{"id":457,"date":"2022-08-22T04:40:57","date_gmt":"2022-08-22T04:40:57","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=457"},"modified":"2022-08-22T04:40:57","modified_gmt":"2022-08-22T04:40:57","slug":"nasa-detects-new-crack-in-greenlands-petermann-glacier","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/climate-science\/nasa-detects-new-crack-in-greenlands-petermann-glacier\/","title":{"rendered":"Khe n\u1ee9t m\u1edbi tr\u00ean B\u0103ng h\u00e0 Petermann b\u00e1o hi\u1ec7u s\u1ef1 tan ch\u1ea3y c\u1ee7a c\u00e1c s\u00f4ng b\u0103ng \u0111ang di\u1ec5n ra nhanh h\u01a1n"},"content":{"rendered":"

NASA Ph\u00e1t Hi\u1ec7n M\u1ed9t Khe N\u1ee9t M\u1edbi tr\u00ean B\u0103ng H\u00e0 Petermann c\u1ee7a Greenland<\/h2>\n\n

Gi\u1ea3i M\u00e3: M\u1ed9t Khe N\u1ee9t M\u1edbi Xu\u1ea5t Hi\u1ec7n<\/h2>\n\n

Tr\u00ean v\u00f9ng b\u0103ng gi\u00e1 r\u1ed9ng l\u1edbn c\u1ee7a Greenland, m\u1ed9t khe n\u1ee9t m\u1edbi \u0111\u00e3 xu\u1ea5t hi\u1ec7n tr\u00ean B\u0103ng h\u00e0 mang t\u00ednh bi\u1ec3u t\u01b0\u1ee3ng Petermann, l\u00e0m d\u1ea5y l\u00ean m\u1ed1i lo ng\u1ea1i trong c\u00e1c nh\u00e0 khoa h\u1ecdc. Khe n\u1ee9t \u0111\u00e1ng b\u00e1o \u0111\u1ed9ng n\u00e0y, \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u ph\u00e1t hi\u1ec7n b\u1eb1ng h\u00ecnh \u1ea3nh v\u1ec7 tinh, \u0111\u00e3 th\u00fac \u0111\u1ea9y NASA ti\u1ebfn h\u00e0nh m\u1ed9t cu\u1ed9c \u0111i\u1ec1u tra tr\u00ean kh\u00f4ng \u0111\u1ec3 x\u00e1c nh\u1eadn s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a n\u00f3 v\u00e0 \u0111\u00e1nh gi\u00e1 nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u1ec1m t\u00e0ng c\u1ee7a n\u00f3.<\/p>\n\n

B\u0103ng H\u00e0 Petermann: M\u1ed9t L\u01b0\u1ee1i B\u0103ng M\u1ecfng Manh<\/h2>\n\n

N\u1eb1m \u1edf ph\u00eda t\u00e2y b\u1eafc Greenland, B\u0103ng h\u00e0 Petermann l\u00e0 m\u1ed9t l\u01b0\u1ee1i b\u0103ng kh\u1ed5ng l\u1ed3 k\u00e9o d\u00e0i xu\u1ed1ng \u0111\u1ea1i d\u01b0\u01a1ng. \u0110\u1ed9 nh\u1ea1y c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi nh\u1eefng thay \u0111\u1ed5i v\u1ec1 nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc xung quanh khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh m\u1ed9t ch\u1ec9 b\u00e1o quan tr\u1ecdng v\u1ec1 s\u1ee9c kh\u1ecfe c\u1ee7a t\u1ea3ng b\u0103ng Greenland. Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, b\u0103ng h\u00e0 \u0111\u00e3 tr\u1ea3i qua c\u00e1c s\u1ef1 ki\u1ec7n t\u00e1ch b\u0103ng \u0111\u00e1ng k\u1ec3, trong \u0111\u00f3 c\u00e1c t\u1ea3ng b\u0103ng l\u1edbn v\u1ee1 ra v\u00e0 h\u00ecnh th\u00e0nh c\u00e1c t\u1ea3ng b\u0103ng tr\u00f4i.<\/p>\n\n

M\u1ed9t D\u1ea5u Hi\u1ec7u \u0110\u00e1ng Lo Ng\u1ea1i: C\u00e1c Khe N\u1ee9t v\u00e0 S\u1ef1 T\u00e1ch B\u0103ng<\/h2>\n\n

Vi\u1ec7c ph\u00e1t hi\u1ec7n ra khe n\u1ee9t m\u1edbi tr\u00ean B\u0103ng h\u00e0 Petermann \u0111\u00e3 l\u00e0m d\u1ea5y l\u00ean m\u1ed1i lo ng\u1ea1i v\u00ec n\u00f3 n\u1eb1m g\u1ea7n m\u1ed9t khe n\u1ee9t hi\u1ec7n c\u00f3 \u1edf ph\u00eda \u0111\u00f4ng c\u1ee7a b\u0103ng h\u00e0. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u lo ng\u1ea1i r\u1eb1ng hai khe n\u1ee9t cu\u1ed1i c\u00f9ng c\u00f3 th\u1ec3 h\u1ee3p nh\u1ea5t, d\u1eabn \u0111\u1ebfn c\u00e1c s\u1ef1 ki\u1ec7n t\u00e1ch b\u0103ng ti\u1ebfp theo v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m m\u1ea5t \u1ed5n \u0111\u1ecbnh b\u0103ng h\u00e0.<\/p>\n\n

Nhi\u1ec7m V\u1ee5 Gi\u00e1m S\u00e1t c\u1ee7a NASA: IceBridge<\/h2>\n\n

\u0110\u1ec3 theo d\u00f5i t\u00ecnh h\u00ecnh v\u00e0 thu th\u1eadp th\u00eam d\u1eef li\u1ec7u, Chi\u1ebfn d\u1ecbch IceBridge c\u1ee7a NASA \u0111\u00e3 ti\u1ebfn h\u00e0nh c\u00e1c cu\u1ed9c kh\u1ea3o s\u00e1t tr\u00ean kh\u00f4ng v\u00e0 theo d\u00f5i v\u1ec7 tinh \u0111\u1ed1i v\u1edbi t\u1ea3ng b\u0103ng Greenland. S\u1eed d\u1ee5ng t\u1ecda \u0111\u1ed9 do nh\u00e0 nghi\u00ean c\u1ee9u ng\u01b0\u1eddi H\u00e0 Lan cung c\u1ea5p, ng\u01b0\u1eddi \u0111\u1ea7u ti\u00ean ph\u00e1t hi\u1ec7n ra khe n\u1ee9t, IceBridge \u0111\u00e3 x\u00e1c nh\u1eadn s\u1ef1 t\u1ed3n t\u1ea1i c\u1ee7a n\u00f3 v\u00e0 cung c\u1ea5p c\u00e1i nh\u00ecn c\u1eadn c\u1ea3nh h\u01a1n v\u1ec1 khe n\u1ee9t \u0111\u00e1ng lo ng\u1ea1i n\u00e0y.<\/p>\n\n

Nguy C\u01a1: M\u1ef1c N\u01b0\u1edbc Bi\u1ec3n D\u00e2ng Cao v\u00e0 Bi\u1ebfn \u0110\u1ed5i Kh\u00ed H\u1eadu<\/h2>\n\n

Nguy c\u01a1 r\u1ea5t l\u1edbn \u0111\u1ed1i v\u1edbi B\u0103ng h\u00e0 Petermann v\u00e0 to\u00e0n b\u1ed9 t\u1ea3ng b\u0103ng Greenland. Vi\u1ec7c m\u1ea5t b\u0103ng th\u00f4ng qua c\u00e1c s\u1ef1 ki\u1ec7n t\u00e1ch b\u0103ng g\u00f3p ph\u1ea7n l\u00e0m m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng cao, g\u00e2y ra m\u1ed1i \u0111e d\u1ecda \u0111\u00e1ng k\u1ec3 \u0111\u1ed1i v\u1edbi c\u00e1c c\u1ed9ng \u0111\u1ed3ng ven bi\u1ec3n tr\u00ean to\u00e0n th\u1ebf gi\u1edbi. Nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t v\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng \u1ea5m l\u00ean do bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111ang l\u00e0m t\u0103ng t\u1ed1c \u0111\u1ed9 tan ch\u1ea3y c\u1ee7a t\u1ea3ng b\u0103ng, d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng t\u00e1ch b\u0103ng nhi\u1ec1u h\u01a1n v\u00e0 m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng nhanh h\u01a1n.<\/p>\n\n

T\u1ea3ng B\u0103ng B\u1ecb \u0110e D\u1ecda: Nh\u1eefng M\u1ea5t M\u00e1t G\u1ea7n \u0110\u00e2y v\u00e0 D\u1ef1 B\u00e1o Trong T\u01b0\u01a1ng Lai<\/h2>\n\n

C\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y ch\u1ec9 ra r\u1eb1ng t\u1ea3ng b\u0103ng Greenland \u0111\u00e3 m\u1ea5t m\u1ed9t l\u01b0\u1ee3ng b\u0103ng kh\u1ed5ng l\u1ed3 trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y. M\u1ed9t \u01b0\u1edbc t\u00ednh cho th\u1ea5y ch\u1ec9 ri\u00eang trong giai \u0111o\u1ea1n 2011 \u0111\u1ebfn 2014, t\u1ea3ng b\u0103ng \u0111\u00e3 m\u1ea5t kho\u1ea3ng 270 gigat\u1ea5n b\u0103ng, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi th\u1ec3 t\u00edch n\u01b0\u1edbc trong kho\u1ea3ng 110 tri\u1ec7u b\u1ec3 b\u01a1i Olympic. C\u00e1c nh\u00e0 khoa h\u1ecdc d\u1ef1 \u0111o\u00e1n r\u1eb1ng khi kh\u00ed h\u1eadu ti\u1ebfp t\u1ee5c thay \u0111\u1ed5i, Greenland s\u1ebd m\u1ea5t b\u0103ng v\u1edbi t\u1ed1c \u0111\u1ed9 th\u1eadm ch\u00ed c\u00f2n nhanh h\u01a1n, c\u00f3 kh\u1ea3 n\u0103ng g\u00e2y ra c\u00e1c s\u1ef1 ki\u1ec7n tan b\u0103ng \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 th\u1ea3m kh\u1ed1c \u0111\u1ed1i v\u1edbi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n.<\/p>\n\n

Gi\u00e1m S\u00e1t v\u00e0 Nghi\u00ean C\u1ee9u: Hi\u1ec3u Bi\u1ebft V\u1ec1 Nh\u1eefng Thay \u0110\u1ed5i c\u1ee7a B\u0103ng<\/h2>\n\n

Nhi\u1ec7m v\u1ee5 IceBridge c\u1ee7a NASA \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c theo d\u00f5i nh\u1eefng thay \u0111\u1ed5i \u0111ang x\u1ea3y ra tr\u00ean t\u1ea3ng b\u0103ng Greenland. B\u1eb1ng c\u00e1ch nghi\u00ean c\u1ee9u chuy\u1ec3n \u0111\u1ed9ng, \u0111\u1ed9 d\u00e0y v\u00e0 c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m b\u1ec1 m\u1eb7t c\u1ee7a b\u0103ng h\u00e0, c\u00e1c nh\u00e0 khoa h\u1ecdc c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c nh\u1eefng hi\u1ec3u bi\u1ebft c\u00f3 gi\u00e1 tr\u1ecb v\u1ec1 c\u00e1c qu\u00e1 tr\u00ecnh g\u00e2y ra m\u1ea5t b\u0103ng v\u00e0 m\u1ef1c n\u01b0\u1edbc bi\u1ec3n d\u00e2ng cao. Nghi\u00ean c\u1ee9u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c th\u00edch \u1ee9ng v\u00e0 gi\u1ea3m thi\u1ec3u nh\u1eb1m gi\u1ea3i quy\u1ebft nh\u1eefng th\u00e1ch th\u1ee9c do bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u1eb7t ra.<\/p>\n\n

Nh\u1eefng C\u00e2u H\u1ecfi Ch\u01b0a Tr\u1ea3 L\u1eddi v\u00e0 T\u01b0\u01a1ng Lai<\/h2>\n\n

M\u1eb7c d\u00f9 vi\u1ec7c ph\u00e1t hi\u1ec7n ra khe n\u1ee9t m\u1edbi tr\u00ean B\u0103ng h\u00e0 Petermann \u0111\u00e3 l\u00e0m d\u1ea5y l\u00ean m\u1ed1i lo ng\u1ea1i, nh\u01b0ng nhi\u1ec1u c\u00e2u h\u1ecfi v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111ang \u0111i\u1ec1u tra nguy\u00ean nh\u00e2n h\u00ecnh th\u00e0nh khe n\u1ee9t v\u00e0 kh\u1ea3 n\u0103ng n\u00f3 k\u1ebft n\u1ed1i v\u1edbi khe n\u1ee9t hi\u1ec7n c\u00f3. Vi\u1ec7c gi\u00e1m s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u li\u00ean t\u1ee5c s\u1ebd r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a t\u00ecnh h\u00ecnh n\u00e0y v\u00e0 nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u1ee7a n\u00f3 \u0111\u1ed1i v\u1edbi s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a t\u1ea3ng b\u0103ng Greenland v\u00e0 m\u1ef1c n\u01b0\u1edbc bi\u1ec3n to\u00e0n c\u1ea7u.<\/p>","protected":false},"excerpt":{"rendered":"

NASA Ph\u00e1t Hi\u1ec7n M\u1ed9t Khe N\u1ee9t M\u1edbi tr\u00ean B\u0103ng H\u00e0 Petermann c\u1ee7a Greenland Gi\u1ea3i M\u00e3: M\u1ed9t Khe N\u1ee9t M\u1edbi Xu\u1ea5t Hi\u1ec7n Tr\u00ean v\u00f9ng b\u0103ng gi\u00e1 r\u1ed9ng l\u1edbn c\u1ee7a Greenland, m\u1ed9t…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[284],"tags":[34,1180,1179,1177,1181,473,749,1178],"class_list":["post-457","post","type-post","status-publish","format-standard","hentry","category-climate-science","tag-climate-change","tag-calving","tag-crack","tag-greenland","tag-icebridge","tag-nasa","tag-sea-level-rise","tag-petermann-glacier"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/457","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=457"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/457\/revisions"}],"predecessor-version":[{"id":458,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/457\/revisions\/458"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=457"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=457"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=457"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}