{"id":6007,"date":"2017-08-09T19:17:28","date_gmt":"2017-08-09T12:17:28","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=6007"},"modified":"2017-10-03T09:56:02","modified_gmt":"2017-10-03T02:56:02","slug":"nasa-phat-trien-mo-hinh-du-bao-bang-bien-o-bac-cuc","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/nasa-phat-trien-mo-hinh-du-bao-bang-bien-o-bac-cuc\/","title":{"rendered":"NASA ph\u00e1t tri\u1ec3n m\u00f4 h\u00ecnh d\u1ef1 b\u00e1o b\u0103ng bi\u1ec3n \u1edf B\u1eafc C\u1ef1c"},"content":{"rendered":"<p><strong>Tr\u00e1i \u0111\u1ea5t n\u00f3ng l\u00ean l\u00e0 nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi s\u1ef1 suy gi\u1ea3m di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n \u1edf B\u1eafc C\u1ef1c trong v\u00e0i th\u1eadp k\u1ef7 qua. Tuy nhi\u00ean, m\u1ed7i n\u0103m khi b\u0103ng bi\u1ec3n b\u1eaft \u0111\u1ea7u tan ch\u1ea3y v\u00e0o m\u00f9a xu\u00e2n, c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn c\u00f2n kh\u00e1 v\u1ea5t v\u1ea3 \u0111\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c l\u01b0\u1ee3ng b\u0103ng bi\u1ec3n \u0111\u00e3 bi\u1ebfn m\u1ea5t trong m\u00f9a tan ch\u1ea3y. Hi\u1ec7n nay, m\u1ed9t m\u00f4 h\u00ecnh d\u1ef1 b\u00e1o m\u1edbi c\u1ee7a NASA d\u1ef1a v\u00e0o c\u00e1c ph\u00e9p \u0111o v\u1ec7 tinh \u0111\u00e3 cho ph\u00e9p c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u01b0a ra nh\u1eefng d\u1ef1 b\u00e1o ch\u00ednh x\u00e1c h\u01a1n.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6432\" src=\"http:\/\/ttud.com.vn\/wp-content\/uploads\/2017\/08\/09082017145121-baotranbangtna.jpg\" alt=\"\" width=\"500\" height=\"336\" srcset=\"https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/08\/09082017145121-baotranbangtna.jpg 500w, https:\/\/casta.ttud.com.vn\/wp-content\/uploads\/2017\/08\/09082017145121-baotranbangtna-300x202.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>T\u00e0n t\u00edch c\u1ee7a nh\u1eefng t\u1ea3ng b\u0103ng d\u00e0y c\u00f2n s\u00f3t l\u1ea1i qua m\u00f9a h\u00e8 gi\u1eefa nh\u1eefng t\u1ea3ng b\u0103ng m\u1ecfng m\u1edbi h\u00ecnh th\u00e0nh. B\u1ee9c \u1ea3nh \u0111\u01b0\u1ee3c ch\u1ee5p \u1edf bi\u1ec3n Beaufort ng\u00e0y 20\/9\/2016, khi k\u1ebft th\u00fac m\u00f9a b\u0103ng tan \u1edf B\u1eafc C\u1ef1c<\/p>\n<p>D\u1ef1 b\u00e1o di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n tan ch\u1ea3y t\u1eeb m\u00f9a xu\u00e2n sang m\u00f9a thu l\u00e0 th\u00f4ng tin h\u1eefu \u00edch cho c\u00e1c c\u00f4ng ty v\u1eadn t\u1ea3i v\u00e0 c\u1ed9ng \u0111\u1ed3ng c\u01b0 d\u00e2n ph\u1ee5 thu\u1ed9c v\u00e0o b\u0103ng bi\u1ec3n. Nhi\u1ec1u lo\u00e0i \u0111\u1ed9ng th\u1ef1c v\u1eadt ch\u1ecbu \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp khi di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n \u1edf B\u1eafc C\u1ef1c thay \u0111\u1ed5i. N\u1ebfu bi\u1ebft tr\u01b0\u1edbc th\u1eddi \u0111i\u1ec3m b\u0103ng bi\u1ec3n tan ch\u1ea3y trong n\u0103m, ng\u01b0\u1eddi ta c\u00f3 th\u1ec3 n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c \u0111\u1eb7c \u0111i\u1ec3m c\u1ee7a c\u00e1c lo\u00e0i th\u00fa s\u0103n. \u0110i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft hay thay \u0111\u1ed5i v\u00e0o m\u00f9a xu\u00e2n v\u00e0 m\u00f9a h\u00e8 l\u00e0m cho vi\u1ec7c d\u1ef1 b\u00e1o b\u0103ng bi\u1ec3n \u1edf B\u1eafc C\u1ef1c h\u00e0ng n\u0103m l\u00e0 m\u1ed9t vi\u1ec7c l\u00e0m kh\u00f3 kh\u0103n.<\/p>\n<p>V\u1edbi c\u00e1c d\u1eef li\u1ec7u v\u1ec7 tinh, c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 \u0111o \u0111\u01b0\u1ee3c di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n \u1edf B\u1eafc C\u1ef1c t\u1eeb n\u0103m 1979 v\u00e0 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00ednh to\u00e1n xu h\u01b0\u1edbng suy gi\u1ea3m c\u1ee7a b\u0103ng bi\u1ec3n B\u1eafc C\u1ef1c. \u0110\u1ec3 d\u1ef1 b\u00e1o di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n B\u1eafc C\u1ef1c trong nh\u1eefng n\u0103m ti\u1ebfp theo, ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n nh\u1ea5t l\u00e0 gi\u1ea3 \u0111\u1ecbnh s\u1ef1 ti\u1ebfp t\u1ee5c xu h\u01b0\u1edbng suy gi\u1ea3m d\u00e0i h\u1ea1n tr\u00ean. V\u1ea5n \u0111\u1ec1 c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p n\u00e0y l\u00e0 n\u00f3 c\u00f3 th\u1ec3 s\u1ebd b\u1ecf s\u00f3t m\u1ed9t s\u1ed1 gi\u00e1 tr\u1ecb ngo\u1ea1i l\u1ec7 trong n\u0103m khi di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n cao h\u01a1n hay th\u1ea5p h\u01a1n. M\u1ed9t l\u1ef1a ch\u1ecdn kh\u00e1c l\u00e0 ph\u00e2n t\u00edch \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd c\u1ee7a b\u0103ng bi\u1ec3n khi v\u00e0o m\u00f9a tan ch\u1ea3y \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c h\u01a1n.<\/p>\n<p>Alek Petty, m\u1ed9t nh\u00e0 nghi\u00ean c\u1ee9u b\u0103ng bi\u1ec3n \u0111\u1ebfn t\u1eeb Trung t\u00e2m bay kh\u00f4ng gian Goddard, NASA cho bi\u1ebft: \u201cNh\u1eefng g\u00ec ch\u00fang t\u00f4i mu\u1ed1n ch\u1ee9ng minh l\u00e0 li\u1ec7u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00f4ng tin thu th\u1eadp \u0111\u01b0\u1ee3c trong m\u00f9a xu\u00e2n \u0111\u1ec3 \u0111\u01b0a ra d\u1ef1 b\u00e1o v\u1ec1 l\u01b0\u1ee3ng b\u0103ng tan ch\u1ea3y v\u00e0o cu\u1ed1i h\u00e8 hay kh\u00f4ng\u201d<\/p>\n<p>Nghi\u00ean c\u1ee9u s\u1eed d\u1ee5ng c\u00e1c ph\u00e9p \u0111o v\u1ec7 tinh \u0111\u1ed1i v\u1edbi b\u1ec1 m\u1eb7t b\u0103ng bi\u1ec3n v\u00e0 khi ch\u00fang b\u1eaft \u0111\u1ea7u tan ch\u1ea3y. Nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a Petty ch\u1ec9 ra r\u1eb1ng th\u1eddi \u0111i\u1ec3m d\u1ef1 b\u00e1o \u0111\u00e1ng tin c\u1eady nh\u1ea5t l\u00e0 \u0111\u1ea7u m\u00f9a xu\u00e2n, d\u1ef1 b\u00e1o d\u1ef1a v\u00e0o th\u1eddi \u0111i\u1ec3m b\u0103ng bi\u1ec3n b\u1eaft \u0111\u1ea7u tan ch\u1ea3y v\u00e0 di\u1ec7n t\u00edch m\u1eb7t n\u01b0\u1edbc b\u1eaft \u0111\u1ea7u m\u1edf r\u1ed9ng \u1edf B\u1eafc B\u0103ng D\u01b0\u01a1ng. D\u1ef1 b\u00e1o s\u1ebd t\u1eadp trung v\u00e0o c\u00e1c khu v\u1ef1c m\u00e0 tr\u01b0\u1edbc \u0111\u00f3 th\u01b0\u1eddng xuy\u00ean c\u00f3 l\u01b0\u1ee3ng b\u0103ng bi\u1ec3n th\u1ea5p nh\u1ea5t v\u00e0o th\u00e1ng ch\u00edn.<\/p>\n<p>\u0110\u1ec3 ki\u1ec3m tra m\u00f4 h\u00ecnh d\u1ef1 b\u00e1o ch\u00ednh x\u00e1c hay kh\u00f4ng, nh\u00f3m nghi\u00ean c\u1ee9u c\u1ee7a Petty \u0111\u00e3 quay ng\u01b0\u1ee3c th\u1eddi gian v\u00e0 \u0111\u01b0a ra c\u00e1c d\u1ef1 b\u00e1o cho m\u1ed7i n\u0103m theo c\u00e1c d\u1eef li\u1ec7u v\u1ec7 tinh, s\u1eed d\u1ee5ng c\u00e1c d\u1eef li\u1ec7u c\u0169 li\u00ean quan \u0111\u1ebfn th\u00f4ng tin c\u1ee7a b\u0103ng bi\u1ec3n B\u1eafc C\u1ef1c. Sau \u0111\u00f3, h\u1ecd \u0111\u00e1nh gi\u00e1 k\u1ebft qu\u1ea3 v\u00e0 so s\u00e1nh v\u1edbi gi\u00e1 tr\u1ecb th\u1ef1c t\u1ebf c\u1ee7a n\u0103m v\u00e0 so v\u1edbi d\u1ef1 b\u00e1o xu h\u01b0\u1edbng d\u00e0i h\u1ea1n.<\/p>\n<p>Nghi\u00ean c\u1ee9u c\u1ee7a Petty c\u0169ng ch\u1ec9 ra r\u1eb1ng m\u00f4 h\u00ecnh d\u1ef1 b\u00e1o b\u0103ng bi\u1ec3n n\u00e0y kh\u00f4ng ch\u1ec9 s\u1eed d\u1ee5ng cho v\u00f9ng B\u1eafc C\u1ef1c m\u00e0 c\u00f2n c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng cho c\u00e1c v\u00f9ng kh\u00e1c, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u00f9ng bi\u1ec3n Beaufort v\u00e0 Chukchi, B\u1eafc Alaska.<\/p>\n<p style=\"text-align: right;\"><em>Theo Science Daily<\/em><\/p>\n<p style=\"text-align: right;\"><em>Ngu\u1ed3n VAST<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tr\u00e1i \u0111\u1ea5t n\u00f3ng l\u00ean l\u00e0 nguy\u00ean nh\u00e2n d\u1eabn t\u1edbi s\u1ef1 suy gi\u1ea3m di\u1ec7n t\u00edch b\u0103ng bi\u1ec3n \u1edf B\u1eafc C\u1ef1c trong v\u00e0i th\u1eadp k\u1ef7 qua. Tuy nhi\u00ean, m\u1ed7i n\u0103m khi b\u0103ng bi\u1ec3n b\u1eaft \u0111\u1ea7u tan ch\u1ea3y v\u00e0o m\u00f9a xu\u00e2n, c\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn c\u00f2n kh\u00e1 v\u1ea5t v\u1ea3 \u0111\u1ec3 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c l\u01b0\u1ee3ng b\u0103ng bi\u1ec3n [&hellip;]<\/p>\n","protected":false},"author":17,"featured_media":6432,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-6007","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6007","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/users\/17"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=6007"}],"version-history":[{"count":2,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6007\/revisions"}],"predecessor-version":[{"id":6433,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/6007\/revisions\/6433"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media\/6432"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=6007"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=6007"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=6007"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}