{"id":158725,"date":"2026-01-21T09:12:19","date_gmt":"2026-01-21T09:12:19","guid":{"rendered":"https:\/\/friss-hirek.hu\/index.php\/a-viz-feluleti-feszultsege-ilyen-sebessegnel-falkent-viselkedik-szakertok-egressy-matyas-dunai-kereseserol\/friss-hirek\/"},"modified":"2026-01-21T09:12:19","modified_gmt":"2026-01-21T09:12:19","slug":"a-viz-feluleti-feszultsege-ilyen-sebessegnel-falkent-viselkedik-szakertok-egressy-matyas-dunai-kereseserol","status":"publish","type":"post","link":"https:\/\/friss-hirek.hu\/index.php\/a-viz-feluleti-feszultsege-ilyen-sebessegnel-falkent-viselkedik-szakertok-egressy-matyas-dunai-kereseserol\/friss-hirek\/","title":{"rendered":"\u200b\u201eA v\u00edz fel\u00fcleti fesz\u00fclts\u00e9ge ilyen sebess\u00e9gn\u00e9l falk\u00e9nt viselkedik\u201d \u2013 szak\u00e9rt\u0151k Egressy M\u00e1ty\u00e1s dunai keres\u00e9s\u00e9r\u0151l"},"content":{"rendered":"<p><a href=\"https:\/\/24.hu\/belfold\/2026\/01\/20\/egressy-matyas-duna-kutatas-lanchid\/\" target=\"_blank\" rel=\"noopener\">M\u00e1r a Dun\u00e1ban keresik<\/a> <strong>Egressy<\/strong> <strong>M\u00e1ty\u00e1st<\/strong>, aki a h\u00e9tv\u00e9g\u00e9n az \u00d6tkert nev\u0171 budapesti sz\u00f3rakoz\u00f3helyr\u0151l t\u0171nt el, \u00e9s az\u00f3ta sem akadtak a nyom\u00e1ra a hat\u00f3s\u00e1gok. A 18 \u00e9ves fiatal csal\u00e1dja az\u00f3ta kiadott egy k\u00f6zlem\u00e9nyt, <a href=\"https:\/\/www.facebook.com\/permalink.php?story_fbid=pfbid02NGTzoxExzQDowD223DiyzpuVVt1DUYpvzGSX8auyNptaM1nRNdspPoziYpQfmstal&amp;id=100019501449803\" target=\"_blank\" rel=\"noopener\">melyben \u00fagy fogalmaztak<\/a>: \u201e<a href=\"https:\/\/24.hu\/belfold\/2026\/01\/20\/egressy-matyas-duna-kutatas-lanchid\/\" target=\"_blank\" rel=\"noopener\">a L\u00e1nch\u00eddr\u00f3l szombaton leesett szem\u00e9ly<\/a> nagy val\u00f3sz\u00edn\u0171s\u00e9ggel a Matyi szem\u00e9lye\u201d.<\/p><div id=\"friss-1412098647\" class=\"friss-etarget friss-entity-placement\"><script type=\"text\/javascript\" id=\"etargetScript7a9b589f63cb072bef80df221f46a22b\">function etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b(){var e=\"etargetPostload7a9b589f63cb072bef80df221f46a22b\",t=\"etargetScript7a9b589f63cb072bef80df221f46a22b\",o=document.getElementById(e);if(o){for(var n=o.offsetTop,d=o.offsetLeft,r=o.offsetWidth,a=o.offsetHeight;o.offsetParent;)o=o.offsetParent,n+=o.offsetTop,d+=o.offsetLeft;var i=(n<=window.pageYOffset+window.innerHeight&&d<window.pageXOffset+window.innerWidth&&n+a>window.pageYOffset&&d+r>window.pageXOffset);if(i&&etargetAllowOtherCheck){allowed=!1;var c=document.createElement(\"script\");return c.src=\"\/\/hu.search.etargetnet.com\/generic\/uni.php?g=ref:58661,area:700x210\",void(document.getElementById(t)&&document.getElementById(e)&&(document.getElementById(t).parentNode.appendChild(c),document.getElementById(t).parentNode.removeChild(document.getElementById(t)),document.getElementById(e).parentNode.removeChild(document.getElementById(e)),document.removeEventListener(\"scroll\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.removeEventListener(\"resize\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.removeEventListener(\"DOMContentLoaded\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b)))}}}var etargetDivID=\"etargetPostload7a9b589f63cb072bef80df221f46a22b\",etargetScriptID=\"etargetScript7a9b589f63cb072bef80df221f46a22b\",etargetPostloadPoint=document.createElement(\"div\");etargetPostloadPoint.id=etargetDivID;var etargetCurScript=document.getElementById(etargetScriptID);etargetCurScript.parentNode.appendChild(etargetPostloadPoint),document.addEventListener(\"scroll\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.addEventListener(\"resize\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b),document.addEventListener(\"DOMContentLoaded\",etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b);var etargetAllowOtherCheck=!0;if(typeof(\"forceRunPostload\")==\"string\"){etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b()}<\/script><\/div>\n<p>A dunai keres\u00e9s kapcs\u00e1n az\u00f3ta is rengeteg tal\u00e1lgat\u00e1s jelent meg, legink\u00e1bb az online nyilv\u00e1noss\u00e1gban. Ezzel kapcsolatban a Pest V\u00e1rmegyei Kutat\u00f3-Ment\u0151 Szolg\u00e1lat \u2013 HUNGO <a href=\"https:\/\/www.facebook.com\/photo\/?fbid=1315936790579719&amp;set=a.459879842852089\" target=\"_blank\" rel=\"noopener\">tett k\u00f6zz\u00e9 egy szak\u00e9rt\u0151 bejegyz\u00e9st<\/a> a Facebookon. Mint \u00edrt\u00e1k: \u200b\u201eC\u00e9lunk, hogy seg\u00edts\u00fck a k\u00f6zv\u00e9lem\u00e9ny tiszt\u00e1nl\u00e1t\u00e1s\u00e1t abban, mi\u00e9rt jelent rendk\u00edv\u00fcli kih\u00edv\u00e1st a foly\u00f3v\u00edzi kutat\u00e1s ilyen k\u00f6rnyezeti felt\u00e9telek mellett\u201d.<\/p>\n<p>A Pest V\u00e1rmegyei Kutat\u00f3-Ment\u0151 Szolg\u00e1lat nem vesz r\u00e9szt Egressy M\u00e1ty\u00e1s keres\u00e9s\u00e9ben, szakmai megl\u00e1t\u00e1saikat k\u00edv\u00fcl\u00e1ll\u00f3k\u00e9nt osztott\u00e1k most meg a k\u00f6zv\u00e9lem\u00e9nnyel.<\/p>\n<h2>Mi t\u00f6rt\u00e9nik pontosan, ha valaki a L\u00e1nch\u00eddr\u00f3l a Dun\u00e1ba esik?<\/h2>\n<p>\u200b\u200bA becsap\u00f3d\u00e1s fizik\u00e1ja \u00e9s \u00e9lettani hat\u00e1sai kapcs\u00e1n a szolg\u00e1lat elmondta: a jelenlegi alacsony v\u00edz\u00e1ll\u00e1s miatt a hidak p\u00e1lyaszintje \u00e9s a v\u00edzfelsz\u00edn k\u00f6z\u00f6tti t\u00e1vols\u00e1g meghaladja a 15\u201320 m\u00e9tert.<\/p>\n<p><span class=\"highlight-block-small _ce_measure_widget\" data-ce-measure-widget=\"Kiemel\u00e9s - hossz\u00fa sz\u00f6veghez\">Ebben a magass\u00e1gban a szabades\u00e9s ideje mind\u00f6ssze 1,5\u20131,7 m\u00e1sodperc, ami alatt a test ir\u00e1ny\u00edthatatlanul gyorsul fel k\u00f6zel 60 km\/h-s sebess\u00e9gre.<\/span><\/p>\n<p>\u200b\u201eA v\u00edz fel\u00fcleti fesz\u00fclts\u00e9ge ilyen sebess\u00e9gn\u00e9l falk\u00e9nt viselkedik. Az \u00e9rkez\u0151 testet \u00e9r\u0151 lassul\u00e1si er\u0151 olyan m\u00e9rt\u00e9k\u0171, amely k\u00e9pes a bels\u0151 szerveket (m\u00e1jat, l\u00e9pet) megrepeszteni, \u00e9s szinte minden esetben azonnali eszm\u00e9letveszt\u00e9st okoz\u201d \u2013 tett\u00e9k hozz\u00e1.<\/p>\n<p>K\u00f6zl\u00e9s\u00fck szerint a Duna v\u00edzhozama Budapestn\u00e9l jelenleg k\u00f6r\u00fclbel\u00fcl 1070 m\u00b3\/s, sebess\u00e9ge pedig 2\u20133 km\/h (percek\u00e9nt kb. 33\u201345 m\u00e9ter). \u201eEz azt jelenti, hogy a keres\u00e9si ter\u00fclet percr\u0151l percre n\u0151; \u00f3r\u00e1kkal az esem\u00e9ny ut\u00e1n a keresett szem\u00e9ly \u2013 felt\u00e9telezhet\u0151en a v\u00edz alatt sodr\u00f3dva \u2013 m\u00e1r kilom\u00e9terekre lehet a bees\u00e9si pontt\u00f3l\u201d \u2013 k\u00f6z\u00f6lt\u00e9k azzal kapcsolatban, hogy a kutat\u00f3knak mennyire neh\u00e9z dolguk van a helysz\u00edn behat\u00e1rol\u00e1sa szempontj\u00e1b\u00f3l.<\/p>\n<figure aria-describedby=\"caption-attachment-4585588\" class=\"wp-caption alignnone\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-4585588 size-full\" src=\"https:\/\/s.24.hu\/app\/uploads\/2026\/01\/egressy-matyas-kereses.jpg\" alt=\"\" width=\"3507\" height=\"2338\" title=\"\u200b\u201eA v\u00edz fel\u00fcleti fesz\u00fclts\u00e9ge ilyen sebess\u00e9gn\u00e9l falk\u00e9nt viselkedik\u201d \u2013 szak\u00e9rt\u0151k Egressy M\u00e1ty\u00e1s dunai keres\u00e9s\u00e9r\u0151l 1\" \/><figcaption class=\"wp-caption-text\"><span class=\"a-imgSource\">Varga Jennifer \/ 24.hu<\/span> Tov\u00e1bbra is nagy er\u0151kkel keresi a rend\u0151rs\u00e9g Egressy M\u00e1ty\u00e1st.<\/figcaption><\/figure>\n<h2>Jeges Duna<\/h2>\n<p>A foly\u00f3 vize jelenleg nagyj\u00e1b\u00f3l 0,4\u20131 fokos. Ilyen h\u0151m\u00e9rs\u00e9klet mellett, \u00edrj\u00e1k, a testet azonnali hidegsokk \u00e9ri, ami kontroll\u00e1lhatatlan l\u00e9gz\u00e9si reflexet v\u00e1lt ki. Az izmok percek alatt leh\u0171lnek, ami a fizikai mozg\u00e1sk\u00e9ptelens\u00e9ghez (hipotermi\u00e1hoz) \u00e9s a sz\u00edv le\u00e1ll\u00e1s\u00e1hoz vezet.<\/p>\n<p>\u201eA foly\u00f3 vize nem \u00e1ttetsz\u0151; 20\u201330 centim\u00e9teres m\u00e9lys\u00e9g alatt a felsz\u00ednr\u0151l m\u00e1r semmi nem l\u00e1that\u00f3. A t\u00fcd\u0151 v\u00edzzel val\u00f3 tel\u00edt\u0151d\u00e9se miatt a test \u00e1ltal\u00e1ban a meder k\u00f6zel\u00e9ben sodr\u00f3dik, ami a technikai eszk\u00f6z\u00f6k alkalmaz\u00e1s\u00e1t is megnehez\u00edti\u201d \u2013 tett\u00e9k m\u00e9g hozz\u00e1 a Pest V\u00e1rmegyei Kutat\u00f3-Ment\u0151k, szakmai \u00f6sszegz\u00e9s\u00fck pedig a k\u00f6vetkez\u0151k\u00e9pp hangzik:<\/p>\n<blockquote class=\"_ce_measure_widget\" data-ce-measure-widget=\"Id\u00e9zet\">\n<p>\u200bA keres\u00e9si m\u0171veletek hat\u00e9konys\u00e1ga nagyban f\u00fcgg az inform\u00e1ci\u00f3szerz\u00e9s gyorsas\u00e1g\u00e1t\u00f3l. Amikor egy felv\u00e9tel vagy tan\u00favallom\u00e1s csak \u00f3r\u00e1kkal k\u00e9s\u0151bb v\u00e1lik el\u00e9rhet\u0151v\u00e9, a foly\u00f3 dinamik\u00e1ja miatt a kutat\u00e1si ter\u00fclet m\u00e9rete m\u00e1r t\u00f6bb t\u00edz kilom\u00e9teres szakaszra duzzad \u00e9s sajnos az elt\u0171nt szem\u00e9ly felsz\u00ednre emelked\u00e9se hetekig is eltarthat.\u200b Szervezet\u00fcnk ez\u00faton is kifejezi m\u00e9ly egy\u00fctt\u00e9rz\u00e9s\u00e9t az \u00e9rintettek hozz\u00e1tartoz\u00f3ival, \u00e9s elismeri a helysz\u00ednen dolgoz\u00f3 t\u00e1rsszervek \u00e1ldozatos \u00e9s szakszer\u0171 munk\u00e1j\u00e1t.<\/p>\n<\/blockquote>\n<p><span data-mce-type=\"bookmark\" class=\"mce_SELRES_start\">\ufeff<\/span><\/p>\n<p>The post <a href=\"https:\/\/24.hu\/belfold\/2026\/01\/21\/egressy-matyas-duna-kereses-szakerto\/\" target=\"_blank\">\u200b\u201eA v\u00edz fel\u00fcleti fesz\u00fclts\u00e9ge ilyen sebess\u00e9gn\u00e9l falk\u00e9nt viselkedik\u201d \u2013 szak\u00e9rt\u0151k Egressy M\u00e1ty\u00e1s dunai keres\u00e9s\u00e9r\u0151l<\/a> first appeared on <a href=\"https:\/\/24.hu\/\" target=\"_blank\">24.hu<\/a>.<\/p><div id=\"friss-2536706858\" class=\"friss-etarget-cikk-vege friss-entity-placement\"><script type=\"text\/javascript\" id=\"etargetScript7a9b589f63cb072bef80df221f46a22b\">function etargetPostloadFunction7a9b589f63cb072bef80df221f46a22b(){var e=\"etargetPostload7a9b589f63cb072bef80df221f46a22b\",t=\"etargetScript7a9b589f63cb072bef80df221f46a22b\",o=document.getElementById(e);if(o){for(var n=o.offsetTop,d=o.offsetLeft,r=o.offsetWidth,a=o.offsetHeight;o.offsetParent;)o=o.offsetParent,n+=o.offsetTop,d+=o.offsetLeft;var i=(n<=window.pageYOffset+window.innerHeight&&d<window.pageXOffset+window.innerWidth&&n+a>window.pageYOffset&&d+r>window.pageXOffset);if(i&&etargetAllowOtherCheck){allowed=!1;var c=document.createElement(\"script\");return 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id=\"friss-691447554\" class=\"friss-after-content_3 friss-entity-placement\">https:\/\/www.youtube.com\/watch?v=Pdnw4KiUWp0<\/div>","protected":false},"excerpt":{"rendered":"<p>M\u00e1r a Dun\u00e1ban keresik Egressy M\u00e1ty\u00e1st, aki a h\u00e9tv\u00e9g\u00e9n az \u00d6tkert nev\u0171 budapesti sz\u00f3rakoz\u00f3helyr\u0151l t\u0171nt el, \u00e9s az\u00f3ta sem akadtak a nyom\u00e1ra a hat\u00f3s\u00e1gok. A 18 \u00e9ves fiatal csal\u00e1dja az\u00f3ta kiadott egy k\u00f6zlem\u00e9nyt, melyben \u00fagy fogalmaztak: \u201ea L\u00e1nch\u00eddr\u00f3l szombaton leesett szem\u00e9ly nagy val\u00f3sz\u00edn\u0171s\u00e9ggel a Matyi szem\u00e9lye\u201d. A dunai keres\u00e9s kapcs\u00e1n az\u00f3ta is rengeteg tal\u00e1lgat\u00e1s jelent [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-158725","post","type-post","status-publish","format-standard","hentry","category-friss-hirek"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/posts\/158725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/comments?post=158725"}],"version-history":[{"count":0,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/posts\/158725\/revisions"}],"wp:attachment":[{"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/media?parent=158725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/categories?post=158725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/friss-hirek.hu\/index.php\/wp-json\/wp\/v2\/tags?post=158725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}