Distributions and Accumulation Rates of Polycyclic Aromatic Hydrocarbons in the Northern Gulf of Mexico Sediments PDF Download
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Languages : en
Pages :
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Languages : en
Pages :
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Author: Kimberly Scalise
Publisher:
ISBN:
Category : BP Deepwater Horizon Explosion and Oil Spill, 2010
Languages : en
Pages : 116
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Book Description
The Deepwater Horizon (DWH) oil spill occurred April 20, 2010 to July 15, 2010, releasing a surface slick of crude oil extending to ~176,000 km2 in the Gulf of Mexico (GOM). Crude oil is comprised of thousands of organic compounds, many of which are toxic or carcinogenic. There is concern that some petroleum-derived toxic and carcinogenic hydrocarbons from the DWH spill may have volatilized and transported landward to the Gulf Coast States. It is important to determine the fate of these oil-derived compounds since their landward transport and inhalation may compromise human health. Polycyclic aromatic hydrocarbons (PAHs) are one suite of organic compounds that have been used to fingerprint oil to identify its source. In this study, the relative abundance of 34 PAHs derived from the DWH spill were compared to those found in oil from natural seeps in the northern GOM and from various sources in the Santa Barbara Channel, CA. The PAH distributions of the DWH oil were also compared to PAH distributions in air and water samples collected from several coastal sites in the Gulf Coast States sampled in July, 2010 and July, 2011. Additionally, the distributions of PAHs in air and water samples were compared before and after passage of Tropical Storm (TS) Bonnie (2010) that traveled across the GOM in late July, 2010. Lastly, particulate organic carbon and black carbon (a combustion byproduct) were extracted from these air samples to provide more information on the sources of air masses in the region. The results from this study suggest that the DWH riser oil contained ~3,600 [mu]g g−1 of total PAHs and an average ~500 [mu]g g−1 of PAHs in the surface slick. Ambient level of PAHs in air and water collected from coastal areas of the GOM were similar between 2010 and 2011, despite the presence of the oil slick from the DWH spill. However, our results indicate that the marine-to-land transport vector was facilitated by passage of TS Bonnie across the DWH oil slick in July, 2010. For example, the total atmospheric PAH loading to window film (a passive air sampler) increased by a factor-of-fifty after the passage of the storm, and the TS Bonnie rainwater contained dissolved organic carbon with a 14C age of ~8,000 y BP. Together, these results suggest that marine-to-land atmospheric loading of organic carbon and contaminants may be important during tropical storms and hurricanes.
Author: Maria Josefina Olascoaga
Publisher: Frontiers Media SA
ISBN: 2832540287
Category : Science
Languages : en
Pages : 259
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In response to the Deepwater Horizon oil spill in the Gulf of Mexico (GoM), and given the increased activities of the offshore oil industry, an international multidisciplinary consortium - the CIGOM Consortium - was funded by Mexico's Energy Secretariat (SENER) and its National Council for Science and Technology (CONACyT). Spanning 2015-2022, CIGOM's goals were to establish an environmental baseline to characterize the southern GOM’s natural variability and contribute to the understanding of ecosystem function, use cutting-edge technologies to observe the ocean, couple physical circulation and biogeochemical models to gain understating of oceanographic processes, generate oil spill scenarios using model ensembles and statistical techniques and conducting vulnerability assessments. Over 300 researchers participated in the CIGOM consortium's efforts.
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Category : Health risk assessment
Languages : en
Pages : 28
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Author: Andres Hugo Arias
Publisher: CRC Press
ISBN: 135133753X
Category : Science
Languages : en
Pages : 326
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During the recent decades, social, political and academic endeavours have been made to improve environmental quality and reduce pollution. In particular, the ocean, sea and coastal areas show varying degrees of impact from the multiple human activities carried out in the terrestrial as well as in the aquatic environment. Ecology is a science which studies the relationship between organisms and the surrounding environment and in the modern era, the marine world is getting increasing attention. For centuries it has been the final reservoir of human garbage; later it became an oil farm with a concomitant increase of coastal population growth and unplanned growth of the fishing industry and the increasing use of sea routes for cargo transport and recreational uses (cruises). All this led to rising contamination with negative effects on biota and even human health. It is then imperative to know the current situation of the world's oceans: that is the main purpose of this book, to document at a glance the latest research in the field of ocean pollution.
Author: Jose Luis Sericano
Publisher:
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Category : Hydrocarbons
Languages : en
Pages : 246
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Author:
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ISBN:
Category : Polycyclic aromatic hydrocarbons
Languages : en
Pages : 500
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Author: Atheer Saieb Naji Al-Azawey
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659497018
Category :
Languages : en
Pages : 244
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Book Description
in this book there are some methods to extraction of polycyclic aromatic hydrocarbons(with some modified) from many environmental medium, measured it and measured the physical and chemical properties for these medium and study the phytoplanktons and analyzed by statistical process. finally explain the using of some phytoplanktons as bioindicators, biosensors and biomonitors. this book very benefit for any searchers in polycyclic aromatic hydrocarbons, phytoplanktons and physical and chemical properties for water, sediments and organisms.
Author: Kazuichi Hayakawa
Publisher: Springer
ISBN: 9789811067747
Category : Medical
Languages : en
Pages : 0
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Book Description
This book reviews Polycyclic Aromatic Hydrocarbons (PAHs) and Nitropolycyclic Aromatic Hydrocarbons (NPAHs) contamination in the context of environmental pollution in Asia. It is comprised of the following sections: 1. Fundamental Chemistry and General Characteristics; 2. Analytical Methods; 3. Emission Source and Atmospheric Behavior; 4. Atmospheric Polycyclic Aromatic Hydrocarbons and PM2.5; 5. Polycyclic Aromatic Hydrocarbons in Marine Environments; 6. Metabolic Activation/Toxicities; and 7. Environmental Standards and Guidelines. This volume concentrates on the Far East due to the massive consumption of coal and petroleum in China, which has led to considerable levels of air pollution. High concentration of atmospheric PM2.5 in Beijing have been reported since January 2013 and exposure to such high concentrations may cause respiratory, cardiac and lung diseases. Gathering contributions from international experts, this volume provides a valuable reference guide for global researchers and students interested in learning from the East Asian experience.
Author: John. A. Helfrich
Publisher:
ISBN:
Category : Aromatic hydrocarbons
Languages : en
Pages : 396
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