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Browsing College of Earth, Ocean, and Atmospheric Sciences by Author "Abbott, Mark R."

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Browsing College of Earth, Ocean, and Atmospheric Sciences by Author "Abbott, Mark R."

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  • Abbott, Mark R.; Sears, Charles E. (The Oceanography Society, 2006-03)
    The appearance of personal computers in the mid-1980s transformed the conduct of oceanographic research in ways that are now familiar as well as in ways that are now only beginning to be perceived and understood. The fir ...
  • Nahorniak, Jasmine S.; Abbott, Mark R.; Letelier, Ricardo M.; Pegau, W. Scott (American Meteorological Society, 2001-12)
    A model to estimate chlorophyll-a concentration and yellow substance absorption at 440 nm from irradiance measurements made at varying depths is examined. The derivation of the model, requiring irradiance measurements at ...
  • Letelier, Ricardo M.; Abbott, Mark R.; Karl, David M. (American Geophysical Union, 1997)
    Variability of solar-induced (natural) fluorescence and chlorophyll were measured on scales of hours to weeks in the upper layer of a cyclonic eddy located south of the Antarctic Polar Front using a free-floating drifter ...
  • Swenson, Mark S.; Niiler, Pearn P.; Brink, Kenneth H.; Abbott, Mark R. (American Geophysical Union, 1992-07)
    We use the position fixes and temperature readings from 56 Tristar-II mixed-layer drifters, in conjunction with advanced very high resolution radiometer images, to provide a description of the mesoscale variability of th ...
  • Abbott, Mark R.; Powell, Thomas M.; Richerson, Peter J. (American Society of Limnology and Oceanography, 1980)
    Horizontal transects of fluorescence measurements have been used extensively to investigate phytoplankton patchiness. Variance spectra have been calculated from these data, thus quantifying spatial heterogeneity as a fun ...
  • Corno, Guido; Karl, David M.; Church, Matthew J.; Letelier, Ricardo M.; Lukas, Roger; Bidigare, Robert R.; Abbott, Mark R. (American Geophysical Union, 2007)
    Measurements at the Hawaii Ocean Time-series (HOT) Station ALOHA (22 degrees 45'N, 158 degrees W) have revealed a significant, approximately 50% increase in euphotic zone depth-integrated rates of primary production ( PP ...
  • Landry, Michael R.; Brown, Susan L.; Selph, Karen E.; Abbott, Mark R.; Letelier, Ricardo M.; Christensen, Stephanie; Bidigare, Robert R.; Casciotti, K. (American Geophysical Union, 2001)
    During austral summer 1997, satellite imagery revealed enhanced chlorophyll associated with the Antarctic Polar Front at 170°W. Phytoplankton growth conditions during the early stages of the spring increase were investig ...
  • Letelier, Ricardo M.; Karl, David M.; Abbott, Mark R.; Bidigare, Robert R. (American Society of Limnology and Oceanography, 2004)
    The euphotic zone below the deep chlorophyll maximum layer (DCML) at Station ALOHA (a long-term oligotrophic habitat assessment; 22º45′N, 158º00′W) transects the nearly permanently stratified upper thermocline. Hence, se ...
  • Moore, J. Keith; Abbott, Mark R.; Richman, James G. (American Geophysical Union, 1999)
    The location of the Antarctic Polar Front (PF) was mapped over a 7-year period (1987-1993) within images of satellite-deprived sea surface temperature. The mean path of the PF is strongly steered by the topographic featu ...
  • Laney, S. R.; Letelier, R. M.; Desiderio, R. A.; Abbott, Mark R.; Kiefer, D. A.; Booth, C. R. (American Meteorological Society, 2001-11)
    A laboratory instrument, the Natural Fluorescence Chemostat, was developed to measure the natural fluorescence of phytoplankton cultures. With this instrument, the physical and chemical environment of a culture can be ma ...
  • Abbott, Mark R.; Denman, Kenneth L.; Powell, Thomas M.; Richerson, Peter J.; Richards, Robert C.; Goldman, Charles R. (American Society of Limnology and Oceanography, 1984)
    Chlorophyll-temperature profiles were measured across Lake Tahoe about every 10 days from April through July 1980. Analysis of the 123 profiles and associated productivity and nutrient data identified three important pro ...
  • Rothstein, Lewis; Cullen, John; Abbott, Mark R.; Chassignet, Eric; Denman, Ken; Doney, Scott; Ducklow, Hugh; Fennel, Katja; Follows, Mick; Haidvogel, Dale; Hoffman, Eileen; Karl, David; Kindle, John; Lima, Ivan; Maltrud, Mathew; McClain, Chuck; McGillicuddy, Dennis; Olascoaga, M.; Spitz, Yvette; Wiggert, Jerry; Yoder, James (The Oceanography Society, 2006-03)
    THE ROLE OF THE OCEANS in Earth systems ecology, and the effects of climate variability on the ocean and its ecosystems, can be understood only by observing, describing, and ultimately predicting the state of the ocean a ...
  • Strub, P. Ted; Kosro, P. Michael, 1951-; Huyer, Adriana, 1945-; Brink, K. H.; Hayward, T.; Niiler, Pearn P.; James, C.; Dewey, R.; Walstad, L.; Chavez, F.; Ramp, S.; Mackas, D. L.; Swenson, M.; Washburn, L. A.; Barth, John A.; Hood, R. R.; Abbott, Mark R.; Kadko, D.; Barber, R.; Haidvogel, D.; Batteen, M.; Haney, R. (American Geophysical Union, 1991)
    Data from the Coastal Transition Zone (CTZ) experiment are used to describe the velocity fields and water properties associate with cold filaments in the California Current. Combined with previous field surveys and satel ...
  • Abbott, Mark R. (Microsoft Research, 2009)
  • Abbott, Mark R.; Brink, Kenneth H.; Booth, D. R.; Blasco, Dolors; Codispoti, L. A.; Niiler, Pearn P.; Ramp, Steven R. (American Geophysical Union, 1990-06-15)
    A Lagrangian drifter was deployed in a cold filament off northern California as part of the Coastal Transition Zone program. The drifter was equipped with an optical package (consisting of a spectroradiometer, a fluorome ...
  • Abbott, Mark R. (The Oceanographic Society, 2008-09)
    This article considers the evolutionary pressures that have brought us to our present state and how these forces will likely change, with a focus on U.S. institutional structures.
  • Esaias, Wayne E.; Abbott, Mark R.; Barton, Ian; Brown, Otis B.; Campbell, Janet W.; Carder, Kendall L.; Clark, Dennis K.; Evans, Robert H.; Hoge, Frank E.; Gordon, Howard R.; Balch, William M.; Letelier, Richard; Minnett, Peter J. (IEEE, 1998-07-04)
    The Moderate Resolution Imaging Spectroradiometer (MODIS) will add a significant new capability for investigating the 70% of the earth’s surface that is covered by oceans, in addition to contributing to the continuati ...
  • Laney, Samuel R.; Letelier, Ricardo M.; Abbott, Mark R. (American Society of Limnology and Oceanography, 2005)
    We examined variability in the natural fluorescence yield of a neritic diatom, Thalassiosira weissflogii, in continuous cultures. In this species, kinetics in natural fluorescence yield over time scales less than a photo ...
  • Hood, R. R.; Abbott, Mark R.; Huyer, Adriana, 1945- (American Geophysical Union, 1991)
    In June 1987 the geostropic flow in the coastal transition zone off northern California (between 50 and 150 km off the coast from Point Reyes to just north of Cape Mendocino) was dominated by a well-defined, southward-me ...
  • Moore, J. Keith; Abbott, Mark R. (American Geophysical Union, 2000)
    Satellite ocean color data from the Sea-viewing Wide Field-of-view Sensor (SeaWiFS) were used to examine distributions of chlorophyll concentration within the Southern Ocean for the period of October 1997 through Septemb ...

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