{"id":3823,"date":"2020-11-23T11:31:09","date_gmt":"2020-11-23T10:31:09","guid":{"rendered":"http:\/\/geowww.agrocampus-ouest.fr\/web\/?page_id=3823"},"modified":"2022-01-28T16:13:16","modified_gmt":"2022-01-28T15:13:16","slug":"mode-demploi-simfen","status":"publish","type":"page","link":"https:\/\/geosas.fr\/web\/?page_id=3823","title":{"rendered":"Mode d&#8217;emploi SIMFEN"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img loading=\"lazy\" decoding=\"async\" width=\"717\" height=\"234\" src=\"https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/12\/illustration-utilisation.png\" alt=\"\" class=\"wp-image-3881\" srcset=\"https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/12\/illustration-utilisation.png 717w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/12\/illustration-utilisation-300x98.png 300w\" sizes=\"auto, (max-width: 717px) 100vw, 717px\" \/><\/figure><\/div>\n\n\n\n<p class=\"tab-pane active\"><span class=\"lang\">Ce service permet de simuler le d\u00e9bit d&rsquo;eau en tout point du r\u00e9seau hydrographique breton \u00e0 partir des observations de d\u00e9bit du r\u00e9seau de la Banque Hydro. Le mod\u00e8le hydrologique employ\u00e9 provient de travaux de recherche en mod\u00e9lisation hydrologique d\u00e9crit dans l\u2019onglet \u00ab&nbsp;<a href=\"https:\/\/geosas.fr\/web\/wp-admin\/post.php?post=3828&amp;action=edit\">Principes de mod\u00e9lisation hydrologique<\/a>&nbsp;\u00bb. <\/span><\/p>\n\n\n\n<h4 class=\"lang wp-block-heading\">Mode simplifi\u00e9<\/h4>\n\n\n\n<p class=\"tab-pane active\"><strong>En entr\u00e9e<\/strong><span style=\"color: #000000;\"><strong>,<\/strong><\/span> le service utilise les param\u00e8tres suivants \u00e0 renseigner imp\u00e9rativement :<\/p>\n\n\n\n<p>1 &#8211; Indiquer la p\u00e9riode de simulation.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>a. date de d\u00e9but de la simulation,<\/li><li>b. date de fin de la simulation,<\/li><li>c. pas de temps,<\/li><\/ul>\n\n\n\n<p><span class=\"lang\">2 &#8211; Localiser la station \u00e0 simuler <em>(=station \u00ab\u00a0cible\u00a0\u00bb)<\/em>.<br><\/span><br>3 &#8211; Lancer la simulation.<\/p>\n\n\n\n<p class=\"lang\">&nbsp;<strong>En Sortie<\/strong>,<\/p>\n\n\n\n<p class=\"lang\">4 &#8211; Une fois la simulation termin\u00e9e, s&rsquo;afficheront :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>a. les contours des bassins versants des stations \u00ab\u00a0sources\u00a0\u00bb,<\/li><li>b. le d\u00e9bit du bassin versant cible calcul\u00e9 \u00e0 l&rsquo;exutoire que vous avez s\u00e9lectionn\u00e9 (2)<\/li><\/ul>\n\n\n\n<p>5 &#8211; Optionnellement, une fois la simulation termin\u00e9e, il est possible :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>a. de t\u00e9l\u00e9charger les r\u00e9sultats (d\u00e9bit calcul\u00e9, code hydrologique des stations sources, coordonn\u00e9es g\u00e9ographiques de l&rsquo;exutoire et la surface de son bassin versant)<\/li><li>b. d&rsquo;afficher les d\u00e9bits mesur\u00e9s aux stations sources<\/li><\/ul>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"alignleft\"><img loading=\"lazy\" decoding=\"async\" width=\"1919\" height=\"1000\" src=\"https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/base-v2.png\" alt=\"\" class=\"wp-image-4077\" srcset=\"https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/base-v2.png 1919w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/base-v2-300x156.png 300w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/base-v2-1024x534.png 1024w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/base-v2-768x400.png 768w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/base-v2-1536x800.png 1536w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/base-v2-1568x817.png 1568w\" sizes=\"auto, (max-width: 1919px) 100vw, 1919px\" \/><\/figure><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">&nbsp;<\/h4>\n\n\n\n<h4 class=\"lang wp-block-heading\">Mode expert <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3866\" src=\"https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/cle.jpeg\" alt=\"\" width=\"48\" height=\"44\"><\/h4>\n\n\n\n<p class=\"tab-pane active\"><span class=\"lang\"><strong>Pour les utilisateurs ayant une connaissance avanc\u00e9e<\/strong> du milieu o\u00f9 va \u00eatre simul\u00e9 le d\u00e9bit, il est possible d&rsquo;influer sur le fonctionnement du mod\u00e8le par rapport aux param\u00e8tres d\u00e9termin\u00e9s par d\u00e9faut. Pour le moment, voici les param\u00e8tres pouvant \u00eatre modifi\u00e9s &nbsp;<\/span> :<\/p>\n\n\n\n<p>1 &#8211; Le choix des stations sources :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>a. Faire appara\u00eetre les stations disponibles, un clic sur une station permet d&rsquo;afficher les p\u00e9riodes sans enregistrement.<\/li><li>b. S\u00e9lectionner les stations par clic (maximum 5 stations).<\/li><li>c. Valider la s\u00e9lection.<\/li><\/ul>\n\n\n\n<p>2 &#8211; Choix du fournisseur de donn\u00e9es, (impliquant la p\u00e9riode de simulation possible et les stations disponibles pour la p\u00e9riode choisie).<br>Optionnellement :<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li class=\"lang\">Nommer les fichiers de r\u00e9sultat.<\/li><li>Localiser manuellement le point o\u00f9 simuler le d\u00e9bit \u00e0 partir de ses coordonn\u00e9es X,Y en Lambert 93 (veuillez respecter la syntaxe indiqu\u00e9e).<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image\"><img loading=\"lazy\" decoding=\"async\" width=\"2200\" height=\"1238\" src=\"https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2.png\" alt=\"\" class=\"wp-image-4078\" srcset=\"https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2.png 2200w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2-300x169.png 300w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2-1024x576.png 1024w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2-768x432.png 768w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2-1536x864.png 1536w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2-2048x1152.png 2048w, https:\/\/geosas.fr\/web\/wp-content\/uploads\/2020\/11\/expert2-1568x882.png 1568w\" sizes=\"auto, (max-width: 2200px) 100vw, 2200px\" \/><\/figure>\n\n\n\n<h4 class=\"tab-pane active wp-block-heading\" id=\"h_aide\"><span class=\"lang\"><strong>Informations compl\u00e9mentaires<\/strong><br><\/span><\/h4>\n\n\n\n<p><span class=\"lang\">Les bassins sources employ\u00e9s par la simulation sont affich\u00e9s sur la carte.&nbsp; Pour chaque bassin, sa station de mesure, sa surface (en km2) et son poids dans la simulation sont indiqu\u00e9s. La simulation des bassins versants est effectu\u00e9e par le service WPS MNTSurf \u00e0 partir d&rsquo;un Mod\u00e8le Num\u00e9rique de Terrain (MNT) \u00e0 50 m\u00e8tres de r\u00e9solution spatiale. Le r\u00e9seau hydrographique affich\u00e9 et employ\u00e9 pour les traitements a \u00e9t\u00e9 calcul\u00e9 par MNTSurf \u00e0 partir du m\u00eame MNT.<\/span><br>Les enregistrements de la source archives dreal commencent pour certains dans les ann\u00e9es soixante, mais la date par d\u00e9faut de d\u00e9but de simulation est fix\u00e9e \u00e0 1984 pour avoir le plus de station possible.<\/p>\n\n\n\n<div role=\"tabpanel\">&nbsp;<\/div>\n\n\n\n<p class=\"tab-pane active\"><b class=\"lang\">REMARQUE : une seule requ\u00eate peut \u00eatre ex\u00e9cut\u00e9e \u00e0 la fois.<\/b><\/p>\n\n\n\n<p>Acc\u00e9der&nbsp; au portail de <a href=\"https:\/\/geosas.fr\/simfen\" target=\"_blank\" rel=\"noopener\">SIMFEN<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce service permet de simuler le d\u00e9bit d&rsquo;eau en tout point du r\u00e9seau hydrographique breton \u00e0 partir des observations de d\u00e9bit du r\u00e9seau de la &hellip; <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3823","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - 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