{"id":849,"date":"2021-06-21T10:59:51","date_gmt":"2021-06-21T10:59:51","guid":{"rendered":"https:\/\/www.regeplus.be\/models-case-studies\/"},"modified":"2023-04-25T14:11:40","modified_gmt":"2023-04-25T14:11:40","slug":"modele-cas-etude","status":"publish","type":"page","link":"https:\/\/www.regeplus.be\/fr\/modele-cas-etude\/","title":{"rendered":"Mod\u00e8les &#038; cas d&rsquo;\u00e9tude"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row][vc_column][vc_empty_space height=\u00a0\u00bb50px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbpt-2&Prime; el_id=\u00a0\u00bbheterofor\u00a0\u00bb][vc_column][vc_custom_heading text=\u00a0\u00bbMod\u00e8le HETEROFOR\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb el_class=\u00a0\u00bbmb-0&Prime;][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb el_class=\u00a0\u00bbpt-1&Prime; accent_color=\u00a0\u00bb#689d46&Prime;][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text el_class=\u00a0\u00bbmb-0&Prime;]<span style=\"font-weight: 400;\">Les simulations seront r\u00e9alis\u00e9es au moyen du mod\u00e8le HETEROFOR, individu-centr\u00e9 et bas\u00e9 sur les processus, impl\u00e9ment\u00e9 dans le simulateur <\/span><strong><a href=\"https:\/\/capsis.cirad.fr\/capsis\/presentation#croissance_d_arbres_en_peuplement_avec_simulation_d_itineraires_sylvicoles_fr\" target=\"_blank\" rel=\"noopener\">CAPSIS<\/a><\/strong><span style=\"font-weight: 400;\"> . Dans ce qui suit, nous pr\u00e9sentons bri\u00e8vement le fonctionnement du mod\u00e8le. Nous renvoyons \u00e0 <\/span><strong><a href=\"https:\/\/doi.org\/10.5194\/gmd-13-905-2020\" target=\"_blank\" rel=\"noopener\">Jonard et al. (2020)<\/a><\/strong><span style=\"font-weight: 400;\"> et <\/span><strong><a href=\"https:\/\/doi.org\/10.5194\/gmd-13-1459-2020\" target=\"_blank\" rel=\"noopener\">de Wergifosse et al. (2020)<\/a><\/strong><span style=\"font-weight: 400;\"> pour une description plus d\u00e9taill\u00e9e.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">HETEROFOR d\u00e9termine les phases ph\u00e9nologiques cl\u00e9s des esp\u00e8ces caducifoli\u00e9es (d\u00e9bourrement, jaunissement et chute des feuilles) sur base des donn\u00e9es m\u00e9t\u00e9orologiques. Le rayonnement intercept\u00e9 par chaque arbre est ensuite calcul\u00e9 avec la biblioth\u00e8que <\/span><strong><a href=\"http:\/\/capsis.cirad.fr\/capsis\/help_en\/samsaralight\" target=\"_blank\" rel=\"noopener\">SAMSARALIGHT<\/a><\/strong><span style=\"font-weight: 400;\"> utilisant une approche lanc\u00e9 de rayons. La production primaire brute (PPB) de chaque arbre est estim\u00e9e \u00e0 l&rsquo;\u00e9chelle horaire avec le mod\u00e8le de photosynth\u00e8se biochimique de la biblioth\u00e8que <\/span><strong><a href=\"http:\/\/capsis.cirad.fr\/capsis\/help_en\/castaneaonly\" target=\"_blank\" rel=\"noopener\">CASTANEA<\/a><\/strong><span style=\"font-weight: 400;\"> \u00e0 partir du rayonnement intercept\u00e9 par le feuillage et du potentiel hydrique du sol (calcul\u00e9 avec la routine bilan hydrique).<\/span><\/p>\n<p><span style=\"font-weight: 400;\">La production primaire nette (PPN) est obtenue empiriquement \u00e0 partir de la PPB sur base du concept d&rsquo;efficience d&rsquo;utilisation du carbone (EUC = PPN \/ PPB). Le rapport EUC est fonction de la taille et de la forme de l&rsquo;arbre, de la comp\u00e9tition pour la lumi\u00e8re et de la temp\u00e9rature annuelle moyenne.<\/span>[\/vc_column_text][\/vc_column][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text el_class=\u00a0\u00bbmb-0&Prime;]<span style=\"font-weight: 400;\"> La PPN est d&rsquo;abord allou\u00e9e au feuillage et aux fines racines (&lt;2 mm) en veillant \u00e0 assurer un \u00e9quilibre fonctionnel puis aux compartiments structurels \u00e0 l&rsquo;aide d&rsquo;\u00e9quations allom\u00e9triques, ce qui permet de d\u00e9river la croissance dimensionnelle des arbres. Le module de bilan hydrique r\u00e9partit les pr\u00e9cipitations entre pluviolessivats, \u00e9coulement le long des troncs et interception, calcule la transpiration et l&rsquo;\u00e9vaporation des arbres \u00e0 partir du feuillage, de l&rsquo;\u00e9corce et du sol \u00e0 l&rsquo;aide de l&rsquo;\u00e9quation de Penman-Monteith et d\u00e9crit les mouvements de l&rsquo;eau dans le sol.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">HETEROFOR est distribu\u00e9 gratuitement par le biais d&rsquo;un <\/span><strong><a href=\"http:\/\/amap-dev.cirad.fr\/projects\/capsis\/files\" target=\"_blank\" rel=\"noopener\">installateur<\/a><\/strong><span style=\"font-weight: 400;\"> contenant le noyau CAPSIS4 et la derni\u00e8re version (ou toute version pr\u00e9c\u00e9dente) de HETEROFOR. Les instructions pour l&rsquo;installation de CAPSIS sont disponibles <\/span><strong><a href=\"http:\/\/capsis.cirad.fr\/capsis\/documentation\/installation_guide\" target=\"_blank\" rel=\"noopener\">ici<\/a><\/strong><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Une fois HETEROFOR install\u00e9 sur votre ordinateur, vous pouvez lancer vos premi\u00e8res simulations en vous basant sur <strong><a href=\"https:\/\/www.regeplus.be\/files\/uploads\/2023\/04\/HETEROFOR-User-Manual-oct2022.pdf\" target=\"_blank\" rel=\"noopener\">le manuel de l&rsquo;utilisateur.<\/a><\/strong><\/span>[\/vc_column_text][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbpt-1 pt-md-4&Prime;][vc_column][vc_single_image image=\u00a0\u00bb4093&Prime; img_size=\u00a0\u00bbfull\u00a0\u00bb][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=\u00a0\u00bb50px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbpt-2&Prime; el_id=\u00a0\u00bbcase\u00a0\u00bb][vc_column][vc_custom_heading text=\u00a0\u00bbCas d&rsquo;\u00e9tude\u00a0\u00bb font_container=\u00a0\u00bbtag:h2|text_align:center\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb el_class=\u00a0\u00bbmb-0&Prime;][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb el_class=\u00a0\u00bbpt-1&Prime; accent_color=\u00a0\u00bb#689d46&Prime;][\/vc_column][\/vc_row][vc_row equal_height=\u00a0\u00bbyes\u00a0\u00bb][vc_column el_class=\u00a0\u00bbpr-md-0 ml-0 ml-lg-1 pt-0 pl-1 pl-md-0 pl-lg-1 pr-md-1 pr-lg-0 filtre-image-home\u00a0\u00bb css=\u00a0\u00bb.vc_custom_1624376196826{background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}\u00a0\u00bb][vc_basic_grid post_type=\u00a0\u00bbcase\u00a0\u00bb max_items=\u00a0\u00bb-1&Prime; element_width=\u00a0\u00bb6&Prime; item=\u00a0\u00bb417&Prime; grid_id=\u00a0\u00bbvc_gid:1682431774181-71d1051b-4076-1&Prime;][\/vc_column][\/vc_row][vc_row][vc_column][vc_empty_space height=\u00a0\u00bb50px\u00a0\u00bb][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_empty_space height=\u00a0\u00bb50px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbpt-2&Prime; el_id=\u00a0\u00bbheterofor\u00a0\u00bb][vc_column][vc_custom_heading text=\u00a0\u00bbMod\u00e8le HETEROFOR\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb el_class=\u00a0\u00bbmb-0&Prime;][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb el_class=\u00a0\u00bbpt-1&Prime; accent_color=\u00a0\u00bb#689d46&Prime;][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text el_class=\u00a0\u00bbmb-0&Prime;]Les simulations seront r\u00e9alis\u00e9es au moyen du mod\u00e8le HETEROFOR, individu-centr\u00e9 et bas\u00e9 sur les processus, impl\u00e9ment\u00e9 dans le simulateur CAPSIS . Dans ce qui suit, nous pr\u00e9sentons bri\u00e8vement le fonctionnement du mod\u00e8le. Nous renvoyons \u00e0 Jonard et al. (2020) et de Wergifosse et [&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-849","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mod\u00e8les &amp; cas d&#039;\u00e9tude | REGE+<\/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:\/\/www.regeplus.be\/fr\/modele-cas-etude\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mod\u00e8les &amp; cas d&#039;\u00e9tude | REGE+\" \/>\n<meta property=\"og:description\" content=\"[vc_row][vc_column][vc_empty_space height=\u00a0\u00bb50px\u00a0\u00bb][\/vc_column][\/vc_row][vc_row el_class=\u00a0\u00bbpt-2&Prime; el_id=\u00a0\u00bbheterofor\u00a0\u00bb][vc_column][vc_custom_heading text=\u00a0\u00bbMod\u00e8le HETEROFOR\u00a0\u00bb use_theme_fonts=\u00a0\u00bbyes\u00a0\u00bb el_class=\u00a0\u00bbmb-0&Prime;][vc_separator color=\u00a0\u00bbcustom\u00a0\u00bb el_class=\u00a0\u00bbpt-1&Prime; accent_color=\u00a0\u00bb#689d46&Prime;][\/vc_column][\/vc_row][vc_row][vc_column width=\u00a0\u00bb1\/2&Prime;][vc_column_text el_class=\u00a0\u00bbmb-0&Prime;]Les simulations seront r\u00e9alis\u00e9es au moyen du mod\u00e8le HETEROFOR, individu-centr\u00e9 et bas\u00e9 sur les processus, impl\u00e9ment\u00e9 dans le simulateur CAPSIS . 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