{"id":22566,"date":"2025-10-18T14:57:06","date_gmt":"2025-10-18T14:57:06","guid":{"rendered":"https:\/\/www.europesays.com\/ro\/22566\/"},"modified":"2025-10-18T14:57:06","modified_gmt":"2025-10-18T14:57:06","slug":"cercetatorii-au-descoperit-ca-emisfera-nordica-a-pamantului-se-intuneca-mai-repede-decat-cea-sudica","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/ro\/22566\/","title":{"rendered":"Cercet\u0103torii au descoperit c\u0103 emisfera nordic\u0103 a P\u0103m\u00e2ntului se \u00eentunec\u0103 mai repede dec\u00e2t cea sudic\u0103."},"content":{"rendered":"<p>\n\t\t\t\t\t\tDimensiune text<\/p>\n<p>\t\t\t\t\t\t\tMic\u0103<br \/>\n\t\t\t\t\t\t\tNormal\u0103<br \/>\n\t\t\t\t\t\t\tMare<\/p>\n<p>Oamenii de \u0219tiin\u021b\u0103 spun c\u0103 jum\u0103tatea nordic\u0103 a P\u0103m\u00e2ntului se \u00eentunec\u0103 mai repede dec\u00e2t cea sudic\u0103, reflect\u00e2nd mai pu\u021bin\u0103 lumin\u0103 solar\u0103 \u00eenapoi \u00een spa\u021biu \u0219i absorbind mai mult\u0103 energie solar\u0103, transmite <a href=\"https:\/\/www.euronews.com\/next\/2025\/10\/16\/earths-northern-hemisphere-is-darkening-faster-than-the-south-scientists-find\" target=\"_blank\" rel=\"noopener nofollow\">Euronews<\/a>.<\/p>\n<p>Urm\u0103re\u0219te cele mai noi produc\u021bii video G4Media<br \/>\n&#8211; articolul continu\u0103 mai jos &#8211;<\/p>\n<p>Un nou studiu bazat pe mai mult de dou\u0103 decenii de date satelitare arat\u0103 aceast\u0103 schimbare mic\u0103, dar constant\u0103, \u00een echilibrul energetic al planetei.<\/p>\n<p>Cercet\u0103torii indic\u0103 aerul mai curat, topirea ghe\u021bii \u0219i schimb\u0103rile mici, dar semnificative, \u00een norii ca factori cheie ai acestei schimb\u0103ri.<\/p>\n<p>Radia\u021bia cu und\u0103 scurt\u0103 \u0219i und\u0103 lung\u0103<\/p>\n<p>\u00d8ivind Hodnebrog, cercet\u0103tor principal la Centrul Norvegian pentru Cercet\u0103ri Interna\u021bionale privind Clima (CICERO), a declarat c\u0103 rezultatele indic\u0103 o schimbare \u00een cantitatea de radia\u021bie solar\u0103 care ajunge pe P\u0103m\u00e2nt \u00een compara\u021bie cu c\u0103ldura radiat\u0103 \u00eenapoi \u00een spa\u021biu.<\/p>\n<p>\u201eCeea ce constat\u0103m \u00een acest articol este c\u0103 aceast\u0103 cre\u0219tere este mai mare \u00een emisfera nordic\u0103 dec\u00e2t \u00een emisfera sudic\u0103\u201d, a spus el.<\/p>\n<p>La baza acestui proces se afl\u0103 echilibrul dintre radia\u021bia cu und\u0103 scurt\u0103 \u0219i cea cu und\u0103 lung\u0103. Radia\u021bia cu und\u0103 scurt\u0103 provine de la Soare \u2013 lumina vizibil\u0103 \u0219i ultraviolet\u0103 care ajunge la suprafa\u021ba P\u0103m\u00e2ntului. O parte din aceasta este reflectat\u0103 direct \u00eenapoi \u00een spa\u021biu de nori, ghea\u021b\u0103 \u0219i alte suprafe\u021be luminoase.<\/p>\n<p>\u201eIar radia\u021bia cu und\u0103 lung\u0103 este cea emis\u0103 de sistemul terestru\u201d, a spus Hodnebrog. \u201eDeci, prin cre\u0219terea radia\u021biei solare absorbite, se produce o \u00eentunecare a P\u0103m\u00e2ntului**\u201d.* *<\/p>\n<p>De ce se \u00eentunec\u0103 P\u0103m\u00e2ntul v\u0103zut din spa\u021biu?<\/p>\n<p>Cercet\u0103torii au afirmat c\u0103 mai mul\u021bi factori determin\u0103 aceast\u0103 schimbare. Unul dintre cei mai importan\u021bi este aerul mai curat.<\/p>\n<p>Cu zeci de ani \u00een urm\u0103, cerul deasupra Europei, Americii de Nord \u0219i Chinei era plin de aerosoli reflectori \u2013 particule minuscule care reflectau lumina soarelui \u00eenapoi \u00een spa\u021biu. Pe m\u0103sur\u0103 ce ace\u0219ti poluan\u021bi au sc\u0103zut datorit\u0103 eforturilor sporite de combatere a schimb\u0103rilor climatice, a sc\u0103zut \u0219i capacitatea planetei de a devia razele soarelui.<\/p>\n<p>\u201eC\u00e2nd elimini aceste particule reflectorizante, \u00eenseamn\u0103 c\u0103 o cantitate mai mare de lumin\u0103 solar\u0103 este absorbit\u0103. Ele nu numai c\u0103 reflect\u0103 lumina solar\u0103, dar afecteaz\u0103 \u0219i norii\u201d, a spus Hodnebrog.<\/p>\n<p>\u201eDeci, c\u00e2nd ai poluare cu aerosoli, norii devin mai lumino\u0219i, ceea ce duce la o r\u0103cire. \u0218i, din nou, c\u00e2nd cure\u021bi aerosolii, norii devin \u0219i ei mai \u00eentuneca\u021bi, iar acesta este un efect major\u201d, a ad\u0103ugat el.<\/p>\n<p>Aerul mai curat schimb\u0103 \u0219i modul \u00een care se formeaz\u0103 norii, f\u0103c\u00e2ndu-i pu\u021bin mai \u00eentuneca\u021bi \u0219i mai pu\u021bin reflectan\u021bi.<\/p>\n<p>\u00centre timp, topirea ghe\u021bii \u0219i a z\u0103pezii din Arctica expune suprafe\u021bele mai \u00eentunecate ale oceanului \u0219i ale uscatului, care absorb \u0219i mai mult\u0103 c\u0103ldur\u0103.<\/p>\n<p>Cercet\u0103torii spun c\u0103 aceast\u0103 tendin\u021b\u0103 de \u00eentunecare s-ar putea s\u0103 nu fie permanent\u0103. Modul \u00een care va evolua va depinde de emisiile viitoare de gaze cu efect de ser\u0103, de nivelurile de poluare cu aerosoli \u0219i de modul \u00een care sistemul climatic r\u0103spunde la c\u0103ldura suplimentar\u0103.<\/p>\n","protected":false},"excerpt":{"rendered":"Dimensiune text Mic\u0103 Normal\u0103 Mare Oamenii de \u0219tiin\u021b\u0103 spun c\u0103 jum\u0103tatea nordic\u0103 a P\u0103m\u00e2ntului se \u00eentunec\u0103 mai repede&hellip;\n","protected":false},"author":2,"featured_media":22567,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[32,33,31,10719,36,37,27,74,34,35,25,10720,41,40,38,39,10721,26,28,29,30,71,72,73],"class_list":{"0":"post-22566","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-international","8":"tag-breaking-news","9":"tag-breakingnews","10":"tag-cele-mai-populare-subiecte","11":"tag-emisfere","12":"tag-featured-news","13":"tag-featurednews","14":"tag-headlines","15":"tag-international","16":"tag-latest-news","17":"tag-latestnews","18":"tag-news","19":"tag-pamant","20":"tag-ro","21":"tag-romana","22":"tag-romania","23":"tag-romanian","24":"tag-rotatie","25":"tag-stiri","26":"tag-titluri","27":"tag-top-stories","28":"tag-topstories","29":"tag-world","30":"tag-world-news","31":"tag-worldnews"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts\/22566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/comments?post=22566"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/posts\/22566\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/media\/22567"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/media?parent=22566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/categories?post=22566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/ro\/wp-json\/wp\/v2\/tags?post=22566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}