{"id":363,"date":"2016-07-03T15:05:44","date_gmt":"2016-07-03T14:05:44","guid":{"rendered":"\/clg-edapierre\/?page_id=363"},"modified":"2016-07-03T20:06:52","modified_gmt":"2016-07-03T19:06:52","slug":"le-morne-rouge-un-chateau-deau","status":"publish","type":"page","link":"https:\/\/site.ac-martinique.fr\/clg-edapierre\/?page_id=363","title":{"rendered":"Le Morne Rouge: un ch\u00e2teau d&#8217;eau&#8230;"},"content":{"rendered":"<p style=\"text-align: justify;\">Si avec 2m d&#8217;eau annuels, la Martinique poss\u00e8de\u00a0un climat tropical humide, la r\u00e9putation de la commune du Morne Rouge, elle, n&#8217;est\u00a0 plus \u00e0 faire sur l&#8217;\u00eele. Il s&#8217;agit bien de la commune la plus arros\u00e9e de l&#8217;\u00eele.<\/p>\n<h5>Sommaire:<\/h5>\n<ul>\n<li><a href=\"\/clg-edapierre\/?page_id=363\">La pluviom\u00e9trie annuelle au Morne Rouge<\/a><\/li>\n<li><a href=\"\/clg-edapierre\/?page_id=363#hivernage\">Hivernage et Car\u00eame au Morne Rouge<\/a><\/li>\n<li><a href=\"\/clg-edapierre\/?page_id=365#reliefpluie\">Relief et pluviom\u00e9trie<\/a><\/li>\n<li><a href=\"\/clg-edapierre\/?page_id=365\">Relief et temp\u00e9ratures<\/a><\/li>\n<li><a href=\"\/clg-edapierre\/?page_id=367\">L&#8217;effet de Foehn (animation 139ko)<\/a><\/li>\n<li><a href=\"\/clg-edapierre\/?page_id=367#circulation\">La circulation des vents<\/a><\/li>\n<\/ul>\n<p><a name=\"pluviometrie\"><\/a><\/p>\n<h3>La pluviom\u00e9trie annuelle au Morne Rouge.<\/h3>\n<p style=\"text-align: justify;\">Voici \u00e0 titre d&#8217;exemple, le <span style=\"color: #008000;\">*diagramme ombrothermique<\/span> compar\u00e9 de St Pierre sur le littoral nord cara\u00efbe et la station m\u00e9t\u00e9orologique du Morne Rouge situ\u00e9e \u00e0 448m d&#8217;altitude. Pr\u00e9cisons que les deux localit\u00e9s sont situ\u00e9es \u00e0 moins de 6 km l&#8217;une de l&#8217;autre&#8230;<\/p>\n<p><a href=\"\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagmornerouge.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-282 size-full\" src=\"\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagmornerouge.jpg\" alt=\"diagmornerouge\" width=\"565\" height=\"443\" srcset=\"https:\/\/site.ac-martinique.fr\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagmornerouge.jpg 565w, https:\/\/site.ac-martinique.fr\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagmornerouge-300x235.jpg 300w\" sizes=\"(max-width: 565px) 100vw, 565px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">La pluviosit\u00e9 annuelle avoisine les 4 m\u00e8tres d&#8217;eau soit le double de la moyenne de l&#8217;\u00eele. Ce qui en soit est encore peu de chose compar\u00e9s aux 8 \u00e0 10 m\u00e8tres d&#8217;eau annuels de la Montagne Pel\u00e9e ! On r\u00e9alise donc la pertinence des remarques de Lafcadio HEARN lorsqu&#8217;il pose pour la premi\u00e8re fois le pied dans la toute jeune commune d&#8217;alors.<\/p>\n<p><a name=\"hivernage\"><\/a><\/p>\n<h3>Hivernage et Car\u00eame au Morne Rouge<\/h3>\n<p style=\"text-align: justify;\">Comme dans la plupart des climats tropicaux humides, on distingue la pr\u00e9sence de deux saisons:<\/p>\n<p style=\"text-align: justify;\">De juin \u00e0 janvier: il s&#8217;agit de la saison des pluies, appel\u00e9e &#8220;hivernage&#8221; en Martinique: les temp\u00e9ratures sont plus \u00e9lev\u00e9es; les pr\u00e9cipitations atteignent une moyenne de 500mm par mois.<\/p>\n<p style=\"text-align: justify;\">De f\u00e9vrier \u00e0 mai, s&#8217;\u00e9tend la saison s\u00e8che appel\u00e9e &#8220;car\u00eame&#8221; en Martinique. Les temp\u00e9ratures sont plus basses (elles peuvent atteindre 16\u00b0C au Morne Rouge) et les pr\u00e9cipitations ont une moyenne de 300mm par mois. Soit l&#8217;\u00e9quivalent de ce qu&#8217;il tombe durant l&#8217;hivernage sur le littoral !<\/p>\n<p style=\"text-align: justify;\">Au Morne Rouge, pratiquement les deux tiers des pr\u00e9cipitations ont lieu entre le mois d&#8217;ao\u00fbt et le mois de janvier. Un record absolu en terme de pr\u00e9cipitation a m\u00eame \u00e9t\u00e9 enregistr\u00e9 en novembre 1996 au Morne Rouge: 1388 mm d&#8217;eau sont tomb\u00e9s en un mois ! Il avait plu en un mois l&#8217;\u00e9quivalent de ce qu&#8217;il pleut \u00e0 Brest en une ann\u00e9e !<\/p>\n<p style=\"text-align: justify;\">A titre de comparaison, voici le diagramme d&#8217;un climat temp\u00e9r\u00e9 oc\u00e9anique, consid\u00e9r\u00e9 en France m\u00e9tropolitaine comme &#8220;pluvieux&#8221;:<\/p>\n<p style=\"text-align: justify;\"><a href=\"\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagbrest.jpg\"><img decoding=\"async\" class=\"aligncenter wp-image-281 size-full\" src=\"\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagbrest.jpg\" alt=\"diagbrest\" width=\"427\" height=\"245\" srcset=\"https:\/\/site.ac-martinique.fr\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagbrest.jpg 427w, https:\/\/site.ac-martinique.fr\/clg-edapierre\/wp-content\/uploads\/sites\/54\/2016\/07\/diagbrest-300x172.jpg 300w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/a><br \/>\nLa pluviosit\u00e9 annuelle ne d\u00e9passe gu\u00e8re les &#8230;1400 mm d&#8217;eau. soit presque trois fois moins qu&#8217;au Morne Rouge.<\/p>\n<p>&nbsp;<\/p>\n<h4 style=\"text-align: justify;\"><a name=\"lexique\"><\/a><strong>Lexique<\/strong><\/h4>\n<p><em><span style=\"color: #008000;\">*Un diagramme ombrothermique: C&#8217;est un graphique qui montre la variation annuelle des hauteurs d&#8217;eau en millim\u00e8tres par mois. Cela permet de mesurer l&#8217;importance des pr\u00e9cipations mensuelles cumul\u00e9es sur une surface d&#8217;1m\u00b2. La comparaison avec une courbe des temp\u00e9ratures permet de d\u00e9finir avec certitude une p\u00e9riode de s\u00e9cheresse; la s\u00e9cheresse \u00e9tant d\u00e9finie comme une p\u00e9riode o\u00f9 le chiffre des temp\u00e9ratures d\u00e9passe le double de celui des pr\u00e9cipitations.<\/span><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Si avec 2m d&#8217;eau annuels, la Martinique poss\u00e8de\u00a0un climat tropical humide, la r\u00e9putation de la commune du Morne Rouge, elle, &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/site.ac-martinique.fr\/clg-edapierre\/?page_id=363\" class=\"more-link\">Lire la suite&#8230;<span class=\"screen-reader-text\"> &#8220;Le Morne Rouge: un ch\u00e2teau d&#8217;eau&#8230;&#8221;<\/span><\/a><\/p>\n","protected":false},"author":127,"featured_media":0,"parent":248,"menu_order":6,"comment_status":"closed","ping_status":"closed","template":"","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","_uag_custom_page_level_css":"","episode_type":"","audio_file":"","podmotor_file_id":"","podmotor_episode_id":"","cover_image":"","cover_image_id":"","duration":"","filesize":"","filesize_raw":"","date_recorded":"","explicit":"","block":"","itunes_episode_number":"","itunes_title":"","itunes_season_number":"","itunes_episode_type":"","_themeisle_gutenberg_block_has_review":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-363","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le Morne Rouge: un ch\u00e2teau d&#039;eau... - \u2728 Coll\u00e8ge Christiane EDA-PIERRE \u2728<\/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:\/\/site.ac-martinique.fr\/clg-edapierre\/?page_id=363\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Morne Rouge: un ch\u00e2teau d&#039;eau... - \u2728 Coll\u00e8ge Christiane EDA-PIERRE \u2728\" \/>\n<meta property=\"og:description\" content=\"Si avec 2m d&#8217;eau annuels, la Martinique poss\u00e8de\u00a0un climat tropical humide, la r\u00e9putation de la commune du Morne Rouge, elle, &hellip; 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