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Open Access item Detection of a weak meddy-like anomaly from high-resolution satellite SST maps

Other Titles:Detección de una débil anomalía tipo meddy a partir de mapas SST de alta resolución
Authors:Emelianov, Mikhail
Claret, Mariona
Fraile-Nuez, E.
Pastor, Maria V.
Láiz, I.
Salvador, Joaquín
Pelegrí, Josep Lluís
Turiel, Antonio
Keywords:Meddy, Observation in situ, Satellite image, Thermohaline anormaly, Vorticity
Issue Date:2012
Publisher:Consejo Superior de Investigaciones Científicas (España)
Citation:Scientia Marina 76(sup. 1): 229-234 (2012)
Abstract:Despite the considerable impact of meddies on climate through the long-distance transport of properties, a consistent observation of meddy generation and propagation in the ocean is rather elusive. Meddies propagate at about 1000 m below the ocean surface, so satellite sensors are not able to detect them directly and finding them in the open ocean is more fortuitous than intentional. However, a consistent census of meddies and their paths is required in order to gain knowledge about their role in transporting properties such as heat and salt. In this paper we propose a new methodology for processing high-resolution sea surface temperature maps in order to detect meddy-like anomalies in the open ocean on a near-real-time basis. We present an example of detection, involving an atypical meddy-like anomaly that was confirmed as such by in situ measurements.
Publisher version (URL):http://dx.doi.org/10.3989/scimar.03619.19I
URI:http://hdl.handle.net/10261/55490
ISSN:0214-8358
E-ISSNmetadata.dc.identifier.doi = DOI:1886-8134
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