DOI: 10.1016/j.marpolbul.2017.08.015
Scopus记录号: 2-s2.0-85028327161
论文题名: How the dispersant Corexit impacts the formation of sinking marine oil snow
作者: Passow U. ; Sweet J. ; Quigg A.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2017
卷: 125, 期: 2018-01-02 起始页码: 139
结束页码: 145
语种: 英语
英文关键词: Aggregation
; Diatoms
; Dispersant Corexit
; Gulf of Mexico
; Marine oil snow
; Oil spill
Scopus关键词: Agglomeration
; Damage detection
; Oil spills
; Sedimentation
; Snow
; Conceptual frameworks
; Deepwater horizons
; Diatoms
; Dispersants
; Gulf of Mexico
; Marine oil
; Sedimentation rates
; Vertical transports
; Marine pollution
; accumulation
; conceptual framework
; diatom
; dispersant
; marine pollution
; oil spill
; pollutant transport
; seafloor
; chemical binding
; conceptual framework
; diatom
; Gulf of Mexico
; nonhuman
; oil spill
; sedimentation rate
; Atlantic Ocean
; Gulf of Mexico
; Bacillariophyta
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: The vertical transport of sinking marine oil snow (MOS) and oil-sediment aggregations (OSA) during the Deepwater Horizon (DwH) spill contributed appreciably to the unexpected, and exceptional accumulation of oil on the seafloor. However, the role of the dispersant Corexit in mediating oil-sedimentation is still controversial. Here we demonstrate that the formation of diatom MOS is enhanced by chemically undispersed oil, but inhibited by Corexit-dispersed oil. Nevertheless, the sedimentation rate of oil may at times be enhanced by Corexit application, because of an elevated oil content per aggregate when Corexit is used. A conceptual framework explains the seemingly contradictory effects of Corexit application on the sedimentation of oil and marine particles. The redistribution of oil has central ecological implications, and future decisions on mediating measures or damage assessment will have to take the formation of sinking, oil-laden, marine snow into account. © 2017 The Authors Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/87395
Appears in Collections: 过去全球变化的重建 全球变化的国际研究计划
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作者单位: Marine Science Institute, University of California Santa BarbaraCA, United States; Department of Marine Biology, Texas A&M University at Galveston, Galveston, TX, United States; Department of Oceanography, Texas A&M University, College Station, TX, United States
Recommended Citation:
Passow U.,Sweet J.,Quigg A.. How the dispersant Corexit impacts the formation of sinking marine oil snow[J]. Marine Pollution Bulletin,2017-01-01,125(2018-01-02)