{"id":5279,"date":"2019-11-24T10:22:16","date_gmt":"2019-11-24T10:22:16","guid":{"rendered":"https:\/\/wp.erdmost.hu\/2019\/11\/24\/szennyezo-feny\/"},"modified":"2019-11-24T10:22:16","modified_gmt":"2019-11-24T10:22:16","slug":"szennyezo-feny","status":"publish","type":"post","link":"https:\/\/erdmost.hu\/en\/2019\/11\/24\/szennyezo-feny\/","title":{"rendered":"Szennyez\u0151 f\u00e9ny"},"content":{"rendered":"<p>A f\u00e9nyszennyez\u00e9s elleni k\u00fczdelem legismertebb hazai sz\u00f3sz\u00f3l\u00f3ja egy fizikus-csillag\u00e1sz egyetemi tan\u00e1r, a Magyar Csillag\u00e1szati Egyes\u00fclet eln\u00f6ke. Dr. Koll\u00e1th Zolt\u00e1n a Magyar F\u00f6ldrajzi M\u00fazeumban az \u00c9rdi Csillag\u00e1szati Klub vend\u00e9gek\u00e9nt tartott el\u0151ad\u00e1st a t\u00e9m\u00e1r\u00f3l.<\/p>\n<p>A technikai fejl\u0151d\u00e9ssel, az urbaniz\u00e1ci\u00f3 n\u00f6veked\u00e9s\u00e9vel jelent\u0151s m\u00e9rt\u00e9kben megn\u0151tt az \u00e9jszakai kivil\u00e1g\u00edt\u00e1s m\u00e9rt\u00e9ke, vagyis a f\u00e9nyterhel\u00e9s. A vil\u00e1g\u00edt\u00e1si ig\u00e9nyek n\u00f6veked\u00e9se \u00e9s a szok\u00e1sok v\u00e1ltoz\u00e1sa miatt a f\u00e9nyterhel\u00e9s egyre nagyobb ter\u00fcleten n\u00f6vekv\u0151 intenzit\u00e1ssal van jelen, r\u00e1ad\u00e1sul nagy t\u00e1vols\u00e1gra eljut, ak\u00e1r 100 kilom\u00e9terr\u0151l is \u00e9rz\u00e9kelhet\u0151 lehet. Mindez a csillagos \u00e9gbolt l\u00e1that\u00f3s\u00e1g\u00e1nak korl\u00e1toz\u00e1s\u00e1n t\u00fal k\u00e1ros\u00edtja az \u00e9l\u0151vil\u00e1got: t\u00e1j\u00e9koz\u00f3d\u00e1si \u00e9s \u00e9letritmusb\u00e9li zavarokat kelt, emellett az \u00e9lettev\u00e9kenys\u00e9g sz\u00e1mos ter\u00fclet\u00e9n ind\u00edt el helyrehozhatatlan v\u00e1ltoz\u00e1sokat az \u00e1llatvil\u00e1gban \u2013 hallottuk az el\u0151ad\u00e1sban.<\/p>\n<p>A f\u00e9nyterhel\u00e9s az emberi \u00e9letmin\u0151s\u00e9get, eg\u00e9szs\u00e9get is k\u00e1ros\u00edthatja, biol\u00f3giai \u00f3r\u00e1nkat ugyanis a k\u00f6rnyezet term\u00e9szetes f\u00e9nyv\u00e1ltoz\u00e1sai szinkroniz\u00e1lj\u00e1k \u00e9ves, havi \u00e9s napi ciklusok szerint. Mindez \u00e9vmilli\u00f3k sor\u00e1n alakult ki, 100-200 \u00e9v alatt a drasztikus v\u00e1ltoz\u00e1sokhoz nem lehet hozz\u00e1szokni. A lemen\u0151 Nap f\u00e9nye v\u00f6r\u00f6sebb, alkonyatkor melegebb sz\u00edn\u0171 f\u00e9ny vesz k\u00f6r\u00fcl benn\u00fcnket, ezzel szemben a manaps\u00e1g alkalmazott vil\u00e1g\u00edt\u00e1sok t\u00f6bbnyire hideg f\u00e9ny\u0171ek, s ez k\u00e9slelteti az eg\u00e9szs\u00e9g\u00fcnk meg\u0151rz\u00e9s\u00e9hez \u00e9s a nyugodt pihen\u00e9shez sz\u00fcks\u00e9ges melatonin hormon termel\u00e9s\u00e9t.<\/p>\n<p>Haz\u00e1nkban A LED-es technol\u00f3gia fejleszt\u00e9s\u00e9nek m\u00e1r korai szakasz\u00e1ban elkezdt\u00e9k a k\u00f6zvil\u00e1g\u00edt\u00e1s \u201ekorszer\u0171s\u00edt\u00e9s\u00e9t\u201d, de ezeknek a f\u00e9nyeknek a jellemz\u0151i messze voltak az ide\u00e1list\u00f3l \u2013 tudtuk meg a szakembert\u0151l. A mai lehet\u0151s\u00e9gek m\u00e1r sokkal t\u00e1gabb teret adn\u00e1nak a vil\u00e1g\u00edt\u00e1s szab\u00e1lyoz\u00e1s\u00e1ban, \u00e1m figyelem alig-alig jut erre. Ahogy az el\u0151ad\u00f3 fogalmazott, ezek az okos rendszerek m\u00e1r j\u00f3val t\u00f6bbet tudnak, mint az alkalmaz\u00f3ik.<br \/>\nPedig l\u00e9tezik t\u00f6rv\u00e9nyi szab\u00e1lyoz\u00e1s is a vil\u00e1g\u00edt\u00e1s tervez\u00e9s\u00e9r\u00e9re, amihez a f\u00e9nyszennyez\u00e9s fogalm\u00e1t is meghat\u00e1rozta a jogalkot\u00f3: \u201eolyan mesters\u00e9ges zavar\u00f3 f\u00e9ny, ami a horizont f\u00f6l\u00e9 vagy nem kiz\u00e1r\u00f3lag a megvil\u00e1g\u00edtand\u00f3 fel\u00fcletre \u00e9s annak ir\u00e1ny\u00e1ba, illetve nem a megfelel\u0151 id\u0151szakban vil\u00e1g\u00edt, ezzel k\u00e1pr\u00e1z\u00e1st, az \u00e9gbolt mesters\u00e9ges f\u00e9nyl\u00e9s\u00e9t vagy k\u00e1ros \u00e9lettani \u00e9s k\u00f6rnyezeti hat\u00e1st okoz, bele\u00e9rtve az \u00e9l\u0151vil\u00e1gra gyakorolt negat\u00edv hat\u00e1sokat is.\u201d<\/p>\n<p>Van teh\u00e1t megfelel\u0151 technol\u00f3gia, van szab\u00e1lyoz\u00e1s, vannak a figyelem\u00e9rt lobbiz\u00f3 szakemberek, m\u00e9gis k\u00e9sz\u00fclhetnek felv\u00e9telek lakott telep\u00fcl\u00e9st\u0151l messze, az erd\u0151 k\u00f6zep\u00e9n mag\u00e1nyosan \u00e1ll\u00f3, \u00e9jszak\u00e1nk\u00e9nt f\u00e9nyesen kivil\u00e1g\u00edtott k\u00e1poln\u00e1r\u00f3l \u2013 hogy csak egyet eml\u00edts\u00fcnk az el\u0151ad\u00e1s sor\u00e1n az \u00e9rtelmetlen f\u00e9nyszennyez\u00e9sre mutatott p\u00e9ld\u00e1k k\u00f6z\u00fcl.<\/p>","protected":false},"excerpt":{"rendered":"<p>A leveg\u0151, az \u00e9l\u0151vizek szennyez\u00e9s\u00e9re mindenki k\u00e9pes r\u00e9miszt\u0151 p\u00e9ld\u00e1kat sorolni, azt azonban m\u00e1r kevesebben tudj\u00e1k, hogy f\u00e9nnyel is lehet k\u00e1rokat okozni, illetve a f\u00e9nyt f\u00e9nnyel szennyezni. 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