caa a22 4500 445874651 CHVBK 20180317145524.0 cr unu---uuuuu 170323e20110801xx s 000 0 eng 10.1007/s10652-011-9209-0 doi (NATIONALLICENCE)springer-10.1007/s10652-011-9209-0 Numerical modeling of aquaculture dissolved waste transport in a coastal embayment [Elektronische Daten] [Subhas Venayagamoorthy, Hyeyun Ku, Oliver Fringer, Alice Chiu, Rosamond Naylor, Jeffrey Koseff] Marine aquaculture is expanding rapidly without reliable quantification of effluents. The present study focuses on understanding the transport of dissolved wastes from aquaculture pens in near-coastal environments using the hydrodynamics code SUNTANS (Stanford Unstructured Nonhydrostatic Terrain-following Adaptive Navier-Stokes Simulator), which employs unstructured grids to compute flows in the coastal ocean at very high resolution. Simulations of a pollutant concentration field (in time and space) as a function of the local environment (bathymetry), flow conditions (tides and wind-induced currents), and the location of the pens were performed to study their effects on the evolution of the waste plume. The presence of the fish farm pens cause partial blockage of the flow, leading to the deceleration of the approaching flow and formation of downstream wakes. Results of both the near-field area (area within 10 to 20 pen diameters of the fish-pen site) as well as far-field behavior of the pollutant field are presented. These detailed results highlight for the first time the importance of the wake vortex dynamics on the evolution of the near-field plume as well as the rotation of the earth on the far-field plume. The results provide an understanding of the impact of aquaculture fish-pens on coastal water quality. Springer Science+Business Media B.V., 2011 Effluent pollution nationallicence Dispersion nationallicence Aquaculture nationallicence Numerical modeling nationallicence Plume dynamics nationallicence Coastal engineering nationallicence Venayagamoorthy Subhas Department of Civil and Environmental Engineering, Colorado State University, 80523-1372, Fort Collins, CO, USA aut Ku Hyeyun Department of Civil and Environmental Engineering, Colorado State University, 80523-1372, Fort Collins, CO, USA aut Fringer Oliver Environmental Fluid Mechanics Laboratory, Department of Civil and Environmental Engineering, Stanford University, 94305, Stanford, CA, USA aut Chiu Alice Program on Food Security and the Environment, Stanford University, 94305, Stanford, CA, USA aut Naylor Rosamond Program on Food Security and the Environment, Stanford University, 94305, Stanford, CA, USA aut Koseff Jeffrey Environmental Fluid Mechanics Laboratory, Department of Civil and Environmental Engineering, Stanford University, 94305, Stanford, CA, USA aut Environmental Fluid Mechanics Springer Netherlands 11/4(2011-08-01), 329-352 1567-7419 11:4<329 2011 11 10652 https://doi.org/10.1007/s10652-011-9209-0 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10652-011-9209-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Venayagamoorthy Subhas Department of Civil and Environmental Engineering, Colorado State University, 80523-1372, Fort Collins, CO, USA aut NATIONALLICENCE 700 1- Ku Hyeyun Department of Civil and Environmental Engineering, Colorado State University, 80523-1372, Fort Collins, CO, USA aut NATIONALLICENCE 700 1- Fringer Oliver Environmental Fluid Mechanics Laboratory, Department of Civil and Environmental Engineering, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 700 1- Chiu Alice Program on Food Security and the Environment, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 700 1- Naylor Rosamond Program on Food Security and the Environment, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 700 1- Koseff Jeffrey Environmental Fluid Mechanics Laboratory, Department of Civil and Environmental Engineering, Stanford University, 94305, Stanford, CA, USA aut NATIONALLICENCE 773 0- Environmental Fluid Mechanics Springer Netherlands 11/4(2011-08-01), 329-352 1567-7419 11:4<329 2011 11 10652 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer