{"id":13092,"date":"2021-07-08T11:00:00","date_gmt":"2021-07-08T14:00:00","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/?p=13092"},"modified":"2023-01-05T13:48:01","modified_gmt":"2023-01-05T16:48:01","slug":"arctic-sea-ice-thinning-in-the-fast-lane","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/lv\/arktiska-juras-juras-ledus-izskerdesana-pa-atrinataja-linija\/","title":{"rendered":"Arktikas j\u016bras ledus retin\u0101\u0161an\u0101s \u0101trgaitas josl\u0101"},"content":{"rendered":"

Arktika retin\u0101s divas reizes \u0101tr\u0101k, nek\u0101 gaid\u012bts.<\/strong><\/h2>\n\n\n\n

Atjaunin\u0101ts modelis liecina, ka j\u016bras ledus gar Arktikas piekrasti sar\u016bk divas reizes \u0101tr\u0101k, nek\u0101 gaid\u012bts.<\/p>\n\n\n\n

Dabas st\u0101voklis pasliktin\u0101s l\u012bdz ar pieaugo\u0161o glob\u0101lo sasil\u0161anu un klimata p\u0101rmai\u0146\u0101m. Strauji k\u016bstot polu ledum, samazin\u0101s biolo\u0123isk\u0101 daudzveid\u012bba un rodas ba\u017eas ar\u012b par j\u016bras l\u012bmeni.<\/p>\n\n\n\n

P\u0101rbaudiet Mind the Graph Galerija<\/a> ilustr\u0101cijas, kas saist\u012btas ar j\u016bras ledu. Noklik\u0161\u0137iniet uz att\u0113la zem\u0101k!<\/p>\n\n\n\n

\"j\u016bras<\/a><\/figure>\n\n\n\n

J\u016bras ledus biezums kalpo k\u0101 barometrs, lai izprastu Arktikas re\u0123iona st\u0101vokli. Jo biez\u0101ks ledus, jo liel\u0101ka siltumizol\u0101cija, kas ne\u013cauj oke\u0101na virsmas temperat\u016brai paaugstin\u0101ties ziem\u0101 un vasar\u0101 pasarg\u0101 no karstuma.<\/p>\n\n\n\n

Arktisko ledus ku\u0161anu vasar\u0101 visticam\u0101k maz\u0101k uztur\u0113s ar\u012b pl\u0101n\u0101ks ledus.<\/p>\n\n\n\n

T\u0101p\u0113c p\u0113tnieki ir izv\u0113rt\u0113ju\u0161i nesen izstr\u0101d\u0101tas datorprogrammas rezult\u0101tus, kas paredz\u0113ta sniega dzi\u013cuma at\u0161\u0137ir\u012bbu nov\u0113rt\u0113\u0161anai gad\u0101, un identific\u0113ju\u0161i. j\u016bras ledus retin\u0101\u0161an\u0101s<\/strong> pa\u0101trin\u0101j\u0101s daudz vair\u0101k, nek\u0101 bija paredz\u0113ts.<\/p>\n\n\n\n

P\u0113t\u012bjuma m\u0113r\u0137is un uzdevumi<\/strong><\/h2>\n\n\n\n

T\u0101 k\u0101 j\u016bras ledus sega regul\u0113 gaisa un \u016bdens apmai\u0146u un siltuma p\u0101rnesi starp oke\u0101niem un atmosf\u0113ru, t\u0101 ietekm\u0113 re\u0123ion\u0101l\u0101s ekosist\u0113mas, puslodes v\u0113ju mode\u013cus un glob\u0101lo klimatu.<\/p>\n\n\n\n

Liel\u0101ka j\u016bras ledus biezums palielina termisko izol\u0101ciju, t\u0101p\u0113c temperat\u016bra ziem\u0101 ir zem\u0101ka.<\/p>\n\n\n\n

Tie\u0161i j\u016bras ledus biezums sniega uzkr\u0101\u0161an\u0101s laik\u0101 nosaka ar\u012b j\u016bras ledus dzi\u013cumu zem \u016bdens virsmas, kas b\u016btiski veicina j\u016bras ledus termodinamisko pieaugumu. T\u0101p\u0113c j\u016bras ledus biezums ir svar\u012bgs re\u0123iona vesel\u012bbas r\u0101d\u012bt\u0101js. <\/p>\n\n\n\n

P\u0113tnieki izmantoja CryoSat-2<\/a> satel\u012bta radaru, lai izm\u0113r\u012btu j\u016bras ledus biezumu \u0161aj\u0101 p\u0113t\u012bjum\u0101.<\/p>\n\n\n\n

M\u0113r\u0137is bija sal\u012bdzin\u0101t vec\u0101 mode\u013ca pieejamos datus ar jauno modeli, kas ietver klimata p\u0101rmai\u0146as.<\/p>\n\n\n\n

Ledus augstumu virs \u016bdens var noteikt, nosakot laiku, cik ilgi radara vi\u013c\u0146i atstarojas, t\u0101d\u0113j\u0101di nov\u0113rt\u0113jot t\u0101 biezumu.<\/p>\n\n\n\n

Lai prognoz\u0113tu kop\u0113jo sniega dzi\u013cumu un bl\u012bvumu da\u017e\u0101d\u0101s viet\u0101s ap Zieme\u013cu Ledus oke\u0101nu, tika izmantots Lagran\u017ea sniega uzkr\u0101\u0161an\u0101s modelis SnowModel-LG, \u0146emot v\u0113r\u0101 v\u0113ja, temperat\u016bras, nokri\u0161\u0146u un ledus kust\u012bbas anal\u012bzi.<\/p>\n\n\n\n

P\u0113c tam sniega mode\u013ca rezult\u0101ti tika apvienoti ar satel\u012btu radaru datiem, lai nov\u0113rt\u0113tu, cik strauji samazin\u0101s j\u016bras ledus biezums Arktik\u0101 un k\u0101 tas var main\u012bties laika gait\u0101.<\/p>\n\n\n\n

\"liels<\/a>
Att\u0113lu avots: Unsplash<\/a> l\u012bdz Cassie Matias<\/a><\/figcaption><\/figure>\n\n\n\n

Rezult\u0101t\u0101:<\/strong><\/h2>\n\n\n\n

J\u016bras ledus biezuma main\u012bgumam pierobe\u017eas j\u016br\u0101s tika pieskait\u012bts 50 procentu faktors, iek\u013caujot sniega segas main\u012bgumu.<\/p>\n\n\n\n

Saska\u0146\u0101 ar p\u0113t\u012bjuma rezult\u0101tiem sniega segas sv\u0101rst\u012bbas veido arvien liel\u0101ku da\u013cu no prognoz\u0113t\u0101 j\u016bras ledus biezuma main\u012bguma, sezon\u0101l\u0101 laika posm\u0101 pieaugot no aptuveni 20% l\u012bdz vair\u0101k nek\u0101 70%.<\/p>\n\n\n\n

Ar SnowModel-LG datiem pamatotas tendences tika nov\u0113rotas ar\u012b j\u016bras ledus biezuma statistik\u0101, pastiprinot t\u0101 samazin\u0101\u0161anos viet\u0101s, kur tas jau bija, un ievie\u0161ot iev\u0113rojamus zudumus viet\u0101s, kur t\u0101 v\u0113l nebija.<\/p>\n\n\n\n

Pieaugo\u0161\u0101 oglek\u013ca dioks\u012bda emisija izraisa ledus segas samazin\u0101\u0161anos, jo cilv\u0113ki ir iev\u0113rojami palielin\u0101ju\u0161i to darb\u012bbu skaitu, kas ietekm\u0113 vidi. Ar\u012b vair\u0101kas dz\u012bvnieku sugas pol\u0101rajos re\u0123ionos ir zaud\u0113ju\u0161as dz\u012bvotnes, jo led\u0101ji k\u016bst. Holistiska pieeja j\u016bras ledus biezuma nov\u0113rt\u0113\u0161anai tiks sniegta, izmantojot vi\u0146u integr\u0113to modeli, kas nov\u0113r\u0161 novecoju\u0161o anal\u012bzes sist\u0113mu plaisu un ietver t\u0101dus faktorus k\u0101 klimata p\u0101rmai\u0146as.<\/p>\n\n\n\n

Vi\u0146u veiktais p\u0113t\u012bjums ir noz\u012bm\u012bgs pav\u0113rsiens, kas noteikti var veicin\u0101t pla\u0161\u0101ku priek\u0161statu par patieso c\u0113loni.<\/p>\n\n\n\n

Lai uzzin\u0101tu vair\u0101k par vi\u0146u p\u0113t\u012bjumiem, skatiet t\u0101l\u0101k min\u0113to atsauci. <\/p>\n\n\n\n

Robbie D. C. Mallett, Julienne C. Stroeve, Michel Tsamados, Jack C. Landy, Rosemary Willatt, Vishnu Nandan, Glen E. Liston. Faster decline and greater variability in the sea ice thickness of the marginal Arctic seas when accounting for dynamic snow cover. The Cryosphere, 2021; 15 (5): 2429<\/a> DOI: 10.5194\/tc-15-2429-2021<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Arktika retin\u0101s divas reizes \u0101tr\u0101k, nek\u0101 gaid\u012bts. Atjaunin\u0101ts modelis liecina, ka j\u016bras ledus gar Arktikas piekrasti sar\u016bk divas reizes \u0101tr\u0101k, nek\u0101 gaid\u012bts. Dabas st\u0101voklis pasliktin\u0101s, pieaugot glob\u0101lajai sasil\u0161anai un klimata p\u0101rmai\u0146\u0101m. Strauji k\u016bstot polu ledum, samazin\u0101s biolo\u0123isk\u0101 daudzveid\u012bba un rodas ba\u017eas par to, ka [...].<\/p>","protected":false},"author":18,"featured_media":13111,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[554],"yoast_head":"\nArctic Sea Ice Thinning, in the Fast Lane - MTG<\/title>\n<meta name=\"description\" content=\"Nature is deteriorating with increasing global warming and climatic changes, and the sea ice along the coasts of the Arctic is thinning two times faster than expected.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/lv\/arktiska-juras-juras-ledus-izskerdesana-pa-atrinataja-linija\/\" \/>\n<meta property=\"og:locale\" content=\"lv_LV\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Arctic Sea Ice Thinning, in the Fast Lane\" \/>\n<meta property=\"og:description\" content=\"Nature is deteriorating with increasing global warming and climatic changes, and the sea ice along the coasts of the Arctic is thinning two times faster than expected.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/lv\/arktiska-juras-juras-ledus-izskerdesana-pa-atrinataja-linija\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-08T14:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-05T16:48:01+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/post-thinning-arctic-sea-facebook-01.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"628\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Bruna Soldera\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Arctic Sea Ice Thinning, in the Fast Lane\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2021\/07\/post-thinning-arctic.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Bruna Soldera\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Arctic Sea Ice Thinning, in the Fast Lane - 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