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Articles 151 - 180 of 233

Full-Text Articles in Oceanography

Satellite Evidence Of Hurricane-Induced Phytoplankton Blooms In An Oceanic Desert, S. M. Babin, J. A. Carton, T. D. Dickey, J. D. Wiggert Jan 2004

Satellite Evidence Of Hurricane-Induced Phytoplankton Blooms In An Oceanic Desert, S. M. Babin, J. A. Carton, T. D. Dickey, J. D. Wiggert

CCPO Publications

The physical effects of hurricanes include deepening of the mixed layer and decreasing of the sea surface temperature in response to entrainment, curl-induced upwelling, and increased upper ocean cooling. However, the biological effects of hurricanes remain relatively unexplored. In this paper, we examine the passages of 13 hurricanes through the Sargasso Sea region of the North Atlantic during the years 1998 through 2001. Remotely sensed ocean color shows increased concentrations of surface chlorophyll within the cool wakes of the hurricanes, apparently in response to the injection of nutrients and/or biogenic pigments into the oligotrophic surface waters. This increase in post-storm …


Charting Neptune's Realm: From Classical Mythology To Satellite Imagery, Osher Map Library And Smith Center For Cartographic Education Jan 2003

Charting Neptune's Realm: From Classical Mythology To Satellite Imagery, Osher Map Library And Smith Center For Cartographic Education

Osher Map Library Exhibition Catalogs

Charting Neptune's Realm: From Classical Mythology to Satellite Imagery.

April 4, 2000 to January 11, 2001

The charts in this exhibition explore how mariners have distinguished one piece of water from any other, by determining what phenomena can be delineated across the vast, trackless ocean and by developing notations to express those phenomena.


Ocean: An Integrated Curriculum Unit, Institute For The Development Of Gifted Education, Ricks Center For Gifted Children, University Of Denver Jan 2002

Ocean: An Integrated Curriculum Unit, Institute For The Development Of Gifted Education, Ricks Center For Gifted Children, University Of Denver

Ricks Curriculum Units Series

An integrated curriculum is an instructional approach that connects the disciplines to an underlying theme or topic. Immersing students in an integrated-thematic unit provides the backdrop for experiences to occur across the disciplines. Shaping coursework around integrated themes is especially appropriate for gifted students, however using an integrated-thematic curriculum is appropriate for all learners as it develops students' abilities to make connections, to solve problems by looking at multiple perspectives, and to integrate information from different fields of experience. An integrated-thematic curriculum permits students to be active participants in their own learning as they design their own explorations and take …


Trichodesmium Spp.: Numerical Studies Of Resource Competition, Carbohydrate Ballasting, And Remote-Sensing Reflectance, Tonya Denise Clayton Jul 2001

Trichodesmium Spp.: Numerical Studies Of Resource Competition, Carbohydrate Ballasting, And Remote-Sensing Reflectance, Tonya Denise Clayton

OES Theses and Dissertations

In recent years, a new appreciation for the role of diazotrophy in the oceans has emerged. This dissertation reports on three modeling studies designed to investigate ecological processes associated with Trichodesmium spp., the most conspicuous marine diazotroph: (1) characterization of a generalized model Trichodesmium and issues of macronutrient resource competition; (2) carbohydrate ballasting by Trchodesmium and implications for the formation of surface accumulations; and (3) the vertical distribution of Trichodesmium and implications for detection from space.

The first study focuses on issues of nitrogen and phosphorus competition and ecosystem structure. It utilizes a simple ecosystem model that includes dissolved nitrogen …


Charting Neptune's Realm: From Classical Mythology To Satellite Imagery (Exhibit Guide), Osher Map Library And Smith Center For Cartographic Education Apr 2000

Charting Neptune's Realm: From Classical Mythology To Satellite Imagery (Exhibit Guide), Osher Map Library And Smith Center For Cartographic Education

Osher Map Library Miscellaneous Publications

Charting Neptune's Realm: From Classical Mythology to Satellite Imagery. April 4, 2000 to January 11, 2001

The charts in this exhibition explore how mariners have distinguished one piece of water from any other, by determining what phenomena can be delineated across the vast, trackless ocean and by developing notations to express those phenomena.


Ocean Surface Maps From Blending Disparate Data Through Normal Mode Analysis, William John Schulz Jr. Jan 1999

Ocean Surface Maps From Blending Disparate Data Through Normal Mode Analysis, William John Schulz Jr.

OES Theses and Dissertations

Rapid environmental assessment is conducted using disparate data sources in the northwestern Gulf of Mexico. An overview of significant physical features in the Gulf highlights the complexities of the large and meso-scale circulations. Spectral analysis of high resolution current meter and drifter data reveals the significant forcing features detectable by readily available observing techniques. These observations are combined with boundary data extracted from the U.S. Navy's Modular Ocean Data Assimilation System (MODAS) through Normal Mode Analysis (NMA). The NMA blending process is described, and surface maps of velocity and convergence are produced. Using statistical and qualitative techniques, the NMA generated …


Observation Of Shelfwater Overrunning The Southern Slope Sea, Ajoy Kumar Apr 1996

Observation Of Shelfwater Overrunning The Southern Slope Sea, Ajoy Kumar

OES Theses and Dissertations

Analyses of two years (1992 and 1993) of high resolution (1.47 km2) sea surface temperature satellite images of the southern Mid-Atlantic Bight (MAB), showed that unusually extensive overhang of shelf water occurs episodically, and coherently over along shelf distances of several hundred kilometers. These episodes are dubbed overrunning of the Slope Sea by shelf water. The overrunning volume has a "face" and a "back" (southern and northern limit). It transports substantial quantities of shelf water southward, and does not retreat onto the shelf, but eventually joins the western edge of the Gulf Stream in the vicinity of Chesapeake …


Flow Kinematics And Dynamics Of The Gulf Stream From Composite Imagery, Caitlin Patrice Mullen Jul 1994

Flow Kinematics And Dynamics Of The Gulf Stream From Composite Imagery, Caitlin Patrice Mullen

OES Theses and Dissertations

A unique set of contemporaneous satellite-tracked drifters and five-day composite satellite images of the North Atlantic is studied in order to infer the near-surface flow kinematics and dynamics of the Gulf Stream. Using fractal and spectral analyses, two kinematic models, and a potential vorticity model, detailed comparisons are made between these data sets.

Fractal and spectral analyses show that the data set is not fractal, there is no geographic variability, and there is not a strong fractal scaling link between the drifter trajectories and composite temperature fronts as had been postulated by several investigators. These results indicate considerably more work …


Economic Considerations For Artificial Reef Development In Coastal Virginia, Dean Thomas Devereaux Jul 1988

Economic Considerations For Artificial Reef Development In Coastal Virginia, Dean Thomas Devereaux

OES Theses and Dissertations

The contingent valuation method, recommended by the U. S. Water Resources Council, was used to estimate the economic value of sport fishing and diving at the Chesapeake Light Tower Artificial Reef. The study is based on a random sample of 170 anglers and 33 divers who participated in telephone, personell and mail-in surveys in 1985 and 1986.

The average user value (consumer surplus) was $21.13, $110,75, and $13.30 for head boat anglers, private boat anglers and sport divers, respectively, who claimed to have used the reef in 1985. Variation in consumer surplus was statistically affected by trip expense, distance from …


Volume 7, Number 7 (July 1983), The Solar Ocean Energy Liaison Jul 1983

Volume 7, Number 7 (July 1983), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 7, Number 6 (June 1983), The Solar Ocean Energy Liaison Jun 1983

Volume 7, Number 6 (June 1983), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 7, Number 5 (May 1983), The Solar Ocean Energy Liaison May 1983

Volume 7, Number 5 (May 1983), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 7, Number 4 (April 1983), The Solar Ocean Energy Liaison Apr 1983

Volume 7, Number 4 (April 1983), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 7, Number 3 (March 1983), The Solar Ocean Energy Liaison Mar 1983

Volume 7, Number 3 (March 1983), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 7, Number 2 (February 1983), The Solar Ocean Energy Liaison Feb 1983

Volume 7, Number 2 (February 1983), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 7, Number 1 (January 1983), The Solar Ocean Energy Liaison Jan 1983

Volume 7, Number 1 (January 1983), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 12 (December 1982), The Solar Ocean Energy Liaison Dec 1982

Volume 6, Number 12 (December 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 11 (November 1982), The Solar Ocean Energy Liaison Nov 1982

Volume 6, Number 11 (November 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 10 (October 1982), The Solar Ocean Energy Liaison Oct 1982

Volume 6, Number 10 (October 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 9 (September 1982), The Solar Ocean Energy Liaison Sep 1982

Volume 6, Number 9 (September 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 8 (August 1982), The Solar Ocean Energy Liaison Aug 1982

Volume 6, Number 8 (August 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 7 (July 1982), The Solar Ocean Energy Liaison Jul 1982

Volume 6, Number 7 (July 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 6 (June 1982), The Solar Ocean Energy Liaison Jun 1982

Volume 6, Number 6 (June 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 5 (May 1982), The Solar Ocean Energy Liaison May 1982

Volume 6, Number 5 (May 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Number 4 (April 1982), The Solar Ocean Energy Liaison Apr 1982

Volume 6, Number 4 (April 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 6, Numbers 1 & 2 (February & March 1982), The Solar Ocean Energy Liaison Feb 1982

Volume 6, Numbers 1 & 2 (February & March 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

Note that this issue should be Numbers 2 & 3, not Numbers 1 & 2.


Volume 6, Number 1 (January 1982), The Solar Ocean Energy Liaison Jan 1982

Volume 6, Number 1 (January 1982), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 5, Number 12 (December 1981), The Solar Ocean Energy Liaison Dec 1981

Volume 5, Number 12 (December 1981), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 5, Number 11 (November 1981), The Solar Ocean Energy Liaison Nov 1981

Volume 5, Number 11 (November 1981), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.


Volume 5, Number 10 (October 1981), The Solar Ocean Energy Liaison Oct 1981

Volume 5, Number 10 (October 1981), The Solar Ocean Energy Liaison

The OTEC Liaison

No abstract provided.