{"id":7751,"date":"2017-10-31T00:14:40","date_gmt":"2017-10-30T17:14:40","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7751"},"modified":"2017-12-04T00:16:55","modified_gmt":"2017-12-03T17:16:55","slug":"carbon-dioxide-trong-khi-quyen-tang-ky-luc","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/carbon-dioxide-trong-khi-quyen-tang-ky-luc\/","title":{"rendered":"Carbon dioxide trong kh\u00ed quy\u1ec3n t\u0103ng k\u1ef7 l\u1ee5c"},"content":{"rendered":"<p align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/khoahocvacongnghevietnam.com.vn\/images\/stories\/thang-10-2017\/3110-co2.jpg\" alt=\"alt\" width=\"404\" height=\"242\" \/><\/p>\n<p>N\u1ed3ng \u0111\u1ed9 carbon dioxide (CO<sub>2<\/sub>) trong kh\u00ed quy\u1ec3n t\u0103ng nhanh v\u1edbi t\u1ed1c \u0111\u1ed9 k\u1ef7 l\u1ee5c n\u0103m ngo\u00e1i, l\u00ean \u0111\u1ebfn m\u1ee9c ch\u01b0a t\u1eebng th\u1ea5y trong h\u01a1n 3 tri\u1ec7u n\u0103m qua, g\u00e2y nhi\u1ec1u lo ng\u1ea1i cho c\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c qu\u1ed1c gia xem x\u00e9t gi\u1ea3m ph\u00e1t th\u1ea3i m\u1ea1nh h\u01a1n trong c\u00e1c cu\u1ed9c \u0111\u00e0m ph\u00e1n kh\u00ed h\u1eadu s\u1eafp t\u1edbi t\u1ea1i Bonn.<\/p>\n<p>Theo b\u00e1o c\u00e1o h\u1eb1ng n\u0103m &#8220;The Greenhouse Gas Bulletin&#8221; c\u1ee7a T\u1ed5 ch\u1ee9c Kh\u00ed t\u01b0\u1ee3ng Th\u1ebf gi\u1edbi (WMO), C\u01a1 quan th\u1eddi ti\u1ebft Li\u00ean hi\u1ec7p qu\u1ed1c, n\u1ed3ng \u0111\u1ed9 CO<sub>2<\/sub>trung b\u00ecnh tr\u00ean to\u00e0n c\u1ea7u \u0111\u00e3 t\u0103ng \u0111\u1ebfn 403,3 ph\u1ea7n tri\u1ec7u (ppm) trong n\u0103m 2016, t\u0103ng t\u1eeb 400 ppm c\u1ee7a n\u0103m 2015, do s\u1ef1 k\u1ebft h\u1ee3p c\u00e1c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a con ng\u01b0\u1eddi v\u00e0 hi\u1ec7n t\u01b0\u1ee3ng El Nino m\u1ea1nh.<\/p>\n<p>N\u0103m qua, l\u01b0\u1ee3ng kh\u00ed th\u1ea3i gi\u1ea3m nh\u01b0ng n\u1ed3ng \u0111\u1ed9 CO<sub>2\u00a0<\/sub>v\u1eabn gia t\u0103ng v\u00ec hi\u1ec7n t\u01b0\u1ee3ng El Nino \u0111\u00e3 l\u00e0m t\u0103ng h\u1ea1n h\u00e1n v\u00e0 l\u00e0m suy y\u1ebfu kh\u1ea3 n\u0103ng c\u1ee7a th\u1ef1c v\u1eadt h\u1ea5p th\u1ee5 CO<sub>2<\/sub>. Khi tr\u00e1i \u0111\u1ea5t \u1ea5m l\u00ean, El Ninos c\u00e0ng x\u1ea3y ra th\u01b0\u1eddng xuy\u00ean h\u01a1n.<\/p>\n<p>M\u1ee9c t\u0103ng CO<sub>2<\/sub>\u00a03,3 ppm c\u1ee7a n\u0103m 2016 cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi m\u1ee9c t\u0103ng 2,3 ppm trong n\u0103m tr\u01b0\u1edbc \u0111\u00f3 v\u00e0 so v\u1edbi m\u1ee9c t\u0103ng trung b\u00ecnh h\u1eb1ng n\u0103m 2,08 ppm trong th\u1eadp ni\u00ean qua. M\u1ee9c t\u0103ng n\u00e0y c\u0169ng cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ee9c t\u0103ng 2,7 ppm trong n\u0103m g\u1ea7n nh\u1ea5t c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng El Nino m\u1ea1nh tr\u01b0\u1edbc \u0111\u00f3 l\u00e0 n\u0103m 1998.<\/p>\n<p>Nghi\u00ean c\u1ee9u c\u1ee7a WMO s\u1eed d\u1ee5ng c\u00e1c t\u00e0u bi\u1ec3n, m\u00e1y bay v\u00e0 tr\u1ea1m tr\u00ean \u0111\u1ea5t li\u1ec1n \u0111\u1ec3 theo d\u00f5i c\u00e1c xu h\u01b0\u1edbng ph\u00e1t th\u1ea3i t\u1eeb n\u0103m 1750, cho th\u1ea5y CO<sub>2<\/sub>\u00a0trong kh\u00ed quy\u1ec3n \u0111ang t\u0103ng nhanh g\u1ea5p 100 l\u1ea7n so v\u1edbi cu\u1ed1i k\u1ef3 b\u0103ng h\u00e0 cu\u1ed1i c\u00f9ng do t\u0103ng d\u00e2n s\u1ed1, ph\u00e1 r\u1eebng v\u00e0 c\u00f4ng nghi\u1ec7p h\u00f3a.<\/p>\n<p>L\u1ea7n g\u1ea7n nh\u1ea5t tr\u00e1i \u0111\u1ea5t c\u00f3 n\u1ed3ng \u0111\u1ed9 CO<sub>2<\/sub>\u00a0t\u01b0\u01a1ng t\u1ef1 l\u00e0 trong k\u1ef3 Pliocene (t\u1eeb 3 \u0111\u1ebfn 5 tri\u1ec7u n\u0103m tr\u01b0\u1edbc), khi m\u1ef1c n\u01b0\u1edbc bi\u1ec3n cao h\u01a1n 20 m so v\u1edbi hi\u1ec7n nay.<\/p>\n<p>T\u1ed5ng Gi\u00e1m \u0111\u1ed1c WMO Petteri Taalas cho bi\u1ebft, n\u1ebfu kh\u00f4ng c\u1eaft gi\u1ea3m nhanh kh\u00ed CO<sub>2<\/sub>\u00a0v\u00e0 c\u00e1c kh\u00ed th\u1ea3i nh\u00e0 k\u00ednh kh\u00e1c, ch\u00fang ta s\u1ebd ph\u1ea3i \u0111\u1ed1i m\u1eb7t s\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 nguy hi\u1ec3m v\u00e0o cu\u1ed1i th\u1ebf k\u1ef7 n\u00e0y, cao h\u01a1n nhi\u1ec1u so v\u1edbi m\u1ee5c ti\u00eau ch\u1ec9 t\u0103ng 1,5 \u0111\u1ebfn 2 \u0111\u1ed9 C c\u1ee7a Hi\u1ec7p \u0111\u1ecbnh Kh\u00ed h\u1eadu Paris.<\/p>\n<p>C\u00e1c nh\u00e0 khoa h\u1ecdc ng\u00e0y c\u00e0ng lo ng\u1ea1i v\u1ec1 kh\u1ea3 n\u0103ng h\u1ea5p th\u1ee5 CO<sub>2\u00a0<\/sub>trong t\u1ef1 nhi\u00ean \u0111ang suy y\u1ebfu. C\u00e1c nghi\u00ean c\u1ee9u g\u1ea7n \u0111\u00e2y cho th\u1ea5y, nhi\u1ec1u v\u00f9ng r\u1eebng b\u1ecb khai th\u00e1c v\u00e0 suy tho\u00e1i nhanh \u0111\u1ebfn m\u1ee9c ch\u00fang \u0111ang th\u1ea3i ra CO<sub>2<\/sub>\u00a0nhi\u1ec1u h\u01a1n h\u1ea5p th\u1ee5.<\/p>\n<p>WMO d\u1ef1 b\u00e1o n\u0103m 2017 s\u1ebd ph\u00e1 k\u1ef7 l\u1ee5c v\u1ec1 n\u1ed3ng \u0111\u1ed9 CO<sub>2<\/sub>\u00a0v\u00e0 methane (CH<sub>4<\/sub>), nh\u01b0ng t\u1ed1c \u0111\u1ed9 gia t\u0103ng kh\u00f4ng nhanh v\u00ec n\u0103m nay kh\u00f4ng c\u00f3 hi\u1ec7u \u1ee9ng El Nino.<\/p>\n<p align=\"right\"><em>(SGGPO)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>N\u1ed3ng \u0111\u1ed9 carbon dioxide (CO2) trong kh\u00ed quy\u1ec3n t\u0103ng nhanh v\u1edbi t\u1ed1c \u0111\u1ed9 k\u1ef7 l\u1ee5c n\u0103m ngo\u00e1i, l\u00ean \u0111\u1ebfn m\u1ee9c ch\u01b0a t\u1eebng th\u1ea5y trong h\u01a1n 3 tri\u1ec7u n\u0103m qua, g\u00e2y nhi\u1ec1u lo ng\u1ea1i cho c\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 th\u00fac \u0111\u1ea9y c\u00e1c qu\u1ed1c gia xem x\u00e9t gi\u1ea3m ph\u00e1t th\u1ea3i m\u1ea1nh h\u01a1n trong c\u00e1c cu\u1ed9c \u0111\u00e0m [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47],"tags":[],"class_list":["post-7751","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7751","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\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/comments?post=7751"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7751\/revisions"}],"predecessor-version":[{"id":7752,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7751\/revisions\/7752"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}