{"id":131806,"date":"2025-05-12T11:45:00","date_gmt":"2025-05-12T09:45:00","guid":{"rendered":"https:\/\/www.immo-invest.ch\/?p=131806"},"modified":"2025-05-12T09:31:10","modified_gmt":"2025-05-12T07:31:10","slug":"forscherin-untersucht-sonnenreflektion-fuer-bessere-ertraege","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/forscherin-untersucht-sonnenreflektion-fuer-bessere-ertraege\/","title":{"rendered":"Une chercheuse \u00e9tudie la r\u00e9flexion du soleil pour am\u00e9liorer les rendements"},"content":{"rendered":"\n\n<p class=\"bodytext wp-block-paragraph\">Anja M\u00f6dl<a href=\"https:\/\/www.slf.ch\/de\/\" target=\"_blank\" rel=\"noopener\">, chercheuse au SLF<\/a>, \u00e9tudie la mani\u00e8re dont le terrain enneig\u00e9 refl\u00e8te la lumi\u00e8re du soleil. Ses conclusions devraient rendre les installations photovolta\u00efques plus efficaces. Les mesures ont lieu dans le Meierhoft\u00e4lli pr\u00e8s de Davos, \u00e0 environ 2400 m\u00e8tres au-dessus du niveau de la mer.<\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">La chercheuse \u00e9tudie la lumi\u00e8re du soleil r\u00e9fl\u00e9chie par le manteau neigeux \u00e0 l&rsquo;aide de capteurs. La majeure partie de la lumi\u00e8re solaire est r\u00e9fl\u00e9chie par la neige dans la direction d&rsquo;incidence, indique le <a href=\"https:\/\/www.slf.ch\/de\/news\/photovoltaik-ertrag-im-winter-optimieren\/\" target=\"_blank\" rel=\"noopener\">communiqu\u00e9<\/a>. La lumi\u00e8re du soleil est ainsi en grande partie r\u00e9fl\u00e9chie en direction d&rsquo;autres versants de montagne.<\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">La surface de la neige r\u00e9fl\u00e9chit diff\u00e9rentes longueurs d&rsquo;onde avec une intensit\u00e9 variable. L&rsquo;intensit\u00e9 de certaines longueurs d&rsquo;onde devient ainsi plus forte avec le temps que dans la lumi\u00e8re incidente initiale. M\u00f6dl \u00e9tudie comment les spectres diff\u00e8rent selon les endroits.<\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">Les mesures doivent permettre une production d&rsquo;\u00e9lectricit\u00e9 encore plus efficace des installations photovolta\u00efques. Les installations plac\u00e9es de mani\u00e8re optimale devraient alors pouvoir utiliser la lumi\u00e8re r\u00e9fl\u00e9chie par les pentes voisines.<\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">Les capteurs mesurent des longueurs d&rsquo;onde comprises entre 340 et 2500 nanom\u00e8tres. Le photovolta\u00efque n&rsquo;utilise que la plage comprise entre 500 et 1100 nanom\u00e8tres. Selon M\u00f6dl, le spectre plus large permet de tirer des conclusions suppl\u00e9mentaires sur le r\u00e9chauffement des roches et la fonte des neiges.<\/p>\n\n\n\n\n\n<p class=\"bodytext wp-block-paragraph\">Des mesures sont \u00e9galement pr\u00e9vues pour la saison prochaine. \u00ab\u00a0Pour faire une d\u00e9claration fond\u00e9e, je dois prendre des donn\u00e9es dans diff\u00e9rentes conditions\u00a0\u00bb, explique la chercheuse.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>La chercheuse Anja M\u00f6dl de l&rsquo;Institut pour l&rsquo;\u00e9tude de la neige et des avalanches (SLF) a \u00e9tudi\u00e9 la mani\u00e8re dont le terrain enneig\u00e9 refl\u00e8te la lumi\u00e8re du soleil pr\u00e8s de Davos. Ses conclusions devraient rendre les installations photovolta\u00efques plus efficaces. Des installations plac\u00e9es de mani\u00e8re optimale peuvent \u00e9galement utiliser la lumi\u00e8re provenant de versants oppos\u00e9s.<\/p>\n","protected":false},"author":2,"featured_media":131801,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[22699,8747,22347,743,22438],"tags":[872,3931,2002,873,52795,41373],"class_list":["post-131806","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-durabilite","category-energie","category-grisons","category-immonews-fr","category-trends-fr","tag-immoinvest-fr","tag-immonews-fr","tag-news-fr","tag-photovoltaik-fr","tag-schneereflektion-fr","tag-sonnenlicht-fr"],"acf":{"bild_mit_ki_erstellt_worden":[],"lead":"La chercheuse Anja M\u00f6dl de l'Institut pour l'\u00e9tude de la neige et des avalanches (SLF) a \u00e9tudi\u00e9 la mani\u00e8re dont le terrain enneig\u00e9 refl\u00e8te la lumi\u00e8re du soleil pr\u00e8s de Davos. Ses conclusions devraient rendre les installations photovolta\u00efques plus efficaces. Des installations plac\u00e9es de mani\u00e8re optimale peuvent \u00e9galement utiliser la lumi\u00e8re provenant de versants oppos\u00e9s.","autor":"ce\/ja","ort":"Davos GR","bildunterschrift":"","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":""},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"La chercheuse Anja M\u00f6dl de l&#039;Institut pour l&#039;\u00e9tude de la neige et des avalanches (SLF) a \u00e9tudi\u00e9 la mani\u00e8re dont le terrain enneig\u00e9 refl\u00e8te la lumi\u00e8re du soleil pr\u00e8s de Davos. Ses conclusions devraient rendre les installations photovolta\u00efques plus efficaces. Des installations plac\u00e9es de mani\u00e8re optimale peuvent \u00e9galement utiliser la lumi\u00e8re provenant de versants oppos\u00e9s.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"immovestuser\"\/>\n\t<meta name=\"google-site-verification\" content=\"fHJKvgWpZCR2zVBHWfkQeFXC11qieUSff0HGNYfuyLA\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.immo-invest.ch\/fr\/forscherin-untersucht-sonnenreflektion-fuer-bessere-ertraege\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"fr_FR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien - Die\u00a0Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Une chercheuse \u00e9tudie la r\u00e9flexion du soleil pour am\u00e9liorer les rendements - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta property=\"og:description\" content=\"La chercheuse Anja M\u00f6dl de l&#039;Institut pour l&#039;\u00e9tude de la neige et des avalanches (SLF) a \u00e9tudi\u00e9 la mani\u00e8re dont le terrain enneig\u00e9 refl\u00e8te la lumi\u00e8re du soleil pr\u00e8s de Davos. Ses conclusions devraient rendre les installations photovolta\u00efques plus efficaces. Des installations plac\u00e9es de mani\u00e8re optimale peuvent \u00e9galement utiliser la lumi\u00e8re provenant de versants oppos\u00e9s.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.immo-invest.ch\/fr\/forscherin-untersucht-sonnenreflektion-fuer-bessere-ertraege\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2025\/05\/immo-invest-energie-nachhaltigkeit-forschung-photovoltaik-schneereflektion-sonnenlicht-graubuenden.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.immo-invest.ch\/wp-content\/uploads\/2025\/05\/immo-invest-energie-nachhaltigkeit-forschung-photovoltaik-schneereflektion-sonnenlicht-graubuenden.png\" \/>\n\t\t<meta property=\"og:image:width\" content=\"1536\" \/>\n\t\t<meta property=\"og:image:height\" content=\"768\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-05-12T09:45:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-05-12T07:31:10+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/people\/Immoinvest\/100077962920504\/\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:site\" content=\"@i\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Une chercheuse \u00e9tudie la r\u00e9flexion du soleil pour am\u00e9liorer les rendements - immo!nvest - Die Plattform f\u00fcr Standorte und Immobilien\" \/>\n\t\t<meta name=\"twitter:description\" content=\"La chercheuse Anja M\u00f6dl de l&#039;Institut pour l&#039;\u00e9tude de la neige et des avalanches (SLF) a \u00e9tudi\u00e9 la mani\u00e8re dont le terrain enneig\u00e9 refl\u00e8te la lumi\u00e8re du soleil pr\u00e8s de Davos. 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