{"id":13279,"date":"2021-09-11T21:05:16","date_gmt":"2021-09-11T21:05:16","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13279"},"modified":"2021-09-11T21:05:16","modified_gmt":"2021-09-11T21:05:16","slug":"delaware-sized-iceberg-breaks-off-antarctica-climate-change-concerns","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/earth-sciences\/delaware-sized-iceberg-breaks-off-antarctica-climate-change-concerns\/","title":{"rendered":"T\u1ea3ng b\u0103ng tr\u00f4i kh\u1ed5ng l\u1ed3 t\u00e1ch kh\u1ecfi Nam C\u1ef1c, l\u00e0m d\u1ea5y l\u00ean lo ng\u1ea1i v\u1ec1 m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng"},"content":{"rendered":"<h2 class=\"wp-block-heading\">T\u1ea3ng b\u0103ng tr\u00f4i c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng ti\u1ec3u bang Delaware t\u00e1ch kh\u1ecfi Nam C\u1ef1c<\/h2>\n\n<h2 class=\"wp-block-heading\">B\u1ed1i c\u1ea3nh<\/h2>\n\n<p>Th\u1ec1m b\u0103ng Larsen C, n\u1eb1m tr\u00ean b\u1edd bi\u1ec3n ph\u00eda \u0111\u00f4ng c\u1ee7a B\u00e1n \u0111\u1ea3o Nam C\u1ef1c, \u0111\u00e3 li\u00ean t\u1ee5c ph\u1ea3i h\u1ee9ng ch\u1ecbu m\u1ed9t v\u1ebft n\u1ee9t ng\u00e0y c\u00e0ng r\u1ed9ng ra trong nhi\u1ec1u n\u0103m. C\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 theo d\u00f5i qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a v\u1ebft n\u1ee9t n\u00e0y k\u1ec3 t\u1eeb n\u0103m 2014, ti\u00ean li\u1ec7u r\u1eb1ng cu\u1ed1i c\u00f9ng m\u1ed9t t\u1ea3ng b\u0103ng tr\u00f4i kh\u1ed5ng l\u1ed3 s\u1ebd t\u00e1ch ra.<\/p>\n\n<h2 class=\"wp-block-heading\">S\u1ef1 ki\u1ec7n t\u00e1ch b\u0103ng<\/h2>\n\n<p>Ng\u00e0y 31 th\u00e1ng 1 n\u0103m 2023, c\u00e1c nh\u00e0 khoa h\u1ecdc x\u00e1c nh\u1eadn r\u1eb1ng m\u1ed9t t\u1ea3ng b\u0103ng tr\u00f4i c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng ti\u1ec3u bang Delaware \u0111\u00e3 t\u00e1ch ra kh\u1ecfi th\u1ec1m b\u0103ng Larsen C. V\u1edbi tr\u1ecdng l\u01b0\u1ee3ng h\u01a1n m\u1ed9t ngh\u00ecn t\u1ef7 t\u1ea5n, \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng t\u1ea3ng b\u0103ng tr\u00f4i l\u1edbn nh\u1ea5t t\u1eebng \u0111\u01b0\u1ee3c ghi nh\u1eadn.<\/p>\n\n<p>Adrian Luckman, nh\u00e0 b\u0103ng h\u00e0 h\u1ecdc t\u1ea1i \u0110\u1ea1i h\u1ecdc Swansea, cho bi\u1ebft: &#8220;Ch\u00fang t\u00f4i \u0111\u00e3 d\u1ef1 \u0111o\u00e1n s\u1ef1 ki\u1ec7n n\u00e0y trong nhi\u1ec1u th\u00e1ng v\u00e0 r\u1ea5t ng\u1ea1c nhi\u00ean v\u00ec th\u1eddi gian \u0111\u1ec3 v\u1ebft n\u1ee9t xuy\u00ean qua v\u00e0i km b\u0103ng cu\u1ed1i c\u00f9ng l\u1ea1i l\u00e2u \u0111\u1ebfn v\u1eady&#8221;.<\/p>\n\n<h2 class=\"wp-block-heading\">\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a t\u1ea3ng b\u0103ng tr\u00f4i<\/h2>\n\n<p>T\u1ea3ng b\u0103ng tr\u00f4i c\u00f3 di\u1ec7n t\u00edch kho\u1ea3ng 2.300 d\u1eb7m vu\u00f4ng v\u00e0 d\u00e0i kho\u1ea3ng 120 d\u1eb7m. \u0110\u00e2y l\u00e0 ph\u1ea7n ch\u00ednh th\u1ee9 ba c\u1ee7a th\u1ec1m b\u0103ng Larsen s\u1ee5p \u0111\u1ed5 trong nh\u1eefng th\u1eadp k\u1ef7 g\u1ea7n \u0111\u00e2y. Ph\u1ea7n \u0111\u1ea7u ti\u00ean, Larsen A, t\u00e1ch ra v\u00e0o n\u0103m 1995, ti\u1ebfp theo l\u00e0 Larsen B v\u00e0o n\u0103m 2002.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn m\u1ef1c n\u01b0\u1edbc bi\u1ec3n<\/h2>\n\n<p>M\u1eb7c d\u00f9 s\u1ef1 t\u00e1ch ra c\u1ee7a t\u1ea3ng b\u0103ng tr\u00f4i s\u1ebd kh\u00f4ng tr\u1ef1c ti\u1ebfp l\u00e0m m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng cao v\u00ec n\u00f3 v\u1ed1n \u0111\u00e3 n\u1ed5i tr\u00ean m\u1eb7t n\u01b0\u1edbc, nh\u01b0ng n\u00f3 c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 gi\u00e1n ti\u1ebfp. S\u1ef1 s\u1ee5p \u0111\u1ed5 c\u1ee7a th\u1ec1m b\u0103ng c\u00f3 th\u1ec3 khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb v\u1ee1 v\u1ee5n h\u01a1n n\u1eefa, c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3i ph\u00f3ng th\u00eam b\u0103ng v\u00e0o \u0111\u1ea1i d\u01b0\u01a1ng v\u00e0 g\u00f3p ph\u1ea7n l\u00e0m m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng cao.<\/p>\n\n<h2 class=\"wp-block-heading\">Nguy\u00ean nh\u00e2n t\u00e1ch b\u0103ng<\/h2>\n\n<p>Nguy\u00ean nh\u00e2n ch\u00ednh x\u00e1c khi\u1ebfn th\u1ec1m b\u0103ng Larsen C t\u00e1ch ra v\u1eabn ch\u01b0a r\u00f5 r\u00e0ng. M\u1ed9t s\u1ed1 nh\u00e0 khoa h\u1ecdc tin r\u1eb1ng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu do con ng\u01b0\u1eddi g\u00e2y ra \u0111\u00e3 \u0111\u00f3ng m\u1ed9t vai tr\u00f2 nh\u1ea5t \u0111\u1ecbnh, trong khi nh\u1eefng ng\u01b0\u1eddi kh\u00e1c cho r\u1eb1ng nguy\u00ean nh\u00e2n ch\u00ednh l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 t\u1ef1 nhi\u00ean.<\/p>\n\n<p>Anna Hogg, m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u v\u1ec1 Nam C\u1ef1c, cho bi\u1ebft: &#8220;V\u00e0o th\u1eddi \u0111i\u1ec3m n\u00e0y, c\u00f2n qu\u00e1 s\u1edbm \u0111\u1ec3 n\u00f3i r\u1eb1ng nguy\u00ean nh\u00e2n l\u00e0 do s\u1ef1 n\u00f3ng l\u00ean to\u00e0n c\u1ea7u. Tuy nhi\u00ean, r\u00f5 r\u00e0ng l\u00e0 B\u00e1n \u0111\u1ea3o Nam C\u1ef1c \u0111ang tr\u1ea3i qua qu\u00e1 tr\u00ecnh n\u00f3ng l\u00ean nhanh ch\u00f3ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n v\u00e0o s\u1ef1 m\u1ea5t \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u00e1c th\u1ec1m b\u0103ng&#8221;.<\/p>\n\n<h2 class=\"wp-block-heading\">\u00dd ngh\u0129a \u0111\u1ed1i v\u1edbi h\u1ec7 sinh th\u00e1i Nam C\u1ef1c<\/h2>\n\n<p>S\u1ef1 t\u00e1ch ra c\u1ee7a th\u1ec1m b\u0103ng Larsen C c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng h\u1eadu qu\u1ea3 \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi h\u1ec7 sinh th\u00e1i Nam C\u1ef1c. Th\u1ec1m b\u0103ng l\u00e0 n\u01a1i sinh s\u1ed1ng c\u1ee7a nhi\u1ec1u sinh v\u1eadt bi\u1ec3n, bao g\u1ed3m chim c\u00e1nh c\u1ee5t, h\u1ea3i c\u1ea9u v\u00e0 c\u00e1 voi. S\u1ef1 s\u1ee5p \u0111\u1ed5 c\u1ee7a n\u00f3 c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 c\u00e1c h\u1ec7 sinh th\u00e1i n\u00e0y v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111\u1ebfn suy gi\u1ea3m qu\u1ea7n th\u1ec3.<\/p>\n\n<h2 class=\"wp-block-heading\">Tri\u1ec3n v\u1ecdng t\u01b0\u01a1ng lai<\/h2>\n\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc lo ng\u1ea1i r\u1eb1ng s\u1ef1 t\u00e1ch ra c\u1ee7a th\u1ec1m b\u0103ng Larsen C c\u00f3 th\u1ec3 l\u00e0 d\u1ea5u hi\u1ec7u c\u1ee7a t\u00ecnh tr\u1ea1ng m\u1ea5t b\u0103ng tr\u00ean di\u1ec7n r\u1ed9ng h\u01a1n \u1edf Nam C\u1ef1c. N\u1ebfu c\u00e1c th\u1ec1m b\u0103ng ti\u1ebfp t\u1ee5c s\u1ee5p \u0111\u1ed5, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng cao \u0111\u00e1ng k\u1ec3 v\u00e0 c\u00e1c t\u00e1c \u0111\u1ed9ng li\u00ean quan \u0111\u1ebfn kh\u00ed h\u1eadu kh\u00e1c.<\/p>\n\n<h2 class=\"wp-block-heading\">Th\u00f4ng tin b\u1ed5 sung<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Th\u1ec1m b\u0103ng Larsen C l\u00e0 m\u1ed9t trong nh\u1eefng th\u1ec1m b\u0103ng l\u1edbn nh\u1ea5t v\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t \u1edf Nam C\u1ef1c.<\/li>\n<li>V\u1ebft n\u1ee9t d\u1eabn \u0111\u1ebfn s\u1ef1 t\u00e1ch ra c\u1ee7a t\u1ea3ng b\u0103ng tr\u00f4i \u0111\u00e3 m\u1edf r\u1ed9ng trong h\u01a1n m\u1ed9t th\u1eadp k\u1ef7.<\/li>\n<li>T\u1ea3ng b\u0103ng tr\u00f4i d\u1ef1 ki\u1ebfn s\u1ebd tr\u00f4i v\u1ec1 ph\u00eda b\u1eafc v\u00e0 cu\u1ed1i c\u00f9ng s\u1ebd tan ch\u1ea3y \u1edf v\u00f9ng n\u01b0\u1edbc \u1ea5m h\u01a1n.<\/li>\n<li>C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111ang theo d\u00f5i th\u1ec1m b\u0103ng Larsen C v\u00e0 c\u00e1c th\u1ec1m b\u0103ng Nam C\u1ef1c kh\u00e1c \u0111\u1ec3 t\u00ecm ki\u1ebfm d\u1ea5u hi\u1ec7u s\u1ee5p \u0111\u1ed5 ti\u1ebfp theo.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>T\u1ea3ng b\u0103ng tr\u00f4i c\u00f3 k\u00edch th\u01b0\u1edbc b\u1eb1ng ti\u1ec3u bang Delaware t\u00e1ch kh\u1ecfi Nam C\u1ef1c B\u1ed1i c\u1ea3nh Th\u1ec1m b\u0103ng Larsen C, n\u1eb1m tr\u00ean b\u1edd bi\u1ec3n ph\u00eda \u0111\u00f4ng c\u1ee7a B\u00e1n \u0111\u1ea3o Nam&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[728],"tags":[34,4317,17901,749,7595,17900],"class_list":["post-13279","post","type-post","status-publish","format-standard","hentry","category-earth-sciences","tag-climate-change","tag-polar-science","tag-larsen-c","tag-sea-level-rise","tag-iceberg","tag-antarctic-ice-shelf"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13279","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=13279"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13279\/revisions"}],"predecessor-version":[{"id":13280,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13279\/revisions\/13280"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=13279"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=13279"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=13279"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}