Now showing items 43-62 of 79

    • Near-bottom circulation and dispersion of sediment containing Alexandrium fundyense cysts in the Gulf of Maine during 2010–2011 

      Aretxabaleta, Alfredo L.; Butman, Bradford; Signell, Richard P.; Dalyander, P. Soupy; Sherwood, Christopher R.; Sheremet, Vitalii A.; McGillicuddy, Dennis J. (Elsevier, 2013-12-13)
      The life cycle of Alexandrium fundyense in the Gulf of Maine includes a dormant cyst stage that spends the winter predominantly in the bottom sediment. Wave-current bottom stress caused by storms and tides induces resuspension ...
    • A novel approach for direct estimation of fresh groundwater discharge to an estuary 

      Ganju, Neil K. (American Geophysical Union, 2011-06-04)
      Coastal groundwater discharge is an important source of freshwater and nutrients to coastal and estuarine systems. Directly quantifying the spatially integrated discharge of fresh groundwater over a coastline is difficult ...
    • Numerical modeling of an estuary : a comprehensive skill assessment 

      Warner, John C.; Geyer, W. Rockwell; Lerczak, James A. (American Geophysical Union, 2005-05-04)
      Numerical simulations of the Hudson River estuary using a terrain-following, three-dimensional model (Regional Ocean Modeling System, ROMS) are compared with an extensive set of timeseries and spatially resolved measurements ...
    • Ocean–atmosphere dynamics during Hurricane Ida and Nor’Ida : an application of the coupled ocean–atmosphere–wave–sediment transport (COAWST) modeling system 

      Olabarrieta, Maitane; Warner, John C.; Armstrong, Brandy; Zambon, Joseph B.; He, Ruoying (Elsevier B.V., 2011-12-30)
      The coupled ocean–atmosphere–wave–sediment transport (COAWST) modeling system was used to investigate atmosphere–ocean–wave interactions in November 2009 during Hurricane Ida and its subsequent evolution to Nor’Ida, which ...
    • On the interpretation of energy and energy fluxes of nonlinear internal waves : an example from Massachusetts Bay 

      Scotti, Alberto; Beardsley, Robert C.; Butman, Bradford (Cambridge University Press, 2006-08-09)
      A self-consistent formalism to estimate baroclinic energy densities and fluxes resulting from the propagation of internal waves of arbitrary amplitude is derived using the concept of available potential energy. The method ...
    • Physical and biogeochemical controls on light attenuation in a eutrophic, back-barrier estuary 

      Ganju, Neil K.; Miselis, Jennifer L.; Aretxabaleta, Alfredo L. (Copernicus Publications on behalf of the European Geosciences Union, 2014-12-17)
      Light attenuation is a critical parameter governing the ecological function of shallow estuaries. In these systems primary production is often dominated by benthic macroalgae and seagrass; thus light penetration to the bed ...
    • Predictions of barrier island berm evolution in a time-varying storm climatology 

      Plant, Nathaniel G.; Flocks, James; Stockdon, Hilary F.; Long, Joseph W.; Guy, Kristy; Thompson, David M.; Cormier, Jamie M.; Smith, Christopher G.; Miselis, Jennifer L.; Dalyander, P. Soupy (John Wiley & Sons, 2014-02-19)
      Low-lying barrier islands are ubiquitous features of the world's coastlines, and the processes responsible for their formation, maintenance, and destruction are related to the evolution of smaller, superimposed features ...
    • Progress and challenges in coupled hydrodynamic-ecological estuarine modeling 

      Ganju, Neil K.; Brush, Mark J.; Rashleigh, Brenda; Aretxabaleta, Alfredo L.; del Barrio, Pilar; Grear, Jason S.; Harris, Lora A.; Lake, Samuel J.; McCardell, Grant; O’Donnell, James; Ralston, David K.; Signell, Richard P.; Testa, Jeremy M.; Vaudrey, Jamie M. P. (Springer, 2015-07-07)
      Numerical modeling has emerged over the last several decades as a widely accepted tool for investigations in environmental sciences. In estuarine research, hydrodynamic and ecological models have moved along parallel tracks ...
    • Quantifying the residence time and flushing characteristics of a shallow, back-barrier estuary : application of hydrodynamic and particle tracking models 

      Defne, Zafer; Ganju, Neil K. (Springer, 2014-09-23)
      Estuarine residence time is a major driver of eutrophication and water quality. Barnegat Bay-Little Egg Harbor (BB-LEH), New Jersey, is a lagoonal back-barrier estuary that is subject to anthropogenic pressures including ...
    • Seasonal circulation over the Catalan inner-shelf (northwest Mediterranean Sea) 

      Grifoll, Manel; Aretxabaleta, Alfredo L.; Pelegri, Josep L.; Espino, Manuel; Warner, John C.; Sanchez-Arcilla, Agustin (John Wiley & Sons, 2013-10-25)
      This study characterizes the seasonal cycle of the Catalan inner-shelf circulation using observations and complementary numerical results. The relation between seasonal circulation and forcing mechanisms is explored through ...
    • Sediment dispersal in the northwestern Adriatic Sea 

      Harris, Courtney K.; Sherwood, Christopher R.; Signell, Richard P.; Bever, Aaron J.; Warner, John C. (American Geophysical Union, 2008-10-29)
      Sediment dispersal in the Adriatic Sea was evaluated using coupled three-dimensional circulation and sediment transport models, representing conditions from autumn 2002 through spring 2003. The calculations accounted for ...
    • Sediment dynamics in the lower Mekong River : transition from tidal river to estuary 

      Nowacki, Daniel J.; Ogston, Andrea S.; Nittrouer, Charles A.; Fricke, Aaron T.; Van, Pham Dang Tri (John Wiley & Sons, 2015-09-23)
      A better understanding of flow and sediment dynamics in the lowermost portions of large-tropical rivers is essential to constraining estimates of worldwide sediment delivery to the ocean. Flow velocity, salinity, and ...
    • Sediment transport and deposition on a river-dominated tidal flat : an idealized model study 

      Chen, Shih-Nan; Geyer, W. Rockwell; Sherwood, Christopher R.; Ralston, David K. (American Geophysical Union, 2010-10-16)
      A 3-D hydrodynamic model is used to investigate how different size classes of river-derived sediment are transported, exported and trapped on an idealized, river-dominated tidal flat. The model is composed of a river channel ...
    • Sediment transport due to extreme events : the Hudson River estuary after tropical storms Irene and Lee 

      Ralston, David K.; Warner, John C.; Geyer, W. Rockwell; Wall, Gary R. (John Wiley & Sons, 2013-10-18)
      Tropical Storms Irene and Lee in 2011 produced intense precipitation and flooding in the U.S. Northeast, including the Hudson River watershed. Sediment input to the Hudson River was approximately 2.7 megaton, about 5 times ...
    • Sediment transport on the Palos Verdes shelf, California 

      Ferre, Bénédicte; Sherwood, Christopher R.; Wiberg, Patricia L. (Elsevier B.V., 2010-02-01)
      Sediment transport and the potential for erosion or deposition have been investigated on the Palos Verdes (PV) and San Pedro shelves in southern California to help assess the fate of an effluent-affected deposit contaminated ...
    • Sediment transport-based metrics of wetland stability 

      Ganju, Neil K.; Kirwan, Matthew L.; Dickhudt, Patrick J.; Guntenspergen, Glenn R.; Cahoon, Donald R.; Kroeger, Kevin D. (John Wiley & Sons, 2015-10-10)
      Despite the importance of sediment availability on wetland stability, vulnerability assessments seldom consider spatiotemporal variability of sediment transport. Models predict that the maximum rate of sea level rise a ...
    • Shoaling of nonlinear internal waves in Massachusetts Bay 

      Scotti, Alberto; Beardsley, Robert C.; Butman, Bradford; Pineda, Jesus (American Geophysical Union, 2008-08-19)
      The shoaling of the nonlinear internal tide in Massachusetts Bay is studied with a fully nonlinear and nonhydrostatic model. The results are compared with current and temperature observations obtained during the August ...
    • The spatial structure of tidal and mean circulation over the inner shelf south of Martha's Vineyard, Massachusetts 

      Kirincich, Anthony R.; Lentz, Steven J.; Farrar, J. Thomas; Ganju, Neil K. (American Meteorological Society, 2013-09)
      The spatial structure of the tidal and background circulation over the inner shelf south of Martha's Vineyard, Massachusetts, was investigated using observations from a high-resolution, high-frequency coastal radar system, ...
    • Storm-driven sediment transport in Massachusetts Bay 

      Warner, John C.; Butman, Bradford; Dalyander, P. Soupy (Elsevier B.V., 2007-09-22)
      Massachusetts Bay is a semi-enclosed embayment in the western Gulf of Maine about 50 km wide and 100 km long. Bottom sediment resuspension is controlled predominately by storm-induced surface waves and transport by the ...
    • Storm-induced inner-continental shelf circulation and sediment transport : Long Bay, South Carolina 

      Warner, John C.; Armstrong, Brandy; Sylvester, Charlene S.; Voulgaris, George; Nelson, Timothy R.; Schwab, William C.; Denny, Jane F. (Elsevier B.V., 2012-05-10)
      Long Bay is a sediment-starved, arcuate embayment located along the US East Coast connecting both South and North Carolina. In this region the rates and pathways of sediment transport are important because they determine ...