Parameterization of submesoscale eddy-rich flows using a stochastic velocity model

被引:7
作者
Caglar, Mine
Ozgokmen, Tamay M.
Piterbarg, Leonid I.
机构
[1] Univ Miami, Rosenstiel Sch Marine & Atmospher Sci, MPO Div, Miami, FL 33149 USA
[2] Koc Univ, Dept Math, Istanbul, Turkey
[3] Univ So Calif, Dept Math, Los Angeles, CA 90089 USA
关键词
D O I
10.1175/JTECH1952.1
中图分类号
P75 [海洋工程];
学科分类号
0814 ; 081505 ; 0824 ; 082401 ;
摘要
In light of the recent high-resolution radar data of surface velocity, which have revealed submesoscale eddies between the Florida Current and the coast, an objective method of detecting eddies and estimating their parameters such as center coordinates, size, and intensity is suggested. The obtained statistics are used to parametrically represent the birth-death process of eddies filling up the observation area via a model stochastic velocity field known as Cinlar flow. It appears that the suggested approach leads to a reasonable parameterization of this process for potential future use in OGCMs or coastal models.
引用
收藏
页码:1745 / 1758
页数:14
相关论文
共 21 条
[1]  
[Anonymous], 1997, ELEMENTARY DIFFERENT
[2]   SELF-SIMILAR COHERENT STRUCTURES IN TWO-DIMENSIONAL DECAYING TURBULENCE [J].
BENZI, R ;
PATARNELLO, S ;
SANTANGELO, P .
JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 1988, 21 (05) :1221-1237
[3]   Random-forcing model of the mesoscale oceanic eddies [J].
Berloff, PS .
JOURNAL OF FLUID MECHANICS, 2005, 529 :71-95
[4]   Dispersion of mass by two-dimensional homogeneous and incompressible Cinlar flows [J].
Çaglar, M .
APPLIED MATHEMATICAL MODELLING, 2003, 27 (12) :997-1011
[5]   Simulation of homogeneous and incompressible Cinlar flows [J].
Çaglar, M .
APPLIED MATHEMATICAL MODELLING, 2000, 24 (04) :297-314
[6]   Lyapunov exponents of Poisson shot-noise velocity fields [J].
Çaglar, M ;
Çinlar, E .
STOCHASTIC PROCESSES AND THEIR APPLICATIONS, 2001, 94 (01) :29-49
[7]   The influence of loop current perturbations on the formation and evolution of Tortugas eddies in the southern Straits of Florida [J].
Fratantoni, PS ;
Lee, TN ;
Podesta, GP ;
Muller-Karger, F .
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, 1998, 103 (C11) :24759-24779
[8]   STOCHASTIC MODELING OF SEAFLOOR MORPHOLOGY - INVERSION OF SEA BEAM DATA FOR 2ND-ORDER STATISTICS [J].
GOFF, JA ;
JORDAN, TH .
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH AND PLANETS, 1988, 93 (B11) :13589-13608
[9]   Characterizing the spatiotemporal dynamics of turbulence [J].
Guan, SG ;
Lai, CH ;
Wei, GW .
COMPUTER PHYSICS COMMUNICATIONS, 2003, 155 (02) :77-91
[10]   Practical implementation of nonlinear time series methods: The TISEAN package [J].
Hegger, R ;
Kantz, H ;
Schreiber, T .
CHAOS, 1999, 9 (02) :413-435