{"id":367115,"date":"2024-07-15T20:25:10","date_gmt":"2024-07-15T13:25:10","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=367115"},"modified":"2024-07-15T20:25:10","modified_gmt":"2024-07-15T13:25:10","slug":"el-nino-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/el-nino-la-gi\/","title":{"rendered":"Hi\u1ec7n t\u01b0\u1ee3ng el nino l\u00e0 g\u00ec? El Nino v\u00e0 La Nina l\u00e0 g\u00ec?"},"content":{"rendered":"

Trong nh\u1eefng n\u0103m g\u1ea7n \u0111\u00e2y, hi\u1ec7n t\u01b0\u1ee3ng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u00e3 \u1ea3nh h\u01b0\u1edfng n\u1eb7ng n\u1ec1 \u0111\u1ebfn tr\u00e1i \u0111\u1ea5t v\u00e0 con ng\u01b0\u1eddi. B\u00ean c\u1ea1nh nh\u1eefng y\u1ebfu t\u1ed1 do con ng\u01b0\u1eddi th\u00ec hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean nh\u01b0 El Nino, La Nina c\u0169ng \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn tr\u00e1i \u0111\u1ea5t. V\u1eady hi\u1ec7n t\u01b0\u1ee3ng La Nina v\u00e0 El Nino l\u00e0 g\u00ec? Th\u00f4ng qua b\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y, h\u00e3y c\u00f9ng Ho\u00e0ng H\u00e0 Mobile t\u00ecm hi\u1ec3u xem hi\u1ec7n t\u01b0\u1ee3ng La Nina v\u00e0 El Nino t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c nh\u01b0 th\u1ebf n\u00e0o v\u00e0 c\u00e1ch \u0111\u1ed1i ph\u00f3 v\u1edbi c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y nh\u00e9.<\/span><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng El Nino l\u00e0 g\u00ec?\u00a0<\/span><\/h2>\n

El Nino l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u1ea5m l\u00ean m\u1ed9t c\u00e1ch l\u1ea1 th\u01b0\u1eddng \u1edf nh\u1eefng khu v\u1ef1c bi\u1ec3n v\u00f9ng trung t\u00e2m ho\u1eb7c v\u00f9ng ph\u00eda \u0111\u00f4ng c\u1ee7a Th\u00e1i B\u00ecnh D\u01b0\u01a1ng. \u0110\u00e2y l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed h\u1eadu ph\u1ee9c t\u1ea1p c\u00f3 \u1ea3nh h\u01b0\u1edfng to\u00e0n c\u1ea7u. El Nino x\u1ea3y ra khi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t n\u01b0\u1edbc bi\u1ec3n \u1edf khu v\u1ef1c n\u00e0y t\u0103ng l\u00ean \u0111\u00e1ng k\u1ec3 so v\u1edbi m\u1ee9c trung b\u00ecnh, g\u00e2y ra nh\u1eefng thay \u0111\u1ed5i l\u1edbn trong h\u1ec7 th\u1ed1ng kh\u00ed quy\u1ec3n v\u00e0 \u0111\u1ea1i d\u01b0\u01a1ng.<\/span><\/p>\n

S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a El Nino th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn nh\u1eefng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu c\u1ef1c \u0111oan tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi. M\u1ed9t s\u1ed1 khu v\u1ef1c c\u00f3 th\u1ec3 ph\u1ea3i \u0111\u1ed1i m\u1eb7t v\u1edbi h\u1ea1n h\u00e1n nghi\u00eam tr\u1ecdng, trong khi nh\u1eefng n\u01a1i kh\u00e1c l\u1ea1i h\u1ee9ng ch\u1ecbu m\u01b0a l\u1edbn v\u00e0 l\u0169 l\u1ee5t. El Nino c\u0169ng c\u00f3 th\u1ec3 l\u00e0m t\u0103ng nguy c\u01a1 ch\u00e1y r\u1eebng, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p v\u00e0 g\u00e2y thi\u1ec7t h\u1ea1i kinh t\u1ebf \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

\"el-nino-la-gi-1\"<\/picture><\/p>\n

Kh\u00f4ng ch\u1ec9 t\u00e1c \u0111\u1ed9ng \u0111\u1ebfn th\u1eddi ti\u1ebft v\u00e0 m\u00f4i tr\u01b0\u1eddng, El Nino c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi. S\u1ef1 gia t\u0103ng nhi\u1ec7t \u0111\u1ed9 v\u00e0 thay \u0111\u1ed5i l\u01b0\u1ee3ng m\u01b0a c\u00f3 th\u1ec3 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho s\u1ef1 l\u00e2y lan c\u1ee7a c\u00e1c b\u1ec7nh truy\u1ec1n nhi\u1ec5m nh\u01b0 s\u1ed1t r\u00e9t v\u00e0 s\u1ed1t xu\u1ea5t huy\u1ebft. Ngo\u00e0i ra, El Nino c\u00f2n l\u00e0m t\u0103ng nguy c\u01a1 m\u1eafc c\u00e1c b\u1ec7nh li\u00ean quan \u0111\u1ebfn \u0111\u01b0\u1eddng h\u00f4 h\u1ea5p do \u00f4 nhi\u1ec5m kh\u00f4ng kh\u00ed v\u00e0 b\u1ee5i.<\/span><\/p>\n

Vi\u1ec7c d\u1ef1 b\u00e1o v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi El Nino l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c c\u1ee7a n\u00f3. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u00e0 ch\u00ednh ph\u1ee7 tr\u00ean to\u00e0n th\u1ebf gi\u1edbi \u0111ang n\u1ed7 l\u1ef1c nghi\u00ean c\u1ee9u v\u00e0 ph\u00e1t tri\u1ec3n c\u00e1c m\u00f4 h\u00ecnh d\u1ef1 b\u00e1o ch\u00ednh x\u00e1c h\u01a1n, \u0111\u1ed3ng th\u1eddi tri\u1ec3n khai c\u00e1c bi\u1ec7n ph\u00e1p ph\u00f2ng ng\u1eeba v\u00e0 \u1ee9ng ph\u00f3 hi\u1ec7u qu\u1ea3.\u00a0<\/span><\/p>\n

Hi\u1ec7n t\u01b0\u1ee3ng La Nina l\u00e0 g\u00ec?\u00a0<\/span><\/h2>\n

Sau khi \u0111\u00e3 t\u00ecm hi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng El Nino l\u00e0 g\u00ec th\u00ec ch\u00fang ta s\u1ebd ti\u1ebfp t\u1ee5c t\u00ecm hi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng La Nina l\u00e0 g\u00ec. La Nina l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u0111\u1ed1i l\u1eadp v\u1edbi El Nino. \u0110\u00e2y l\u00e0 m\u1ed9t giai \u0111o\u1ea1n kh\u00ed h\u1eadu \u0111\u1eb7c tr\u01b0ng b\u1edfi s\u1ef1 l\u1ea1nh \u0111i b\u1ea5t th\u01b0\u1eddng c\u1ee7a n\u01b0\u1edbc bi\u1ec3n b\u1ec1 m\u1eb7t \u1edf khu v\u1ef1c bi\u1ec3n v\u00f9ng trung t\u00e2m ho\u1eb7c v\u00f9ng ph\u00eda \u0111\u00f4ng c\u1ee7a Th\u00e1i B\u00ecnh D\u01b0\u01a1ng. S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 n\u00e0y g\u00e2y ra nh\u1eefng bi\u1ebfn \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 trong h\u1ec7 th\u1ed1ng kh\u00ed quy\u1ec3n to\u00e0n c\u1ea7u, d\u1eabn \u0111\u1ebfn nh\u1eefng t\u00e1c \u0111\u1ed9ng th\u1eddi ti\u1ebft kh\u00e1c bi\u1ec7t tr\u00ean kh\u1eafp th\u1ebf gi\u1edbi.<\/span><\/p>\n

M\u1ed9t trong nh\u1eefng d\u1ea5u hi\u1ec7u r\u00f5 r\u00e0ng nh\u1ea5t c\u1ee7a La Nina l\u00e0 s\u1ef1 gia t\u0103ng \u00e1p su\u1ea5t kh\u00f4ng kh\u00ed \u1edf ph\u00eda \u0111\u00f4ng Th\u00e1i B\u00ecnh D\u01b0\u01a1ng, t\u1ea1o ra gi\u00f3 m\u1eadu d\u1ecbch m\u1ea1nh h\u01a1n. \u0110i\u1ec1u n\u00e0y \u0111\u1ea9y n\u01b0\u1edbc \u1ea5m v\u1ec1 ph\u00eda t\u00e2y, khi\u1ebfn n\u01b0\u1edbc l\u1ea1nh t\u1eeb s\u00e2u d\u01b0\u1edbi \u0111\u00e1y bi\u1ec3n tr\u1ed3i l\u00ean, l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t bi\u1ec3n. S\u1ef1 thay \u0111\u1ed5i n\u00e0y l\u00e0m gi\u00e1n \u0111o\u1ea1n c\u00e1c h\u00ecnh th\u00e1i m\u01b0a th\u00f4ng th\u01b0\u1eddng, g\u00e2y ra h\u1ea1n h\u00e1n \u1edf m\u1ed9t s\u1ed1 khu v\u1ef1c v\u00e0 l\u01b0\u1ee3ng m\u01b0a l\u1edbn h\u01a1n \u1edf nh\u1eefng n\u01a1i kh\u00e1c.<\/span><\/p>\n

\"el-nino-la-gi-2\"<\/picture><\/p>\n

La Nina th\u01b0\u1eddng k\u00e9o theo nh\u1eefng m\u00f9a \u0111\u00f4ng l\u1ea1nh h\u01a1n v\u00e0 kh\u00f4 h\u01a1n \u1edf ph\u00eda b\u1eafc Hoa K\u1ef3, trong khi \u0110\u00f4ng Nam \u00c1 v\u00e0 \u00dac c\u00f3 th\u1ec3 tr\u1ea3i qua l\u01b0\u1ee3ng m\u01b0a l\u1edbn h\u01a1n b\u00ecnh th\u01b0\u1eddng, \u0111\u00f4i khi g\u00e2y ra l\u0169 l\u1ee5t. Ngo\u00e0i ra, La Nina c\u00f2n c\u00f3 th\u1ec3 l\u00e0m t\u0103ng s\u1ed1 l\u01b0\u1ee3ng v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a c\u00e1c c\u01a1n b\u00e3o \u1edf \u0110\u1ea1i T\u00e2y D\u01b0\u01a1ng v\u00e0 gi\u1ea3m \u1edf Th\u00e1i B\u00ecnh D\u01b0\u01a1ng.<\/span><\/p>\n

Hi\u1ec3u bi\u1ebft v\u1ec1 La Nina v\u00e0 nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u1ec1m t\u00e0ng c\u1ee7a n\u00f3 l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 d\u1ef1 b\u00e1o th\u1eddi ti\u1ebft ch\u00ednh x\u00e1c v\u00e0 chu\u1ea9n b\u1ecb cho nh\u1eefng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu c\u00f3 th\u1ec3 x\u1ea3y ra.\u00a0<\/span><\/p>\n

Nguy\u00ean nh\u00e2n d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng El Nino l\u00e0 g\u00ec?\u00a0<\/span><\/h2>\n

Nguy\u00ean nh\u00e2n ch\u00ednh c\u1ee7a El Nino l\u00e0 s\u1ef1 suy y\u1ebfu ho\u1eb7c \u0111\u1ea3o chi\u1ec1u c\u1ee7a gi\u00f3 m\u1eadu d\u1ecbch, v\u1ed1n th\u01b0\u1eddng th\u1ed5i t\u1eeb \u0111\u00f4ng sang t\u00e2y d\u1ecdc theo x\u00edch \u0111\u1ea1o. Khi gi\u00f3 m\u1eadu d\u1ecbch suy y\u1ebfu, n\u01b0\u1edbc \u1ea5m \u1edf ph\u00eda t\u00e2y Th\u00e1i B\u00ecnh D\u01b0\u01a1ng di chuy\u1ec3n v\u1ec1 ph\u00eda \u0111\u00f4ng, l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t bi\u1ec3n \u1edf khu v\u1ef1c bi\u1ec3n v\u00f9ng trung t\u00e2m ho\u1eb7c v\u00f9ng ph\u00eda \u0111\u00f4ng c\u1ee7a Th\u00e1i B\u00ecnh D\u01b0\u01a1ng.<\/span><\/p>\n

S\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t bi\u1ec3n n\u00e0y g\u00e2y ra m\u1ed9t lo\u1ea1t c\u00e1c ph\u1ea3n \u1ee9ng d\u00e2y chuy\u1ec1n trong h\u1ec7 th\u1ed1ng kh\u00ed h\u1eadu. \u0110\u1ea7u ti\u00ean, n\u00f3 l\u00e0m thay \u0111\u1ed5i m\u00f4 h\u00ecnh \u0111\u1ed1i l\u01b0u kh\u00ed quy\u1ec3n, d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i l\u01b0\u1ee3ng m\u01b0a \u1edf nhi\u1ec1u khu v\u1ef1c tr\u00ean th\u1ebf gi\u1edbi. El Nino th\u01b0\u1eddng g\u00e2y ra h\u1ea1n h\u00e1n \u1edf Australia, Indonesia v\u00e0 m\u1ed9t s\u1ed1 khu v\u1ef1c c\u1ee7a ch\u00e2u \u00c1, trong khi g\u00e2y m\u01b0a l\u1edbn v\u00e0 l\u0169 l\u1ee5t \u1edf Nam M\u1ef9 v\u00e0 m\u1ed9t s\u1ed1 khu v\u1ef1c thu\u1ed9c c\u1ee7a mi\u1ec1n B\u1eafc M\u1ef9.<\/span><\/p>\n

\"el-nino-la-gi-3\"<\/picture><\/p>\n

Ngo\u00e0i ra, El Nino c\u00f2n \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1c d\u00f2ng h\u1ea3i l\u01b0u, l\u00e0m thay \u0111\u1ed5i s\u1ef1 ph\u00e2n b\u1ed1 nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u0111\u1ed9 m\u1eb7n c\u1ee7a n\u01b0\u1edbc bi\u1ec3n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i bi\u1ec3n, g\u00e2y ra s\u1ef1 suy gi\u1ea3m qu\u1ea7n th\u1ec3 c\u00e1 v\u00e0 c\u00e1c sinh v\u1eadt bi\u1ec3n kh\u00e1c.<\/span><\/p>\n

M\u1eb7c d\u00f9 El Nino l\u00e0 m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean, c\u00f3 b\u1eb1ng ch\u1ee9ng cho th\u1ea5y bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu do con ng\u01b0\u1eddi g\u00e2y ra c\u00f3 th\u1ec3 l\u00e0m t\u0103ng t\u1ea7n su\u1ea5t v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng El Nino xu\u1ea5t hi\u1ec7n trong t\u01b0\u01a1ng lai. Do \u0111\u00f3, vi\u1ec7c nghi\u00ean c\u1ee9u v\u00e0 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 El Nino l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 d\u1ef1 b\u00e1o v\u00e0 \u1ee9ng ph\u00f3 v\u1edbi nh\u1eefng t\u00e1c \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y \u0111\u1ebfn m\u00f4i tr\u01b0\u1eddng v\u00e0 x\u00e3 h\u1ed9i.<\/span><\/p>\n

Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng La Nina v\u00e0 El Nino<\/span><\/h2>\n

Sau khi \u0111\u00e3 n\u1eafm \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng El Nino l\u00e0 g\u00ec th\u00ec b\u1ea1n c\u1ea7n t\u00ecm hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a n\u00f3. Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang li\u00ean quan \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t n\u01b0\u1edbc bi\u1ec3n v\u00e0 t\u01b0\u01a1ng t\u00e1c v\u1edbi kh\u00ed quy\u1ec3n.<\/span><\/p>\n

Trong \u0111i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng, gi\u00f3 m\u1eadu d\u1ecbch th\u1ed5i t\u1eeb \u0111\u00f4ng sang t\u00e2y \u1edf Th\u00e1i B\u00ecnh D\u01b0\u01a1ng, \u0111\u1ea9y n\u01b0\u1edbc \u1ea5m v\u1ec1 ph\u00eda t\u00e2y, t\u1ea1o ra m\u1ed9t v\u00f9ng n\u01b0\u1edbc \u1ea5m \u1edf ph\u00eda t\u00e2y Th\u00e1i B\u00ecnh D\u01b0\u01a1ng g\u1ea7n Indonesia v\u00e0 m\u1ed9t v\u00f9ng n\u01b0\u1edbc l\u1ea1nh \u1edf ph\u00eda \u0111\u00f4ng Th\u00e1i B\u00ecnh D\u01b0\u01a1ng g\u1ea7n Nam M\u1ef9.<\/span><\/p>\n

Tuy nhi\u00ean, trong hi\u1ec7n t\u01b0\u1ee3ng El Nino, gi\u00f3 m\u1eadu d\u1ecbch suy y\u1ebfu ho\u1eb7c \u0111\u1ea3o chi\u1ec1u, khi\u1ebfn n\u01b0\u1edbc \u1ea5m \u1edf ph\u00eda t\u00e2y Th\u00e1i B\u00ecnh D\u01b0\u01a1ng lan r\u1ed9ng v\u1ec1 ph\u00eda \u0111\u00f4ng, l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t n\u01b0\u1edbc bi\u1ec3n \u1edf khu v\u1ef1c bi\u1ec3n v\u00f9ng trung t\u00e2m ho\u1eb7c v\u00f9ng ph\u00eda \u0111\u00f4ng c\u1ee7a Th\u00e1i B\u00ecnh D\u01b0\u01a1ng. S\u1ef1 thay \u0111\u1ed5i n\u00e0y g\u00e2y ra nh\u1eefng bi\u1ebfn \u0111\u1ed9ng l\u1edbn trong kh\u00ed quy\u1ec3n, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng m\u01b0a v\u00e0 nhi\u1ec7t \u0111\u1ed9 tr\u00ean to\u00e0n c\u1ea7u.<\/span><\/p>\n

\"el-nino-la-gi-4\"<\/picture><\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, trong hi\u1ec7n t\u01b0\u1ee3ng La Nina, gi\u00f3 m\u1eadu d\u1ecbch m\u1ea1nh l\u00ean, \u0111\u1ea9y n\u01b0\u1edbc \u1ea5m v\u1ec1 ph\u00eda t\u00e2y Th\u00e1i B\u00ecnh D\u01b0\u01a1ng m\u1ea1nh m\u1ebd h\u01a1n b\u00ecnh th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn s\u1ef1 gia t\u0103ng n\u01b0\u1edbc l\u1ea1nh \u1edf ph\u00eda \u0111\u00f4ng Th\u00e1i B\u00ecnh D\u01b0\u01a1ng v\u00e0 l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t n\u01b0\u1edbc bi\u1ec3n \u1edf khu v\u1ef1c n\u00e0y. La Nina c\u0169ng g\u00e2y ra nh\u1eefng bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu \u0111\u00e1ng k\u1ec3, nh\u01b0ng th\u01b0\u1eddng ng\u01b0\u1ee3c l\u1ea1i v\u1edbi El Nino. <\/span>C\u1ea3 El Nino v\u00e0 La Nina \u0111\u1ec1u c\u00f3 t\u00e1c \u0111\u1ed9ng l\u1edbn \u0111\u1ebfn th\u1eddi ti\u1ebft v\u00e0 kh\u00ed h\u1eadu tr\u00ean to\u00e0n c\u1ea7u, g\u00e2y ra h\u1ea1n h\u00e1n, l\u0169 l\u1ee5t, b\u00e3o v\u00e0 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng th\u1eddi ti\u1ebft c\u1ef1c \u0111oan kh\u00e1c.<\/span><\/p>\n

Th\u1eddi gian x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng La Nina v\u00e0 El Nino<\/span><\/h2>\n

Hi\u1ec7n t\u01b0\u1ee3ng El Nino v\u00e0 La Nina l\u00e0 hai giai \u0111o\u1ea1n \u0111\u1ed1i l\u1eadp c\u1ee7a m\u1ed9t chu k\u1ef3 kh\u00ed h\u1eadu ph\u1ee9c t\u1ea1p, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 El Nino-Southern Oscillation (ENSO), di\u1ec5n ra \u1edf v\u00f9ng x\u00edch \u0111\u1ea1o Th\u00e1i B\u00ecnh D\u01b0\u01a1ng. El Nino x\u1ea3y ra khi nhi\u1ec7t \u0111\u1ed9 b\u1ec1 m\u1eb7t n\u01b0\u1edbc bi\u1ec3n \u1edf khu v\u1ef1c trung t\u00e2m v\u00e0 ph\u00eda \u0111\u00f4ng Th\u00e1i B\u00ecnh D\u01b0\u01a1ng \u1ea5m l\u00ean b\u1ea5t th\u01b0\u1eddng, trong khi La Nina x\u1ea3y ra khi nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n \u1edf khu v\u1ef1c n\u00e0y l\u1ea1nh \u0111i b\u1ea5t th\u01b0\u1eddng.<\/span><\/p>\n

El Nino th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n v\u1edbi chu k\u1ef3 t\u1eeb 2 \u0111\u1ebfn 7 n\u0103m, th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u v\u00e0o m\u00f9a xu\u00e2n ho\u1eb7c \u0111\u1ea7u m\u00f9a h\u00e8, v\u00e0 k\u00e9o d\u00e0i t\u1eeb 9 \u0111\u1ebfn 12 th\u00e1ng. Tuy nhi\u00ean, c\u0169ng c\u00f3 nh\u1eefng \u0111\u1ee3t El Nino k\u00e9o d\u00e0i \u0111\u1ebfn 18 th\u00e1ng. Ng\u01b0\u1ee3c l\u1ea1i, La Nina c\u0169ng c\u00f3 chu k\u1ef3 t\u01b0\u01a1ng t\u1ef1 El Nino, nh\u01b0ng th\u01b0\u1eddng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 y\u1ebfu h\u01a1n v\u00e0 th\u1eddi gian k\u00e9o d\u00e0i ng\u1eafn h\u01a1n.<\/span><\/p>\n

\"el-nino-la-gi-5\"<\/picture><\/p>\n

C\u1ea3 El Nino v\u00e0 La Nina \u0111\u1ec1u c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn kh\u00ed h\u1eadu to\u00e0n c\u1ea7u, g\u00e2y ra nh\u1eefng bi\u1ebfn \u0111\u1ed5i v\u1ec1 l\u01b0\u1ee3ng m\u01b0a, nhi\u1ec7t \u0111\u1ed9 v\u00e0 c\u00e1c hi\u1ec7n t\u01b0\u1ee3ng th\u1eddi ti\u1ebft v\u00e0 thi\u00ean tai nh\u01b0 b\u00e3o, l\u0169 v\u00e0 h\u1ea1n h\u00e1n. Hi\u1ec7n t\u01b0\u1ee3ng El Nino th\u01b0\u1eddng d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng kh\u00f4 h\u1ea1n \u1edf \u0110\u00f4ng Nam \u00c1 v\u00e0 Australia, trong khi g\u00e2y ra m\u01b0a l\u1edbn v\u00e0 l\u0169 l\u1ee5t \u1edf Nam M\u1ef9. Ng\u01b0\u1ee3c l\u1ea1i, La Nina th\u01b0\u1eddng mang l\u1ea1i l\u01b0\u1ee3ng m\u01b0a l\u1edbn h\u01a1n cho \u0110\u00f4ng Nam \u00c1 v\u00e0 Australia, nh\u01b0ng l\u1ea1i g\u00e2y ra kh\u00f4 h\u1ea1n \u1edf Nam M\u1ef9.<\/span><\/p>\n

Nh\u1eefng t\u00e1c \u0111\u1ed9ng \u1ea3nh h\u01b0\u1edfng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng La Nina v\u00e0 El Nino l\u00e0 g\u00ec?\u00a0<\/span><\/h2>\n

La Nina v\u00e0 El Nino, hai hi\u1ec7n t\u01b0\u1ee3ng kh\u00ed h\u1eadu \u0111\u1ed1i l\u1eadp, c\u00f3 nh\u1eefng t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn th\u1eddi ti\u1ebft v\u00e0 m\u00f4i tr\u01b0\u1eddng tr\u00ean to\u00e0n c\u1ea7u, trong \u0111\u00f3 c\u00f3 Vi\u1ec7t Nam. <\/span>El Nino, th\u01b0\u1eddng \u0111\u01b0\u1ee3c li\u00ean k\u1ebft v\u1edbi n\u1eafng n\u00f3ng v\u00e0 kh\u00f4 h\u1ea1n, g\u00e2y ra nh\u1eefng \u0111\u1ee3t n\u1eafng n\u00f3ng k\u00e9o d\u00e0i, l\u00e0m t\u0103ng nguy c\u01a1 ch\u00e1y r\u1eebng v\u00e0 h\u1ea1n h\u00e1n. T\u1ea1i Vi\u1ec7t Nam, El Nino c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng thi\u1ebfu n\u01b0\u1edbc, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn n\u00f4ng nghi\u1ec7p v\u00e0 \u0111\u1eddi s\u1ed1ng sinh ho\u1ea1t. M\u00f9a m\u01b0a c\u00f3 th\u1ec3 \u0111\u1ebfn mu\u1ed9n h\u01a1n v\u00e0 l\u01b0\u1ee3ng m\u01b0a gi\u1ea3m \u0111i, g\u00e2y kh\u00f3 kh\u0103n cho s\u1ea3n xu\u1ea5t n\u00f4ng nghi\u1ec7p.<\/span><\/p>\n

Ng\u01b0\u1ee3c l\u1ea1i, La Nina th\u01b0\u1eddng mang \u0111\u1ebfn m\u01b0a l\u1edbn v\u00e0 l\u0169 l\u1ee5t. \u1ede Vi\u1ec7t Nam, La Nina c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng tr\u1eadn m\u01b0a l\u1edbn b\u1ea5t th\u01b0\u1eddng, l\u00e0m t\u0103ng nguy c\u01a1 l\u0169 l\u1ee5t v\u00e0 s\u1ea1t l\u1edf \u0111\u1ea5t, g\u00e2y thi\u1ec7t h\u1ea1i l\u1edbn v\u1ec1 ng\u01b0\u1eddi v\u00e0 t\u00e0i s\u1ea3n. M\u00f9a m\u01b0a c\u00f3 th\u1ec3 \u0111\u1ebfn s\u1edbm h\u01a1n v\u00e0 k\u00e9o d\u00e0i h\u01a1n, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ho\u1ea1t \u0111\u1ed9ng giao th\u00f4ng v\u00e0 s\u1ea3n xu\u1ea5t.<\/span><\/p>\n

\"el-nino-la-gi-6\"<\/picture><\/p>\n

C\u1ea3 El Nino v\u00e0 La Nina \u0111\u1ec1u c\u00f3 th\u1ec3 g\u00e2y ra nh\u1eefng bi\u1ebfn \u0111\u1ed5i b\u1ea5t th\u01b0\u1eddng trong m\u00f4i tr\u01b0\u1eddng bi\u1ec3n, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn h\u1ec7 sinh th\u00e1i v\u00e0 ng\u00e0nh th\u1ee7y s\u1ea3n. Nhi\u1ec7t \u0111\u1ed9 n\u01b0\u1edbc bi\u1ec3n t\u0103ng cao trong El Nino c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng t\u1ea9y tr\u1eafng san h\u00f4, trong khi La Nina c\u00f3 th\u1ec3 l\u00e0m t\u0103ng l\u01b0\u1ee3ng m\u01b0a d\u1eabn \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i \u0111\u1ed9 m\u1eb7n c\u1ee7a n\u01b0\u1edbc bi\u1ec3n.\u00a0<\/span><\/p>\n

S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a El Nino v\u00e0 La Nina mang \u0111\u1ebfn nh\u1eefng th\u00e1ch th\u1ee9c l\u1edbn \u0111\u1ed1i v\u1edbi Vi\u1ec7t Nam, \u0111\u00f2i h\u1ecfi s\u1ef1 chu\u1ea9n b\u1ecb v\u00e0 \u1ee9ng ph\u00f3 k\u1ecbp th\u1eddi \u0111\u1ec3 gi\u1ea3m thi\u1ec3u nh\u1eefng t\u00e1c \u0111\u1ed9ng ti\u00eau c\u1ef1c \u0111\u1ebfn kinh t\u1ebf, x\u00e3 h\u1ed9i v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n

C\u00e1ch \u1ee9ng ph\u00f3 v\u1edbi hi\u1ec7n t\u01b0\u1ee3ng La Nina v\u00e0 El Nino l\u00e0 g\u00ec?\u00a0<\/span><\/h2>\n

\u0110\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi ch\u00fang, c\u1ea7n c\u00f3 s\u1ef1 chu\u1ea9n b\u1ecb v\u00e0 c\u00e1c bi\u1ec7n ph\u00e1p th\u00edch \u1ee9ng linh ho\u1ea1t. <\/span>\u0110\u1ed1i v\u1edbi La Nina, hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng g\u00e2y ra m\u01b0a l\u1edbn v\u00e0 l\u0169 l\u1ee5t, c\u1ea7n t\u0103ng c\u01b0\u1eddng h\u1ec7 th\u1ed1ng tho\u00e1t n\u01b0\u1edbc, c\u1ee7ng c\u1ed1 \u0111\u00ea \u0111i\u1ec1u v\u00e0 chu\u1ea9n b\u1ecb c\u00e1c ph\u01b0\u01a1ng \u00e1n di d\u1eddi d\u00e2n c\u01b0 khi c\u1ea7n thi\u1ebft. N\u00f4ng d\u00e2n n\u00ean \u0111i\u1ec1u ch\u1ec9nh l\u1ecbch gieo tr\u1ed3ng, ch\u1ecdn c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng ch\u1ecbu \u00fang t\u1ed1t v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p b\u1ea3o v\u1ec7 m\u00f9a m\u00e0ng. Ngo\u00e0i ra, vi\u1ec7c d\u1ef1 tr\u1eef l\u01b0\u01a1ng th\u1ef1c v\u00e0 n\u01b0\u1edbc s\u1ea1ch c\u0169ng r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh l\u01b0\u01a1ng th\u1ef1c trong nh\u1eefng giai \u0111o\u1ea1n kh\u00f3 kh\u0103n.<\/span><\/p>\n

\u0110\u1ed1i v\u1edbi El Nino, hi\u1ec7n t\u01b0\u1ee3ng th\u01b0\u1eddng g\u00e2y ra h\u1ea1n h\u00e1n v\u00e0 n\u1eafng n\u00f3ng k\u00e9o d\u00e0i, c\u1ea7n ch\u1ee7 \u0111\u1ed9ng t\u00edch tr\u1eef n\u01b0\u1edbc, x\u00e2y d\u1ef1ng c\u00e1c c\u00f4ng tr\u00ecnh th\u1ee7y l\u1ee3i v\u00e0 \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p t\u01b0\u1edbi ti\u00eau ti\u1ebft ki\u1ec7m. N\u00f4ng d\u00e2n n\u00ean chuy\u1ec3n \u0111\u1ed5i sang c\u00e1c lo\u1ea1i c\u00e2y tr\u1ed3ng ch\u1ecbu h\u1ea1n t\u1ed1t, \u00e1p d\u1ee5ng c\u00e1c bi\u1ec7n ph\u00e1p che ph\u1ee7 \u0111\u1ea5t v\u00e0 s\u1eed d\u1ee5ng c\u00e1c gi\u1ed1ng c\u00e2y tr\u1ed3ng ng\u1eafn ng\u00e0y. B\u00ean c\u1ea1nh \u0111\u00f3, vi\u1ec7c n\u00e2ng cao nh\u1eadn th\u1ee9c c\u1ed9ng \u0111\u1ed3ng v\u1ec1 ti\u1ebft ki\u1ec7m n\u01b0\u1edbc v\u00e0 ph\u00f2ng ch\u1ed1ng ch\u00e1y r\u1eebng c\u0169ng r\u1ea5t c\u1ea7n thi\u1ebft.<\/span><\/p>\n

\"el-nino-la-gi-7\"<\/picture><\/p>\n

Vi\u1ec7c \u1ee9ng ph\u00f3 v\u1edbi La Nina v\u00e0 El Nino \u0111\u00f2i h\u1ecfi s\u1ef1 ph\u1ed1i h\u1ee3p ch\u1eb7t ch\u1ebd gi\u1eefa ch\u00ednh ph\u1ee7, c\u00e1c t\u1ed5 ch\u1ee9c v\u00e0 ng\u01b0\u1eddi d\u00e2n. C\u00e1c bi\u1ec7n ph\u00e1p \u1ee9ng ph\u00f3 c\u1ea7n \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean c\u01a1 s\u1edf khoa h\u1ecdc, ph\u00f9 h\u1ee3p v\u1edbi \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3 c\u1ee7a t\u1eebng \u0111\u1ecba ph\u01b0\u01a1ng v\u00e0 \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh an to\u00e0n cao.\u00a0<\/span><\/p>\n

T\u1ed5ng k\u1ebft<\/h2>\n

Th\u00f4ng qua b\u00e0i vi\u1ebft tr\u00ean, b\u1ea1n \u0111\u00e3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng La Nina v\u00e0 El Nino l\u00e0 g\u00ec. \u0110\u00e2y l\u00e0 hai hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c \u0111\u1ebfn v\u1edbi \u0111\u1eddi s\u1ed1ng con ng\u01b0\u1eddi v\u00e0 to\u00e0n m\u00f4i tr\u01b0\u1eddng. Do \u0111\u00f3, ch\u00fang ta c\u1ea7n ph\u1ea3i chu\u1ea9n b\u1ecb \u0111\u1ec3 c\u00f3 th\u1ec3 \u1ee9ng ph\u00f3 v\u1edbi thi\u00ean tai m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 c\u00f3 th\u1ec3 b\u1ea3o v\u1ec7 \u0111\u01b0\u1ee3c s\u1ef1 an to\u00e0n.<\/p>\n

Xem th\u00eam:<\/p>\n