Yery\u00fcz\u00fcnde yapay olarak ayd\u0131nlat\u0131lan b\u00f6lgelerin ve yapay \u0131\u015f\u0131k miktar\u0131n\u0131n g\u00fcn ge\u00e7tik\u00e7e artt\u0131\u011f\u0131 bildirildi.<\/p>\n
BBC’de yer alan habere g\u00f6re, Almanya’n\u0131n Postdam kentindeki Yerbilim Ara\u015ft\u0131rma Merkezinden bilim adamlar\u0131, uydu g\u00f6r\u00fcnt\u00fcleri \u00fczerine yapt\u0131klar\u0131 \u00e7al\u0131\u015fmada, 2012-2016 d\u00f6neminde d\u00fcnya \u00fczerinde geceleri yapay olarak ayd\u0131nlat\u0131lan d\u0131\u015f mekanlar\u0131n y\u0131lda ortalama y\u00fczde 2,2 art\u0131\u015f g\u00f6sterdi\u011fini tespit etti.<\/p>\n
Geceleri yery\u00fcz\u00fcnden yay\u0131nlan \u0131\u015f\u0131k miktar\u0131n\u0131 \u00f6l\u00e7mek \u00fczere, Amerikan Havac\u0131l\u0131k ve Uzay Ajans\u0131n\u0131n (NASA) uydu radyometresini kullanan ara\u015ft\u0131rmac\u0131lar, \u0131\u015f\u0131k yo\u011funlu\u011funun da y\u0131lda y\u00fczde 1,8 artt\u0131\u011f\u0131n\u0131 belirledi.<\/p>\n
\u00d6te yandan ara\u015ft\u0131rmac\u0131lar ilgili d\u00f6nemde \u0131\u015f\u0131k yo\u011funlu\u011fundaki de\u011fi\u015fimin \u00fclkeden \u00fclkeye farkl\u0131l\u0131k g\u00f6sterdi\u011fine dikkat \u00e7ekti. \u00d6rne\u011fin ABD ve \u0130spanya gibi \u0131\u015f\u0131k yo\u011funlu\u011funun fazla oldu\u011fu \u00fclkelerde \u0131\u015f\u0131k yo\u011funlu\u011fu sabit kal\u0131rken, G\u00fcney Amerika, Afrika ve Asya’daki pek \u00e7ok \u00fclkede art\u0131\u015f g\u00f6sterdi.<\/p>\n
\u0130\u00e7 sava\u015flar\u0131n ya\u015fand\u0131\u011f\u0131 Yemen ve Suriye’de \u0131\u015f\u0131k yo\u011funlu\u011funun azald\u0131\u011f\u0131 g\u00f6zlendi.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar geli\u015fmi\u015f \u00fclkelerde \u0131\u015f\u0131k yo\u011funlu\u011funda belirgin art\u0131\u015f g\u00f6r\u00fclmemesinin sebebinin g\u00fcn\u00fcm\u00fczde giderek yayg\u0131nla\u015fan LED \u0131\u015f\u0131k sistemlerinin mavi \u0131\u015f\u0131k tayf\u0131nda olmas\u0131 sebebiyle uydu radyometreleri taraf\u0131ndan tespit edilememesi oldu\u011funu belirtti.<\/p>\n
Ara\u015ft\u0131rmaya \u00f6nderlik eden Christopher Kyba, insan g\u00f6r\u00fc\u015f\u00fcn\u00fcn \u0131\u015f\u0131k yo\u011funlu\u011funun artmas\u0131yla de\u011fil kontrast\u0131n artmas\u0131yla iyile\u015fti\u011fini vurgulayarak, yapay ayd\u0131nlatman\u0131n artmas\u0131 ve yayg\u0131nla\u015fmas\u0131n\u0131n enerji israf\u0131 yan\u0131nda “\u0131\u015f\u0131k kirlili\u011fine” yol a\u00e7t\u0131\u011f\u0131na vurgu yapt\u0131.<\/p>\n
Tabiat\u0131 tehdit ediyor<\/strong><\/p>\n Ara\u015ft\u0131rmac\u0131lar d\u00fcnyan\u0131n bir\u00e7ok \u00fclkesinde gece karanl\u0131\u011f\u0131n\u0131n yok olmaya y\u00fcz tutmas\u0131n\u0131n bitki \u00f6rt\u00fcs\u00fc, hayvan \u00e7e\u015fitlili\u011fi ve insan sa\u011fl\u0131\u011f\u0131 a\u00e7\u0131s\u0131ndan olumsuz sonu\u00e7lar do\u011furabilece\u011fi uyar\u0131s\u0131nda bulundu.<\/p>\n Yak\u0131n zaman \u00f6nce, sonu\u00e7lar\u0131 “Nature” dergisinde yay\u0131mlanan bir ara\u015ft\u0131rmada yapay \u0131\u015f\u0131\u011f\u0131n, gece sineklerinin etkinli\u011fini \u00f6nleyerek ekin polinasiyonunu olumsuz etkiledi\u011fini ortaya koymu\u015ftu. Ayr\u0131ca yapay olarak ayd\u0131nlatan b\u00f6lgelerde a\u011fa\u00e7lar\u0131n erken tomurcukland\u0131\u011f\u0131n\u0131<\/strong>, yapay ayd\u0131nlatman\u0131n gece ku\u015flar\u0131n\u0131n g\u00f6\u00e7 davran\u0131\u015flar\u0131n\u0131 de\u011fi\u015ftirdi\u011fini tespit eden bilimsel \u00e7al\u0131\u015fmalar yay\u0131mlanm\u0131\u015ft\u0131.<\/p>\n \u00d6te yandan mavi \u0131\u015f\u0131\u011f\u0131n insanlarda uyku hormonu melatoninin salg\u0131lanmas\u0131n\u0131 engelledi\u011fi biliniyor.<\/p>\n Ara\u015ft\u0131rman\u0131n sonu\u00e7lar\u0131 “Science Advances” dergisinde yay\u0131mland\u0131.<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" Yery\u00fcz\u00fcnde yapay olarak ayd\u0131nlat\u0131lan b\u00f6lgelerin ve yapay \u0131\u015f\u0131k miktar\u0131n\u0131n g\u00fcn ge\u00e7tik\u00e7e artt\u0131\u011f\u0131 bildirildi.<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"footnotes":""},"categories":[22],"tags":[],"coauthors":[],"class_list":["post-68251","post","type-post","status-publish","format-standard","hentry","category-bilim"],"_links":{"self":[{"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/posts\/68251","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/comments?post=68251"}],"version-history":[{"count":0,"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/posts\/68251\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/media?parent=68251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/categories?post=68251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/tags?post=68251"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.nordicturk.com\/arsiv\/20122025\/wp-json\/wp\/v2\/coauthors?post=68251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}