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« Previous AbstractSpatiotemporal distribution characteristics and potential sources of VOCs at an industrial harbor city in southern Taiwan: Three-year VOCs monitoring data analysis    Next AbstractSpatiotemporal distributions of halocarbons in the marine boundary air and surface seawater of the Changjiang estuary and its adjacent East China Sea »

Mar Pollut Bull


Title:Spatio-temporal distributions of chlorofluorocarbons and methyl iodide in the Changjiang (Yangtze River) estuary and its adjacent marine area
Author(s):Yuan D; Yang GP; He Z;
Address:"Key Laboratory of Marine Chemistry Theory and Technology, Ocean University of China, Ministry of Education/Qingdao Collaborative Innovation Center of Marine Science and Technology, Qingdao 266100, China; Institute of Marine Chemistry, Ocean University of China, Qingdao 266100, China. Key Laboratory of Marine Chemistry Theory and Technology, Ocean University of China, Ministry of Education/Qingdao Collaborative Innovation Center of Marine Science and Technology, Qingdao 266100, China; Laboratory of Marine Ecology and Environmental Science, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266200, China; Institute of Marine Chemistry, Ocean University of China, Qingdao 266100, China. Electronic address: gpyang@ouc.edu.cn"
Journal Title:Mar Pollut Bull
Year:2016
Volume:20151218
Issue:1-Feb
Page Number:247 - 259
DOI: 10.1016/j.marpolbul.2015.12.012
ISSN/ISBN:1879-3363 (Electronic) 0025-326X (Linking)
Abstract:"Temporal and spatial distribution patterns of volatile halogenated organic compounds (VHOCs), such as dichlorodifluoromethane (CFC-12), trichlorofluoromethane (CFC-11), trichlorotrifluoroethane (CFC-113), and methyl iodide (CH3I), in the Changjiang (Yangtze River) estuary and its adjacent marine area were measured during two cruises from 21 February to 10 March 2014 and from 10 to 21 July 2014. VHOC concentrations showed seasonal variation with higher values during winter. VHOC distributions evidently decreased along the freshwater plume from the river mouth to the open sea and from inshore to offshore regions. VHOC distributions were obviously influenced by the Changjiang runoff, anthropogenic inputs, and biological release of phytoplankton. The study area was a net sink for CFC-12 and CFC-11, but a net source for atmospheric CH3I during the study periods"
Keywords:"Chlorofluorocarbons/*analysis Estuaries Hydrocarbons, Iodinated/*analysis Oceans and Seas Phytoplankton Rivers/*chemistry Seasons Water Pollutants, Chemical/*analysis Changjiang (Yangtze River) estuary Chlorofluorocarbons Distribution Methyl iodide Sea-to;"
Notes:"MedlineYuan, Da Yang, Gui-Peng He, Zhen eng Research Support, Non-U.S. Gov't England 2015/12/29 Mar Pollut Bull. 2016 Feb 15; 103(1-2):247-259. doi: 10.1016/j.marpolbul.2015.12.012. Epub 2015 Dec 18"

 
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