NDLI: Descriptors for sea surface temperature front regularity characterization

Content Provider	IEEE Xplore Digital Library
Author	Ba, S.O. Fablet, R. Pastor, D. Chapron, B.
Copyright Year	2010
Description	Author affiliation: CERSAT, IFREMER, Technopole Brest Iroise, Plouzané, 29238, France (Chapron, B.) \|\| Lab-STICC, Université Européenne de Bretagne, Technopole Brest Iroise, Plouzané, 29238, France (Ba, S.O.; Fablet, R.; Pastor, D.)
Abstract	Monitoring sea surface temperature (SST) is of high interest. The dynamics of climatic events such as tropical storms or cyclones are closely related to the sea surface temperature [1,2]. An important research topic in oceanography is about the understanding of the interactions between the ocean's surface and it's deeper layers [3–5]. In [3] Lapeyre et al show that in the case of baroclinic unstable flows, the potential vorticity of mesoscale and submesoscale structures in the ocean interior are strongly correlated to the surface density structures. Thus, in frontal regions, knowledge of the ocean surface structures regularity gives insights about the 3D dynamics of the ocean. In this paper we focus on the analysis of the SST images level lines regularity from satellites images in regions in the neighborhood of oceanic fronts. Two regions of interest are considered: the region of Benguela and the region of Malvinas. Our investigations suggest that SST fronts belong to the class of statistical self similar curves. Taking into account self similar curves properties, we propose local curvature based descriptors for SST front region regularity characterization. We experimentally assess the efficiency of our descriptors by measuring their ability to capture SST image regularity seasonal variations. The remaining of this paper is organized as follows. Section 2 gives arguments allowing to conclude that SST fronts can be considered as statistically self similar curves. Section 3 presents the SST image regularity descriptors we propose. Finally, the experiments we conducted to assess the effectiveness of the descriptors are presented in Section 4.
Starting Page	669
Ending Page	672
File Size	244666
Page Count	4
File Format	PDF
ISBN	9781424495658
ISSN	21537003
e-ISBN	9781424495665
e-ISBN	9781424495641
DOI	10.1109/IGARSS.2010.5651653
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-07-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ocean temperature Sea surface Windings Temperature sensors Book reviews Sea measurements
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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