{"id":13171,"date":"2021-06-25T23:29:22","date_gmt":"2021-06-25T23:29:22","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=13171"},"modified":"2021-06-25T23:29:22","modified_gmt":"2021-06-25T23:29:22","slug":"winter-water-pollution-climate-change","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/environmental-science\/winter-water-pollution-climate-change\/","title":{"rendered":"\u00d4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc m\u00f9a \u0111\u00f4ng: m\u1ed1i lo ng\u1ea1i \u0111\u00e1ng l\u01b0u t\u00e2m"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0o m\u00f9a \u0111\u00f4ng<\/h2>\n\n<h2 class=\"wp-block-heading\">V\u1ea5n n\u1ea1n \u00f4 nhi\u1ec5m ch\u1ea5t dinh d\u01b0\u1ee1ng trong n\u00f4ng nghi\u1ec7p<\/h2>\n\n<p>V\u00e0o nh\u1eefng th\u00e1ng l\u1ea1nh h\u01a1n, c\u00e1c h\u00f3a ch\u1ea5t n\u00f4ng nghi\u1ec7p t\u1eeb ph\u00e2n chu\u1ed3ng v\u00e0 ph\u00e2n b\u00f3n th\u01b0\u1eddng s\u1ebd \u0111\u00f3ng b\u0103ng v\u00e0 gi\u1eef nguy\u00ean t\u1ea1i ch\u1ed7. Tuy nhi\u00ean, khi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu d\u1eabn \u0111\u1ebfn m\u00f9a \u0111\u00f4ng \u1ea5m h\u01a1n, c\u00e1c h\u00f3a ch\u1ea5t \u0111\u00f3ng b\u0103ng n\u00e0y c\u00f3 th\u1ec3 tan ch\u1ea3y v\u00e0 gi\u1ea3i ph\u00f3ng v\u00e0o n\u01b0\u1edbc ng\u1ea7m v\u00e0 n\u01b0\u1edbc m\u1eb7t.<\/p>\n\n<p>T\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m ch\u1ea5t dinh d\u01b0\u1ee1ng n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 \u0111\u00e1ng k\u1ec3. Khi c\u00e2y tr\u1ed3ng ng\u1ee7 \u0111\u00f4ng v\u00e0o m\u00f9a \u0111\u00f4ng, ch\u00fang kh\u00f4ng th\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng n\u00e0y, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng d\u00f2ng ch\u1ea3y c\u00f3 h\u1ea1i v\u00e0o c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng th\u1ee7y g\u1ea7n \u0111\u00f3. D\u00f2ng ch\u1ea3y n\u00e0y c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng t\u1ea3o n\u1edf hoa, c\u00e1 ch\u1ebft v\u00e0 c\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e1c s\u1ef1 ki\u1ec7n m\u01b0a tr\u00ean tuy\u1ebft: M\u1ed9t y\u1ebfu t\u1ed1 ch\u00ednh<\/h2>\n\n<p>M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 ch\u00ednh g\u00f3p ph\u1ea7n g\u00e2y \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc v\u00e0o m\u00f9a \u0111\u00f4ng l\u00e0 c\u00e1c s\u1ef1 ki\u1ec7n m\u01b0a tr\u00ean tuy\u1ebft. Khi m\u01b0a r\u01a1i tr\u00ean tuy\u1ebft, tuy\u1ebft c\u00f3 th\u1ec3 tan ch\u1ea3y v\u00e0 t\u1ea1o th\u00e0nh d\u00f2ng ch\u1ea3y mang theo c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m v\u00e0o c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng th\u1ee7y.<\/p>\n\n<p>C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u00e1c s\u1ef1 ki\u1ec7n m\u01b0a tr\u00ean tuy\u1ebft c\u00f3 th\u1ec3 gi\u1ea3i ph\u00f3ng m\u1ed9t l\u01b0\u1ee3ng l\u1edbn tr\u1ea7m t\u00edch v\u00e0 ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0o c\u00e1c con s\u00f4ng v\u00e0 su\u1ed1i. T\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m n\u00e0y th\u1eadm ch\u00ed c\u00f2n nghi\u00eam tr\u1ecdng h\u01a1n \u00f4 nhi\u1ec5m t\u1eeb c\u00e1c s\u1ef1 ki\u1ec7n m\u01b0a t\u01b0\u01a1ng t\u1ef1 trong nh\u1eefng th\u00e1ng \u1ea5m h\u01a1n do th\u1ef1c v\u1eadt kh\u00f4ng xu\u1ea5t hi\u1ec7n \u0111\u1ec3 h\u1ea5p th\u1ee5 c\u00e1c ch\u1ea5t dinh d\u01b0\u1ee1ng.<\/p>\n\n<h2 class=\"wp-block-heading\">C\u00e1c khu v\u1ef1c c\u00f3 nguy c\u01a1<\/h2>\n\n<p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c khu v\u1ef1c c\u1ee7a Hoa K\u1ef3 \u0111\u1ec1u c\u00f3 nguy c\u01a1 \u00f4 nhi\u1ec5m ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0o m\u00f9a \u0111\u00f4ng nh\u01b0 nhau. Tuy nhi\u00ean, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 x\u00e1c \u0111\u1ecbnh m\u1ed9t s\u1ed1 khu v\u1ef1c \u0111\u1eb7c bi\u1ec7t d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng, bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>D\u00e3y n\u00fai Rocky<\/li>\n<li>T\u00e2y B\u1eafc Th\u00e1i B\u00ecnh D\u01b0\u01a1ng<\/li>\n<li>\u0110\u00f4ng B\u1eafc<\/li>\n<li>Trung T\u00e2y ph\u00eda B\u1eafc<\/li>\n<li>\u0110\u1ed3ng b\u1eb1ng Trung t\u00e2m<\/li>\n<li>D\u00e3y n\u00fai Sierra<\/li>\n<\/ul>\n\n<p>C\u00e1c khu v\u1ef1c n\u00e0y c\u00f3 nhi\u1ec1u nit\u01a1 v\u00e0 ph\u1ed1t pho, l\u00e0 nh\u1eefng ch\u1ea5t dinh d\u01b0\u1ee1ng ch\u00ednh c\u00f3 th\u1ec3 g\u00f3p ph\u1ea7n g\u00e2y \u00f4 nhi\u1ec5m ngu\u1ed3n n\u01b0\u1edbc. Ch\u00fang c\u0169ng c\u00f3 kh\u1ea3 n\u0103ng x\u1ea3y ra nhi\u1ec1u s\u1ef1 ki\u1ec7n m\u01b0a tr\u00ean tuy\u1ebft h\u01a1n khi kh\u00ed h\u1eadu ti\u1ebfp t\u1ee5c \u1ea5m l\u00ean.<\/p>\n\n<h2 class=\"wp-block-heading\">T\u00e1c \u0111\u1ed9ng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc<\/h2>\n\n<p>\u00d4 nhi\u1ec5m ch\u1ea5t dinh d\u01b0\u1ee1ng v\u00e0o m\u00f9a \u0111\u00f4ng c\u00f3 th\u1ec3 g\u00e2y ra t\u00e1c \u0111\u1ed9ng t\u00e0n ph\u00e1 \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. N\u1ed3ng \u0111\u1ed9 ch\u1ea5t dinh d\u01b0\u1ee1ng cao c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>T\u1ea3o n\u1edf hoa, c\u00f3 th\u1ec3 ch\u1eb7n \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi v\u00e0 oxy \u0111\u1ebfn c\u00e1c lo\u00e0i th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9ng v\u1eadt d\u01b0\u1edbi n\u01b0\u1edbc<\/li>\n<li>C\u00e1 ch\u1ebft do c\u00e1 kh\u00f4ng th\u1ec3 s\u1ed1ng s\u00f3t trong v\u00f9ng n\u01b0\u1edbc c\u00f3 n\u1ed3ng \u0111\u1ed9 oxy th\u1ea5p<\/li>\n<li>V\u00f9ng ch\u1ebft, l\u00e0 nh\u1eefng v\u00f9ng n\u01b0\u1edbc kh\u00f4ng c\u00f3 oxy, n\u01a1i c\u00e1 v\u00e0 c\u00e1c sinh v\u1eadt bi\u1ec3n kh\u00e1c kh\u00f4ng th\u1ec3 t\u1ed3n t\u1ea1i<\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\">S\u1ef1 c\u1ea7n thi\u1ebft c\u1ee7a vi\u1ec7c nghi\u00ean c\u1ee9u s\u00e2u h\u01a1n v\u00e0 h\u00e0nh \u0111\u1ed9ng<\/h2>\n\n<p>V\u1ea5n \u0111\u1ec1 \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0o m\u00f9a \u0111\u00f4ng l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c nghi\u00ean c\u1ee9u t\u01b0\u01a1ng \u0111\u1ed1i m\u1edbi. C\u00e1c nh\u00e0 khoa h\u1ecdc v\u1eabn \u0111ang nghi\u00ean c\u1ee9u \u0111\u1ec3 hi\u1ec3u to\u00e0n b\u1ed9 v\u1ea5n \u0111\u1ec1 v\u00e0 c\u00e1c t\u00e1c \u0111\u1ed9ng ti\u1ec1m \u1ea9n c\u1ee7a n\u00f3.<\/p>\n\n<p>Tuy nhi\u00ean, c\u00e1c nghi\u00ean c\u1ee9u \u0111\u00e3 ti\u1ebfn h\u00e0nh cho \u0111\u1ebfn nay ch\u1ec9 ra r\u1eb1ng \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0o m\u00f9a \u0111\u00f4ng l\u00e0 m\u1ed1i \u0111e d\u1ecda nghi\u00eam tr\u1ecdng \u0111\u1ed1i v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc. \u0110i\u1ec1u quan tr\u1ecdng l\u00e0 c\u00e1c nh\u00e0 ho\u1ea1ch \u0111\u1ecbnh ch\u00ednh s\u00e1ch v\u00e0 ng\u01b0\u1eddi qu\u1ea3n l\u00fd ngu\u1ed3n n\u01b0\u1edbc ph\u1ea3i h\u00e0nh \u0111\u1ed9ng \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y, bao g\u1ed3m:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Ti\u1ebfn h\u00e0nh nhi\u1ec1u nghi\u00ean c\u1ee9u h\u01a1n \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n nguy\u00ean nh\u00e2n v\u00e0 t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0o m\u00f9a \u0111\u00f4ng<\/li>\n<li>Ph\u00e1t tri\u1ec3n c\u00e1c chi\u1ebfn l\u01b0\u1ee3c \u0111\u1ec3 gi\u1ea3m d\u00f2ng ch\u1ea3y ch\u1ea5t dinh d\u01b0\u1ee1ng t\u1eeb c\u00e1c ngu\u1ed3n n\u00f4ng nghi\u1ec7p<\/li>\n<li>T\u0103ng c\u01b0\u1eddng nh\u1eadn th\u1ee9c c\u1ee7a c\u00f4ng ch\u00fang v\u1ec1 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c b\u1ea3o v\u1ec7 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc trong nh\u1eefng th\u00e1ng m\u00f9a \u0111\u00f4ng<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu v\u00e0 t\u00ecnh tr\u1ea1ng \u00f4 nhi\u1ec5m n\u01b0\u1edbc v\u00e0o m\u00f9a \u0111\u00f4ng V\u1ea5n n\u1ea1n \u00f4 nhi\u1ec5m ch\u1ea5t dinh d\u01b0\u1ee1ng trong n\u00f4ng nghi\u1ec7p V\u00e0o nh\u1eefng th\u00e1ng l\u1ea1nh h\u01a1n, c\u00e1c h\u00f3a&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[34,9472,17759,2434,287,8112,17760],"class_list":["post-13171","post","type-post","status-publish","format-standard","hentry","category-environmental-science","tag-climate-change","tag-nutrients","tag-runoff","tag-winter","tag-agriculture","tag-water-pollution","tag-dead-zones"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13171","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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/comments?post=13171"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13171\/revisions"}],"predecessor-version":[{"id":13172,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/13171\/revisions\/13172"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=13171"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=13171"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=13171"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}