S\u1ef1 thay \u0111\u1ed5i kh\u00ed h\u1eadu tr\u00ean Tr\u00e1i \u0111\u1ea5t c\u00f3 li\u00ean quan r\u1ea5t m\u1eadt thi\u1ebft t\u1edbi cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi. Th\u00f4ng qua s\u1ef1 quan s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u kh\u00ed h\u1eadu to\u00e0n c\u1ea9u c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra h\u01a1n 100 n\u0103m tr\u1edf l\u1ea1i \u0111\u00e2y, nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n to\u00e0n c\u1ea9u t\u0103ng cao 0,5 \u0111\u1ebfn 0,6 \u0111\u1ed9 C v\u00e0 c\u00f3 xu th\u1ebf ti\u1ebfp t\u1ee5c t\u0103ng. S\u1ef1 ph\u00e1t hi\u1ec7n n\u00e0y g\u00e2y ch\u00fa \u00fd r\u1ed9ng r\u00e3i cho con ng\u01b0\u1eddi. N\u0103m 1989 Ch\u01b0\u01a1ng tr\u00ecnh k\u1ebf ho\u1ea1ch m\u00f4i tr\u01b0\u1eddng Li\u00ean H\u1ee3p Qu\u1ed1c c\u00f2n \u0111\u01b0a ra v\u1ea5n \u0111\u1ec1 \u201cNhi\u1ec7t \u0111\u1ed9 to\u00e0n c\u1ea9u t\u0103ng l\u00ean\u201d li\u1ec7t v\u00e0o ch\u1ee7 \u0111\u1ec1 ch\u00ednh trong ng\u00e0y \u201cM\u00f4i tr\u01b0\u1eddng th\u1ebf gi\u1edbi n\u0103m \u0111\u00f3\u201d.<\/p>\n\n\n\n
T\u1ea1i sao kh\u00ed h\u1eadu to\u00e0n c\u1ea9u l\u1ea1i n\u00f3ng l\u00ean? Nh\u00e2n t\u1ed1 l\u00e0m thay \u0111\u1ed5i kh\u00ed h\u1eadu r\u1ea5t ph\u1ee9c t\u1ea1p, nh\u01b0ng c\u00f3 th\u1ec3 chia l\u00e0m 2 nh\u00e2n t\u1ed1 con ng\u01b0\u1eddi v\u00e0 nh\u00e2n t\u1ed1 t\u1ef1 nhi\u00ean.<\/p>\n\n\n\n
Nh\u00e2n t\u1ed1 t\u1ef1 nhi\u00ean c\u00f3:<\/p>\n\n\n\n
Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a M\u1eb7t tr\u1eddi bao g\u1ed3m: v\u1ebft \u0111en M\u1eb7t tr\u1eddi, tia l\u1eeda M\u1eb7t tr\u1eddi, v\u1ec7t s\u00e1ng. C\u1ee7a d\u1ea3i b\u0103ng h\u00e0 v\u00e0 s\u1ef1 thay \u0111\u1ed5i c\u1ee7a lu\u1ed3ng kh\u00ed l\u1ea1nh, lu\u1ed3ng kh\u00ed \u1ea5m, n\u00fai l\u1eeda.<\/p>\n\n\n\n
Nguy\u00ean nh\u00e2n c\u1ee7a v\u0169 tr\u1ee5 nh\u01b0 s\u1ef1 thay \u0111\u1ed5i t\u1ed1c \u0111\u1ed9 xoay chuy\u1ec3n c\u1ee7a Tr\u00e1i \u0111\u1ea5t. Nh\u00e2n t\u1ed1 con ng\u01b0\u1eddi:<\/p>\n\n\n\n
Ch\u1ec9 c\u00e1c ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng h\u1ee3p l\u00ed c\u1ee7a nh\u00e2n lo\u1ea1i<\/p>\n\n\n\n
V\u00ed d\u1ee5: Theo \u0111\u00e0 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng nghi\u1ec7p c\u00e1c nhi\u00ean li\u1ec7u \u0111\u1ed1t nh\u01b0: than, d\u1ea9u, kh\u00ed thi\u00ean nhi\u00ean trong nh\u00e0 m\u00e1y \u0111\u00e3 l\u00e0m cho h\u00e0m l\u01b0\u1ee3ng cacbonic trong kh\u00f4ng kh\u00ed t\u0103ng nhanh. S\u1ef1 t\u00e0n ph\u00e1 r\u1eebng v\u00e0 th\u1ea3o nguy\u00ean c\u1ee7a con ng\u01b0\u1eddi l\u00e0m cho kh\u00ed cacbonic t\u0103ng cao v\u00e0 l\u01b0\u1ee3ng oxy m\u00e0 r\u1eebng v\u00e0 th\u1ea3o nguy\u00ean t\u1ea1o ra \u00edt \u0111i r\u1ea5t nhi\u1ec1u. Kh\u00ed cacbonic c\u00e0ng ng\u00e0y c\u00e0ng t\u0103ng l\u00e0 tr\u1edf ng\u1ea1i ng\u0103n kh\u00f4ng cho nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng.<\/p>\n\n\n\n
H\u00e0m l\u01b0\u1ee3ng cacbonic trong t\u1ea9ng kh\u00ed quy\u1ec3n t\u0103ng m\u1ea1nh s\u1ebd g\u00e2y ra hi\u1ec7u \u1ee9ng nh\u00e0 k\u00ednh. K\u1ebft qu\u1ea3 \u00e1nh M\u1eb7t tr\u1eddi c\u00f3 th\u1ec3 chi\u1ebfu xu\u1ed1ng Tr\u00e1i \u0111\u1ea5t trong khi nhi\u1ec7t \u0111\u1ed9 gi\u1ea3m xu\u1ed1ng v\u00e0 nhi\u1ec7t \u0111\u1ed9 tr\u00ean Tr\u00e1i \u0111\u1ea5t c\u00e0ng ng\u00e0y c\u00e0ng n\u00f3ng l\u00ean.<\/p>\n\n\n\n
Hi\u1ec7n nay, m\u1ed7i n\u0103m l\u01b0\u1ee3ng kh\u00ed cacbonic tr\u00ean Tr\u00e1i \u0111\u1ea5t t\u0103ng v\u1edbi t\u1ed1c \u0111\u1ed9 0,7 ppm. T\u1eeb \u0111\u00e2y ch\u00fang ta c\u00f3th\u1ec3 t\u00ednh \u0111\u01b0\u1ee3c \u0111\u1ebfn th\u1eadp k\u1ef7 30 c\u1ee7a th\u1ebf k\u1ef7 XXI, nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n tr\u00ean Tr\u00e1i \u0111\u1ea5t s\u1ebd t\u0103ng t\u1eeb 1,5 \u0111\u1ebfn 4,5 \u0111\u1ed9 C so v\u1edbi hi\u1ec7n nay. L\u00fac \u0111\u00f3 n\u01b0\u1edbc bi\u1ec3n s\u1ebd tr\u1edf n\u00ean r\u1ea5t n\u00f3ng, m\u1eb7t n\u01b0\u1edbc bi\u1ec3n s\u1ebd t\u0103ng 0,2 \u0111\u1ebfn 0,4 m\u00e9t c\u1ed9ng th\u00eam d\u1ea3i b\u0103ng h\u00e0 tan ra, m\u1ef1c n\u01b0\u1edbc bi\u1ec3n s\u1ebd c\u00e0ng t\u0103ng cao, c\u00f3 kh\u1ea3 n\u0103ng c\u00e1c v\u00f9ng ven bi\u1ec3n s\u1ebd b\u1ecb l\u1ee5t, l\u00e0m cho m\u00f4i tr\u01b0\u1eddng t\u1ef1 nhi\u00ean v\u00e0 h\u1ec7 sinh th\u00e1i b\u1ecb ph\u00e1 ho\u1ea1i, m\u1ecdi thi\u00ean tai nh\u01b0 b\u00e3o, m\u01b0a r\u00e0o, s\u00f3ng th\u1ea9n, s\u1ee9c n\u00f3ng,\u2026 s\u1ebd li\u00ean ti\u1ebfp x\u1ea3y ra v\u00e0 \u0111em l\u1ea1i t\u1ed5n th\u1ea5t kh\u00f4ng th\u1ec3 l\u01b0\u1eddng tr\u01b0\u1edbc \u0111\u01b0\u1ee3c cho c\u00e1c ng\u00e0nh s\u1ea3n xu\u1ea5t nh\u01b0 n\u00f4ng nghi\u1ec7p, l\u00e2m nghi\u1ec7p, ch\u0103n nu\u00f4i v\u00e0 \u0111\u00e1nh b\u1eaft c\u0169ng nh\u01b0 cu\u1ed9c s\u1ed1ng c\u1ee7a to\u00e0n nh\u00e2n lo\u1ea1i. C\u00f3 ng\u01b0\u1eddi coi \u0111\u00f3 l\u00e0 \u201cThi\u00ean tai c\u1ee7a chi\u1ebfn tranh h\u1ea1t nh\u00e2n\u201d.<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1ef1 thay \u0111\u1ed5i kh\u00ed h\u1eadu tr\u00ean Tr\u00e1i \u0111\u1ea5t c\u00f3 li\u00ean quan r\u1ea5t m\u1eadt thi\u1ebft t\u1edbi cu\u1ed9c s\u1ed1ng c\u1ee7a con ng\u01b0\u1eddi. Th\u00f4ng qua s\u1ef1 quan s\u00e1t v\u00e0 nghi\u00ean c\u1ee9u kh\u00ed h\u1eadu to\u00e0n c\u1ea9u c\u00e1c nh\u00e0 khoa h\u1ecdc \u0111\u00e3 ph\u00e1t hi\u1ec7n ra h\u01a1n 100 n\u0103m tr\u1edf l\u1ea1i \u0111\u00e2y, nhi\u1ec7t \u0111\u1ed9 b\u00ecnh qu\u00e2n to\u00e0n c\u1ea9u t\u0103ng cao 0,5 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1,15],"tags":[],"class_list":["post-10741","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10741","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10741"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10741\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10741"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10741"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10741"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}