Por favor, use este identificador para citar o enlazar a este item:
http://hdl.handle.net/10261/15545
COMPARTIR / EXPORTAR:
SHARE CORE BASE | |
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE | |
Título: | Microcanonical multifractal formalism: Application to the estimation of ocean surface velocities |
Autor: | Isern-Fontanet, Jordi CSIC ORCID ; Turiel, Antonio CSIC ORCID ; García-Ladona, Emilio CSIC ORCID ; Font, Jordi CSIC ORCID CVN | Palabras clave: | MSS method Remote sensing Operational oceanography MSS |
Fecha de publicación: | 11-may-2007 | Editor: | American Geophysical Union | Citación: | Journal of Geophysical Research: Oceans 112(C5): C05024 (2007) | Resumen: | In this paper we investigate the validity of the multifractal formalism to study sea surface temperature (SST). It is shown that SST patterns observed in moderate resolution SST images have anomalous scaling properties characteristic of a multifractal structure. The most probable origin of the observed structures is the turbulent character of the oceanic flow as they evolve slowly and are very persistent in times compatible with ocean mesoscale dynamics (several days). The spectrum of singularity exponents indicates that the dynamics of the processes leading to the geometrical arrangement of the SST patterns is quite general over the available range of scales. As a consequence, multifractal techniques can be used to extract properties of the underlying flow. In particular, the geometry of the SST multifractal components is closely linked with the ocean flow, which allows to build a reasonable guess of the streamfunction (defined as the maximum singular streamfunction (MSS)) from a single SST image. Thus the ocean surface velocity field can be easily inferred, with some limitations. As multifractal analysis is in essence a geometrical approach, the method is able to retrieve a high resolution velocity field, well localized in space, but with some indetermination on the modulus and sense of velocity vectors. To solve this, a general framework for the integration of extra information is proposed, what is illustrated with an example merging MSS with altimetric data | Descripción: | 18 pages, 11 figures, supporting information http://onlinelibrary.wiley.com/doi/10.1029/2006JC003878/suppinfo | Versión del editor: | https://doi.org/10.1029/2006JC003878 | URI: | http://hdl.handle.net/10261/15545 | DOI: | 10.1029/2006JC003878 | E-ISSN: | 2169-9291 |
Aparece en las colecciones: | (ICM) Artículos |
Ficheros en este ítem:
Fichero | Descripción | Tamaño | Formato | |
---|---|---|---|---|
Isern_et_al_2007.pdf | 1,18 MB | Adobe PDF | Visualizar/Abrir |
CORE Recommender
SCOPUSTM
Citations
47
checked on 23-abr-2024
WEB OF SCIENCETM
Citations
42
checked on 23-feb-2024
Page view(s)
453
checked on 23-abr-2024
Download(s)
216
checked on 23-abr-2024
Google ScholarTM
Check
Altmetric
Altmetric
NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.