{"id":1293,"date":"2025-04-06T18:31:29","date_gmt":"2025-04-06T18:31:29","guid":{"rendered":"https:\/\/latinzona.hu\/?p=1293"},"modified":"2025-04-06T18:31:31","modified_gmt":"2025-04-06T18:31:31","slug":"ujabb-ot-to-a-kiszaradas-szelen-argentinaban","status":"publish","type":"post","link":"https:\/\/latinzona.hu\/index.php\/2025\/04\/06\/ujabb-ot-to-a-kiszaradas-szelen-argentinaban\/","title":{"rendered":"\u00dajabb \u00f6t t\u00f3 a kisz\u00e1rad\u00e1s hat\u00e1r\u00e1n Argent\u00edn\u00e1ban"},"content":{"rendered":"\n<p>Els\u0151sorban az \u00e9ghajlat v\u00e1ltoz\u00e9konys\u00e1ga, de a mez\u0151gazdas\u00e1gi tev\u00e9kenys\u00e9gek intenz\u00edvebb\u00e9 v\u00e1l\u00e1sa miatt is az argentin Patag\u00f3ni\u00e1ban, a Neuqu\u00e9n tartom\u00e1nyban tal\u00e1lhat\u00f3 Laguna Blanca Nemzeti Parkban tal\u00e1lhat\u00f3 \u00f6t tavat a kisz\u00e1rad\u00e1s vesz\u00e9lye fenyeget. <strong>Az ezeknek otthont ad\u00f3 ter\u00fcletet, amellett, hogy nemzeti park, a biol\u00f3giai sokf\u00e9les\u00e9g, az emberi \u00e9let \u00e9s a fenntarthat\u00f3 fejl\u0151d\u00e9s meg\u0151rz\u00e9se szempontj\u00e1b\u00f3l nemzetk\u00f6zi jelent\u0151s\u00e9g\u0171 ter\u00fclett\u00e9 nyilv\u00e1n\u00edtott\u00e1k.<\/strong> <\/p>\n\n\n\n<p>A <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0048969725003481\">Science of the Total Environment c\u00edm\u0171 foly\u00f3iratban megjelent tanulm\u00e1ny<\/a> riadalmat keltett, amikor meg\u00e1llap\u00edtotta, hogy e tavak felsz\u00edne 2007 \u00e9s 2024 k\u00f6z\u00f6tt 20-52%-kal cs\u00f6kkent. Ami az \u00f6kosziszt\u00e9m\u00e1ra gyakorolt k\u00e1ros hat\u00e1sokat, p\u00e9ld\u00e1ul az \u00e9l\u0151helyek cs\u00f6kken\u00e9s\u00e9t \u00e9s az alg\u00e1k elszaporod\u00e1s\u00e1t eredm\u00e9nyezi. <strong>A Laguna Banca Nemzeti Parkot l\u00e9tfontoss\u00e1g\u00fanak tartj\u00e1k a v\u00e1ndorl\u00f3 fajok t\u00e1pl\u00e1lkoz\u00e1sa szempontj\u00e1b\u00f3l. Tavai sz\u00e1mos mad\u00e1rfaj (125), eml\u0151s (16), h\u00fcll\u0151 (12) \u00e9s k\u00e9t\u00e9lt\u0171 (3) kritikus \u00e9l\u0151helyei,<\/strong> amelyek k\u00f6z\u00fcl n\u00e9h\u00e1ny endemikus \u00e9s vesz\u00e9lyeztetett, mint p\u00e9ld\u00e1ul a fekete nyak\u00fa hatty\u00fa \u00e9s a patag\u00f3niai b\u00e9ka. Ezeknek az er\u0151forr\u00e1soknak az elveszt\u00e9se elker\u00fclhetetlen\u00fcl s\u00falyos gazdas\u00e1gi, kultur\u00e1lis \u00e9s t\u00e1rsadalmi k\u00f6vetkezm\u00e9nyekkel is j\u00e1r. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1024\" height=\"640\" src=\"https:\/\/latinzona.hu\/wp-content\/uploads\/2025\/04\/blanca-1024x640.jpg\" alt=\"\" class=\"wp-image-1295\" srcset=\"https:\/\/latinzona.hu\/wp-content\/uploads\/2025\/04\/blanca-1024x640.jpg 1024w, https:\/\/latinzona.hu\/wp-content\/uploads\/2025\/04\/blanca-300x188.jpg 300w, https:\/\/latinzona.hu\/wp-content\/uploads\/2025\/04\/blanca-768x480.jpg 768w, https:\/\/latinzona.hu\/wp-content\/uploads\/2025\/04\/blanca-1536x960.jpg 1536w, https:\/\/latinzona.hu\/wp-content\/uploads\/2025\/04\/blanca.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2>\u00d6t t\u00f3 a kisz\u00e1rad\u00e1s sz\u00e9l\u00e9n &#8211; az okok az emberhez k\u00f6thet\u0151ek<\/h2>\n\n\n\n<p>A tavak felsz\u00edn\u00e9nek cs\u00f6kken\u00e9se okainak meghat\u00e1roz\u00e1s\u00e1hoz a kutat\u00f3k m\u0171holdfelv\u00e9teleket \u00e9s az \u00e9ghajlati indexet elemezt\u00e9k. Tanulm\u00e1nyozt\u00e1k a p\u00e1r\u00e1s \u00e9s asz\u00e1lyos id\u0151szakokat, valamint lelt\u00e1rt k\u00e9sz\u00edtettek a medence forr\u00e1svid\u00e9k\u00e9n ki\u00e9p\u00edtett infrastrukt\u00far\u00e1r\u00f3l. <strong>Az 1998 \u00e9s 2024 k\u00f6z\u00f6tt minden janu\u00e1rban k\u00e9sz\u00fclt m\u0171holdfelv\u00e9telek alapj\u00e1n meg\u00e1llap\u00edtott\u00e1k, hogy a nemzeti park ter\u00fclet\u00e9n tal\u00e1lhat\u00f3 \u00f6t t\u00f3 felsz\u00edne 2007 \u00f3ta ak\u00e1r 52%-kal is cs\u00f6kkent az egyre sz\u00e1razabb \u00e9ghajlati viszonyok miatt<\/strong>. Ugyanakkor azt is meg\u00e1llap\u00edtott\u00e1k, hogy 2007 \u00e9s 2024 k\u00f6z\u00f6tt a sz\u00e1raz id\u0151szakok n\u00f6vekedtek. A csapad\u00e9kos id\u0151szakok pedig cs\u00f6kkentek, ami kevesebb <a href=\"https:\/\/latinzona.hu\/index.php\/2024\/12\/08\/ket-sziv-alaku-sziget-bemutatasa-del-amerikabol\/\">v\u00edzhez<\/a> vezetett a medenc\u00e9ben. <\/p>\n\n\n\n<p>Emellett meg\u00e1llap\u00edtott\u00e1k, hogy 2020-t\u00f3l kezd\u0151d\u0151en 53 \u00f6nt\u00f6z\u0151csatorna \u00e9p\u00fcl a Nemzeti Park foly\u00e1sir\u00e1ny\u00e1ba, a Laguna Blanca medenc\u00e9j\u00e9ben.Az alkalmazott modell robusztuss\u00e1ga ellen\u00e9re, amely glob\u00e1lis szint\u0171, a kutat\u00f3k hangs\u00falyozz\u00e1k, hogy t\u00f6bb helyi adatra van sz\u00fcks\u00e9g a modell t\u00e1pl\u00e1l\u00e1s\u00e1ra. B\u00e1r a megl\u00e9v\u0151 adatok el\u00e9g j\u00f3k voltak a tanulm\u00e1nyhoz. Patag\u00f3ni\u00e1ban a Nemzeti Meteorol\u00f3giai Szolg\u00e1latnak nagyon kev\u00e9s \u00e1llom\u00e1sa van, r\u00e1ad\u00e1sul 2015-ig friss\u00edtett adatokkal. <\/p>\n\n\n\n<p>Ez az adathi\u00e1ny \u00e9s az integr\u00e1lt v\u00edzgy\u0171jt\u0151-gazd\u00e1lkod\u00e1s hi\u00e1nya a v\u00edztestek elt\u0171n\u00e9s\u00e9hez vezet egy olyan ter\u00fcleten, ahol a v\u00edzk\u00e9szletek sz\u0171k\u00f6sek. Ugyanez t\u00f6rt\u00e9nt egy m\u00e1sik patag\u00f3niai t\u00f3val, a Colhu\u00e9 Huap\u00edval is. Anno m\u00e9rete meghaladta a 800 km2-t, egy \u00e9vtizeddel ezel\u0151tt viszont kisz\u00e1radt. Patag\u00f3nia ezen ter\u00fclet\u00e9n a j\u00f6v\u0151ben er\u0151s v\u00edzcs\u00f6kken\u00e9sre sz\u00e1m\u00edtanak. Amint arra a Theoretical and Applied Climatology c\u00edm\u0171 foly\u00f3iratban megjelent tanulm\u00e1ny is r\u00e1mutat. Amely emelked\u0151 h\u0151m\u00e9rs\u00e9kletet \u00e9s cs\u00f6kken\u0151 csapad\u00e9kmennyis\u00e9get j\u00f3sol. <\/p>\n\n\n\n<h3>Egy\u00e9b k\u00f6vetkezm\u00e9nyek<\/h3>\n\n\n\n<p><strong>A tavak elt\u0171n\u00e9s\u00e9nek m\u00e1s k\u00f6vetkezm\u00e9nyei is lehetnek. Ha a t\u00f3 alj\u00e1n l\u00e9v\u0151 \u00fcled\u00e9ket a sz\u00e9l erod\u00e1lja, az Zapala v\u00e1ros\u00e1ba ker\u00fcl, \u00e9s l\u00e9gz\u00e9si probl\u00e9m\u00e1kat okoz a lakoss\u00e1gnak, ahogyan ez m\u00e1r megt\u00f6rt\u00e9nt Comodoro Rivadavi\u00e1ban a Colhu\u00e9 Huap\u00ed kisz\u00e1rad\u00e1s\u00e1val.<\/strong> A Neuqu\u00e9n tartom\u00e1ny k\u00f6zpontj\u00e1ban tal\u00e1lhat\u00f3 Zapala becsl\u00e9sek szerint 34000 lakos\u00fa. \u00c9s k\u00f6r\u00fclbel\u00fcl 40 km-re fekszik a Laguna Blanca Nemzeti Parkt\u00f3l. S\u00fcrg\u0151s helyi \u00e9s nemzetk\u00f6zi term\u00e9szetv\u00e9delmi int\u00e9zked\u00e9sekre van sz\u00fcks\u00e9g. Hogy meg\u00e1ll\u00edts\u00e1k e s\u00e9r\u00fcl\u00e9keny \u00f6kosziszt\u00e9m\u00e1k \u00e9s endemikus \u00e9l\u0151vil\u00e1guk elt\u0171n\u00e9s\u00e9t, ahogyan az a vil\u00e1g m\u00e1s r\u00e9szein m\u00e1r megt\u00f6rt\u00e9nt. <\/p>\n\n\n\n<p>A jelenlegi tudom\u00e1nyos \u00e9s technol\u00f3giai gyakorlatokkal kapcsolatban a szak\u00e9rt\u0151k r\u00e1mutattak, hogy a sz\u00e9nhidrog\u00e9n-kitermel\u00e9s, a fracking, az agr\u00e1r\u00fczlet \u00e9s az erd\u00e9szeti \u00fcltetv\u00e9nyek k\u00f6zvetlen okai a v\u00edzfogyaszt\u00e1snak. Amelyek c\u00e9lja az \u00e1ruk exportja, nem pedig a k\u00f6z\u00f6ss\u00e9g \u00e9lete \u00e9rdek\u00e9ben t\u00f6rt\u00e9n\u0151 \u00fczleti tev\u00e9kenys\u00e9g.<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Els\u0151sorban az \u00e9ghajlat v\u00e1ltoz\u00e9konys\u00e1ga, de a mez\u0151gazdas\u00e1gi tev\u00e9kenys\u00e9gek intenz\u00edvebb\u00e9 v\u00e1l\u00e1sa miatt is az argentin Patag\u00f3ni\u00e1ban, a Neuqu\u00e9n tartom\u00e1nyban tal\u00e1lhat\u00f3 Laguna Blanca Nemzeti Parkban tal\u00e1lhat\u00f3 \u00f6t <a class=\"mh-excerpt-more\" href=\"https:\/\/latinzona.hu\/index.php\/2025\/04\/06\/ujabb-ot-to-a-kiszaradas-szelen-argentinaban\/\" title=\"\u00dajabb \u00f6t t\u00f3 a kisz\u00e1rad\u00e1s hat\u00e1r\u00e1n Argent\u00edn\u00e1ban\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":1294,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[24],"tags":[17],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v15.5 - 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