Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent

This paper document the usefulness of offshore and coastal wind maps from satellite techniques. As a step before metering programs, remote sensing approaches are gaining much interest, especially for offshore analysis. As an intermediate approach, it gives first estimates of the best wind sites. In...

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Autores principales:	Julien Choisnard, Gaétan Lafrance, Monique Bernier
Formato:	article
Lenguaje:	FR
Publicado:	Éditions en environnement VertigO 2004
Materias:	coastal offshore RADARSAT-1 remote sensing spatial wind variability wind resource Environmental sciences GE1-350
Acceso en línea:	https://doaj.org/article/e0bc25cc631c4fbe8a3c9a3c1ca2bac0
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id	oai:doaj.org-article:e0bc25cc631c4fbe8a3c9a3c1ca2bac0
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spelling	oai:doaj.org-article:e0bc25cc631c4fbe8a3c9a3c1ca2bac02021-12-02T10:01:08ZDéveloppement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent1492-844210.4000/vertigo.4001https://doaj.org/article/e0bc25cc631c4fbe8a3c9a3c1ca2bac02004-05-01T00:00:00Zhttp://journals.openedition.org/vertigo/4001https://doaj.org/toc/1492-8442This paper document the usefulness of offshore and coastal wind maps from satellite techniques. As a step before metering programs, remote sensing approaches are gaining much interest, especially for offshore analysis. As an intermediate approach, it gives first estimates of the best wind sites. In the complex coastal area of St-Lawrence gulf, strong effects of local topography characterize wind fields and the wind resource assessment is challenging. Wind fields are extracted from Synthetic Aperture Radar (SAR) scenes provided by the RADARSAT-1 satellite and from QuickSCAT scatterometer collocated wind direction. The spatial resolution of such a technique is around 400 m covering wide region until 300 by 300 km. Among interesting findings, it appears that a relative small sample of scenes can already indicates the best spots to investigate for further analysis. Accuracy of the method is evaluated at 1.5 m/s offshore and around 2 m/s close to the shore.Julien ChoisnardGaétan LafranceMonique BernierÉditions en environnement VertigOarticlecoastaloffshoreRADARSAT-1remote sensingspatial wind variabilitywind resourceEnvironmental sciencesGE1-350FRVertigO, Vol 5, Iss 1 (2004)
institution	DOAJ
collection	DOAJ
language	FR
topic	coastal offshore RADARSAT-1 remote sensing spatial wind variability wind resource Environmental sciences GE1-350
spellingShingle	coastal offshore RADARSAT-1 remote sensing spatial wind variability wind resource Environmental sciences GE1-350 Julien Choisnard Gaétan Lafrance Monique Bernier Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent
description	This paper document the usefulness of offshore and coastal wind maps from satellite techniques. As a step before metering programs, remote sensing approaches are gaining much interest, especially for offshore analysis. As an intermediate approach, it gives first estimates of the best wind sites. In the complex coastal area of St-Lawrence gulf, strong effects of local topography characterize wind fields and the wind resource assessment is challenging. Wind fields are extracted from Synthetic Aperture Radar (SAR) scenes provided by the RADARSAT-1 satellite and from QuickSCAT scatterometer collocated wind direction. The spatial resolution of such a technique is around 400 m covering wide region until 300 by 300 km. Among interesting findings, it appears that a relative small sample of scenes can already indicates the best spots to investigate for further analysis. Accuracy of the method is evaluated at 1.5 m/s offshore and around 2 m/s close to the shore.
format	article
author	Julien Choisnard Gaétan Lafrance Monique Bernier
author_facet	Julien Choisnard Gaétan Lafrance Monique Bernier
author_sort	Julien Choisnard
title	Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent
title_short	Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent
title_full	Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent
title_fullStr	Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent
title_full_unstemmed	Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent
title_sort	développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du st-laurent
publisher	Éditions en environnement VertigO
publishDate	2004
url	https://doaj.org/article/e0bc25cc631c4fbe8a3c9a3c1ca2bac0
work_keys_str_mv	AT julienchoisnard developpementdestechniquesspatialesdecartographiedupotentieleolienoffshoreetcotierparimagerieradarsatcasdugolfedustlaurent AT gaetanlafrance developpementdestechniquesspatialesdecartographiedupotentieleolienoffshoreetcotierparimagerieradarsatcasdugolfedustlaurent AT moniquebernier developpementdestechniquesspatialesdecartographiedupotentieleolienoffshoreetcotierparimagerieradarsatcasdugolfedustlaurent
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Développement des techniques spatiales de cartographie du potentiel éolien offshore et côtier par imagerie radarsat : cas du golfe du St-Laurent

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