Index Catalog // ScholarsArchive@OSU

Spectral particulate attenuation and particle size distribution in the bottom boundary layer of a continental shelf

Creator:: Boss, Emmanuel, Pegau, W. Scott, Gardner, Wilford D., Zaneveld, J. Ronald, Barnard, Andrew H., Twardowski, Michael S., Chang, G. C., and Dickey, T. D.
Abstract:: Spectral attenuation and absorption coefficients of particulate matter and collocated hydrographic measurements were obtained in the Mid-Atlantic Bight during the fall of 1996 and the spring of 1997 as part of the Coastal Mixing and Optics experiment. Within the bottom boundary layer (BBL) the magnitude of the beam attenuation decreased...
Resource Type:: Article
Full Text:: . D. Dickey 3 Abstract. Spectral attenuation and absorption coefficients of particulate matter and

Seconds to hour scale photosynthetic responses in marine microalgae

Creator:: Laney, Samuel R.
Abstract:: Our view of phytoplankton has historically revolved around their inability to control their location in space. The term phytoplankton itself underscores this particular difference between phytoplankton and their sessile terrestrial counterparts. Yet there are other differences between land plants and the phytoplankton that are perhaps equally important, beyond this sessile-planktonic...
Resource Type:: Dissertation
Full Text:: Abstract approved: _____________________________________________________________________ Ricardo M

Nonlinear internal waves on the continental shelf

Creator:: Shroyer, Emily L.
Abstract:: The properties and evolution of nonlinear internal waves (NLIWs) depend upon the background conditions within which waves form, propagate, and dissipate. As a result, the NLIW field on the New Jersey shelf displayed dramatic variability during the Shallow Water 2006 experiment. Wave variability was exhibited by 1) amplitudes that ranged...
Resource Type:: Dissertation
Full Text:: ranged from 5 m to over 20 m, 2) irregular wave arrival times, and 3) wave forms that were either mode-1

Turbulence Decay and Restratification in the Equatorial Ocean Surface Layer following Nighttime Convection

Creator:: Caldwell, D. R., Lien, R-C., Moum, J. N., and Gregg, M. C.
Abstract:: Although the process of restratification of the ocean surface layer at the equator following nighttime convection is similar in many ways to the process at midlatitudes, there are important differences. A composite day calculated from 15 days of consistent conditions at 140°W on the equator was compared with midlatitude observations...
Resource Type:: Article
Full Text:: supplied by M. McPhaden and T. Dickey from the Tropical Ocean Global Atmosphere–Tropical Atmosphere Ocean

Variability in satellite winds over the Benguela upwelling system during 1999–2000

Creator:: Risien, Craig M., Reason, C. J. C., Shillington, F. A., and Chelton, Dudley B.
Abstract:: Wind stress variability over the Benguela upwelling system is considered using 16 months (01 August 1999 to 29 November 2000) of satellite-derived QuikSCAT wind data. Variability is investigated using a type of artificial neural network, the self-organizing map (SOM), and a wavelet analysis. The SOM and wavelet analysis are applied...
Resource Type:: Article
Full Text:: Architectures: An Introduction, 259 pp., Van Nostrand Reinhold, New York. Dickey, J. O., M. Ghil, and S. L

Observations on the evolution of shoaling nonlinear internal waves in Massachusetts Bay using shipboard X-band radar

Creator:: Nelson, Brian G.
Abstract:: During four cruises in July and September of 2008 and 2009, the shipboard X-band radar was tuned to detect the modulated bands of surface roughness caused by converging and diverging currents associated with high-frequency nonlinear internal wave (NLIW) packets. The data collected was used to quantify the propagation direction (ϴp),...
Resource Type:: Masters Thesis
Full Text:: to be approximately 356 m. The average wavelength in September, 372 ± 12m, was larger than the

Identifying habitat factors for canary rockfish (Sebastes pinniger) off Washington and Oregon using environmental data and trawl logbooks

Creator:: Vestfals, Cathleen D.
Abstract:: If fisheries managers are to effectively manage commercially exploited fish populations, a basic understanding of the factors that influence fish distribution and abundance is required. In 2005, efforts to identify Essential Fish Habitat (EFH) for the 82 groundfish species managed by the Pacific Fishery Management Council along the West Coast...
Resource Type:: Masters Thesis
Full Text:: 57 m and 307 m in the survey, the majority of the tows with canary rockfish catch, over 90

Comparison of Near-Forward Light Scattering on Oceanic Turbulence and Particles

Creator:: Bogucki, Darek J., Domaradzki, J. Andrzej, Stramski, Dariusz, and Zaneveld, J. Ronald
Abstract:: We examine and compare near-forward light scattering that is caused by turbulence and typical particulate assemblages in the ocean. The near-forward scattering by particles was calculated using Mie theory for homogeneous spheres and particle size distributions representative of natural assemblages in the ocean. Direct numerical simulations of a passive scalar...
Resource Type:: Article
Full Text:: deviation that is due to turbulence for a light beam propagating over a 0.25-m path length in the oceanic

Relationships of in situ spectral absorption, pigment ratios and environmental parameters for phytoplankton assemblages in coastal waters

Creator:: Eisner, Lisa B.
Abstract:: In situ optical measurements of spectral absorption and beam attenuation provide information on the fine scale horizontal and vertical variations in phytoplankton pigments and other measures of phytoplankton photophysiology and ecology in coastal waters. Phytoplankton pigment ratios from discrete sample analyses with High Performance Liquid Chromatography were compared to in...
Resource Type:: Dissertation
Full Text:: .................................................................... 58 3.3 Temperature and salinity plot of samples collected in top 10 m (3- 10 m) of the water column

Scales of variability of bio-optical properties as observed from near-surface drifters

Creator:: Abbott, Mark R., Brink, Kenneth H., Booth, C. R., Blasco, Dolors, Swenson, Mark S., Davis, Curtiss O., and Codispoti, L. A.
Abstract:: A drifter equipped with bio-optical sensors and an automated water sampler was deployed in the California Current as part of the coastal transition zone program to study the biological, chemical, and physical dynamics of the meandering filaments. During deployments in 1987 and 1988, measurements were made of fluorescence, downwelling irradiance,...
Resource Type:: Article
Full Text:: are quite similar to the 10-m data from Stramska and Dickey [1992], which suggest that much of the

ScholarsArchive@OSU

Spectral particulate attenuation and particle size distribution in the bottom boundary layer of a continental shelf

Seconds to hour scale photosynthetic responses in marine microalgae

Nonlinear internal waves on the continental shelf

Turbulence Decay and Restratification in the Equatorial Ocean Surface Layer following Nighttime Convection

Variability in satellite winds over the Benguela upwelling system during 1999–2000

Observations on the evolution of shoaling nonlinear internal waves in Massachusetts Bay using shipboard X-band radar

Identifying habitat factors for canary rockfish (Sebastes pinniger) off Washington and Oregon using environmental data and trawl logbooks

Comparison of Near-Forward Light Scattering on Oceanic Turbulence and Particles

Relationships of in situ spectral absorption, pigment ratios and environmental parameters for phytoplankton assemblages in coastal waters

Scales of variability of bio-optical properties as observed from near-surface drifters

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