Tr\u01b0\u1edbc h\u1ebft, t\u00f4i s\u1ebd \u0111\u01b0a ra cho c\u00e1c b\u1ea1n m\u1ed9t con s\u1ed1: m\u1ed7i n\u0103m tr\u00ean th\u1ebf gi\u1edbi c\u00f3 kho\u1ea3ng 16 t\u1ef7 m3 ph\u00f9 sa \u1edf c\u00e1c d\u00f2ng s\u00f4ng \u0111\u1ed5 ra bi\u1ec3n.<\/p>\n\n\n\n
C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 c\u00e1c con s\u00f4ng mang ph\u00f9 sa ra bi\u1ec3n, nh\u1eefng h\u1ea1t nh\u1ecf x\u00edu n\u00e0y tr\u00f4i l\u01a1 l\u1eedng trong n\u01b0\u1edbc, gi\u1ed1ng nh\u01b0 tinh b\u1ed9t l\u01a1 l\u1eedng trong n\u01b0\u1edbc c\u01a1m v\u1eady, n\u00f3 di chuy\u1ec3n theo d\u00f2ng ch\u1ea3y c\u1ee7a n\u01b0\u1edbc; h\u1ea1t to th\u00ec men theo b\u1edd s\u00f4ng tr\u00f4i xu\u1ed1ng h\u1ea1 l\u01b0u. Nh\u1eefng h\u1ea1t ph\u00f9 sa tr\u00f4i theo d\u00f2ng n\u01b0\u1edbc t\u1eeb th\u01b0\u1ee3ng l\u01b0u xu\u1ed1ng h\u1ea1 l\u01b0u, do l\u00f2ng s\u00f4ng \u1edf khu v\u1ef1c h\u1ea1 l\u01b0u ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng, n\u00ean t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y ng\u00e0y c\u00e0ng ch\u1eadm l\u1ea1i, kh\u1ea3 n\u0103ng v\u1eadn chuy\u1ec3n th\u1ea5p, do v\u1eady l\u01b0\u1ee3ng ph\u00f9 sa kh\u00f4ng ng\u1eebng t\u00edch t\u1ee5; khi c\u00e1c con s\u00f4ng n\u00e0y \u0111\u1ed5 ra bi\u1ec3n, d\u00f2ng n\u01b0\u1edbc b\u1ecb ph\u00e2n t\u00e1n, t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y \u0111\u1ed9t nhi\u00ean gi\u1ea3m, l\u1ea1i th\u00eam vi\u1ec7c n\u01b0\u1edbc h\u1ed3 th\u1ec9nh tho\u1ea3ng c\u0169ng \u0111\u1ed5 v\u00e0o, c\u00f3 t\u00e1c d\u1ee5ng l\u00e0m c\u1ea3n tr\u1edf n\u01b0\u1edbc s\u00f4ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong n\u01b0\u1edbc bi\u1ec3n c\u00f3 ho\u00e0 tan r\u1ea5t nhi\u1ec1u ion c\u00f3 t\u00ednh \u0111i\u1ec7n ly m\u1ea1nh c\u1ee7a natri clorua (mu\u1ed1i \u0103n), n\u00f3 s\u1ea3n xu\u1ea5t ra m\u1ed9t l\u01b0\u1ee3ng l\u1edbn ion, c\u00f3 th\u1ec3 khi\u1ebfn cho c\u00e1c h\u1ea1t ph\u00f9 sa tr\u00f4i l\u01a1 l\u1eedng trong n\u01b0\u1edbc l\u1eafng xu\u1ed1ng \u0111\u00e1y. L\u01b0\u1ee3ng ph\u00f9 sa t\u00edch t\u1ee5 ng\u00e0y m\u1ed9t nhi\u1ec1u, cu\u1ed1i c\u00f9ng s\u1ebd l\u1ed9 ra kh\u1ecfi m\u1eb7t n\u01b0\u1edbc, n\u00ean d\u00f2ng n\u01b0\u1edbc ch\u1ec9 c\u00f3 th\u1ec3 ch\u1ea3y v\u00f2ng qua hai c\u1ea1nh b\u00ean c\u1ee7a b\u00e3i \u0111\u1ea5t. Ph\u1ea7n ti\u1ebfp x\u00fac v\u1edbi m\u1eb7t n\u01b0\u1edbc c\u1ee7a b\u00e3i \u0111\u1ea5t th\u00ec ch\u1ecbu s\u1ef1 t\u00e1c \u0111\u1ed9ng tr\u1ef1c ti\u1ebfp c\u1ee7a d\u00f2ng n\u01b0\u1edbc, kh\u00f4ng ng\u1eebng b\u1ecb n\u01b0\u1edbc x\u00e2m th\u1ef1c, th\u01b0\u1eddng t\u1ea1o th\u00e0nh h\u00ecnh ch\u00f3p, trong khi m\u1eb7t sau c\u1ee7a n\u01b0\u1edbc th\u00ec t\u01b0\u01a1ng \u0111\u1ed1i l\u1edbn, do \u0111\u00f3 b\u00e3i bi\u1ec3n tr\u1edf th\u00e0nh m\u1ed9t h\u00ecnh \u201c\u201d. M\u1ecdi ng\u01b0\u1eddi \u0111\u1eb7t t\u00ean cho n\u00f3 l\u00e0 \u201cV\u00f9ng ch\u00e2u th\u1ed5\u201d. Nh\u01b0ng c\u00f3 nh\u1eefng b\u00e3i \u0111\u1ea5t do \u0111i\u1ec1u ki\u1ec7n d\u00f2ng ch\u1ea3y kh\u00f4ng gi\u1ed1ng nhau, cho n\u00ean kh\u00f4ng nh\u1ea5t thi\u1ebft s\u1ebd l\u00e0 h\u00ecnh \u201c\u201d.<\/p>\n\n\n\n
Tr\u00ean th\u1ebf gi\u1edbi c\u00f3 m\u1ed9t s\u1ed1 con s\u00f4ng l\u1edbn nh\u01b0 s\u00f4ng Tr\u01b0\u1eddng Giang, Ho\u00e0ng H\u00e0, s\u00f4ng Mississippi, s\u00f4ng Volga, s\u00f4ng H\u1eb1ng, s\u00f4ng Nile\u2026 \u1ede khu v\u1ef1c c\u1eeda s\u00f4ng n\u01a1i n\u01b0\u1edbc \u0111\u1ed5 ra bi\u1ec3n \u0111\u1ec1u c\u00f3 v\u00f9ng ch\u00e2u th\u1ed5 v\u1edbi di\u1ec7n t\u00edch r\u1ea5t l\u1edbn.<\/p>\n\n\n\n
Nh\u01b0ng c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 c\u1eeda s\u00f4ng n\u01a1i \u0111\u1ed5 n\u01b0\u1edbc ra bi\u1ec3n kh\u00f4ng h\u00ecnh th\u00e0nh v\u00f9ng ch\u00e2u th\u1ed5. C\u1eeda s\u00f4ng T i\u1ec1n \u0110\u01b0\u1eddng c\u1ee7a T rung Qu\u1ed1c kh\u00f4ng c\u00f3 v\u00f9ng ch\u00e2u th\u1ed5, b\u1edfi v\u00ec l\u01b0\u1ee3ng ph\u00f9 sa c\u00f3 trong n\u01b0\u1edbc s\u00f4ng T i\u1ec1n \u0110\u01b0\u1eddng kh\u00e1 \u00edt \u1ecfi, h\u01a1n n\u1eefa c\u1eeda s\u00f4ng c\u00f3 h\u00ecnh ph\u1ec5u, r\u1ea5t r\u1ed9ng. \u0110\u1ed3ng th\u1eddi, \u1edf \u0111\u00e2y c\u00f2n c\u00f3 nh\u1eefng \u0111\u1ee3t thu\u1ef7 tri\u1ec1u m\u1ea1nh, c\u1eeda s\u00f4ng h\u00ecnh ph\u1ec5u c\u00f2n ch\u1ecbu t\u00e1c \u0111\u1ed9ng c\u1ee7a vi\u1ec7c d\u1eddi non l\u1ea5p bi\u1ec3n, s\u1ee9c b\u00e0o m\u00f2n l\u1edbn c\u1ee7a thu\u1ef7 tri\u1ec1u, khi\u1ebfn cho ph\u00f9 sa kh\u00f4ng th\u1ec3 t\u00edch t\u1ee5 l\u1ea1i. D\u00f9 v\u1eady nh\u01b0ng v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1t ph\u00f9 sa may m\u1eafn c\u00f2n s\u00f3t l\u1ea1i, t\u00edch t\u1ee5 \u1edf c\u1eeda s\u00f4ng T i\u1ec1n \u0110\u01b0\u1eddng, nh\u01b0ng c\u0169ng kh\u00f3 m\u00e0 t\u0103ng cao, ch\u1ec9 c\u00f3 th\u1ec3 \u1ea9n d\u01b0\u1edbi m\u1eb7t n\u01b0\u1edbc h\u00ecnh th\u00e0nh m\u1ed9t v\u00f9ng \u0111\u1ea5t tr\u0169ng. Cho n\u00ean c\u1eeda s\u00f4ng Ti\u1ec1n \u0110\u01b0\u1eddng kh\u00f4ng th\u1ec3 h\u00ecnh th\u00e0nh v\u00f9ng ch\u00e2u th\u1ed5.<\/p>\n\n\n\n
Nhi\u1ec1u khu v\u1ef1c \u1edf gi\u1eefa s\u00f4ng T r\u01b0\u1eddng Giang v\u00e0<\/p>\n\n\n\n
Ho\u00e0ng H\u00e0, \u0111\u00f4i khi \u1edf m\u1ed9t s\u1ed1 ph\u1ea7n c\u1ee7a d\u00f2ng s\u00f4ng t\u1ed1c \u0111\u1ed9 d\u00f2ng ch\u1ea3y t\u01b0\u01a1ng \u0111\u1ed1i ch\u1eadm, c\u0169ng c\u00f3 ph\u00f9 sa t\u00edch t\u1ee5 l\u1ea1i t\u1ea1o th\u00e0nh \u0111\u1ea5t b\u1ed3i. V\u00ed d\u1ee5 c\u00f3 m\u1ed9t s\u1ed1 ch\u01b0\u1edbng ng\u1ea1i v\u1eadt c\u1ea3n tr\u1edf d\u00f2ng ch\u1ea3y, l\u00fac \u0111\u00f3 c\u00e1t s\u1ecfi s\u1ebd l\u1eafng xu\u1ed1ng d\u01b0\u1edbi, h\u00ecnh th\u00e0nh b\u00e3i \u0111\u1ea5t, sau khi b\u00e3i \u0111\u1ea5t \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh, d\u00f2ng ch\u1ea3y \u1edf \u0111\u00f3 l\u1ea1i c\u00e0ng b\u1ecb c\u1ea3n tr\u1edf, v\u00ec v\u1eady ph\u00f9 sa t\u00edch t\u1ee5 l\u1ea1i ng\u00e0y c\u00e0ng nhi\u1ec1u, khi\u1ebfn cho b\u00e3i \u0111\u1ea5t c\u00e0ng t\u00edch t\u1ee5 c\u00e0ng l\u1edbn; vi\u1ec7c b\u00e3i \u0111\u1ea5t l\u1edbn \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh do s\u1ef1 b\u1ed3i \u0111\u1eafp v\u00e0 li\u00ean k\u1ebft gi\u1eefa nh\u1eefng b\u00e3i \u0111\u1ea5t nh\u1ecf v\u1edbi nhau c\u0169ng \u0111\u00e3 xu\u1ea5t hi\u1ec7n \u1edf khu v\u1ef1c gi\u1eefa s\u00f4ng T r\u01b0\u1eddng Giang v\u1edbi Ho\u00e0ng H\u00e0. L\u00fac m\u1edbi \u0111\u1ea7u, ch\u1ec9 xu\u1ea5t hi\u1ec7n khi n\u01b0\u1edbc c\u1ea1n, tr\u1ea3i qua nhi\u1ec1u di\u1ec5n bi\u1ebfn trong th\u1eddi gian d\u00e0i, n\u00f3 c\u00f2n c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh nh\u1eefng h\u00f2n \u0111\u1ea3o kh\u00f4ng b\u1ecb n\u01b0\u1edbc nh\u1ea5n ch\u00ecm h\u00e0ng n\u0103m. Nh\u01b0ng c\u0169ng c\u00f3 th\u1ec3 do d\u00f2ng n\u01b0\u1edbc l\u00e0m x\u00f3i m\u00f2n m\u00e0 bi\u1ebfn m\u1ea5t, s\u1ef1 ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c d\u00f2ng ch\u1ea3y \u1edf n\u01a1i n\u00e0y c\u0169ng nh\u01b0 n\u01a1i kh\u00e1c \u0111\u1ec1u c\u00f3 li\u00ean quan \u0111\u1ebfn s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a v\u1ecf T r\u00e1i \u0110\u1ea5t.<\/p>\n\n\n\n
T \u1eeb kho\u00e1: V\u00f9ng ch\u00e2u th\u1ed5.<\/p>\n","protected":false},"excerpt":{"rendered":"
Tr\u01b0\u1edbc h\u1ebft, t\u00f4i s\u1ebd \u0111\u01b0a ra cho c\u00e1c b\u1ea1n m\u1ed9t con s\u1ed1: m\u1ed7i n\u0103m tr\u00ean th\u1ebf gi\u1edbi c\u00f3 kho\u1ea3ng 16 t\u1ef7 m3 ph\u00f9 sa \u1edf c\u00e1c d\u00f2ng s\u00f4ng \u0111\u1ed5 ra bi\u1ec3n. C\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 c\u00e1c con s\u00f4ng mang ph\u00f9 sa ra bi\u1ec3n, nh\u1eefng h\u1ea1t nh\u1ecf x\u00edu n\u00e0y tr\u00f4i l\u01a1 l\u1eedng trong n\u01b0\u1edbc, gi\u1ed1ng nh\u01b0 […]<\/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":[15,19],"tags":[],"class_list":["post-10125","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tu-nhien"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10125","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=10125"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10125\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10125"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10125"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}