{"id":17987,"date":"2022-11-05T19:54:08","date_gmt":"2022-11-05T19:54:08","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=17987"},"modified":"2022-11-05T19:54:08","modified_gmt":"2022-11-05T19:54:08","slug":"mantle-rain-earths-hidden-reservoir-of-water","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/earth-science\/mantle-rain-earths-hidden-reservoir-of-water\/","title":{"rendered":"\u0110\u1ea1i d\u01b0\u01a1ng \u1ea9n d\u01b0\u1edbi ch\u00e2n ch\u00fang ta: M\u01b0a manti nu\u00f4i d\u01b0\u1ee1ng s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0110\u1ea5t"},"content":{"rendered":"

Manti Tr\u00e1i \u0110\u1ea5t: H\u1ed3 ch\u1ee9a n\u01b0\u1edbc \u1ea9n gi\u1ea5u<\/h2>\n\n

Hi\u1ec7n t\u01b0\u1ee3ng m\u01b0a manti<\/h2>\n\n

S\u00e2u b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t, trong l\u1edbp manti, n\u1eb1m m\u1ed9t h\u1ed3 ch\u1ee9a n\u01b0\u1edbc kh\u1ed5ng l\u1ed3, l\u1edbn h\u01a1n t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ea1i d\u01b0\u01a1ng tr\u00ean b\u1ec1 m\u1eb7t c\u1ed9ng l\u1ea1i. N\u01b0\u1edbc n\u00e0y kh\u00f4ng t\u1ed3n t\u1ea1i \u1edf d\u1ea1ng l\u1ecfng m\u00e0 li\u00ean k\u1ebft v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc v\u1edbi \u0111\u00e1 xung quanh. Tuy nhi\u00ean, m\u1ed9t m\u00f4 h\u00ecnh m\u1edbi do c\u00e1c nh\u00e0 khoa h\u1ecdc ph\u00e1t tri\u1ec3n cho th\u1ea5y r\u1eb1ng m\u1ed9t ph\u1ea7n \u0111\u00e1ng k\u1ec3 n\u01b0\u1edbc n\u00e0y \u0111ang di chuy\u1ec3n, \u0111i t\u1eeb l\u1edbp manti l\u00ean b\u1ec1 m\u1eb7t th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh g\u1ecdi l\u00e0 “m\u01b0a manti”.<\/p>\n\n

Chu tr\u00ecnh n\u01b0\u1edbc s\u00e2u<\/h2>\n\n

Chu tr\u00ecnh n\u01b0\u1edbc s\u00e2u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn s\u1ef1 trao \u0111\u1ed5i n\u01b0\u1edbc gi\u1eefa b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t v\u00e0 b\u00ean trong c\u1ee7a n\u00f3. Chu tr\u00ecnh n\u00e0y \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh c\u1ee7a n\u01b0\u1edbc m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng sinh s\u1ed1ng c\u1ee7a Tr\u00e1i \u0110\u1ea5t. N\u01b0\u1edbc \u0111\u01b0\u1ee3c mang xu\u1ed1ng l\u1edbp manti b\u1edfi c\u00e1c m\u1ea3ng ki\u1ebfn t\u1ea1o ch\u00ecm, l\u00e0 nh\u1eefng ph\u1ea7n c\u1ee7a l\u1edbp v\u1ecf Tr\u00e1i \u0110\u1ea5t ch\u00ecm xu\u1ed1ng l\u1edbp manti. Sau \u0111\u00f3, n\u01b0\u1edbc n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a tr\u1edf l\u1ea1i b\u1ec1 m\u1eb7t th\u00f4ng qua nhi\u1ec1u qu\u00e1 tr\u00ecnh kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 phun tr\u00e0o n\u00fai l\u1eeda, l\u1ed7 th\u00f4ng h\u01a1i th\u1ee7y nhi\u1ec7t v\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh l\u1edbp v\u1ecf m\u1edbi t\u1ea1i c\u00e1c trung t\u00e2m m\u1edf r\u1ed9ng \u0111\u1ea1i d\u01b0\u01a1ng.<\/p>\n\n

T\u1ea7m quan tr\u1ecdng c\u1ee7a m\u01b0a manti<\/h2>\n\n

Hi\u1ec7n t\u01b0\u1ee3ng m\u01b0a manti \u0111\u01b0\u1ee3c cho l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a chu tr\u00ecnh n\u01b0\u1edbc s\u00e2u. Khi \u0111\u00e1 r\u1eafn trong l\u1edbp manti b\u00e3o h\u00f2a n\u01b0\u1edbc, n\u00f3 c\u00f3 th\u1ec3 bi\u1ebfn th\u00e0nh h\u1ed7n h\u1ee3p tan ch\u1ea3y gi\u00e0u n\u01b0\u1edbc. Sau \u0111\u00f3, h\u1ed7n h\u1ee3p n\u00e0y th\u1ea5m ng\u01b0\u1ee3c l\u00ean l\u1edbp v\u1ecf, gi\u1ea3i ph\u00f3ng n\u01b0\u1edbc v\u00e0o l\u1edbp manti tr\u00ean. N\u01b0\u1edbc li\u00ean k\u1ebft v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t trong l\u1edbp manti tr\u00ean, l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a ch\u00fang v\u00e0 g\u00e2y ra nhi\u1ec1u qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y h\u01a1n, gi\u1ea3i ph\u00f3ng nhi\u1ec1u n\u01b0\u1edbc h\u01a1n n\u1eefa. Chu tr\u00ecnh n\u00e0y ti\u1ebfp t\u1ee5c, v\u1eadn chuy\u1ec3n n\u01b0\u1edbc t\u1eeb l\u1edbp manti l\u00ean b\u1ec1 m\u1eb7t.<\/p>\n\n

Vai tr\u00f2 c\u1ee7a m\u01b0a manti \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng sinh s\u1ed1ng c\u1ee7a Tr\u00e1i \u0110\u1ea5t<\/h2>\n\n

Hi\u1ec7n t\u01b0\u1ee3ng m\u01b0a manti c\u00f3 \u00fd ngh\u0129a to l\u1edbn \u0111\u1ed1i v\u1edbi kh\u1ea3 n\u0103ng sinh s\u1ed1ng c\u1ee7a Tr\u00e1i \u0110\u1ea5t. B\u1eb1ng c\u00e1ch b\u1ed5 sung n\u01b0\u1edbc m\u1eb7t, m\u01b0a manti \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ebd lu\u00f4n c\u00f3 n\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t, ngay c\u1ea3 khi c\u00e1c ngu\u1ed3n n\u01b0\u1edbc kh\u00e1c c\u1ea1n ki\u1ec7t. \u0110i\u1ec1u n\u00e0y r\u1ea5t c\u1ea7n thi\u1ebft \u0111\u1ec3 duy tr\u00ec s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0110\u1ea5t.<\/p>\n\n

C\u01a1 ch\u1ebf m\u01b0a manti<\/h2>\n\n

Qu\u00e1 tr\u00ecnh m\u01b0a manti b\u1eaft \u0111\u1ea7u khi m\u1ed9t m\u1ea3ng \u0111\u00e1 ch\u00ecm v\u00e0 n\u01b0\u1edbc li\u00ean k\u1ebft v\u1edbi \u0111\u00e1 ch\u00ecm s\u00e2u h\u01a1n v\u00e0o l\u1edbp manti. Khi m\u1ea3ng ch\u00ecm xu\u1ed1ng, nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u00e1p su\u1ea5t t\u0103ng cao khi\u1ebfn \u0111\u00e1 tan ch\u1ea3y, gi\u1ea3i ph\u00f3ng n\u01b0\u1edbc. Qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y t\u1ea1o th\u00e0nh h\u1ed7n h\u1ee3p nh\u00e3o nh\u1eb9 h\u01a1n \u0111\u00e1 xung quanh v\u00e0 b\u1eaft \u0111\u1ea7u d\u00e2ng l\u00ean. Khi d\u00e2ng l\u00ean, n\u01b0\u1edbc li\u00ean k\u1ebft v\u1edbi c\u00e1c kho\u00e1ng ch\u1ea5t trong l\u1edbp manti tr\u00ean, l\u00e0m gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y c\u1ee7a ch\u00fang v\u00e0 g\u00e2y ra nhi\u1ec1u qu\u00e1 tr\u00ecnh n\u00f3ng ch\u1ea3y h\u01a1n. Chu tr\u00ecnh n\u00e0y ti\u1ebfp t\u1ee5c, v\u1eadn chuy\u1ec3n n\u01b0\u1edbc t\u1eeb l\u1edbp manti l\u00ean b\u1ec1 m\u1eb7t.<\/p>\n\n

\u00dd ngh\u0129a c\u1ee7a m\u01b0a manti \u0111\u1ed1i v\u1edbi vi\u1ec7c hi\u1ec3u qu\u00e1 kh\u1ee9 v\u00e0 t\u01b0\u01a1ng lai c\u1ee7a Tr\u00e1i \u0110\u1ea5t<\/h2>\n\n

M\u00f4 h\u00ecnh m\u01b0a manti cung c\u1ea5p nh\u1eefng hi\u1ec3u bi\u1ebft m\u1edbi v\u1ec1 qu\u00e1 kh\u1ee9 v\u00e0 t\u01b0\u01a1ng lai c\u1ee7a Tr\u00e1i \u0110\u1ea5t. M\u00f4 h\u00ecnh n\u00e0y cho th\u1ea5y r\u1eb1ng chu tr\u00ecnh n\u01b0\u1edbc s\u00e2u ph\u1ee9c t\u1ea1p h\u01a1n so v\u1edbi tr\u01b0\u1edbc \u0111\u00e2y ch\u00fang ta hi\u1ec3u v\u00e0 m\u01b0a manti \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c duy tr\u00ec n\u01b0\u1edbc m\u1eb7t v\u00e0 kh\u1ea3 n\u0103ng sinh s\u1ed1ng c\u1ee7a Tr\u00e1i \u0110\u1ea5t. Hi\u1ec3u \u0111\u01b0\u1ee3c hi\u1ec7n t\u01b0\u1ee3ng m\u01b0a manti c\u00f3 th\u1ec3 gi\u00fap c\u00e1c nh\u00e0 khoa h\u1ecdc d\u1ef1 \u0111o\u00e1n t\u1ed1t h\u01a1n v\u1ec1 c\u00e1ch c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean n\u01b0\u1edbc c\u1ee7a Tr\u00e1i \u0110\u1ea5t s\u1ebd thay \u0111\u1ed5i trong t\u01b0\u01a1ng lai, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 qu\u1ea3n l\u00fd t\u00ecnh tr\u1ea1ng thi\u1ebfu n\u01b0\u1edbc v\u00e0 \u0111\u1ea3m b\u1ea3o s\u1ef1 b\u1ec1n v\u1eefng c\u1ee7a s\u1ef1 s\u1ed1ng tr\u00ean Tr\u00e1i \u0110\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"

Manti Tr\u00e1i \u0110\u1ea5t: H\u1ed3 ch\u1ee9a n\u01b0\u1edbc \u1ea9n gi\u1ea5u Hi\u1ec7n t\u01b0\u1ee3ng m\u01b0a manti S\u00e2u b\u00ean d\u01b0\u1edbi b\u1ec1 m\u1eb7t Tr\u00e1i \u0110\u1ea5t, trong l\u1edbp manti, n\u1eb1m m\u1ed9t h\u1ed3 ch\u1ee9a n\u01b0\u1edbc kh\u1ed5ng l\u1ed3, l\u1edbn…<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[212],"tags":[23560,5044,207,2309,572,210,669,1974],"class_list":["post-17987","post","type-post","status-publish","format-standard","hentry","category-earth-science","tag-mantle-rain","tag-water-cycle","tag-geology","tag-habitability","tag-earth-science","tag-plate-tectonics","tag-hydrothermal-vents","tag-volcanology"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17987","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=17987"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17987\/revisions"}],"predecessor-version":[{"id":17988,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/17987\/revisions\/17988"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=17987"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=17987"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=17987"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}