DOI: 10.1016/j.atmosenv.2014.01.020
Scopus记录号: 2-s2.0-84896008652
论文题名: Impact of emissions from shipping, land, and the ocean on stratocumulus cloud water elemental composition during the 2011 E-PEACE field campaign
作者: Wang Z ; , Sorooshian A ; , Prabhakar G ; , Coggon M ; M ; , Jonsson H ; H
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 89 起始页码: 570
结束页码: 580
语种: 英语
英文关键词: Cloud processing
; Cloud water
; Coastal region
; Iron
; Marine
; Metals
; Nutrients
; Ocean
; Shipping
Scopus关键词: Clouds
; Coastal zones
; Freight transportation
; Iron
; Metals
; Nutrients
; pH
; Ships
; Trace elements
; Cloud processing
; Cloud water
; Coastal regions
; Marine
; Ocean
; Oceanography
; antimony
; cesium ion
; iron
; manganese
; nitrate
; oxalic acid
; phosphorus derivative
; silicon
; sulfate
; titanium
; trace element
; vanadium
; water
; aerosol
; air mass
; aluminum
; cloud condensation nucleus
; cloud water
; coastal zone
; concentration (composition)
; iron
; oxalic acid
; pH
; shipping
; stratocumulus
; wet deposition
; aircraft
; article
; boundary layer
; cloud
; coastal waters
; concentration (parameters)
; controlled study
; environmental impact
; exhaust gas
; pH
; pH measurement
; priority journal
; sea
; ship
; United States
; wet deposition
; California
; San Francisco [California]
; United States
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: This study reports on cloud water chemical and pH measurements off the California coast during the July-August 2011 Eastern Pacific Emitted Aerosol Cloud Experiment (E-PEACE). Eighty two cloud water samples were collected by a slotted-rod cloud water collector protruding above the Center for Interdisciplinary Remotely-Piloted Aircraft Studies (CIRPAS) Twin Otter in boundary layer stratocumulus clouds impacted to varying degrees by ocean-derived emissions, ship exhaust, and land emissions. Cloud water pH ranged between 2.92 and 7.58, with an average of 4.46. Peak pH values were observed north of San Francisco, simultaneous with the highest concentrations of Si, B, and Cs, and air masses originating over land. The lowest pH values were observed south of San Francisco due to ship emissions resulting in the highest concentrations of sulfate, nitrate, V, Fe, Al, P, Cd, Ti, Sb, P, and Mn. Many of these species act as important agents in aqueous-phase reactions in cloud drops and are critical ocean micronutrients after subsequent wet deposition in an ocean system that can be nutrient-limited. E-PEACE measurements suggest that conditions in the California coastal zone region can promote the conversion of micronutrients to more soluble forms, if they are not already, due to acidic cloud water conditions, the ubiquity of important organic agents such as oxalic acid, and the persistence of stratocumulus clouds to allow for continuous cloud processing. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81284
Appears in Collections: 气候变化事实与影响
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作者单位: Chemical and Environmental Engineering, University of Arizona, PO Box 210011, Tucson, AZ 85721, United States; Atmospheric Sciences, University of Arizona, PO Box 210081, Tucson, AZ 85721, United States; Department of Chemical Engineering, California Institute of Technology, 1200 E. California Blvd., Pasadena, CA 91125, United States; Center for Interdisciplinary Remotely Piloted Aircraft Studies, Naval Postgraduate School, Monterey, CA 93943, United States
Recommended Citation:
Wang Z,, Sorooshian A,, Prabhakar G,et al. Impact of emissions from shipping, land, and the ocean on stratocumulus cloud water elemental composition during the 2011 E-PEACE field campaign[J]. Atmospheric Environment,2014-01-01,89