{"id":7800,"date":"2017-11-03T00:51:18","date_gmt":"2017-11-02T17:51:18","guid":{"rendered":"http:\/\/ttud.com.vn\/?p=7800"},"modified":"2017-12-04T00:51:43","modified_gmt":"2017-12-03T17:51:43","slug":"lo-thung-tang-ozone-thu-hep-xuong-muc-thap-nhat-ke-tu-nam-1988","status":"publish","type":"post","link":"https:\/\/casta.ttud.com.vn\/index.php\/lo-thung-tang-ozone-thu-hep-xuong-muc-thap-nhat-ke-tu-nam-1988\/","title":{"rendered":"L\u1ed7 th\u1ee7ng t\u1ea7ng ozone thu h\u1eb9p xu\u1ed1ng m\u1ee9c th\u1ea5p nh\u1ea5t k\u1ec3 t\u1eeb n\u0103m 1988"},"content":{"rendered":"

\"alt\"<\/p>\n

Theo NASA, l\u1ed7 th\u1ee7ng kh\u1ed5ng l\u1ed3 trong t\u1ea7ng ozone b\u1ea3o v\u1ec7 Tr\u00e1i \u0111\u1ea5t \u0111\u1ea1t m\u1ee9c t\u1ed1i \u0111a v\u00e0o th\u00e1ng 9 n\u0103m nay v\u00e0 r\u1ed9ng 7,6 tri\u1ec7u d\u1eb7m vu\u00f4ng (19,6 tri\u1ec7u km2<\/sup>). K\u00edch th\u01b0\u1edbc l\u1ed7 n\u00e0y thu h\u1eb9p l\u1ea1i k\u1ec3 t\u1eeb gi\u1eefa th\u00e1ng ch\u00edn.<\/p>\n

L\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn nh\u1ea5t n\u0103m nay r\u1ed9ng h\u01a1n hai l\u1ea7n di\u1ec7n t\u00edch Hoa K\u1ef3, nh\u01b0ng n\u00f3 nh\u1ecf h\u01a1n n\u0103m ngo\u00e1i 1,3 tri\u1ec7u d\u1eb7m vu\u00f4ng v\u00e0 nh\u1ecf h\u01a1n 3,3 tri\u1ec7u d\u1eb7m vu\u00f4ng so v\u1edbi 2015.<\/p>\n

Paul Newman, Gi\u00e1m \u0111\u1ed1c Khoa h\u1ecdc Tr\u00e1i \u0111\u1ea5t thu\u1ed9c Trung t\u00e2m Bay Kh\u00f4ng gian Goddard c\u1ee7a NASA, cho bi\u1ebft c\u00e1c \u0111i\u1ec1u ki\u1ec7n b\u00e3o t\u1ed1 ph\u00eda tr\u00ean t\u1ea7ng kh\u00ed quy\u1ec3n l\u00e0m n\u00f3ng kh\u00f4ng kh\u00ed v\u00e0 gi\u1eef c\u00e1c nguy\u00ean t\u1eed clo v\u00e0 brom kh\u00f4ng ph\u00e1 h\u1ee7y ozone. \u00d4ng cho bi\u1ebft c\u00e1c nh\u00e0 khoa h\u1ecdc ch\u01b0a t\u00ecm ra l\u00fd do t\u1ea1i sao m\u1ed9t s\u1ed1 n\u0103m nhi\u1ec1u b\u00e3o h\u01a1n – v\u00e0 c\u00f3 l\u1ed7 th\u1ee7ng t\u1ea7ng ozone nh\u1ecf h\u01a1n – so v\u1edbi c\u00e1c n\u0103m kh\u00e1c.<\/p>\n

Newman cho bi\u1ebft vi\u1ec7c gi\u1ea3m k\u00edch th\u01b0\u1edbc trong n\u0103m nay ch\u1ee7 y\u1ebfu l\u00e0 do t\u1ef1 nhi\u00ean nh\u01b0ng \u0111ang c\u00f3 xu h\u01b0\u1edbng c\u1ea3i thi\u1ec7n \u1ed5n \u0111\u1ecbnh nh\u1ecf h\u01a1n. Nguy\u00ean nh\u00e2n c\u00f3 th\u1ec3 l\u00e0 t\u1eeb vi\u1ec7c c\u1ea5m c\u00e1c h\u00f3a ch\u1ea5t ph\u00e1 h\u1ee7y t\u1ea7ng ozone trong Hi\u1ec7p \u0111\u1ecbnh qu\u1ed1c t\u1ebf n\u0103m 1987. L\u1ed7 th\u1ee7ng ozone ch\u1ea1m m\u1ee9c cao nh\u1ea5t trong n\u0103m 2000 \u0111\u1ea1t 11,5 tri\u1ec7u d\u1eb7m vu\u00f4ng (29,86 tri\u1ec7u km vu\u00f4ng).<\/p>\n

Ozone l\u00e0 m\u1ed9t s\u1ef1 k\u1ebft h\u1ee3p kh\u00f4ng m\u00e0u c\u1ee7a ba nguy\u00ean t\u1eed oxy. \u1ede \u0111\u1ed9 cao kho\u1ea3ng 7-25 d\u1eb7m (11-40 km) t\u1eeb Tr\u00e1i \u0111\u1ea5t, ozone b\u1ea3o v\u1ec7 tr\u00e1i \u0111\u1ea5t kh\u1ecfi tia c\u1ef1c t\u00edm g\u00e2y ra ung th\u01b0 da, thi\u1ec7t h\u1ea1i c\u00e2y tr\u1ed3ng v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c.<\/p>\n

C\u00e1c nh\u00e0 khoa h\u1ecdc \u1edf Li\u00ean H\u1ee3p Qu\u1ed1c c\u00e1ch \u0111\u00e2y v\u00e0i n\u0103m x\u00e1c \u0111\u1ecbnh r\u1eb1ng n\u1ebfu kh\u00f4ng c\u00f3 Hi\u1ec7p \u01b0\u1edbc n\u0103m 1987, th\u00ec \u0111\u1ebfn n\u0103m 2030, c\u00f3 th\u1ec3 s\u1ebd c\u00f3 th\u00eam 2 tri\u1ec7u ca ung th\u01b0 da. Nh\u01b0ng nh\u00ecn chung t\u1ea7ng ozone \u0111ang b\u1eaft \u0111\u1ea7u h\u1ed3i ph\u1ee5c do vi\u1ec7c lo\u1ea1i b\u1ecf c\u00e1c h\u00f3a ch\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong ch\u1ea5t l\u00e0m l\u1ea1nh v\u00e0 c\u00e1c b\u00ecnh x\u1ecbt.<\/p>\n

(D\u00e2n tr\u00ed)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Theo NASA, l\u1ed7 th\u1ee7ng kh\u1ed5ng l\u1ed3 trong t\u1ea7ng ozone b\u1ea3o v\u1ec7 Tr\u00e1i \u0111\u1ea5t \u0111\u1ea1t m\u1ee9c t\u1ed1i \u0111a v\u00e0o th\u00e1ng 9 n\u0103m nay v\u00e0 r\u1ed9ng 7,6 tri\u1ec7u d\u1eb7m vu\u00f4ng (19,6 tri\u1ec7u km2). K\u00edch th\u01b0\u1edbc l\u1ed7 n\u00e0y thu h\u1eb9p l\u1ea1i k\u1ec3 t\u1eeb gi\u1eefa th\u00e1ng ch\u00edn. L\u1ed7 k\u00edch th\u01b0\u1edbc l\u1edbn nh\u1ea5t n\u0103m nay r\u1ed9ng h\u01a1n hai l\u1ea7n di\u1ec7n […]<\/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-7800","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\/7800","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=7800"}],"version-history":[{"count":1,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7800\/revisions"}],"predecessor-version":[{"id":7801,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/posts\/7800\/revisions\/7801"}],"wp:attachment":[{"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/media?parent=7800"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/categories?post=7800"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/casta.ttud.com.vn\/index.php\/wp-json\/wp\/v2\/tags?post=7800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}