Index Catalog // ScholarsArchive@OSU

Characterizing the circulation off the Kenyan-Tanzanian coast using an ocean model

Creator:: Mayorga-Adame, C. Gabriela, Strub, P. Ted, Batchelder, Harold P., and Spitz, Yvette H.
Abstract:: The Kenyan-Tanzanian coastal region in the western Indian Ocean faces several environmental challenges including coral reef conservation, fisheries management, coastal erosion, and nearshore pollution. The region lacks hydrodynamic records and oceanographic studies at adequate spatial and temporal scales to provide information relevant to the local environmental issues. We have developed...
Resource Type:: Article

Influence of varying upper ocean stratification on coastal near-inertial currents

Creator:: Kim, Sung Yong, Kurapov, Alexander L., and Kosro, P. Michael
Abstract:: The influence of varying horizontal and vertical stratification in the upper layer ( inline image m) associated with riverine waters and seasonal atmospheric fluxes on coastal near-inertial currents is investigated with remotely sensed and in situ observations of surface and subsurface currents and realistic numerical model outputs off the coast...
Resource Type:: Article
Full Text:: stratification on coastal near-inertial currents Sung Yong Kim1, Alexander L. Kurapov2, and P. Michael Kosro2

Altimeter-derived seasonal circulation on the southwest Atlantic shelf: 27°–43°S

Creator:: Strub, P. Ted, James, Corinne, Combes, Vincent, Matano, Ricardo P., Piola, Alberto R., Palma, Elbio D., Saraceno, Martin, Guerrero, Raul A., Fenco, Harold, and Ruiz-Etcheverry, Laura A.
Abstract:: Altimeter sea surface height (SSH) fields are analyzed to define and discuss the seasonal circulation over the wide continental shelf in the SW Atlantic Ocean (27°–43°S) during 2001–2012. Seasonal variability is low south of the Rio de la Plata (RdlP), where winds and currents remain equatorward for most of the...
Resource Type:: Article

Spring plankton dynamics in the Eastern Bering Sea, 1971-2050: Mechanisms of interannual variability diagnosed with a numerical model

Creator:: Banas, Neil S., Zhang, Jinlun, Campbell, Robert G., Sambrotto, Raymond N., Lomas, Michael W., Sherr, Evelyn, Sherr, Barry, Ashjian, Carin, Stoecker, Diane, and Lessard, Evelyn J.
Abstract:: A new planktonic ecosystem model was constructed for the Eastern Bering Sea based on observations from the 2007–2010 BEST/BSIERP (Bering Ecosystem Study/Bering Sea Integrated Ecosystem Research Program) field program. When run with forcing from a data-assimilative ice-ocean hindcast of 1971–2012, the model performs well against observations of spring bloom time...
Resource Type:: Article
Full Text:: budget (Figure 4), which tracks NO3, NH4, phytoplankton biomass P, microzooplankton biomass Z, and small

An assessment of phytoplankton primary productivity in the Arctic Ocean from satellite ocean color/in situ chlorophyll-a based models

Creator:: Lee, Younjoo J., Matrai, Patricia A., Friedrichs, Marjorie A. M., Saba, Vincent S., Antoine, David, Ardyna, Mathieu, Asanuma, Ichio, Babin, Marcel, Bélanger, Simon, Benoît‐Gagné, Maxime, Devred, Emmanuel, Fernández‐Méndez, Mar, Gentili, Bernard, Hirawake, Toru, Kang, Sung‐Ho, Kameda, Takahiko, Katlein, Christian, Lee, Sang H., Lee, Zhongping, Mélin, Frédéric, Scardi, Michele, Smyth, Tim J., Tang, Shilin, Turpie, Kevin R., Waters, Kirk J., and Westberry, Toby K.
Abstract:: We investigated 32 net primary productivity (NPP) models by assessing skills to reproduce integrated NPP in the Arctic Ocean. The models were provided with two sources each of surface chlorophyll-a concentration (chlorophyll), photosynthetically available radiation (PAR), sea surface temperature (SST), and mixed-layer depth (MLD). The models were most sensitive to...
Resource Type:: Article
Full Text:: models Lee, Y. J., Matrai, P. A., Friedrichs, M. A., Saba, V. S., Antoine, D., Ardyna, M

Phenology of particle size distributions and primary productivity in the North Pacific subtropical gyre (Station ALOHA)

Creator:: White, Angelicque E., Letelier, Ricardo M., Whitmire, Amanda L., Barone, Benedetto, Bidigare, Robert R., Church, Matthew J., and Karl, David M.
Abstract:: The particle size distribution (PSD) is a critical aspect of the oceanic ecosystem. Local variability in the PSD can be indicative of shifts in microbial community structure and reveal patterns in cell growth and loss. The PSD also plays a central role in particle export by influencing settling speed. Satellite-based...
Resource Type:: Article
Full Text:: 10.1002/2015JC010897 John Wiley & Sons, Inc. Version of Record http://cdss.library.oregonstate.edu/sa

Particle distributions and dynamics in the euphotic zone of the North Pacific Subtropical Gyre

Creator:: Barone, Benedetto, Bidigare, Robert R., Church, Matthew J., Karl, David M., Letelier, Ricardo M., and White, Angelicque E.
Abstract:: During the summer of 2012, we used laser diffractometry to investigate the temporal and vertical variability of the particle size spectrum (1.25–100 µm in equivalent diameter) in the euphotic zone of the North Pacific Subtropical Gyre. Particles measured with this optical method accounted for ∼40% of the particulate carbon stocks...
Resource Type:: Article
Full Text:: :10.1002/2015JC010774 10.1002/2015JC010774 John Wiley & Sons Ltd. Version of Record http

Interannual variability of the subsurface eddy field in the Southeast Pacific

Creator:: Combes, Vincent, Hormazabal, Samuel, and Di Lorenzo, Emanuele
Abstract:: The Southeast Pacific, which encompasses the coasts of Peru and Chile, is one of the world's most productive regions resulting principally from the upwelling of subsurface nutrient-rich waters. Over the satellite altimetry era, there have been numerous evidence that surface mesoscale eddies play an important role in the offshore transport...
Resource Type:: Article
Full Text:: /2014JC010265 10.1002/2014JC010265 John Wiley & Sons Inc. Version of Record http

The intertidal hydraulics of tide-dominated reef platforms

Creator:: Lowe, Ryan J., Leon, Arturo S., Symonds, Graham, Falter, James L., and Gruber, Renee
Abstract:: A 2 week field experiment investigated the hydrodynamics of a strongly tidally forced tropical intertidal reef platform in the Kimberley region of northwestern Australia, where the spring tidal range exceeds 8 m. At this site, the flat and wide (∼1.4 km) reef platform is located slightly above mean sea level,...
Resource Type:: Article
Full Text:: John Wiley & Sons, Inc. Version of Record http://cdss.library.oregonstate.edu/sa-termsofuse

Distinguishing ichthyogenic turbulence from geophysical turbulence

Creator:: Pujiana, Kandaga, Moum, James N., Smyth, William D., and Warner, Sally J.
Abstract:: Measurements of currents and turbulence beneath a geostationary ship in the equatorial Indian Ocean during a period of weak surface forcing revealed unexpectedly strong turbulence beneath the surface mixed layer. Coincident with the turbulence was a marked reduction of the current speeds registered by shipboard Doppler current profilers, and an...
Resource Type:: Article
Full Text:: 10.1002/2014JC010659 John Wiley & Sons Ltd. Version of Record http://cdss.library.oregonstate.edu/sa

ScholarsArchive@OSU

Characterizing the circulation off the Kenyan-Tanzanian coast using an ocean model

Influence of varying upper ocean stratification on coastal near-inertial currents

Altimeter-derived seasonal circulation on the southwest Atlantic shelf: 27°–43°S

Spring plankton dynamics in the Eastern Bering Sea, 1971-2050: Mechanisms of interannual variability diagnosed with a numerical model

An assessment of phytoplankton primary productivity in the Arctic Ocean from satellite ocean color/in situ chlorophyll-a based models

Phenology of particle size distributions and primary productivity in the North Pacific subtropical gyre (Station ALOHA)

Particle distributions and dynamics in the euphotic zone of the North Pacific Subtropical Gyre

Interannual variability of the subsurface eddy field in the Southeast Pacific

The intertidal hydraulics of tide-dominated reef platforms

Distinguishing ichthyogenic turbulence from geophysical turbulence

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