R. M. Letelier, L. M. Tupas, and C. D. Winn, "Seasonal and interannual variability in primary production and particle flux at station ALOHA", Deep-Sea Res., 43, 539-568 (1996).

Karl, D. M., J. R. Christian, J. E. Dore, and R. M. Letelier, "Microbial oceanography in the region west of the Antarctic Peninsula: Microbial Dynamics, Nitrogen Cycle and Carbon Flux", In: R.R. Ross et al. (eds.), Foundations for Ecological Research West of the Antarctic Peninsula , pp. 303-332, American Geophysical Union, Antarctic Research Series 70 (1996).

Karl, D. M, D. Hebel, K. Bjorkman, and R. M. Letelier, "The role of dissolved organic matter exudation in the productivity of the oligotrophic North Pacific Ocean", Limnol. Oceanogr., 43(6), 1270-1286 (1998).

Karl, D. M., R. M. Letelier, D. V. Hebel, D. F. Bird, and C. V. Winn, "Trichodesmium blooms and new nitrogen in the North Pacific gyre", In: E. J. Carpenter et al. (eds.), Marine Pelagic Cyanobacteria: Trichodesmium and Other Diazotrophs, pp. 219-237, Kluwer Academic Publishers, Netherlands (1992).

Karl, D. M., R. M. Letelier, D. Hebel, L. Tupas, J. Dore, J. Christian, and C. Winn, "Ecosystem changes in the North Pacific subtropical gyre attributed to the 1991-1992 El Niño", Nature, 373, 230-234 (1995).

Karl, D. M., R. M. Letelier, L. Tupas, J. Dore, J. Christian, and D. Hebel, "The role of nitrogen fixation in biogeochemical cycling in the subtropical North Pacific Ocean", Nature, 388, 533-538 (1997).

Karl, D. M., A. Michaels, B. Bergman, D. G. Capone, E. Carpenter, R. Letelier, F. Lipschultz., H. Pearl, D. Sigma, and L. Stal, "Nitrogen fixation in the world’s oceans", Biogeochemistry, 57/58, 47-98 (2002).

Karl, D. M., A. Michaels, B. Bergman, D. G. Capone, E. Carpenter, R. Letelier, F. Lipschultz., H. Pearl, D. Sigma, and L. Stal, "Nitrogen fixation in the world’s oceans: Note added in proof", Biogeochemistry, 57/58, 517-519 (2002).

Landry, M. R., S. L. Brown, K. E. Selph, M. R. Abbott, R. M. Letelier, S. Christensen, R. R. Bidigare, and K. Casciotti, "Initiation of the spring phytoplankton increase in the Antarctic Polar Front Zone at 170°W", J. Geophys. Res., 106, 13903-13915 (2001).

Laney, S. R., "Assessing the errors in photosynthetic properties
determined with Fast Repetition Rate fluorometry", Limnol. Oceanogr., 48, 2234-2242 (2003).

Laney, S.R., and R.M. Letelier, "Artifacts in measurements of chlorophyll fluorescence transients, with specific application to fast repetition rate fluorometry", Limnol. Oceanogr. Meth., 6, 40-50 (2008).

Laney, S.R., R.M. Letelier, and M.R. Abbott, "Parameterizing the natural fluorescence kinetics of Thalassiosira weissflogii", Limnol. Oceanogr., 50(5), 1499-1510 (2005).

Laney, S. R., R. M. Letelier, R. A. Desiderio, M. R. Abbott, D. A. Kiefer, and C. R. Booth, "Measuring the natural fluorescence of phytoplankton cultures", J. Atmos. Ocean. Tech., 18, 1924-1934 (2001).

Lee, C., S. Henrichs, and R. Letelier, "Organic inventories workshop report", In: D. C. Hurd and D. W. Spencer (eds), Marine Particles: Analysis and Characterization, pp. 101-117, American Geophysical Union, Geophysical Monograph 63 (1991).

Letelier, R. M., and M. R. Abbott, "An analysis of chlorophyll fluorescence algorithms for the Moderate Resolution Imaging Spectrometer (MODIS)", Remote Sens. Environ., v58, 215-223 (1996).

Letelier, R. M., M. R. Abbott, and D. M. Karl, "Chlorophyll natural fluorescence response to upwelling events in the Southern Ocean", Geophys. Res. Lett., v24, 409-412 (1997).

Letelier, R. M, R. R. Bidigare, D. V. Hebel, M. Ondrusek, C. D. Winn, and D. M. Karl, "Temporal variability of phytoplankton community structure based in pigment analysis", Limmnol. Oceanogr., 38, 1420-1437 (1993).

Letelier, R. M., J. E. Dore, C. D. Winn, and D. M. Karl, "Seasonal and interannual variations in autotrophic carbon assimilation at Station ALOHA", Deep-Sea Res., 43, 467-490 (1996).

Letelier, R. M, D. M. Karl, "The role of Trichodesmium spp. in the productivity of the subtropical North Pacific Ocean", Mar. Ecol. Prog. Ser., 133, 263-273 (1996).

Letelier, R. M. and D. M. Karl, "Trichodesmium spp. physiology and nutrient fluxes in the North Pacific subtropical gyre", Aquatic Microbial Ecology, 15(3), 265-276 (1998).

Letelier, R. M., D. M. Karl, and M. R. Abbott, "Integration of research vessel, autonomous mooring and satellite time-series data to resolve biogeochemical variability in the North Pacific subtropical gyre", submitted (1999).

Letelier, R. M., D. M. Karl, M. R. Abbott, and R. R. Bidigare, "Light driven seasonal patterns of chlorophyll and nitrate in the lower euphotic zone of the North Pacific Subtropical Gyre", Limnol. Oceanogr., 49, 508-519 (2004).

Letelier, R. M., D. M. Karl, M. R. Abbott, P. Flament, M. H. Freilich, R. Lukas, and P. T. Strub, "Role of late winter mesoscale events in the biogeochemical variability of the upper water column of the North Pacific Subtropical Gyre", J. Geophys. Res., 105, 28,723-28,739 (2000).  Correction in J. Goephy. Res., 106, 7181-7182 (2000).

Mengelt, C., M. R. Abbott, J. A. Barth, R. M. Letelier, C. I. Measures, and S. Vink, "Phytoplankton pigment distribution in relation to the physics across the Antarctic Polar Front, 170°W", Deep-Sea Res. II, 48, 4081-4100 (2001).

Nahorniak, J. S., M. R. Abbott, R. M. Letelier, and W. S. Pegau, "Analysis of a method to estimate chlorophyll-a concentration from irradiance measurements at varying depths", J. Atmos. Ocean. Tech., 18, 2063-2073 (2001).

Nejstgaard, J.C., M.E. Frischer, P.G. Verity, J.T. Anderson, A. Jacobsen, M.J. Zirbel, A. Larsen, J. Martínez-Martínez, A.F. Sazhin, T. Walters, D.A. Bronk, S.J. Whipple, S.R. Borrett, B.C. Patten and J.D. Long,  "Plankton development and trophic transfer in sea water enclosures with nutrients and Phaeocystis pouchetii added", Marine Ecology Progress Series, 321, 99-121 (2006).

Venegas R. M., P. T. Strub, E. Beier, R. Letelier, A. C. Thomas, T. Cowles, C. James, L. Soto-Mardones, C. Cabrera, "Satellite-derived variability in chlorophyll, wind stress, sea surface height, and temperature in the northern California Current System", J. Geophys. Res., 113, C03015, doi:10.1029/2007JC004481 (2008).

Wetz, M. S., P. A. Wheeler, and R. M. Letelier, "Light induced growth of winter phytoplankton collected from the benthic boundary layer off Oregon, USA", Mar. Ecol. Prog. Ser., 208, 95-104 (2004).

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

White, A.E., Y. Spitz, D.M. Karl, and R.M. Letelier, "Flexible elemental stoichiometry in Trichodesmium spp. and it ecological implications", Limnol. Oceanogr., 51(4), 1777-1790 (2006).

White A.E., Y. H. Spitz and R. M. Letelier, 2007: Integrating remote sensing, moored and vessel based time-series records to quantify ecological determinants of summer bloom formation in the North Pacific subtropical gyre, Journal of Geophysical Research, submitted.

White, A.E., Y.H. Spitz, and R.M. Letelier, "Modeling carbohydrate ballasting by Trichodesmium spp.", Mar. Ecol. Prog. Ser., 323, 35-45 (2006).

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

Whitmire, A.L., "The spectral backscattering properties of marine particles", Ph.D. dissertation, Oregon State University, ScholarsArchive@OSU, http://hdl.handle.net/1957/9088 (2008).

Whitmire, A.L., E. Boss, T.J. Cowles, and W.S. Pegau, "Spectral variability of the particulate backscattering ratio", Optics Express, 15, 7019-7031 (2007).

Whitmire, A.L., G. Chang, A.H. Barnard, and T.J. Cowles, "Developing optical proxies as tools for coastal ecosystem monitoring", Ocean Sciences, Orlando, FL (2008).

Whitmire, A.L., R.M. Letelier, O. Ulloa, and V. Villagran, "Using autonomous profiling floats to characterize the spatial and temporal variability of marine microbes in a persistent oxygen minimum zone", Ocean Optics XIX Conference, Barga, Italy (2008).

Whitmire, A.L., R.M. Letelier, V. Villagran, and O. Ulloa, "Autonomous observations of in vivo fluorescence and particle backscattering in an oceanic oxygen minimum zone," Opt. Express 17, 21992-22004 (2009).

Winn, C. D., L. Campbell, J. R. Christian, R. M. Letelier, D. V. Hebel, J. E. Dore, L. Fujieki, and D. M. Karl, "Seasonal variability in the phytoplankton community of the North Pacific Subtropical Gyre", Global Biogeochem. Cycles, 9, 605-620 (1995).

Zirbel, M.J., C.B. Miller and H.P. Batchelder, "Staging egg development of marine copepods with DAPI and PicoGreen",  Limnology & Oceanography: Methods, in press (accepted Nov 2006).

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