T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum<\/p>\n\n\n\n
N\u01b0\u1edbc m\u01b0a v\u00e0 c\u00e1c th\u1ee9 n\u01b0\u1edbc kh\u00e1c tr\u00ean l\u1ee5c \u0111\u1ecba th\u01b0\u1eddng xuy\u00ean b\u1ecb chuy\u1ec3n d\u1ecbch. C\u00e1c d\u00f2ng s\u00f4ng ch\u00ednh l\u00e0 c\u00e1c con su\u1ed1i l\u1edbn \u0111\u00e3 ho\u00e0n t\u1ea5t c\u00f4ng cu\u1ed9c l\u01b0u chuy\u1ec3n n\u00e0y. Su\u1ed1i l\u00e0 c\u00e1c d\u00f2ng ch\u1ea3y, n\u00f3 ch\u1ec9 nh\u1ecf h\u01a1n s\u00f4ng m\u00e0 th\u00f4i. C\u0169ng c\u00f3 nh\u1eefng d\u00f2ng ch\u1ea3y nh\u1ecf h\u01a1n c\u1ea3 su\u1ed1i. T\u1ea5t c\u1ea3 nh\u1eefng d\u1ea3i n\u01b0\u1edbc, khe, su\u1ed1i\u2026 t\u1eadp trung l\u1ea1i t\u1ea1o n\u00ean s\u00f4ng con, c\u00e1c s\u00f4ng con t\u1eadp trung l\u1ea1i th\u00e0nh s\u00f4ng c\u00e1i (s\u00f4ng l\u1edbn).<\/p>\n\n\n\n
C\u00f3 nhi\u1ec1u d\u00f2ng s\u00f4ng \u0111\u1ed5 ra bi\u1ec3n. Nh\u01b0ng c\u0169ng c\u00f3 nh\u1eefng d\u00f2ng s\u00f4ng \u0111\u1ed5 ra h\u1ed3 l\u1edbn, n\u1eb1m trong l\u1ee5c \u0111\u1ecba ho\u1eb7c \u0111\u1ed5 v\u00e0o c\u00e1c b\u00ecnh nguy\u00ean, ph\u00e2n r\u1ebd nh\u00e1nh ra, r\u1ed3i m\u1ea5t h\u00fat v\u00ec b\u1ecb b\u1ed1c h\u01a1i ho\u1eb7c ch\u1ea3y ng\u1ea7m d\u01b0\u1edbi \u0111\u1ea5t. N\u01b0\u1edbc s\u00f4ng m\u1ed9t ph\u1ea7n l\u00e0 do n\u01b0\u1edbc m\u01b0a \u0111\u1ed5 xu\u1ed1ng m\u1eb7t \u0111\u1ea5t, gom l\u1ea1i th\u00e0nh su\u1ed1i, th\u00e0nh s\u00f4ng. N\u01b0\u1edbc s\u00f4ng c\u00f2n do n\u01b0\u1edbc \u0111\u00e1, tuy\u1ebft tan ho\u1eb7c do c\u00e1c ng\u00f2i, l\u1ea1ch v\u00e0 ao h\u1ed3. Nh\u1eefng con s\u00f4ng l\u1edbn c\u00f3 nhi\u1ec1u chi l\u01b0u ho\u1eb7c nh\u1eefng con su\u1ed1i nh\u1ecf ch\u1ea3y gom l\u1ea1i. C\u00e1c s\u00f4ng kh\u00e1 l\u1edbn nh\u01b0 Ohio ho\u1eb7c Missouri c\u0169ng ch\u1ec9 l\u00e0 nh\u1eefng chi l\u01b0u c\u1ee7a m\u1ed9t con s\u00f4ng l\u1edbn h\u01a1n n\u1eefa l\u00e0 s\u00f4ng Mississipi. M\u1ed7i chi l\u01b0u l\u1ea1i c\u00f3 nh\u1eefng chi l\u01b0u nh\u1ecf h\u01a1n. Nh\u01b0 v\u1eady, m\u1ed9t con s\u00f4ng l\u1edbn ch\u00ednh l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng bao g\u1ed3m h\u00e0ng ng\u00e0n d\u1ea3i n\u01b0\u1edbc, khe, su\u1ed1i, lu\u1ed3ng l\u1ea1ch, chi l\u01b0u\u2026<\/p>\n\n\n\n
M\u1ed9t b\u00ecnh nguy\u00ean do m\u1ed9t s\u00f4ng l\u1edbn t\u01b0\u1edbi ti\u00eau \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 l\u01b0u v\u1ef1c. S\u00f4ng Missouri, Mississipi c\u00f3 chi\u1ec1u d\u00e0i h\u01a1n 5.000km \u0111\u00e3 t\u01b0\u1edbi ti\u00eau cho m\u1ed9t v\u00f9ng r\u1ed9ng tr\u00ean 1,5 tri\u1ec7u km2. S\u00f4ng Amazon c\u00f3 chi\u1ec1u d\u00e0i ng\u00f3t 5.000km \u0111\u00e3 t\u01b0\u1edbi ti\u00eau cho m\u1ed9t v\u00f9ng r\u1ed9ng tr\u00ean 3 tri\u1ec7u km2.<\/p>\n\n\n\n
C\u00e1c s\u00f4ng ch\u1ee9a v\u00e0 l\u01b0u chuy\u1ec3n n\u01b0\u1edbc t\u1eeb l\u1ee5c \u0111\u1ecba \u0111\u1ed5 ra bi\u1ec3n. Trong h\u00e0ng ch\u1ee5c n\u0103m l\u01b0u chuy\u1ec3n nh\u01b0 v\u1eady, c\u00e1c d\u00f2ng s\u00f4ng \u0111\u00e3 t\u1ea1o ra s\u1ef1 s\u00f3i m\u00f2n c\u00e1c l\u1ee5c \u0111\u1ecba. \u0111\u1ea1i v\u1ef1c \u201cGrand Canyon\u201d v\u00e0 v\u00f9ng \u0111\u00e8o Delaware \u1edf Hoa K\u1ef3 l\u00e0 nh\u1eefng b\u1eb1ng ch\u1ee9ng cho th\u1ea5y c\u00e1c d\u00f2ng s\u00f4ng c\u00f3 th\u1ec3 t\u1ea1o ra nh\u1eefng thung l\u0169ng h\u00f9ng v\u0129 nh\u01b0 th\u1ebf n\u00e0o.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 2 – Arkady Leokum N\u01b0\u1edbc m\u01b0a v\u00e0 c\u00e1c th\u1ee9 n\u01b0\u1edbc kh\u00e1c tr\u00ean l\u1ee5c \u0111\u1ecba th\u01b0\u1eddng xuy\u00ean b\u1ecb chuy\u1ec3n d\u1ecbch. C\u00e1c d\u00f2ng s\u00f4ng ch\u00ednh l\u00e0 c\u00e1c con su\u1ed1i l\u1edbn \u0111\u00e3 ho\u00e0n t\u1ea5t c\u00f4ng cu\u1ed9c l\u01b0u chuy\u1ec3n n\u00e0y. Su\u1ed1i l\u00e0 c\u00e1c d\u00f2ng ch\u1ea3y, n\u00f3 ch\u1ec9 […]<\/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],"tags":[],"class_list":["post-13999","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13999","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=13999"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13999\/revisions"}],"predecessor-version":[{"id":14000,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/13999\/revisions\/14000"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=13999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=13999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=13999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}