{"id":93,"date":"2026-04-30T09:41:34","date_gmt":"2026-04-30T08:41:34","guid":{"rendered":"https:\/\/sierra-risk.com\/?page_id=93"},"modified":"2026-09-08T09:37:05","modified_gmt":"2026-09-08T08:37:05","slug":"etudes","status":"publish","type":"page","link":"https:\/\/sierra-risk.com\/?page_id=93","title":{"rendered":"Etudes"},"content":{"rendered":"\n
<\/span>
\n

ETUDES – Neige et Avalanches<\/h2>\n\n\n\n
\n
\n

Analyse du manteau neigeux<\/strong><\/h2>\n\n\n\n

De l’observation \u00e0 la gestion<\/strong> de crise <\/p>\n\n\n\n

\n\n\n\n
    \n
  • Etude de la structure et stabilit\u00e9 du manteau<\/li>\n\n\n\n
  • Estimation du danger local <\/li>\n\n\n\n
  • Pr\u00e9visions de l’\u00e9volution du manteau neigeux<\/li>\n<\/ul>\n<\/div>\n\n\n\n
    \n

    Etudes de propagation d’avalanche<\/strong><\/h2>\n\n\n\n

    La mod\u00e9lisation au service de l’ing\u00e9nierie<\/strong><\/p>\n\n\n\n

    \n\n\n\n
      \n
    • Analyse des zones d\u00e9part<\/li>\n\n\n\n
    • Mod\u00e9lisation des propagations d’avalanche<\/li>\n\n\n\n
    • Analyse d’impact sur structures\/ouvrages<\/li>\n<\/ul>\n<\/div>\n\n\n\n
      \n

      Strat\u00e9gies de gestion de l’al\u00e9a<\/strong> avalanche<\/h2>\n\n\n\n

      Solutions face aux avalanches<\/p>\n\n\n\n

      \n\n\n\n
        \n
      • Calcul des actions de la neige<\/li>\n\n\n\n
      • Solutions face aux avalanches de glissement \/ reptations<\/li>\n\n\n\n
      • Dispositifs paravalanches actifs et passifs<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
        \n\n\n\n
        <\/span>
        \n

        ETUDES – Glaciologie et ROGP<\/h2>\n\n\n\n
        \n
        \n

        Traitement SIG<\/strong><\/h2>\n\n\n\n

        Valorisation et exploitation de donn\u00e9e<\/p>\n\n\n\n

        \n\n\n\n
          \n
        • Spatialisation et cartographie des processus et al\u00e9as<\/li>\n\n\n\n
        • Post-traitement de donn\u00e9es<\/li>\n\n\n\n
        • Traitement et acquisition de donn\u00e9es radar, Lidar, photogramm\u00e9trie.<\/li>\n<\/ul>\n<\/div>\n\n\n\n
          \n

          Mod\u00e9lisation glaciologique<\/strong><\/h2>\n\n\n\n

          La mod\u00e9lisation au service de la compr\u00e9hension des \u00e9volutions<\/strong><\/p>\n\n\n\n

          \n\n\n\n
            \n
          • Mod\u00e9lisation \u00e0 court terme (<30 ans) \u00e0 partir de donn\u00e9es de terrain et satellitaires<\/li>\n\n\n\n
          • Evolution de l’impact du retrait glaciaire sur les acc\u00e8s et infrastructures en montagne<\/li>\n<\/ul>\n\n\n\n
            <\/div>\n<\/div>\n\n\n\n
            \n

            Traitement de la donn\u00e9e<\/h2>\n\n\n\n

            <\/p>\n\n\n\n

            \n\n\n\n
              \n
            • Analyse multi-factorielle et crois.e (terrain, satellitaires, mod\u00e9lisations, litt\u00e9rature, pluridisciplinaire) <\/li>\n\n\n\n
            • Analyse statistique des r\u00e9sultats, incertitudes, et des limites des r\u00e9sultats<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n
              \n\n\n\n

              Exemple d’\u00e9tudes r\u00e9alis\u00e9es<\/h2>\n\n\n\n
              \n
              \n
              \n
              \n
              \"\"<\/figure>\n\n\n\n
              \n

              Analyse nivologique et propagation d’avalanche<\/h3>\n\n\n\n

              <\/p>\n<\/div>\n<\/div>\n\n\n\n

              Caract\u00e9risation de l’al\u00e9a et strategies de gestion du risque. La Belle Etoile<\/em> – 2026. <\/p>\n<\/div>\n\n\n\n

              \n
              \n
              \"\"<\/figure>\n\n\n\n
              \n

              Glaciers & acc\u00e8s en refuge<\/h3>\n\n\n\n

              Evolution de 7 glaciers du massif du Mont-Blanc 2020-2040<\/p>\n\n\n\n

              Mod\u00e9lisation dans le cadre du projet Pr\u00e9vRisk-CC de l’\u00e9volution de 7 glaciers pour la red\u00e9finition des acc\u00e8s \u00e0 7 refuges. <\/p>\n\n\n\n

              Collaboration avec G\u00e9olithe, Naga G\u00e9ophysique et J. Mourey.<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

              \n
              \n
              \"\"<\/figure>\n\n\n\n
              \n

              Mod\u00e9lisation glaciaire & station de ski<\/h3>\n\n\n\n

              Actualisation des sc\u00e9narios de fonte du glacier de la Grande-Motte 2023-2033<\/p>\n\n\n\n

              Mod\u00e9lisation de l’\u00e9volution \u00e0 10 ans du glacier de la Grande-Motte sur la commune de Tignes et analyse de l’\u00e9volution des profils glaciaires et de pistes de ski.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

              <\/p>\n","protected":false},"excerpt":{"rendered":"

              Exemple d’\u00e9tudes r\u00e9alis\u00e9es Analyse nivologique et propagation d’avalanche Caract\u00e9risation de l’al\u00e9a et strategies de gestion du risque. La Belle Etoile […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_kadence_starter_templates_imported_post":false,"footnotes":""},"class_list":["post-93","page","type-page","status-publish","hentry"],"yoast_head":"\nEtudes -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sierra-risk.com\/?page_id=93\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Etudes -\" \/>\n<meta property=\"og:description\" content=\"Exemple d’\u00e9tudes r\u00e9alis\u00e9es Analyse nivologique et propagation d’avalanche Caract\u00e9risation de l’al\u00e9a et strategies de gestion du risque. 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