Now showing items 857-876 of 1278

    • Pathways of shelf water export from the Hatteras shelf and slope 

      Churchill, James H.; Gawarkiewicz, Glen G. (American Geophysical Union, 2012-08-21)
      It has long been recognized that a massive flow of Middle Atlantic Bight (MAB) shelf water is exported to the deep ocean in the region near Cape Hatteras, North Carolina. We examine the details of this export using data ...
    • Penetration of a salinity front into a rotating basin : laboratory experiments and a simple theory 

      Marchal, Olivier; Whitehead, John A.; Jensen, Anders (Sears Foundation for Marine Research, 2011-07-01)
      Freshwater is released along a wall of a basin containing salt water and rotating anticlockwise. The freshwater source is located near the surface between the center of the cylindrical basin and a corner along the wall. ...
    • Penetration of the 1990s warm temperature anomaly of Atlantic Water in the Canada Basin 

      Shimada, Koji; McLaughlin, Fiona A.; Carmack, Eddy C.; Proshutinsky, Andrey; Nishino, Shigeto; Itoh, Motoyo (American Geophysical Union, 2004-10-16)
      Penetration of the 1990s warm temperature anomaly (WTA) of the Fram Strait branch of Atlantic Water (FSBW) in the Canada Basin is described using available temperature, salinity, and velocity data. The core temperatures ...
    • Performance of a new generation of acoustic current meters 

      Hogg, Nelson G.; Frye, Daniel E. (American Meteorological Society, 2007-02)
      As part of a program aimed at developing a long-duration, subsurface mooring, known as Ultramoor, several modern acoustic current meters were tested. The instruments with which the authors have the most experience are the ...
    • Physical and biological variables affecting seabird distributions during the upwelling season of the northern California Current 

      Ainley, David G.; Spear, Larry B.; Tynan, Cynthia T.; Barth, John A.; Pierce, Stephen D.; Ford, R. Glenn; Cowles, Timothy J. (2004-08-28)
      As a part of the GLOBEC-Northeast Pacific project, we investigated variation in the abundance of marine birds in the context of biological and physical habitat conditions in the northern portion of the California Current ...
    • Physical controls on copepod aggregations in the Gulf of Maine 

      Woods, Nicholas W. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2013-06)
      This thesis explores the role that the circulation in the Gulf of Maine (GOM) plays in determining the distribution of dense aggregations of copepods. These aggregations are an important part of the marine ecosystem, ...
    • Physical influences on phytoplankton ecology : models and observations 

      Clayton, Sophie A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 2013-06)
      The physical environment in the oceans dictates not only how phytoplankton cells are dispersed and their populations intermingled, but also mediates the supply of nutrients to the surface mixed layer. In this thesis I ...
    • Physical mechanisms for the offshore detachment of the Changjiang Diluted Water in the East China Sea 

      Chen, Changsheng; Xue, Pengfei; Ding, Pingxing; Beardsley, Robert C.; Xu, Qichun; Mao, Xianmou; Gao, Guoping; Qi, Jianhua; Li, Chunyan; Lin, Huichan; Cowles, Geoffrey W.; Shi, Maochong (American Geophysical Union, 2008-02-02)
      Physical mechanisms for the summertime offshore detachment of the Changjiang Diluted Water (CDW) into the East China Sea are examined using the high-resolution, unstructured-grid, Finite-Volume Coastal Ocean Model (FVCOM). ...
    • Physical processes and zooplankton distribution in the Great South Channel : observational and numerical studies 

      Epstein, Ari W. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1995-06)
      This thesis addresses the question, "How do small-scale physics and biology combine to produce dense aggregations of certain species of zooplankton in the Great South Channel (GSC) of the Gulf of Maine?" The thesis ...
    • Phytoplankton bloom phenomena in the North Atlantic Ocean and Arabian Sea 

      Marra, John F.; Dickey, Thomas D.; Plueddemann, Albert J.; Weller, Robert A.; Kinkade, Christopher S.; Stramska, Malgorzata (2014-12)
      We review bio-optical and physical data from three mooring experiments, the Marine Light–Mixed Layers programme in spring 1989 and 1991 in the Iceland Basin (59°N/21°W), and the Forced Upper Ocean Dynamics Experiment in ...
    • The Pirata Program : history, accomplishments, and future directions 

      Bourles, Bernard; Lumpkin, Rick; McPhaden, Michael J.; Hernandez, Fabrice; Nobre, Paulo; Campos, Edmo; Yu, Lisan; Planton, Serge; Busalacchi, Antonio J.; Moura, Antonio D.; Servain, Jacques; Trotte, Janice (American Meteorological Society, 2008-08)
      The Pilot Research Moored Array in the tropical Atlantic (PIRATA) was developed as a multinational observation network to improve our knowledge and understanding of ocean–atmosphere variability in the tropical Atlantic. ...
    • Pond fractals in a tidal flat 

      Cael, B. Barry; Lambert, Bennett; Bisson, Kelsey (American Physical Society, 2015-11-19)
      Studies over the past decade have reported power-law distributions for the areas of terrestrial lakes and Arctic melt ponds, as well as fractal relationships between their areas and coastlines. Here we report similar fractal ...
    • Population connectivity in marine systems : an overview 

      Cowen, Robert K.; Gawarkiewicz, Glen G.; Pineda, Jesus; Thorrold, Simon R.; Werner, Francisco E. (Oceanography Society, 2007-09)
      There is growing consensus that life within the world’s ocean is under considerable and increasing stress from human activities (Hutchings, 2000; Jackson et al., 2001). This unprecedented strain on both the structure and ...
    • Potential vorticity constraint on the flow between two basins 

      Yang, Jiayan; Price, James F. (American Meteorological Society, 2007-09)
      This paper examines the role of potential vorticity (PV) balance in source- and sink-driven flows between two basins. As shown in previous studies, PV advection into a basin, say a positive PV advection, requires a negative ...
    • Potential vorticity structure in the North Atlantic western boundary current from underwater glider observations 

      Todd, Robert E.; Owens, W. Brechner; Rudnick, Daniel L. (American Meteorological Society, 2016-01)
      Potential vorticity structure in two segments of the North Atlantic’s western boundary current is examined using concurrent, high-resolution measurements of hydrography and velocity from gliders. Spray gliders occupied 40 ...
    • Precession-driven changes in Iceland–Scotland Overflow Water penetration and bottom water circulation on Gardar Drift since ~ 200 ka 

      Elmore, Aurora C.; Wright, James D.; Chalk, Thomas B. (2015-09-21)
      Benthic foraminiferal stable isotopic records from a transect of sediment cores south of the Iceland-Scotland Ridge reveal that the penetration depth of Iceland-Scotland Overflow Water (ISOW) varied on orbital timescales ...
    • Predictability 

      Hacker, Joshua; Hansen, James; Berner, Judith; Chen, YangQuan; Eshel, Gidon; Hakim, Gregory; Lazarus, Steven; Majumdar, Sharanya; Morss, Rebecca; Poje, Andrew; Sheremet, Vitalii A.; Tang, Youmin; Webb, Colleen (2005-12)
      A group of junior faculty members and UCAR junior scientists convened in Boulder, CO on June 16-18, 2003 for discussion on future scientific directions. This report summarizes the goals and products of one of the three ...
    • Predicting eddy detachment from thin jets 

      Ralph, Elise A. (Massachusetts Institute of Technology and Woods Hole Oceanographic Institution, 1991-08)
      Using a semi-geostrophic, reduced gravity thin jet model, we analytically study the evolution of initial meanders into pinched-off rings. The model used is similar to the path equation developed by Flierl and Robinson ...
    • Preface to special section on Arctic Ocean Model Intercomparison Project (AOMIP) Studies and Results 

      Proshutinsky, Andrey; Kowalik, Zygmunt (American Geophysical Union, 2007-04-26)
    • Preface to special section on Beaufort Gyre Climate System Exploration Studies : documenting key parameters to understand environmental variability 

      Proshutinsky, Andrey; Krishfield, Richard A.; Barber, David G. (American Geophysical Union, 2009-05-23)