{"id":14908,"date":"2024-05-15T19:28:43","date_gmt":"2024-05-15T19:28:43","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=14908"},"modified":"2024-05-15T19:28:43","modified_gmt":"2024-05-15T19:28:43","slug":"mississippi-river-70-million-year-journey","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/hu\/science\/earth-science\/mississippi-river-70-million-year-journey\/","title":{"rendered":"A Mississippi foly\u00f3: Egy 70 milli\u00f3 \u00e9ves utaz\u00e1s"},"content":{"rendered":"<h2 class=\"wp-block-heading\">A Mississippi foly\u00f3: Egy 70 milli\u00f3 \u00e9ves utaz\u00e1s<\/h2>\n\n<h2 class=\"wp-block-heading\">Eredet \u00e9s fejl\u0151d\u00e9s<\/h2>\n\n<p>A Mississippi foly\u00f3t, amelyet a &#8220;Vizek atyj\u00e1nak&#8221; is neveznek, gazdag \u00e9s \u00f6sszetett t\u00f6rt\u00e9nelem jellemzi, amely t\u00f6bb milli\u00f3 \u00e9vre ny\u00falik vissza. K\u00f6r\u00fclbel\u00fcl 70 milli\u00f3 \u00e9vvel ezel\u0151tt, a k\u00e9s\u0151 kr\u00e9ta id\u0151szakban, egy r\u00e9s keletkezett egy hegyl\u00e1ncban, amely \u00c9szak-Amerik\u00e1ban elz\u00e1rta a d\u00e9l fel\u00e9 tart\u00f3 v\u00edz\u00e1raml\u00e1st. Ez a r\u00e9s, amelyet Mississippi-s\u00edks\u00e1gnak (m\u00e1s n\u00e9ven Mississippi-delt\u00e1nak) neveznek, lehet\u0151v\u00e9 tette, hogy egy foly\u00f3 a Nyugati Bels\u0151-tengerb\u0151l a Mexik\u00f3i-\u00f6b\u00f6lbe folyjon.<\/p>\n\n<p>Id\u0151vel ez a foly\u00f3, amelyet ma Mississippinek ismer\u00fcnk, mell\u00e9kfoly\u00f3k, p\u00e9ld\u00e1ul a Platte, az Arkansas, a Tennessee \u00e9s a Red River hozz\u00e1ad\u00e1s\u00e1val egyre nagyobb lett. N\u00e9gymilli\u00f3 \u00e9vvel ezel\u0151tt hatalmas v\u00edzi \u00fatt\u00e1 v\u00e1lt, amely n\u00e9gyszer-nyolcszor t\u00f6bb vizet sz\u00e1ll\u00edtott, mint ma.<\/p>\n\n<h2 class=\"wp-block-heading\">Kultur\u00e1lis jelent\u0151s\u00e9g<\/h2>\n\n<p>A Mississippi foly\u00f3 k\u00f6zponti szerepet j\u00e1tszott az amerikai kult\u00far\u00e1ban \u00e9s t\u00f6rt\u00e9nelemben. A 19. sz\u00e1zad elej\u00e9n a spanyol \u00e9s az amerikai ter\u00fcletek k\u00f6z\u00f6tti nyugati hat\u00e1rt jel\u00f6lte, \u00e9s tov\u00e1bbra is meghat\u00e1rozza az \u00fatvonala menti k\u00f6z\u00f6ss\u00e9gek \u00e9let\u00e9t.<\/p>\n\n<p>Mark Twain \u00edr\u00e1sai a szabads\u00e1g \u00e9s a kaland szimb\u00f3lumak\u00e9nt \u00f6r\u00f6k\u00edtett\u00e9k meg a foly\u00f3t, m\u00edg az odzsibv\u00e9, dakota \u00e9s csitimacsa t\u00f6rzsek m\u00e9ly spiritu\u00e1lis kapcsolatot \u00e1polnak a viz\u00e9vel.<\/p>\n\n<h2 class=\"wp-block-heading\">Gazdas\u00e1gi jelent\u0151s\u00e9g<\/h2>\n\n<p>A Mississippi foly\u00f3 az Amerikai Egyes\u00fclt \u00c1llamok l\u00e9tfontoss\u00e1g\u00fa gazdas\u00e1gi \u00fct\u0151ere. T\u00e1mogatja a mez\u0151gazdas\u00e1got, a k\u00f6zleked\u00e9st \u00e9s az ipart, valamint 18 milli\u00f3 amerikai sz\u00e1m\u00e1ra biztos\u00edt iv\u00f3vizet.<\/p>\n\n<h2 class=\"wp-block-heading\">Kih\u00edv\u00e1sok \u00e9s lehet\u0151s\u00e9gek<\/h2>\n\n<p>A Mississippi foly\u00f3 jelent\u0151s kih\u00edv\u00e1sokkal is szembes\u00fclt, t\u00f6bbek k\u00f6z\u00f6tt \u00e1rvizekkel \u00e9s szennyez\u00e9ssel. Az 1927-es nagy \u00e1rv\u00edz t\u00f6bb ezer embert k\u00e9nyszer\u00edtett elhagyni otthon\u00e1t, \u00e9s felgyors\u00edtotta az afroamerikaiak \u00e9szaki v\u00e1rosokba t\u00f6rt\u00e9n\u0151 nagyar\u00e1ny\u00fa v\u00e1ndorl\u00e1s\u00e1t.<\/p>\n\n<p>A foly\u00f3 azonban lehet\u0151s\u00e9geket is k\u00edn\u00e1l rekre\u00e1ci\u00f3ra, turizmusra \u00e9s k\u00f6rnyezetv\u00e9delemre. Az eg\u00e9sz vil\u00e1gr\u00f3l \u00e9rkeznek emberek, hogy megtapasztalj\u00e1k a Mississippi term\u00e9szetes sz\u00e9ps\u00e9g\u00e9t \u00e9s t\u00f6rt\u00e9nelmi jelent\u0151s\u00e9g\u00e9t.<\/p>\n\n<h2 class=\"wp-block-heading\">Folyamatban l\u00e9v\u0151 kutat\u00e1sok<\/h2>\n\n<p>A geol\u00f3gusok folyamatosan tanulm\u00e1nyozz\u00e1k a Mississippi foly\u00f3t, hogy jobban meg\u00e9rts\u00e9k annak eredet\u00e9t \u00e9s fejl\u0151d\u00e9s\u00e9t. A k\u00f6zelm\u00faltbeli kutat\u00e1sok azt mutatj\u00e1k, hogy a foly\u00f3 m\u00e9g r\u00e9gebbi lehet, mint kor\u00e1bban gondolt\u00e1k, \u00e9s k\u00f6r\u00fclbel\u00fcl 80 milli\u00f3 \u00e9vvel ezel\u0151ttre tehet\u0151.<\/p>\n\n<p>A folyamatban l\u00e9v\u0151 megfigyel\u00e9si er\u0151fesz\u00edt\u00e9sek c\u00e9lja a foly\u00f3 eg\u00e9szs\u00e9g\u00e9nek meg\u0151rz\u00e9se \u00e9s folyamatos fennmarad\u00e1s\u00e1nak biztos\u00edt\u00e1sa a j\u00f6v\u0151 gener\u00e1ci\u00f3i sz\u00e1m\u00e1ra.<\/p>\n\n<h2 class=\"wp-block-heading\">A Mississippi \u00f6r\u00f6ks\u00e9ge<\/h2>\n\n<p>A Mississippi foly\u00f3 a term\u00e9szet erej\u00e9nek \u00e9s az emberi k\u00f6z\u00f6ss\u00e9gek ellen\u00e1ll\u00f3 k\u00e9pess\u00e9g\u00e9nek bizony\u00edt\u00e9ka. 70 milli\u00f3 \u00e9ves \u00fatja form\u00e1lta \u00c9szak-Amerika t\u00e1jait, kult\u00far\u00e1j\u00e1t \u00e9s gazdas\u00e1g\u00e1t.<\/p>\n\n<p>A Mississippi tov\u00e1bbi felfedez\u00e9s\u00e9vel \u00e9s megbecs\u00fcl\u00e9s\u00e9vel tanulhatunk m\u00faltj\u00e1b\u00f3l, \u00e9s biztos\u00edthatjuk j\u00f6v\u0151j\u00e9t, mint az elk\u00f6vetkez\u0151 gener\u00e1ci\u00f3k l\u00e9tfontoss\u00e1g\u00fa er\u0151forr\u00e1s\u00e1t.<\/p>","protected":false},"excerpt":{"rendered":"<p>A Mississippi foly\u00f3: Egy 70 milli\u00f3 \u00e9ves utaz\u00e1s Eredet \u00e9s fejl\u0151d\u00e9s A Mississippi foly\u00f3t, amelyet a &#8220;Vizek atyj\u00e1nak&#8221; is neveznek, gazdag \u00e9s \u00f6sszetett t\u00f6rt\u00e9nelem jellemzi, amely t\u00f6bb milli\u00f3 \u00e9vre ny\u00falik&hellip;<\/p>\n","protected":false},"author":6,"featured_media":23371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[212],"tags":[342,572,207,283,63,3701,27,3948],"class_list":["post-14908","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-earth-science","tag-life-science","tag-earth-science","tag-geology","tag-environment","tag-culture","tag-mississippi-river","tag-history","tag-waterways"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/14908","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/comments?post=14908"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/14908\/revisions"}],"predecessor-version":[{"id":14909,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/posts\/14908\/revisions\/14909"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media\/23371"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/media?parent=14908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/categories?post=14908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/hu\/wp-json\/wp\/v2\/tags?post=14908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}