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Modeling of landslide-generated tsunamis with GRASS / M. Cannata in Transactions in GIS, vol 16 n° 2 (April 2012)
[article]
Titre : Modeling of landslide-generated tsunamis with GRASS Type de document : Article/Communication Auteurs : M. Cannata, Auteur ; R. Marzocchi, Auteur ; Monia Elisa Molinari, Auteur Année de publication : 2012 Article en page(s) : pp 191 - 214 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse spatiale
[Termes IGN] effondrement de terrain
[Termes IGN] GRASS
[Termes IGN] Italie
[Termes IGN] lac
[Termes IGN] risque naturel
[Termes IGN] simulation
[Termes IGN] tsunamiRésumé : (Auteur) The following research aims to enhance and spread the capacity of assessing risk due to landslide-generated tsunamis by fostering the use of a GIS (Geographic Information System), and in this particular instance, an Open Source GIS (where “Open Source” can be loosely defined as freely available source code). For this purpose, we tested a procedure to be spatially implemented in the Open Source GRASS GIS through developing a module named r.impact.tsunami that simulates landslide-generated tsunami. In this article we present its application in a case study performed on Como Lake (Lago di Como) in northern Italy. The review of the results identified sources of uncertainties while the model sensitivity outlined the influence of the parameters governing the model. Moreover, in order to verify the model validity, we implemented a new module (r.swe), that simulates the tsunami propagation and run-up with the shallow water equations, and compared the results. Notwithstanding non-negligible differences, the two models produced results of the same magnitude; this confirmed the validity of both models, although a rigorous validation of the models could not be performed due to the lack of observed data. Numéro de notice : A2012-160 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1111/j.1467-9671.2012.01315.x Date de publication en ligne : 13/04/2012 En ligne : https://doi.org/10.1111/j.1467-9671.2012.01315.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31607
in Transactions in GIS > vol 16 n° 2 (April 2012) . - pp 191 - 214[article]Comprendre l'écologie des grands lacs alpins / Catherine Donnars in INRA magazine, n° 9 (juin 2009)
[article]
Titre : Comprendre l'écologie des grands lacs alpins Type de document : Article/Communication Auteurs : Catherine Donnars, Auteur Année de publication : 2009 Article en page(s) : p. 25-28 Langues : Français (fre) Descripteur : [Vedettes matières IGN] Ecologie
[Termes IGN] lacNuméro de notice : IFN_3823 Affiliation des auteurs : non IGN Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=72405
in INRA magazine > n° 9 (juin 2009) . - p. 25-28[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité IFN-001-P000445 PER Revue Nogent-sur-Vernisson Salle périodiques Exclu du prêt Landsat sub-pixel analysis in mapping impact of climatic variability on prairie pothole changes / B. Zhang in Transactions in GIS, vol 13 n° 2 (April 2009)
[article]
Titre : Landsat sub-pixel analysis in mapping impact of climatic variability on prairie pothole changes Type de document : Article/Communication Auteurs : B. Zhang, Auteur ; F. Schwartz, Auteur ; D. Tong, Auteur Année de publication : 2009 Article en page(s) : pp 179 - 195 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse infrapixellaire
[Termes IGN] cartographie thématique
[Termes IGN] changement climatique
[Termes IGN] classification ascendante hiérarchique
[Termes IGN] classification par arbre de décision
[Termes IGN] classification pixellaire
[Termes IGN] Dakota du Sud (Etats-Unis)
[Termes IGN] détection de changement
[Termes IGN] image Landsat
[Termes IGN] lac
[Termes IGN] sécheresse
[Termes IGN] système d'information géographique
[Termes IGN] variation saisonnière
[Termes IGN] zone humideRésumé : (Auteur) The Prairie Pothole Region in the United States contains millions of seasonal, semi-permanent, or permanent lakes and wetlands that typically range in size from 0.1 to 10 ha. These lakes and wetlands are vulnerable to climate change, especially in our study area in South Dakota, in which a period of deluge following a sharp drought considerably expanded the areal extent of prairie pothole lakes during the last decade of the twentieth century. Preliminary estimates of lake areas, determined using LANDSAT 5 and 7 images, had appreciable errors especially for the smallest of these lakes. This article describes a new sub-pixel approach integrated with a CART (Classification and Regression Tree) model using a GIS (Geographical Information System) to quantify mixed water pixels along lake boundaries to improve area estimations for pothole lakes. Errors in estimated area were typically 10% or less for lakes greater than 1 ha in size. An analysis of lakes in our study area demonstrates how lake area changed with the transition from drought to deluge. Small lakes exhibited a distinct seasonal variation in contrast to large lakes that tended to follow precipitation trends more broadly. The total water area of lakes is consistent with broad variation in rainfall. Numéro de notice : A2009-541 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1111/j.1467-9671.2009.01149.x En ligne : https://doi.org/10.1111/j.1467-9671.2009.01149.x Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30170
in Transactions in GIS > vol 13 n° 2 (April 2009) . - pp 179 - 195[article]Application of spectral decomposition algorithm for mapping water quality in a turbid lake (Lake Kasumigaura, Japan) from Landsat TM data / Y. Oyama in ISPRS Journal of photogrammetry and remote sensing, vol 64 n° 1 (January - February 2009)
[article]
Titre : Application of spectral decomposition algorithm for mapping water quality in a turbid lake (Lake Kasumigaura, Japan) from Landsat TM data Type de document : Article/Communication Auteurs : Y. Oyama, Auteur ; B. Matsushita, Auteur ; et al., Auteur Année de publication : 2009 Article en page(s) : pp 73 - 85 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image optique
[Termes IGN] analyse diachronique
[Termes IGN] analyse discriminante
[Termes IGN] analyse linéaire des mélanges spectraux
[Termes IGN] décomposition d'image
[Termes IGN] image Landsat-TM
[Termes IGN] Japon
[Termes IGN] lac
[Termes IGN] matière organique
[Termes IGN] modélisation radiométrique de prise de vue
[Termes IGN] qualité des eaux
[Termes IGN] sédiment
[Termes IGN] turbidité des eauxRésumé : (Auteur) The remote sensing of Case 2 water has been far less successful than that of Case 1 water, due mainly to the complex interactions among optically active substances (e.g., phytoplankton, suspended sediments, colored dissolved organic matter, and water) in the former. To address this problem, we developed a spectral decomposition algorithm (SDA), based on a spectral linear mixture modeling approach. Through a tank experiment, we found that the SDA-based models were superior to conventional empirical models (e.g. using single band, band ratio, or arithmetic calculation of band) for accurate estimates of water quality parameters. In this paper, we develop a method for applying the SDA to Landsat-5 TM data on Lake Kasumigaura, a eutrophic lake in Japan characterized by high concentrations of suspended sediment, for mapping chlorophyll-a (Chl-a) and non-phytoplankton suspended sediment (NPSS) distributions. The results show that the SDA-based estimation model can be obtained by a tank experiment. Moreover, by combining this estimation model with satellite-SRSs (standard reflectance spectra : i.e., spectral endmembers) derived from biooptical modeling, we can directly apply the model to a satellite image. The same SDA-based estimation model for Chl-a concentration was applied to two Landsat-5 TM images, one acquired in April 1994 and the other in February 2006. The average Chl-a estimation error between the two was 9.9%, a result that indicates the potential robustness of the SDA-based estimation model. The average estimation error of NPSS concentration from the 2006 Landsat-5 TM image was 15.9%. The key point for successfully applying the SDA-based estimation model to satellite data is the method used to obtain a suitable satellite-SRS for each end-member. Numéro de notice : A2009-029 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1016/j.isprsjprs.2008.04.005 En ligne : https://doi.org/10.1016/j.isprsjprs.2008.04.005 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29659
in ISPRS Journal of photogrammetry and remote sensing > vol 64 n° 1 (January - February 2009) . - pp 73 - 85[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 081-09011 SL Revue Centre de documentation Revues en salle Disponible Spatially explicit modeling of phosphorus emissions: integrating GIS and remote sensing for hydrological modelling / H. Klug in Geoinformatics, vol 11 n° 8 (01/12/2008)
[article]
Titre : Spatially explicit modeling of phosphorus emissions: integrating GIS and remote sensing for hydrological modelling Type de document : Article/Communication Auteurs : H. Klug, Auteur ; P. Zeil, Auteur Année de publication : 2008 Article en page(s) : pp 32 - 35 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] Autriche
[Termes IGN] données hydrographiques
[Termes IGN] données météorologiques
[Termes IGN] géologie locale
[Termes IGN] lac
[Termes IGN] modèle numérique de surface
[Termes IGN] occupation du sol
[Termes IGN] pédologie locale
[Termes IGN] phosphore
[Termes IGN] pollution des eaux
[Termes IGN] système d'information géographiqueRésumé : (Auteur) Surface drainage contains nutrients and pollutants of diverses origines. While point sources are in most cases easily identified, the diffuse inflow via different channels is difficult to account for. Analyzing annual land-use and water-balance changes using GIS and remote sensing techniques can contribute to a spatial quantification of the impact on substance flows in mesoscale catchments. In the framework of the project "SeenLandWirtschaft", grassland areas of the Mondsee catchment were evaluated with regard to the emission of phosphorus discharge. Copyright GEOinformatics Numéro de notice : A2008-490 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29559
in Geoinformatics > vol 11 n° 8 (01/12/2008) . - pp 32 - 35[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 262-08081 SL Revue Centre de documentation Revues en salle Disponible A new algorithm for estimating chlorophyll-a concentration from multi-spectral satellite data in case 2 waters: a simulation based on a controlled laboratory experiment / Y. Oyoma in International Journal of Remote Sensing IJRS, vol 28 n°7-8 (April 2007)PermalinkIntégrer bathymétrie et LIDAR / Valerio Baiocchi in Géomatique expert, n° 55 (01/03/2007)PermalinkLUCC impact on sediment loads in sub-tropical rainy areas / X. Chen in Photogrammetric Engineering & Remote Sensing, PERS, vol 73 n° 3 (March 2007)PermalinkDelineating lakes and enclosed islands in satellite imagery by geodesic active contour model / C. Shen in International Journal of Remote Sensing IJRS, vol 27 n°23-24 (December 2006)PermalinkAutomatic change detection and updating of topographic databases by using satellite imagery : a level set approach / M.S. Allili in Geomatica, vol 59 n° 3 (September 2005)PermalinkRemote sensing of water quality for Burullus lake, Egypt / Kh. M. Dewidar in Geocarto international, vol 20 n° 3 (September - November 2005)PermalinkAssessing the potential of SeaWiFS and MODIS for estimating chlorophyll concentration in turbid productive waters using red and near-infrared bands / G. Dall'olmo in Remote sensing of environment, vol 96 n° 2 (30/05/2005)PermalinkRadial basis function neural networks classification using very high spatial resolution satellite imagery: an application to the habitat area of Lake Kerkini (Greece) / Iphigenia Keramitsoglou in International Journal of Remote Sensing IJRS, vol 26 n° 9 (May 2005)PermalinkMapping Lake CDOM [coloured dissolved organic matter] by satellite remote sensing / T. Kuster in Remote sensing of environment, vol 94 n° 4 (28/02/2005)PermalinkPotentiel comparé de l'imagerie radar et de Météosat Seconde Génération à la cartographie et à la surveillance des crues des plans d'eau à Madagascar / L.T. Randrianarison (2005)PermalinkAssessment of the use of remote sensing techniques for locating and mapping ordinary high water lines for lakes Kissimmee and Hatchineha in Florida / S. Smith in Surveying and land information science, vol 64 n° 2 (01/06/2004)PermalinkSurveillance et cartographie des plans d'eau et des zones humides et inondables en régions arides avec l'instrument Végétation embarqué sur SPOT-4 / Valéry Gond in International Journal of Remote Sensing IJRS, vol 25 n° 5 (March 2004)PermalinkMonitoring river and lake levels from space / J. Benveniste in ESA bulletin, n° 117 (February 2004)PermalinkAutomated subpixel photobathymetry and water quality mapping / R.L. Huguenin in Photogrammetric Engineering & Remote Sensing, PERS, vol 70 n° 1 (January 2004)PermalinkSpectral reflectance characterization of shallow lakes from the Brazilian pantanal wetlands with field and airborne hyperspectral data / L.S. Galvao in International Journal of Remote Sensing IJRS, vol 24 n° 21 (November 2003)PermalinkA comparative analysis of scanned maps and imagery for mapping applications / Costas Armenakis in ISPRS Journal of photogrammetry and remote sensing, vol 57 n° 5-6 (April - May 2003)PermalinkMapping an ecological disaster in Africa: space-borne SAR monitoring of water hyacinth on Lake Victoria / L. Schouten in GIM international, vol 17 n° 4 (April 2003)PermalinkStress and recovery in wetland ecosystems / Margien Bootsma (2000)Permalinkvol 74 n° 2 supplemento - Marzo - Aprile 1994 - Il Trasimeno fra passato e futuro (Bulletin de l'Universo) / Roberto MarriPermalinkMonographie physique des plans d'eau naturels du département de la Haute-Savoie, France / J. Sesiano (1993)Permalink