Nearshore sticky waters |
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| Institution: | 1. Department of Mathematics, University of Arizona, Tucson, AZ 85721 USA;2. Department of Atmospheric Sciences, University of Arizona, Tucson, AZ 85721 USA;3. Department of Physics, University of Arizona, Tucson, AZ 85721 USA;4. Department of Aerospace Engineering and Engineering Mechanics, University of Texas, Austin, TX 78712, USA;5. Institute of Computational and Engineering Sciences, University of Texas, Austin, TX 78712, USA;1. Suidosha Co. Ltd., 8-11-11 Ikuta, Tama-ku, Kawasaki 214-0038, Japan;2. Institute of Low Temperature Science, Hokkaido University, Kita-19, Nishi-8, Kita-ku, Sapporo 060-0819, Japan;3. Atmosphere and Ocean Research Institute, University of Tokyo, 5-1-5, Kashiwanoha, Kashiwa 277-8564, Japan;1. Hanyang University, Department of Life Sciences, Seoul 133-791, Republic of Korea;2. University of Tasmania, Institute for Marine and Antarctic Studies, Hobart, Tasmania 7001, Australia;1. Center for Marine Research, Rudjer Boskovic Institute, Rovinj, Croatia;2. University of Dubrovnik, Institute for Marine and Coastal Research, Dubrovnik, Croatia;1. Dept. of Geography Education, Kongju National University, Gongju 314-701, Republic of Korea;2. Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Republic of Korea;3. Dept. of Petroleum Resources Technology, Korea University of Science and Technology, Daejeon 305-350, Republic of Korea;4. National Research Institute of Cultural Heritage, Daejeon 305-380, Republic of Korea;5. Nanjing Institute of Geography and Limnology, CAS, Nanjing 210008, China |
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| Abstract: | Wind- and current-driven flotsam, oil spills, pollutants, and nutrients, approaching the nearshore will frequently appear to slow down/park just beyond the break zone, where waves break. Moreover, the portion of these tracers that beach will do so only after a long time. Explaining why these tracers park and at what rate they reach the shore has important implications on a variety of different nearshore environmental issues, including the determination of what subscale processes are essential in computer models for the simulation of pollutant transport in the nearshore. Using a simple model we provide an explanation for the underlying mechanism responsible for the parking of tracers, not subject to inertial effects, the role played by the bottom topography, and the non-uniform dispersion which leads, in some circumstances, to the eventual landing of all or a portion of the tracers. We refer to the parking phenomenon in this environment as nearshore sticky waters. |
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| Keywords: | Oil slick Pollutant transport Shallow water flows Mixing and dispersion Waves and currents |
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