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Chao Ji, Cynthia Juyne Beegle-Krause and James D. Englehardt
Submerged oil, oil in the water column (neither at the surface nor on the bottom), was found in the form of oil droplet layers in the mid depths between 900?1300 m in the Gulf of Mexico during and following the Deepwater Horizon oil spill. The subsurface...
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Paula Guerra, Kyle Simonson, Christian González, Jorge Gironás, Cristian Escauriaza, Gonzalo Pizarro, Carlos Bonilla and Pablo Pasten
Stream flow rates with seasonal, daily, or hourly cycles due to freezing and thawing can control downstream chemical processes by changing the mixing ratio of reactive flows. The extent of these hydrologic-chemical interactions has not been fully realize...
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Paula Guerra, Kyle Simonson, Christian González, Jorge Gironás, Cristian Escauriaza, Gonzalo Pizarro, Carlos Bonilla,Pablo Pasten
Pág. 1 - 27
Stream flow rates with seasonal, daily, or hourly cycles due to freezing and thawing can control downstream chemical processes by changing the mixing ratio of reactive flows. The extent of these hydrologic-chemical interactions has not been fully realize...
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Mostafa Bigdeli, Abdolmajid Mohammadian, Abolghasem Pilechi and Mercedeh Taheri
Microplastics pollution has led to irreversible environmental consequences and has triggered global concerns. It has been shown that water resources and marine food consumers are adversely affected by microplastics due to their physico-chemical character...
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Dirk Mallants, Jirka ?imunek, Martinus Th. van Genuchten, Diederik Jacques
Pág. 1 - 33
The HYDRUS-1D and HYDRUS (2D/3D) computer software packages are widely used finite element models for simulating the one-, and two- or three-dimensional movement of water, heat, and multiple solutes in variably-saturated media, respectively. While the st...
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Guanghai Gao, John J. O?Sullivan, Aisling Corkery, Zeinab Bedri, Gregory M. P. O?Hare and Wim G. Meijer
An understanding of water exchange processes is essential for assessing water quality management issues in coastal bays. This paper evaluates the impact of water exchange processes on pollution persistence in a macro-tidal semi-closed coastal bay through...
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Panagiota Keramea, Katerina Spanoudaki, George Zodiatis, Georgios Gikas and Georgios Sylaios
Several oil spill simulation models exist in the literature, which are used worldwide to simulate the evolution of an oil slick created from marine traffic, petroleum production, or other sources. These models may range from simple parametric calculation...
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James S. Klaus, Vassiliki H. Kourafalou, Alan M. Piggot, Ad Reniers, HeeSook Kang, Naresh Kumar, Elsayed M. Zahran, Leonidas G. Bachas, Adolfo Fernandez, Piero Gardinali, Michal Toborek, Sylvia Daunert, Sapna Deo and Helena M. Solo-Gabriele
Within the tropical marine study site of Guánica Bay, Puerto Rico, polychlorinated biphenyls (PCBs) are subjected to coastal and oceanic currents coupled with marine microbial and geochemical processes. To evaluate these processes a hydrodynamic model wa...
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Parmeshwar L. Shrestha, Steave H. Su, Scott C. James, Philip J. Shaller, Macan Doroudian, Clifford E. Firstenberg and Carlie T. Thompson
A conceptual site model (CSM) has been developed for the Newark Bay Study Area (NBSA) as part of the Remedial Investigation/Feasibility Study (RI/FS) for this New Jersey site. The CSM is an evolving document that describes the influence of physical, chem...
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Rattan Lal
Soil erosion is a selective process which removes the light fraction comprised of soil organic carbon (SOC) and colloidal particles of clay and fine silt. Thus, a large amount of carbon (C) is transported by erosional processes, and its fate (i.e., emiss...
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Panagiota Keramea, Nikolaos Kokkos, Georgios D. Gikas and Georgios Sylaios
Over the latest decades, oil marine pollution has posed a vital threat for global ocean health, since spillages of any scale are related to environmental, social and financial impacts. The worldwide increase in oil and gas demand, and the parallel rise i...
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Chelsea J. Weiskerger and Mantha S. Phanikumar
Degradation of water quality in recreational areas can be a substantial public health concern. Models can help beach managers make contemporaneous decisions to protect public health at recreational areas, via the use of microbial fate and transport simul...
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Kazuichi Hayakawa
Nitropolycyclic aromatic hydrocarbons (NPAHs) are derivatives of PAHs and contain one or more nitro functional groups (-NO2). Some NPAHs are classified as possible or probable human carcinogens and are more mutagenic than PAHs. Although the atmospheric c...
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Ahmed Yosri, Maysara Ghaith, Mohamed Ismaiel Ahmed and Wael El-Dakhakhni
The efficient management and remediation of contaminated fractured aquifers necessitate an accurate prediction of the spatial distribution of contaminant concentration within the system. Related existing analytical solutions are only applicable to single...
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Feleke K. Sishu, Seifu A. Tilahun, Petra Schmitter and Tammo S. Steenhuis
Nitrate is globally the most widespread and widely studied groundwater contaminant. However, few studies have been conducted in sub-Saharan Africa, where the leaching potential is enhanced during the rainy monsoon phase. The few monitoring studies found ...
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Yung-Li Wang, Qun-Zhan Huang and Shao-Yiu Hsu
Understanding the displacement of the resident wetting fluid in porous media is crucial to the remediation strategy. When pollutants or nutrients are dissolved in the surface wetting fluid and enter the unsaturated zone, the resident wetting fluid in the...
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Shawn Hinz, Jennifer Coston-Guarini, Michael Marnane and Jean-Marc Guarini
In this review, the use of environmental DNA (eDNA) within Environmental Impact Assessment (EIA) is evaluated. EIA documents provide information required by regulators to evaluate the potential impact of a development project. Currently eDNA is being inc...
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Douglas A. George, John L. Largier, Gregory Brian Pasternack, Patrick L. Barnard, Curt D. Storlazzi and Li H. Erikson
Alongshore sediment bypassing rocky headlands remains understudied despite the importance of characterizing littoral processes for erosion abatement, beach management, and climate change adaptation. To address this gap, a numerical model sediment transpo...
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Francesco De Simone, Ian M. Hedgecock, Francesco Carbone, Sergio Cinnirella, Francesca Sprovieri and Nicola Pirrone
Establishing mercury (Hg) source-receptor (SR) relationship matrices provides a tool to improve the understanding of the geographic relationship between regions of Hg release and its eventual deposition. SR relationship matrices are therefore a useful st...
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Ye Tuo, Gabriele Chiogna and Markus Disse
Process-based models are widely used to investigate nutrient dynamics for water management purposes. Simulating nutrient transport and transformation processes from agricultural land into water bodies at the catchment scale are particularly relevant and ...
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