{"id":1122,"date":"2014-02-20T15:03:45","date_gmt":"2014-02-20T14:03:45","guid":{"rendered":"http:\/\/agora.xtec.cat\/institutcanplanas\/?p=1122"},"modified":"2016-11-06T16:35:10","modified_gmt":"2016-11-06T15:35:10","slug":"se-sent-la-primavera","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/institutcanplanas\/portada\/se-sent-la-primavera\/","title":{"rendered":"Se sent la primavera"},"content":{"rendered":"<div class=\"news_hometext\">\n<p>No \u00e9s ben b\u00e9 aix\u00ed, per\u00f2 l\u2019ametller s\u2019ha cobert de blanc i rosa, els altres arbres del pati fan for\u00e7a per despuntar les seves gemmes i els pardals parlen entre ells a totes hores.<\/p>\n<p><a href=\"https:\/\/lh6.googleusercontent.com\/-_gZS1KovZ1E\/UwYUbn1cdOI\/AAAAAAAADUQ\/n5ieeWVXrz8\/w830-h623-no\/primavera01.jpg\" target=\"_blank\"><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/t8LI8ksXp0RYJVGcWUdMBzUQTii6wildBUg1Xj9vmSI=w369-h277-no\" \/><\/a><\/p>\n<\/div>\n<p><!--more--><\/p>\n<p>La primavera astron\u00f2mica no arribar\u00e0 fins al dijous 20 de mar\u00e7, a les 17h 57m. De moment estem a l&#8217;hivern.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/-CYHaOKsptEI\/UwYUcZtMl-I\/AAAAAAAADUY\/aq9Q08cG854\/w830-h623-no\/primavera02.jpg\" \/><\/p>\n<p>L&#8217;inici de les estacions ve donat, per conveni, per aquells instants en qu\u00e8 la Terra es troba en unes determinades posicions en la seva \u00f2rbita al voltant del Sol. En el cas de la primavera, aquesta posici\u00f3 \u00e9s aquella en qu\u00e8 el centre del Sol, vist des de la Terra, creua l&#8217;equador celeste en el seu moviment aparent cap al nord. Quan aix\u00f2 succeeix, la durada del dia i la nit pr\u00e0cticament coincideixen, i per aix\u00f2, a aquesta circumst\u00e0ncia se l&#8217;anomena tamb\u00e9 equinocci de primavera. En aquest instant a l&#8217;hemisferi sud s&#8217;inicia la tardor.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/-8nTYL5zrBs4\/UwYUeB-SC6I\/AAAAAAAADUg\/fXJW2ksKwhc\/w830-h630-no\/primavera03.jpg\" \/><\/p>\n<p><span style=\"font-size: small;\">Les gavines ens visiten molts dies despr\u00e9s de l&#8217;hora d&#8217;esbarjo. Les restes d&#8217;entrepans contribueixen a la seva alimentaci\u00f3.\u00a0<\/span><\/p>\n<p>L&#8217;equinocci de primavera pot donar-se, com a m\u00e0xim, en tres dates diferents al llarg del segle XXI, podent iniciar-se en els dies 19 al 21 de mar\u00e7, sent el seu inici m\u00e9s matiner el de l&#8217;any 2096 i l&#8217;inici m\u00e9s tard\u00e0 el de 2003. Les variacions d&#8217;un any a un altre s\u00f3n degudes a la manera com encaixa la seq\u00fc\u00e8ncia d&#8217;anys segons el calendari (uns de trasp\u00e0s, altres no) amb la durada de cada \u00f2rbita de la Terra al voltant del Sol (durada coneguda com a any tr\u00f2pic).<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-ulegPSNzMhU\/UwYUfpTwvxI\/AAAAAAAADUs\/SEVz_haam8Y\/w830-h540-no\/primavera04.jpg\" \/><\/p>\n<p>Aquesta \u00e9s l&#8217;\u00e8poca de l&#8217;any en qu\u00e8 la longitud del dia s&#8217;allarga m\u00e9s r\u00e0pidament. A les latituds de la pen\u00ednsula, el Sol surt pels matins abans que el dia anterior ia la tarda es posa despr\u00e9s. Com a conseq\u00fc\u00e8ncia de l&#8217;inici de la primavera el temps en que el Sol est\u00e0 per sobre de l&#8217;horitz\u00f3 augmenta gaireb\u00e9 tres minuts cada dia.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-qQi_Bfd0Jp4\/UwYUgHj-2DI\/AAAAAAAADUw\/iL-e7tMIIis\/w830-h599-no\/primavera05.jpg\" \/><\/p>\n<p>Aquestes son les branques de l&#8217;albercoquer. Aviat s&#8217;ompliran de flors.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-RAIs43lfdCo\/UwYUgn7e_aI\/AAAAAAAADU8\/tkznBZNfngE\/w829-h586-no\/primavera06.jpg\" \/><\/p>\n<p>L&#8217;ametller (Prunus dulcis o Amygdalus communis) \u00e9s un arbre de fulla caducif\u00f2lia. Pertany a la fam\u00edlia de les ros\u00e0cies, que \u00e9s una de les m\u00e9s evolucionades i nombrosa en esp\u00e8cies.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/-gP1OMSuDuUk\/UwYUhFEZ99I\/AAAAAAAADVA\/Et_Jsgep1_s\/w830-h623-no\/primavera07.jpg\" \/><\/p>\n<p>La seva flor solit\u00e0ria o en grups de 2 o 4, \u00e9s pent\u00e1mera amb cinc s\u00e8pals, cinc p\u00e8tals amb colors variables entre blanc i rosat depenent de les esp\u00e8cies d&#8217;uns 3 a 5 cm de di\u00e0metre.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-ImBSlSZRGsU\/UwYUhj2rstI\/AAAAAAAADVI\/RRfeGXGGW14\/w782-h673-no\/primavera08.jpg\" \/><\/p>\n<p>Ha passat una setmana i hi han m\u00e9s flors i m\u00e9s ocells.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-H-cEkQ2AvM4\/Uwze-6dt66I\/AAAAAAAADXQ\/m57temjKI-k\/w830-h623-no\/primavera14001.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-lgMFQR5TK3A\/Uwze-wiVYeI\/AAAAAAAADXE\/68KecB4FRzU\/w830-h623-no\/primavera14002.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-Y9gVQr3VSLQ\/Uwze_TYbr5I\/AAAAAAAADXg\/PImTRUmRHgk\/w830-h623-no\/primavera14003.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/-omU1MF9NoZs\/Uwze_8Y-GgI\/AAAAAAAADXM\/W0HWJxszfnM\/w799-h673-no\/primavera14004.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/-0x7BaG0kn8M\/UwzfAfQ8O5I\/AAAAAAAADXc\/yU7OGI6UHyc\/w830-h623-no\/primavera14005.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/-O_JocIZwZJo\/UwzfA1cIm2I\/AAAAAAAADXk\/dRQCaBZiCIY\/w830-h623-no\/primavera14006.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/-INl_c3N88FQ\/UwzfBsWlhvI\/AAAAAAAADXs\/X8VFv49WgF8\/w830-h623-no\/primavera14007.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/-FnIx3WUKu7E\/UwzfCcjWltI\/AAAAAAAADYA\/4DfjDcMXmkE\/w830-h623-no\/primavera14008.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh5.googleusercontent.com\/-RHQEUDlhAPE\/UwzfCgBZk9I\/AAAAAAAADX8\/6Z9Y5sJCBQk\/w830-h623-no\/primavera14009.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-rFdp9L7PFtI\/UwzfC2K51lI\/AAAAAAAADYE\/peckt5L-Exg\/w830-h623-no\/primavera14010.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-YRXLtMXMehw\/UwzfDkh6YCI\/AAAAAAAADYM\/ZXbD-Uz7q20\/w830-h623-no\/primavera14011.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/-y_A5MBGbGRo\/UwzfEqD-SyI\/AAAAAAAADYY\/YiQQ0jNlcdc\/w830-h607-no\/primavera14012.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/-YuD7mRibhkA\/UwzfFSrPQ1I\/AAAAAAAADYc\/74wikP0It-4\/w830-h584-no\/primavera14013.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh3.googleusercontent.com\/-eJdyesH11mc\/UwzfGq1X0GI\/AAAAAAAADYk\/fkzzPXMV4Lg\/w830-h601-no\/primavera14014.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-odz_jLAhheM\/UwzfH80hT7I\/AAAAAAAADYw\/zFlf4PTxU18\/w830-h623-no\/primavera14015.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh4.googleusercontent.com\/-tgsi_33hVZ8\/UwzfIMMakhI\/AAAAAAAADY0\/zO9LFA7EkAQ\/w830-h623-no\/primavera14016.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/lh6.googleusercontent.com\/-qy1IbMlcqNc\/UwzfI0mtTLI\/AAAAAAAADY8\/ZJCUY_8svr8\/w830-h623-no\/primavera14017.jpg\" \/><\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/www.youtube.com\/embed\/cwTRJX7y85g\" width=\"840\" height=\"630\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>No \u00e9s ben b\u00e9 aix\u00ed, per\u00f2 l\u2019ametller s\u2019ha cobert de blanc i rosa, els altres arbres del pati fan for\u00e7a per despuntar les seves gemmes i els pardals parlen entre ells a totes hores.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","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":"","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 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