S\u00f4ng T\u00f4 Ch\u00e2u d\u00e0i 125 km, ch\u1ea3y qua khu v\u1ef1c Th\u01b0\u1ee3ng H\u1ea3i d\u00e0i 53,1 km, qu\u00e3ng s\u00f4ng trong th\u00e0nh ph\u1ed1 l\u00e0 23,8 km. X\u01b0a nay n\u01b0\u1edbc s\u00f4ng T\u00f4 Ch\u00e2u v\u1eeba \u0111en v\u1eeba th\u1ed1i. M\u1ed9t nh\u00e0 th\u01a1 Th\u01b0\u1ee3ng H\u1ea3i \u0111\u00e3 t\u1eebng v\u00ed von m\u1ed9t c\u00e1ch h\u00ecnh t\u01b0\u1ee3ng r\u1eb1ng “n\u01b0\u1edbc s\u00f4ng T\u00f4 Ch\u00e2u nh\u01b0 m\u1ed9t cu\u1ed9n v\u1ea3i \u0111en ch\u1ea3y ra t\u1eeb th\u00f9ng thu\u1ed1c nhu\u1ed9m”.<\/p>\n\n\n\n
Nh\u01b0ng s\u00f4ng T\u00f4 Ch\u00e2u x\u01b0a kia v\u1ed1n kh\u00f4ng nh\u01b0 v\u1eady, n\u00f3 \u0111\u00e3 t\u1eebng l\u00e0 d\u00f2ng s\u00f4ng n\u01b0\u1edbc trong xanh, thuy\u1ec1n b\u00e8 qua l\u1ea1i nh\u1ed9n nh\u1ecbp, nhi\u1ec1u lo\u00e0i c\u00e1 n\u1ed5i ti\u1ebfng b\u01a1i l\u1ed9i tung t\u0103ng l\u00e0m t\u0103ng th\u00eam v\u1ebb \u0111\u1eb9p. \u0110\u1ebfn \u0111\u1ea7u th\u1ebf k\u1ec9 XX, d\u01b0\u1edbi s\u00f4ng t\u1eebng \u0111\u00e0n t\u00f4m c\u00e1 v\u1eabn tung t\u0103ng \u0111\u00f9a gi\u1ee1n v\u1edbi l\u00e0n n\u01b0\u1edbc xanh. B\u1eaft \u0111\u1ea7u t\u1eeb nh\u1eefng n\u0103m 20, c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng nghi\u1ec7p, s\u00f4ng T\u00f4 Ch\u00e2u b\u1eaft \u0111\u1ea7u xu\u1ea5t hi\u1ec7n hi\u1ec7n t\u01b0\u1ee3ng n\u01b0\u1edbc \u0111en v\u00e0 th\u1ed1i. \u0110\u1ebfn nay s\u00f4ng T\u00f4 Ch\u00e2u ti\u1ebfp nh\u1eadn 7 ngu\u1ed3n n\u01b0\u1edbc \u00f4 nhi\u1ec5m, h\u1eb1ng ng\u00e0y h\u01a1n 50 v\u1ea1n t\u1ea5n n\u01b0\u1edbc th\u1ea3i t\u1eeb hai b\u00ean b\u1edd \u0111\u1ed5 v\u00e0o d\u00f2ng s\u00f4ng, c\u1ed9ng th\u00eam r\u00e1c th\u1ea3i c\u1ee7a d\u00e2n c\u01b0 hai b\u00ean b\u1edd \u0111\u1ed5 v\u00e0o c\u00e0ng khi\u1ebfn cho s\u00f4ng T\u00f4 Ch\u00e2u \u0111\u00e3 \u00f4 nhi\u1ec5m c\u00e0ng th\u00eam \u00f4 nhi\u1ec5m. C\u00e1c chuy\u00ean gia<\/a> ch\u1ec9 r\u00f5 c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m h\u1eefu c\u01a1 \u0111\u00e3 ti\u00eau hao m\u1ed9t l\u01b0\u1ee3ng oxi qu\u00e1 m\u1ee9c, nh\u1eefng ch\u1ea5t h\u1eefu c\u01a1 am\u00f4ni, r\u00e1c th\u1ea3i th\u1ef1c v\u1eadt \u0111\u00e3 g\u00e2y n\u00ean s\u1ef1 \u00f4 nhi\u1ec5m cho d\u00f2ng s\u00f4ng.<\/p>\n\n\n\n N\u0103m 1993, khi c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o Trung Qu\u1ed1c ti\u1ebfp ki\u1ebfn c\u00e1c quan ch\u1ee9c C\u1ee5c M\u00f4i tr\u01b0\u1eddng Li\u00ean h\u1ee3p qu\u1ed1c \u0111\u00e3 bi\u1ec3u th\u1ecb quy\u1ebft t\u00e2m s\u1ebd x\u1eed l\u00ed t\u1ed1t n\u01b0\u1edbc s\u00f4ng T\u00f4 Ch\u00e2u, \u0111\u1ec3 cho n\u00f3 ph\u1ee5c h\u1ed3i tr\u1edf l\u1ea1i nh\u01b0 s\u00f4ng Great Ouse \u1edf Anh. Theo quy ho\u1ea1ch c\u1ee7a UBND th\u00e0nh ph\u1ed1 Th\u01b0\u1ee3ng H\u1ea3i, k\u1ebf ho\u1ea1ch x\u1eed l\u00ed t\u1ed5ng h\u1ee3p s\u00f4ng T\u00f4 Ch\u00e2u chia l\u00e0m hai b\u01b0\u1edbc: cu\u1ed1i n\u0103m 2000 xo\u00e1 b\u1ecf n\u01b0\u1edbc \u0111en th\u1ed1i, b\u01b0\u1edbc \u0111\u1ea7u tr\u1ed3ng c\u00e2y xanh hai b\u00ean b\u1edd m\u1ed9t c\u00e1ch quy m\u00f4; n\u0103m 2010 s\u1ebd x\u1eed l\u00ed n\u01b0\u1edbc m\u1ed9t c\u00e1ch c\u0103n b\u1ea3n, th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng m\u00f4i tr\u01b0\u1eddng sinh th\u00e1i c\u1ee7a h\u1ec7 s\u00f4ng n\u00e0y v\u00e0 hai b\u00ean b\u1edd s\u1ebd x\u00e2y d\u1ef1ng \u0111\u01b0\u1eddng \u0111i b\u1ed9 d\u01b0\u1edbi b\u00f3ng c\u00e2y xanh.<\/p>\n\n\n\n N\u0103m 1993, c\u00f4ng tr\u00ecnh h\u1ee3p l\u01b0u s\u00f4ng T\u00f4 Ch\u00e2u giai \u0111o\u1ea1n m\u1ed9t ho\u00e0n th\u00e0nh, nh\u01b0ng ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc ch\u01b0a \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n r\u00f5 r\u1ec7t. Nguy\u00ean nh\u00e2n l\u00e0 v\u00ec ph\u1ea7n l\u1edbn n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t \u1edf hai b\u00ean b\u1edd v\u1eabn c\u00f2n tr\u1ef1c ti\u1ebfp \u0111\u1ed5 v\u00e0o s\u00f4ng. N\u0103m 1997, c\u00f4ng tr\u00ecnh x\u1eed l\u00ed t\u1ed5ng h\u1ee3p s\u00f4ng T\u00f4 Ch\u00e2u b\u1eaft \u0111\u1ea7u \u0111\u1ed9ng th\u1ed5, cu\u1ed1i th\u00e1ng 12 n\u0103m \u0111\u00f3 th\u00ec n\u01b0\u1edbc th\u1ea3i c\u1ee7a 42 nh\u00e0 m\u00e1y \u0111\u00e3 b\u1ecb ch\u1eb7n l\u1ea1i, t\u1ea5t c\u1ea3 n\u01b0\u1edbc th\u1ea3i c\u00f4ng nghi\u1ec7p v\u00e0 n\u01b0\u1edbc th\u1ea3i sinh ho\u1ea1t \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o \u0111\u01b0\u1eddng \u1ed1ng n\u01b0\u1edbc th\u1ea3i chung c\u1ee7a th\u00e0nh ph\u1ed1, 29 nh\u00e0 m\u00e1y v\u1eadt li\u1ec7u x\u00e2y d\u1ef1ng, b\u1ec3 ph\u00e2n v\u00e0 r\u00e1c th\u1ea3i c\u00e1c c\u1ea7u c\u1ea3ng \u1edf ph\u00eda \u0111\u00f4ng c\u1ea7u Tr\u01b0\u1eddng Th\u1ecd s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111i, nh\u1eefng c\u1eeda h\u00e0ng ki-\u1ed1t hai b\u00ean b\u1edd s\u00f4ng v\u1ed1n l\u00e0 ngu\u1ed3n g\u00e2y \u00f4 nhi\u1ec5m c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c d\u1ecdn s\u1ea1ch \u0111\u1ec3 tr\u1ed3ng c\u00e2y.<\/p>\n\n\n\n Cu\u1ed1i n\u0103m 1998, c\u00f4ng tr\u00ecnh x\u1eed l\u00ed t\u1ed5ng h\u1ee3p m\u00f4i tr\u01b0\u1eddng s\u00f4ng T\u00f4 Ch\u00e2u \u0111\u00e3 ti\u1ebfn tri\u1ec3n \u0111\u00e1ng k\u1ec3, th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c \u00fd t\u01b0\u1edfng d\u00f9ng n\u01b0\u1edbc s\u1ea1ch \u0111\u1ec3 t\u1ea9y \u00f4 nhi\u1ec5m, x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c 6 c\u1ed1ng ch\u1eafn n\u01b0\u1edbc d\u00f9ng n\u01b0\u1edbc s\u1ea1ch \u1edf v\u00f9ng th\u01b0\u1ee3ng l\u01b0u t\u1eadp trung t\u1ed1ng kh\u1ee9 n\u01b0\u1edbc b\u1ea9n, 17 tr\u1ea1m b\u01a1m d\u1ecdc theo s\u00f4ng \u0111\u00e3 ho\u00e0n th\u00e0nh to\u00e0n b\u1ed9 c\u1eaft \u0111\u1ee9t d\u00f2ng n\u01b0\u1edbc th\u1ea3i c\u1ee7a 28 nh\u00e0 m\u00e1y cu\u1ed1i c\u00f9ng, chuy\u1ec3n d\u1eddi 38 c\u1ea7u c\u1ea3ng b\u1ed1c d\u1ee1 h\u00e0ng ho\u00e1, x\u00e2y d\u1ef1ng m\u1ed9t khu c\u00e2y xanh c\u00f4ng c\u1ed9ng v\u1edbi t\u1ed5ng di\u1ec7n t\u00edch 4 v\u1ea1n m\u00e9t vu\u00f4ng. S\u00f4ng T\u00f4 Ch\u00e2u b\u1eaft \u0111\u1ea7u \u0111\u01b0\u1ee3c kh\u00f4i ph\u1ee5c l\u1ea1i nh\u01b0 c\u0169.<\/p>\n\n\n\n Nh\u01b0ng \u0111\u1ec3 cho n\u01b0\u1edbc s\u00f4ng T\u00f4 Ch\u00e2u th\u1ef1c s\u1ef1 tr\u1edf l\u1ea1i trong xanh th\u00ec kh\u00f4ng th\u1ec3 ch\u1ec9 d\u1ef1a v\u00e0o s\u1ef1 l\u00e0m lo\u00e3ng n\u01b0\u1edbc s\u00f4ng v\u00e0 d\u00f9ng n\u01b0\u1edbc s\u1ea1ch th\u01b0\u1ee3ng ngu\u1ed3n t\u1ed1ng r\u1eeda m\u00e0 quan tr\u1ecdng h\u01a1n l\u00e0 ph\u1ea3i c\u1eaft d\u00f2ng n\u01b0\u1edbc th\u1ea3i m\u1ed9t c\u00e1ch c\u0103n b\u1ea3n. \u0110i\u1ec1u \u0111\u00f3 \u0111\u00f2i h\u1ecfi ph\u1ea3i b\u1ecf ra m\u1ed9t kinh ph\u00ed l\u1edbn. D\u1ef1 ki\u1ebfn c\u00f4ng tr\u00ecnh giai \u0111o\u1ea1n th\u1ee9 nh\u1ea5t s\u1ebd ho\u00e0n th\u00e0nh v\u00e0o n\u0103m 2002, v\u1ed1n \u0111\u1ea7u t\u01b0 l\u00e0 8,65 t\u1ec9 \u0111\u1ed3ng, giai \u0111o\u1ea1n hai c\u1ea7n \u0111\u1ea7u t\u01b0 11,45 t\u1ec9 \u0111\u1ed3ng (ch\u01b0a t\u00ednh \u0111\u1ebfn 20 t\u1ec9 \u0111\u1ed3ng \u0111\u1ec3 x\u1eed l\u00ed hai b\u00ean b\u1edd). Ng\u01b0\u1eddi Th\u01b0\u1ee3ng H\u1ea3i mu\u1ed1n x\u1eed l\u00ed \u00f4 nhi\u1ec5m ph\u1ea3i tr\u1ea3 gi\u00e1 qu\u00e1 l\u1edbn, nh\u01b0ng s\u1ef1 tr\u1ea3 gi\u00e1 n\u00e0y s\u1ebd khi\u1ebfn cho s\u00f4ng T\u00f4 Ch\u00e2u v\u1ee9t b\u1ecf \u0111\u01b0\u1ee3c t\u1ea5m kh\u0103n cho\u00e0ng b\u1eb1ng voan m\u00e0u \u0111en, tr\u1edf l\u1ea1i b\u1ed9 m\u1eb7t xanh trong nh\u01b0 c\u0169.<\/p>\n\n\n\n T\u1eeb kho\u00e1: S\u00f4ng T\u00f4 Ch\u00e2u; X\u1eed l\u00ed t\u1ed5ng h\u1ee3p.<\/p>\n","protected":false},"excerpt":{"rendered":" S\u00f4ng T\u00f4 Ch\u00e2u d\u00e0i 125 km, ch\u1ea3y qua khu v\u1ef1c Th\u01b0\u1ee3ng H\u1ea3i d\u00e0i 53,1 km, qu\u00e3ng s\u00f4ng trong th\u00e0nh ph\u1ed1 l\u00e0 23,8 km. X\u01b0a nay n\u01b0\u1edbc s\u00f4ng T\u00f4 Ch\u00e2u v\u1eeba \u0111en v\u1eeba th\u1ed1i. M\u1ed9t nh\u00e0 th\u01a1 Th\u01b0\u1ee3ng H\u1ea3i \u0111\u00e3 t\u1eebng v\u00ed von m\u1ed9t c\u00e1ch h\u00ecnh t\u01b0\u1ee3ng r\u1eb1ng “n\u01b0\u1edbc s\u00f4ng T\u00f4 Ch\u00e2u nh\u01b0 m\u1ed9t cu\u1ed9n v\u1ea3i […]<\/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":[15,17],"tags":[],"class_list":["post-9444","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-moi-truong"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9444","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=9444"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/9444\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=9444"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=9444"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=9444"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}