Altimetric observations of propagating open-sea eddies in the Algerian basin

Altimetric observations of propagating open-sea eddies in the Algerian basin

1 page, 3 figures

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Bibliographic Details
Main Authors: Isern-Fontanet, Jordi, García-Ladona, Emilio, Font, Jordi, Emelianov, Mikhail
Format: informe técnico biblioteca
Published: International Commission for the Scientific Exploration of the Mediterranean Sea 2001
Subjects:Algerian basin, Mesoscale phenomena,, Remote sensing,
Online Access:http://hdl.handle.net/10261/202242
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spelling dig-icm-es-10261-2022422020-08-31T16:36:30Z Altimetric observations of propagating open-sea eddies in the Algerian basin Isern-Fontanet, Jordi García-Ladona, Emilio Font, Jordi Emelianov, Mikhail Algerian basin Mesoscale phenomena, Remote sensing 1 page, 3 figures A key question to adequately understand the circulation of the Western Mediterranean sea is the dynamics of the eddies within the Algerian basin. Such eddies in most cases are generated by instabilities of the Algerian current and last for several months within the basin. To adequatley study their dynamics and evolution we need observational data able to track them over their lifetime. This may be done efficiently by means of remote sensing data and commonly the infrared thermal images are used as a source to identify such mesoscale structures. In this work we present some results obtainned by analyzing the Sea Level Anomalies (SLA) maps, with a technique based on the second Galilean-Invariant of the velocity gradient tensor.This technique allows us to clearly detect the core regions of the mesoscale eddies within the Algerian basin. The analysis applied on SLA maps between 1992 and 1999 show that this methodology is coherent with previous studies and is able to distinguish two interacting eddies which can not be distinguished from visual inspection. It reveals that eddies follow a circuit in the eastern part of the Algerian basin composed by three main branches. In particular,The observations and the analysis show a region in the Algerian coast, near 3 º E, where eddies detach and drift westwards following the continental slope south of Ibiza Island 2020-02-28T09:39:13Z 2020-02-28T09:39:13Z 2001 2020-02-28T09:39:13Z informe técnico http://purl.org/coar/resource_type/c_18gh issn: 0373-434x Rapports et procès-verbaux des réunions - Commission internationale pour l'exploration scientifique de la mer Méditerranée 36: 68 (2001) http://hdl.handle.net/10261/202242 http://ciesm.org/online/archives/abstracts/pdf/36/CIESM_Congress_2001_Monaco_article_0068.htm Sí none International Commission for the Scientific Exploration of the Mediterranean Sea
institution ICM ES
collection DSpace
country España
countrycode ES
component Bibliográfico
access En linea
databasecode dig-icm-es
tag biblioteca
region Europa del Sur
libraryname Biblioteca del ICM España
topic Algerian basin
Mesoscale phenomena,
Remote sensing
Algerian basin
Mesoscale phenomena,
Remote sensing
spellingShingle Algerian basin
Mesoscale phenomena,
Remote sensing
Algerian basin
Mesoscale phenomena,
Remote sensing
Isern-Fontanet, Jordi
García-Ladona, Emilio
Font, Jordi
Emelianov, Mikhail
Altimetric observations of propagating open-sea eddies in the Algerian basin
description 1 page, 3 figures
format informe técnico
topic_facet Algerian basin
Mesoscale phenomena,
Remote sensing
author Isern-Fontanet, Jordi
García-Ladona, Emilio
Font, Jordi
Emelianov, Mikhail
author_facet Isern-Fontanet, Jordi
García-Ladona, Emilio
Font, Jordi
Emelianov, Mikhail
author_sort Isern-Fontanet, Jordi
title Altimetric observations of propagating open-sea eddies in the Algerian basin
title_short Altimetric observations of propagating open-sea eddies in the Algerian basin
title_full Altimetric observations of propagating open-sea eddies in the Algerian basin
title_fullStr Altimetric observations of propagating open-sea eddies in the Algerian basin
title_full_unstemmed Altimetric observations of propagating open-sea eddies in the Algerian basin
title_sort altimetric observations of propagating open-sea eddies in the algerian basin
publisher International Commission for the Scientific Exploration of the Mediterranean Sea
publishDate 2001
url http://hdl.handle.net/10261/202242
work_keys_str_mv AT isernfontanetjordi altimetricobservationsofpropagatingopenseaeddiesinthealgerianbasin
AT garcialadonaemilio altimetricobservationsofpropagatingopenseaeddiesinthealgerianbasin
AT fontjordi altimetricobservationsofpropagatingopenseaeddiesinthealgerianbasin
AT emelianovmikhail altimetricobservationsofpropagatingopenseaeddiesinthealgerianbasin
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