DOI: 10.1016/j.marpolbul.2014.09.053
Scopus记录号: 2-s2.0-84914153500
论文题名: Finite-time compressibility as an agent of frequent spontaneous patch formation in the surface layer: A case study for the Gulf of Finland, the Baltic Sea
作者: Giudici A. ; Soomere T.
刊名: Marine Pollution Bulletin
ISSN: 0025-326X
EISSN: 1879-3363
出版年: 2014
卷: 89, 期: 2018-01-02 起始页码: 239
结束页码: 249
语种: 英语
英文关键词: Baltic Sea
; Flow compressibility
; Lagrangian transport
; Maritime pollution
; Patch formation
; Pollution control
Scopus关键词: Lagrange multipliers
; Pollution
; Pollution control
; Velocity
; Baltic sea
; Eastern regions
; Lagrangian transport
; Maritime pollution
; Patch formation
; Spontaneous formation
; Surface velocity
; Time correlations
; Compressibility
; compressible flow
; concentration (composition)
; downwelling
; Lagrangian analysis
; marine pollution
; pollutant
; pollution control
; surface layer
; analytical parameters
; Article
; Baltic Sea
; biogeographic region
; case study
; concentration (parameters)
; finite time flow compressibility
; Finland
; Lagrangian transport
; patch formation
; physical parameters
; pollution monitoring
; pollution transport
; sea pollution
; sea surface waters
; simulation
; velocity
; Baltic States
; chemistry
; theoretical model
; water flow
; water pollution
; Atlantic Ocean
; Baltic Sea
; Gulf of Finland
; sea water
; Baltic States
; Finland
; Models, Theoretical
; Seawater
; Water Movements
; Water Pollution
Scopus学科分类: Agricultural and Biological Sciences: Aquatic Science
; Earth and Planetary Sciences: Oceanography
; Environmental Science: Pollution
英文摘要: We explore the possibilities for spontaneous formation of surface patches with high concentrations of contaminants through time correlations of the convergence field and the Lagrangian transport. The test area is the Gulf of Finland, the Baltic Sea, where surface velocity fields show extensive convergence. The flow properties are extracted from 3D velocity fields simulated for 1987-1991 using the OAAS model with a resolution of 1. mile. The focus is on the spatial distribution of the areas in which the values of finite-time flow compressibility of surface velocity fields exceed the threshold for clustering of floats. The distribution of such areas is asymmetric, with likely areas of patch formation located predominantly in the southern and eastern regions of the gulf. Out of nine areas of likely patch formation, six are located along the coast in regions of frequent downwelling, while three are identified in the central region of the gulf. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/85211
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: Institute of Cybernetics, Tallinn University of Technology, Akadeemia tee 21, Tallinn, Estonia; Estonian Academy of Sciences, Kohtu 6, Tallinn, Estonia
Recommended Citation:
Giudici A.,Soomere T.. Finite-time compressibility as an agent of frequent spontaneous patch formation in the surface layer: A case study for the Gulf of Finland, the Baltic Sea[J]. Marine Pollution Bulletin,2014-01-01,89(2018-01-02)