{"id":4092,"date":"2025-09-17T08:29:59","date_gmt":"2025-09-17T05:29:59","guid":{"rendered":"https:\/\/www.acccflagship.fi\/?p=4092"},"modified":"2025-09-17T08:31:08","modified_gmt":"2025-09-17T05:31:08","slug":"lampenevat-kaupungit-muokkaavat-kasvien-kasvukausia","status":"publish","type":"post","link":"https:\/\/www.acccflagship.fi\/index.php\/2025\/09\/17\/lampenevat-kaupungit-muokkaavat-kasvien-kasvukausia\/","title":{"rendered":"L\u00e4mpenev\u00e4t kaupungit muokkaavat kasvien kasvukausia"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"889\" height=\"500\" src=\"https:\/\/www.acccflagship.fi\/wp-content\/uploads\/shutterstockmyboys.me_1537855019.jpg\" alt=\"\" class=\"wp-image-4093\" style=\"width:391px;height:auto\" srcset=\"https:\/\/www.acccflagship.fi\/wp-content\/uploads\/shutterstockmyboys.me_1537855019.jpg 889w, https:\/\/www.acccflagship.fi\/wp-content\/uploads\/shutterstockmyboys.me_1537855019-300x169.jpg 300w, https:\/\/www.acccflagship.fi\/wp-content\/uploads\/shutterstockmyboys.me_1537855019-768x432.jpg 768w, https:\/\/www.acccflagship.fi\/wp-content\/uploads\/shutterstockmyboys.me_1537855019-500x281.jpg 500w, https:\/\/www.acccflagship.fi\/wp-content\/uploads\/shutterstockmyboys.me_1537855019-800x450.jpg 800w\" sizes=\"auto, (max-width: 889px) 100vw, 889px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Uusi <em>Urban Forestry &amp; Urban Greening<\/em> -lehdess\u00e4 julkaistu tutkimus osoittaa, ett\u00e4 useissa Euroopan p\u00e4\u00e4kaupungeissa l\u00e4mpim\u00e4t kaupunki-ilmastot aikaistavat niin kasvukauden alkua kuin kasvukauden loppua verrattuna kaupunkien ulkopuolisiin alueisiin. Tutkimuksessa havaittiin my\u00f6s, ett\u00e4 siin\u00e4 miss\u00e4 l\u00e4mp\u00f6tila oli merkitt\u00e4vin tekij\u00e4 kasvukauden alussa, erityisesti kasvukauden loppumista selittiv\u00e4t erilaiset kasvillisuustyypit. Lyhyen kasvillisuuden (kuten nurmikoiden) suuri osuus indikoi kasvukauden aiempaa p\u00e4\u00e4ttymist\u00e4. Erilainen lajisto yhdess\u00e4 lis\u00e4\u00e4ntyneen kuivuuden kanssa voi selitt\u00e4\u00e4 havaittua kasvukauden aiempaa p\u00e4\u00e4ttymist\u00e4 kaupungeissa. Nyt k\u00e4yt\u00f6ss\u00e4 ollut Sentinel-2 -satelliitin havaintoihin perustuva aineisto mahdollisti aiempaa huomattavasti tarkemman tarkastelun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tutkimuksen toteuttivat Helsingin yliopisto ja Ilmatieteen laitos, ja se tehtiin opetus- ja kulttuuriministeri\u00f6n rahoittamassa DREAM-tohtoripilottiohjelmassa sek\u00e4 osana <a href=\"https:\/\/www.acccflagship.fi\/\">ACCC<\/a>&#8211; ja <a href=\"https:\/\/fameflagship.fi\/\">FAME<\/a> \u2013lippulaivahankkeita. <a href=\"https:\/\/www.ilmatieteenlaitos.fi\/uutinen\/61ZAIxIjNVblf7WsvymEXh\">Lue lis\u00e4\u00e4&#8230;<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lis\u00e4tietoja<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00e4it\u00f6skirjatutkija Amanda Ojasalo, Helsingin yliopisto ja Ilmatieteen laitos, <a href=\"mailto:amanda.ojasalo@helsinki.fi\">amanda.ojasalo@helsinki.fi<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tieteellinen artikkeli on avoimesti saatavilla Urban Forestry &amp; Urban Greening -lehdess\u00e4 <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1618866725003383\">https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1618866725003383<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uusi Urban Forestry &amp; Urban Greening -lehdess\u00e4 julkaistu tutkimus osoittaa, ett\u00e4 useissa Euroopan p\u00e4\u00e4kaupungeissa l\u00e4mpim\u00e4t kaupunki-ilmastot aikaistavat niin kasvukauden alkua kuin kasvukauden loppua verrattuna kaupunkien ulkopuolisiin alueisiin. Tutkimuksessa havaittiin my\u00f6s, ett\u00e4 siin\u00e4 miss\u00e4 l\u00e4mp\u00f6tila oli merkitt\u00e4vin tekij\u00e4 kasvukauden alussa, erityisesti kasvukauden loppumista selittiv\u00e4t erilaiset kasvillisuustyypit. Lyhyen kasvillisuuden (kuten nurmikoiden) suuri osuus indikoi kasvukauden aiempaa p\u00e4\u00e4ttymist\u00e4. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2541,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","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":"","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-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":"","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-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":"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":""},"mobile":{"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":""}},"_vp_format_video_url":"","_vp_image_focal_point":{"x":0.5,"y":0.5500000000000000444089209850062616169452667236328125},"footnotes":""},"categories":[140,25],"tags":[55],"class_list":["post-4092","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-impact-en","category-uncategorized-en","tag-accc"],"featured_image_src":"https:\/\/www.acccflagship.fi\/wp-content\/uploads\/ACCC-news-1.png","author_info":{"display_name":"mkulmala","author_link":"https:\/\/www.acccflagship.fi\/index.php\/author\/mkulmala\/"},"_links":{"self":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts\/4092","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/comments?post=4092"}],"version-history":[{"count":1,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts\/4092\/revisions"}],"predecessor-version":[{"id":4094,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts\/4092\/revisions\/4094"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/media\/2541"}],"wp:attachment":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/media?parent=4092"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/categories?post=4092"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/tags?post=4092"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}