{"id":935,"date":"2004-12-03T09:37:00","date_gmt":"2004-12-03T08:37:00","guid":{"rendered":"https:\/\/kids.esa.int\/lakes\/"},"modified":"2026-10-08T00:33:57","modified_gmt":"2026-10-07T22:33:57","slug":"lakes","status":"publish","type":"post","link":"https:\/\/kids.esa.int\/hu\/lakes\/","title":{"rendered":"Tavak"},"content":{"rendered":"
\n

A tavak \u00e9rt\u00e9kes v\u00edz- \u00e9s \u00e9lelmiszerforr\u00e1sok, k\u00fcl\u00f6n\u00f6sen a szeg\u00e9ny orsz\u00e1gokban. Ugyanakkor a t\u00falzott kihaszn\u00e1l\u00e1s, a szennyez\u00e9s \u00e9s az \u00e9ghajlatv\u00e1ltoz\u00e1s k\u00f6nnyen k\u00e1ros\u00edthatja \u0151ket. A tavak m\u00e9ret\u00e9nek \u00e9s partvonal\u00e1nak v\u00e1ltoz\u00e1sai az \u0171rb\u0151l j\u00f3l l\u00e1that\u00f3k.<\/p>\n<\/div>\n

Az ilyen inform\u00e1ci\u00f3k rendk\u00edv\u00fcl \u00e9rt\u00e9kesek a t\u00e1voli r\u00e9gi\u00f3kban \u00e9s a szeg\u00e9ny orsz\u00e1gokban. Megmutatj\u00e1k, hogy a mez\u0151gazdas\u00e1g \u00e9s az id\u0151j\u00e1r\u00e1s hogyan befoly\u00e1solja a v\u00edzszintet. Emellett \u00e1rv\u00edzriad\u00f3val figyelmeztetik a k\u00f6rny\u00e9ken \u00e9l\u0151ket.<\/p>\n

A m\u0171holdak emellett fontos inform\u00e1ci\u00f3kat ny\u00fajtanak a tavak \u00e1llapot\u00e1r\u00f3l is, ide\u00e9rtve a v\u00edz h\u0151m\u00e9rs\u00e9klet\u00e9t, sz\u00edn\u00e9t \u00e9s szennyezetts\u00e9g\u00e9t.<\/p>\n

Az egyik legszembet\u0171n\u0151bb p\u00e9lda a kazahszt\u00e1ni Aral-t\u00f3. A valaha a vil\u00e1g negyedik legnagyobb tava az elm\u00falt 45 \u00e9v alatt eredeti m\u00e9ret\u00e9nek kevesebb mint fel\u00e9re zsugorodott.
Az olyan m\u0171holdakr\u00f3l sz\u00e1rmaz\u00f3 felv\u00e9telek, mint az ESA Envisatja, j\u00f3l mutatj\u00e1k, hogy az emberi tev\u00e9kenys\u00e9g k\u00f6vetkezt\u00e9ben az Aral-t\u00f3ba \u00f6ml\u0151 foly\u00f3k csup\u00e1n csek\u00e9ly patakokk\u00e1 sz\u0171k\u00fcltek. Ennek k\u00f6vetkezt\u00e9ben a t\u00f3 val\u00f3j\u00e1ban kett\u00e9szakadt. A t\u00f3 partja ment\u00e9n ma m\u00e1r egy 40 000 n\u00e9gyzetkilom\u00e9ter kiterjed\u00e9s\u0171, feh\u00e9r, s\u00f3s talaj\u00fa sivatag ter\u00fcl el.<\/p>\n

Az \u0171rben elhelyezett radarberendez\u00e9sek a tavak \u00e9s az azokat t\u00e1pl\u00e1l\u00f3 foly\u00f3k v\u00e1ltoz\u00f3 v\u00edzszintj\u00e9t is k\u00e9pesek m\u00e9rni. Az Aral-t\u00f3 nagy r\u00e9sz\u00e9n a v\u00edzszint az 1960-as \u00e9vek \u00f3ta 14 m\u00e9terrel s\u00fcllyedt. Ugyanakkor a t\u00f3 \u00e9szaki r\u00e9sz\u00e9n a v\u00edzszint emel\u00e9s\u00e9re \u00e9s a s\u00f3tartalom cs\u00f6kkent\u00e9s\u00e9re ir\u00e1nyul\u00f3 er\u0151fesz\u00edt\u00e9sek az elm\u00falt \u00e9vekben n\u00e9mi sikert hoztak.<\/p>","protected":false},"excerpt":{"rendered":"

Lakes are valuable sources of water and food, particularly in poor countries. However, they are easily damaged by overuse, pollution and climate change. Changes in the sizes and shorelines of […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"esa_banner_image":"https:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2003\/07\/the_shrinking_aral_sea_seen_from_envisat_s_meris2\/17873002-2-eng-GB\/The_shrinking_Aral_Sea_seen_from_Envisat_s_MERIS.jpg","esa_banner_description":"The shrinking Aral Sea, seen from Envisat's MERIS","esa_banner_credit":"ESA","esa_banner_licence":"ESA Standard Licence","esa_banner_detail_url":"https:\/\/www.esa.int\/ESA_Multimedia\/Images\/2003\/07\/The_shrinking_Aral_Sea_seen_from_Envisat_s_MERIS2","esa_external_url":"","esa_external_new_window":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":true},"categories":[42,10,66],"tags":[2],"panel":[],"language":[],"age":[],"duration":[],"resource_type":[],"audience":[],"wf_post_folders":[],"class_list":["post-935","post","type-post","status-publish","format-standard","hentry","category-earth","category-learn","category-water-world","tag-background-article"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/935","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/comments?post=935"}],"version-history":[{"count":1,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/935\/revisions"}],"predecessor-version":[{"id":2078,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/posts\/935\/revisions\/2078"}],"wp:attachment":[{"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/media?parent=935"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/categories?post=935"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/tags?post=935"},{"taxonomy":"panel","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/panel?post=935"},{"taxonomy":"language","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/language?post=935"},{"taxonomy":"age","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/age?post=935"},{"taxonomy":"duration","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/duration?post=935"},{"taxonomy":"resource_type","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/resource_type?post=935"},{"taxonomy":"audience","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/audience?post=935"},{"taxonomy":"wf_post_folders","embeddable":true,"href":"https:\/\/kids.esa.int\/hu\/wp-json\/wp\/v2\/wf_post_folders?post=935"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}