{"id":32017,"date":"2023-12-07T13:04:06","date_gmt":"2023-12-07T13:04:06","guid":{"rendered":"https:\/\/masterskills.org\/blog\/cua-song-river-mouth-la-gi-dac-diem-va-hinh-thai.html"},"modified":"2023-12-07T13:04:06","modified_gmt":"2023-12-07T13:04:06","slug":"cua-song-river-mouth-la-gi-dac-diem-va-hinh-thai","status":"publish","type":"post","link":"https:\/\/masterskills.org\/blog\/cua-song-river-mouth-la-gi-dac-diem-va-hinh-thai.html","title":{"rendered":"C\u1eeda s\u00f4ng (River Mouth) l\u00e0 g\u00ec? \u0110\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00ecnh th\u00e1i"},"content":{"rendered":"
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\"C\u1eeda<\/div>
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C\u1eeda s\u00f4ng (River Mouth) (\u1ea2nh: govt)<\/p>\n<\/figcaption><\/figure>\n

C\u1eeda s\u00f4ng (River Mouth)<\/font><\/h2>\n

C\u1eeda s\u00f4ng <\/b>– danh t\u1eeb, trong ti\u1ebfng Anh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0\u00a0River Mouth<\/b>.<\/p>\n

C\u1eeda s\u00f4ng<\/i> l\u00e0 lo\u1ea1i h\u00ecnh thu\u1ef7 v\u1ef1c \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u1edf n\u01a1i s\u00f4ng \u0111\u1ed5 ra bi\u1ec3n, n\u01a1i chuy\u1ec3n ti\u1ebfp gi\u1eefa s\u00f4ng v\u00e0 bi\u1ec3n.<\/p>\n

D\u1ecdc b\u1edd bi\u1ec3n Vi\u1ec7t Nam c\u00f3 114 c\u1eeda s\u00f4ng<\/i> l\u1edbn nh\u1ecf, h\u00e0ng n\u0103m c\u00e1c s\u00f4ng \u0111\u1ed5 ra bi\u1ec3n 880 t\u1ec9 m3 n\u01b0\u1edbc (ri\u00eang s\u00f4ng H\u1ed3ng v\u00e0 s\u00f4ng Th\u00e1i B\u00ecnh 137 t\u1ec9 m3 , s\u00f4ng M\u00ea K\u00f4ng 520 t\u1ec9 m3 ) v\u00e0 200 – 250 tri\u1ec7u t\u1ea5n b\u00f9n c\u00e1t (s\u00f4ng H\u1ed3ng v\u00e0 s\u00f4ng Th\u00e1i B\u00ecnh 125 tri\u1ec7u t\u1ea5n, s\u00f4ng M\u00ea K\u00f4ng 98 tri\u1ec7u t\u1ea5n).\u00a0<\/p>\n

Trung b\u00ecnh h\u00e0ng n\u0103m, m\u1ed7i km b\u1edd bi\u1ec3n Vi\u1ec7t Nam nh\u1eadn t\u1eeb l\u1ee5c \u0111\u1ecba m\u1ed9t kh\u1ed1i l\u01b0\u1ee3ng 267 tri\u1ec7u m3 n\u01b0\u1edbc v\u00e0 69 ngh\u00ecn t\u1ea5n b\u00f9n c\u00e1t. Vai tr\u00f2 c\u1ee7a d\u00f2ng ch\u1ea3y s\u00f4ng r\u1ea5t quan tr\u1ecdng v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u1ecba ch\u1ea5t d\u1ea3i ven b\u1edd. M\u1ee9c \u0111\u1ed9 s\u00f4ng su\u1ed1i \u0111\u1ed5 v\u00e0o t\u1eebng v\u0169ng-v\u1ecbnh \u0111\u01b0\u1ee3c chia l\u00e0m 2 c\u1ea5p: kh\u00f4ng \u0111\u00e1ng k\u1ec3 v\u00e0 \u0111\u00e1ng k\u1ec3.<\/p>\n

\u0110\u1eb7c \u0111i\u1ec3m v\u00e0 h\u00ecnh th\u00e1i c\u1ee7a c\u1eeda s\u00f4ng<\/font><\/b><\/h3>\n

\u0110\u1eb7c \u0111i\u1ec3m c\u01a1 b\u1ea3n<\/b><\/p>\n

C\u1eeda s\u00f4ng l\u00e0 v\u1ecb tr\u00ed ti\u1ebfp gi\u00e1p gi\u1eefa s\u00f4ng v\u1edbi bi\u1ec3n v\u00e0 s\u1ef1 tr\u1ed9n l\u1eabn d\u1ea7n kh\u1ed1i n\u01b0\u1edbc s\u00f4ng t\u1eeb l\u1ee5c \u0111\u1ecba ch\u1ea3y ra v\u00e0 kh\u1ed1i n\u01b0\u1edbc bi\u1ec3n t\u1eeb bi\u1ec3n tr\u00e0n v\u00e0o. \u1ede v\u00f9ng c\u1eeda s\u00f4ng, \u0111\u1ed9ng l\u1ef1c s\u00f4ng c\u00f3 vai tr\u00f2 th\u1ed1ng tr\u1ecb, ngo\u00e0i ra c\u00f2n c\u00f3 th\u1ec3 c\u00f3 s\u00f3ng ho\u1eb7c tri\u1ec1u ph\u1ed1i h\u1ee3p.\u00a0<\/p>\n

C\u00e1c h\u00ecnh th\u00e1i<\/b><\/p>\n

V\u1ec1 m\u1eb7t h\u00ecnh th\u00e1i, c\u1eeda s\u00f4ng c\u00f3 th\u1ec3 ph\u00e2n th\u00e0nh 3 ki\u1ec3u ch\u00ednh:\u00a0<\/p>\n

1. C\u1eeda s\u00f4ng ch\u00e2u th\u1ed5 (Delta): \u0110\u01b0\u1ee3c h\u1ec9nh th\u00e0nh do s\u1ef1 b\u1ed3i \u0111\u1eafp c\u1ee7a ph\u00f9 sa s\u00f4ng l\u1ea5n ra bi\u1ec3n, h\u1ec7 l\u1ea1ch \u0111\u01b0a tr\u1ea7m t\u00edch s\u00f4ng ra bi\u1ec3n chi\u1ebfm \u01b0u th\u1ebf. Ch\u00e2u th\u1ed5 c\u00f3 2 ph\u1ea7n: ph\u1ea7n n\u1ed5i v\u00f9ng tri\u1ec1u v\u00e0 ph\u1ea7n ch\u00ecm, ra t\u1edbi \u0111\u1ed9 s\u00e2u 15 \u2013 20m.\u00a0<\/p>\n

C\u1eeda s\u00f4ng ch\u00e2u th\u1ed5 c\u00f3 \u0111\u1ed9ng l\u1ef1c s\u00f4ng th\u1ed1ng tr\u1ecb, v\u1edbi s\u1ef1 ph\u1ed1i h\u1ee3p c\u1ee7a c\u00e1c \u0111\u1ed9ng l\u1ef1c s\u00f3ng ho\u1eb7c tri\u1ec1u, c\u00f3 th\u1ec3 n\u1eeda k\u00edn ho\u1eb7c h\u1edf. C\u1eeda s\u00f4ng ch\u00e2u th\u1ed5 th\u1ea5y \u1edf c\u1ea3 3 v\u00f9ng bi\u1ec3n B\u1eafc, Trung v\u00e0 Nam B\u1ed9 n\u01b0\u1edbc ta.\u00a0<\/p>\n

2. C\u1eeda s\u00f4ng h\u00ecnh ph\u1ec5u (Estuary): l\u00e0 c\u1eeda s\u00f4ng n\u1eeda k\u00edn, c\u00f3 d\u1ea1ng ph\u1ec5u, b\u1ecb ng\u1eadp ch\u00ecm kh\u00f4ng \u0111\u1ec1n b\u00f9 tr\u1ea7m t\u00edch. Tr\u1ea7m t\u00edch s\u00f4ng n\u01b0\u1edbc ng\u1ecdt \u01b0u th\u1ebf, c\u1eeda v\u00e0o h\u1ea1n ch\u1ebf thu h\u1eb9p c\u1eeda s\u00f4ng, tr\u1ea7m t\u00edch bi\u1ec3n \u01b0u th\u1ebf. Thu\u1ef7 tri\u1ec1u \u1edf \u0111\u00e2y c\u00f3 vai tr\u00f2 quan tr\u1ecdng. C\u1eeda s\u00f4ng h\u00ecnh ph\u1ec5u \u0111i\u1ec3n h\u00ecnh \u1edf n\u01b0\u1edbc ta l\u00e0 c\u00e1c c\u1eeda s\u00f4ng B\u1ea1ch \u0110\u1eb1ng v\u00e0 \u0110\u1ed3ng Nai.\u00a0<\/p>\n

3. C\u1eeda s\u00f4ng liman (Liman): V\u00f9ng ng\u1eadp ch\u00ecm kh\u00f4ng \u0111\u1ec1n b\u00f9, \u1edf v\u00f9ng kh\u00f4ng c\u00f3 thu\u1ef7 tri\u1ec1u ho\u1eb7c thu\u1ef7 tri\u1ec1u nh\u1ecf v\u1edbi \u0111\u1ed9ng l\u1ef1c s\u00f3ng \u0111\u00e1ng k\u1ec3 v\u00e0 th\u01b0\u1eddng c\u00f3 doi c\u00e1t ch\u1eafn c\u1eeda. C\u1eeda s\u00f4ng <\/b>liman ph\u1ed5 bi\u1ebfn \u1edf Trung B\u1ed9. (Theo Vi\u1ec7n khoa h\u1ecdc v\u00e0 c\u00f4ng ngh\u1ec7 Vi\u1ec7t Nam<\/i>)<\/p>\n<\/p><\/div>\n","protected":false},"excerpt":{"rendered":"

\n C\u1eeda s\u00f4ng (ti\u1ebfng Anh: River Mouth) l\u00e0 m\u1ed9t lo\u1ea1i h\u00ecnh th\u1ee7y v\u1ef1c c\u00f3 \u0111\u1eb7c th\u00f9 ri\u00eang v\u1ec1 \u0111i\u1ec1u ki\u1ec7n t\u1ef1 nhi\u00ean, t\u00e0i nguy\u00ean, m\u00f4i tr\u01b0\u1eddng v\u00e0 ti\u1ec1m n\u0103ng ph\u00e1t tri\u1ec3n kinh t\u1ebf – x\u00e3 h\u1ed9i.\n <\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[418],"tags":[],"_links":{"self":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/32017"}],"collection":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/comments?post=32017"}],"version-history":[{"count":0,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/posts\/32017\/revisions"}],"wp:attachment":[{"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/media?parent=32017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/categories?post=32017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/masterskills.org\/blog\/wp-json\/wp\/v2\/tags?post=32017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}