{"id":4553,"date":"2024-02-22T20:52:42","date_gmt":"2024-02-22T12:52:42","guid":{"rendered":"https:\/\/chimaytech.net\/?p=4553"},"modified":"2024-02-23T21:07:40","modified_gmt":"2024-02-23T13:07:40","slug":"how-to-measure-turbidity-using-secchi-disk","status":"publish","type":"post","link":"https:\/\/chimaytech.net\/vi\/how-to-measure-turbidity-using-secchi-disk\/","title":{"rendered":"c\u00e1ch \u0111o \u0111\u1ed9 \u0111\u1ee5c b\u1eb1ng \u0111\u0129a secchi"},"content":{"rendered":"

“\u0110\u0129a Secchi: gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ee5c.”<\/p>\n

S\u1eed d\u1ee5ng \u0111\u0129a Secchi \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ee5c trong n\u01b0\u1edbc<\/h1>\n

\n\u0110\u1ed9 \u0111\u1ee5c l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 \u0111\u1ee5c ho\u1eb7c \u0111\u1ed9 \u0111\u1ee5c c\u1ee7a ch\u1ea5t l\u1ecfng do c\u00e1c h\u1ea1t l\u01a1 l\u1eedng g\u00e2y ra. Trong n\u01b0\u1edbc, \u0111\u1ed9 \u0111\u1ee5c c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc, v\u00ec \u0111\u1ed9 \u0111\u1ee5c cao c\u00f3 th\u1ec3 cho th\u1ea5y s\u1ef1 hi\u1ec7n di\u1ec7n c\u1ee7a c\u00e1c ch\u1ea5t \u00f4 nhi\u1ec5m ho\u1eb7c tr\u1ea7m t\u00edch c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho \u0111\u1eddi s\u1ed1ng th\u1ee7y sinh v\u00e0 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 trong c\u1ee7a n\u01b0\u1edbc. M\u1ed9t ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ee5c trong n\u01b0\u1edbc l\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111\u0129a Secchi.<\/p>\n

\u0110\u0129a Secchi l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 trong c\u1ee7a n\u01b0\u1edbc b\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 s\u00e2u m\u00e0 \u0111\u0129a kh\u00f4ng c\u00f2n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c khi h\u1ea1 xu\u1ed1ng n\u01b0\u1edbc. \u0110\u0129a Secchi bao g\u1ed3m m\u1ed9t \u0111\u0129a tr\u00f2n, th\u01b0\u1eddng c\u00f3 m\u00e0u tr\u1eafng ho\u1eb7c \u0111en, \u0111\u01b0\u1ee3c g\u1eafn v\u00e0o m\u1ed9t s\u1ee3i d\u00e2y ho\u1eb7c d\u00e2y. \u0110\u1ec3 s\u1eed d\u1ee5ng \u0111\u0129a Secchi \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ee5c trong n\u01b0\u1edbc, h\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc sau:<\/p>\n

\u0110\u1ea7u ti\u00ean, h\u00e3y l\u1eafp r\u00e1p c\u00e1c v\u1eadt li\u1ec7u c\u1ee7a b\u1ea1n. B\u1ea1n s\u1ebd c\u1ea7n m\u1ed9t \u0111\u0129a Secchi, m\u1ed9t s\u1ee3i d\u00e2y ho\u1eb7c d\u00e2y \u0111\u1ee7 d\u00e0i \u0111\u1ec3 ch\u1ea1m t\u1edbi \u0111\u00e1y v\u00f9ng n\u01b0\u1edbc m\u00e0 b\u1ea1n \u0111ang ki\u1ec3m tra v\u00e0 m\u1ed9t c\u00e1ch an to\u00e0n \u0111\u1ec3 neo d\u00e2y.<\/p>\n

Ti\u1ebfp theo, h\u00e3y t\u00ecm m\u1ed9t v\u1ecb tr\u00ed th\u00edch h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p \u0111o c\u1ee7a b\u1ea1n. Ch\u1ecdn m\u1ed9t v\u1ecb tr\u00ed \u1edf \u0111\u00f3 n\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u1ed1i y\u00ean t\u0129nh v\u00e0 kh\u00f4ng c\u00f3 v\u1eadt c\u1ea3n c\u00f3 th\u1ec3 c\u1ea3n tr\u1edf t\u1ea7m nh\u00ecn c\u1ee7a \u0111\u0129a.<\/p>\n

\"alt-766\"<\/p>\n

Th\u1ea3 \u0111\u0129a Secchi xu\u1ed1ng n\u01b0\u1edbc t\u1eeb t\u1eeb, \u0111\u1ec3 n\u00f3 ch\u00ecm xu\u1ed1ng cho \u0111\u1ebfn khi kh\u00f4ng c\u00f2n nh\u00ecn th\u1ea5y \u0111\u01b0\u1ee3c n\u1eefa. L\u01b0u \u00fd \u0111\u1ed9 s\u00e2u m\u00e0 \u0111\u0129a bi\u1ebfn m\u1ea5t kh\u1ecfi t\u1ea7m nh\u00ecn. \u0110\u1ed9 s\u00e2u n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ed9 s\u00e2u Secchi v\u00e0 l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 \u0111\u1ee5c c\u1ee7a n\u01b0\u1edbc.<\/p>\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 nh\u1ea5t qu\u00e1n, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i tu\u00e2n theo m\u1ed9t s\u1ed1 nguy\u00ean t\u1eafc ch\u00ednh khi s\u1eed d\u1ee5ng \u0111\u0129a Secchi. \u0110\u1ea3m b\u1ea3o \u0111\u0129a s\u1ea1ch v\u00e0 kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 m\u1ea3nh v\u1ee5n ho\u1eb7c t\u1ea3o n\u00e0o c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb c\u1ee7a n\u00f3. S\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p nh\u1ea5t qu\u00e1n \u0111\u1ec3 h\u1ea1 \u0111\u0129a xu\u1ed1ng n\u01b0\u1edbc, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u1ea1 \u0111\u0129a \u1edf t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh ho\u1eb7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ebfm c\u1ee5 th\u1ec3 \u0111\u1ec3 theo d\u00f5i \u0111\u1ed9 s\u00e2u.<\/p>\n

L\u1eb7p l\u1ea1i ph\u00e9p \u0111o \u00edt nh\u1ea5t ba l\u1ea7n t\u1ea1i m\u1ed7i v\u1ecb tr\u00ed \u0111\u1ec3 t\u00ednh \u0111\u1ebfn s\u1ef1 thay \u0111\u1ed5i trong n\u01b0\u1edbc \u0111\u1ed9 \u0111\u1ee5c. L\u1ea5y gi\u00e1 tr\u1ecb trung b\u00ecnh c\u1ee7a c\u00e1c s\u1ed1 \u0111o n\u00e0y \u0111\u1ec3 \u01b0\u1edbc t\u00ednh ch\u00ednh x\u00e1c h\u01a1n \u0111\u1ed9 \u0111\u1ee5c c\u1ee7a n\u01b0\u1edbc.<\/p>\n

Sau khi thu th\u1eadp s\u1ed1 \u0111o, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed9 s\u00e2u Secchi \u0111\u1ec3 t\u00ednh \u0111\u1ed9 \u0111\u1ee5c c\u1ee7a n\u01b0\u1edbc. C\u00f3 m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i s\u1ed1 \u0111o \u0111\u1ed9 s\u00e2u Secchi th\u00e0nh gi\u00e1 tr\u1ecb \u0111\u1ed9 \u0111\u1ee5c, t\u00f9y thu\u1ed9c v\u00e0o \u0111\u1eb7c \u0111i\u1ec3m c\u1ee5 th\u1ec3 c\u1ee7a v\u00f9ng n\u01b0\u1edbc m\u00e0 b\u1ea1n \u0111ang ki\u1ec3m tra.<\/p>\n

T\u00f3m l\u1ea1i, s\u1eed d\u1ee5ng \u0111\u0129a Secchi \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ee5c trong n\u01b0\u1edbc l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 ch\u1ea5t l\u01b0\u1ee3ng n\u01b0\u1edbc . B\u1eb1ng c\u00e1ch tu\u00e2n theo c\u00e1c quy tr\u00ecnh v\u00e0 h\u01b0\u1edbng d\u1eabn th\u00edch h\u1ee3p \u0111\u1ec3 s\u1eed d\u1ee5ng \u0111\u0129a Secchi, b\u1ea1n c\u00f3 th\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c ph\u00e9p \u0111o ch\u00ednh x\u00e1c v\u00e0 \u0111\u00e1ng tin c\u1eady v\u1ec1 \u0111\u1ed9 trong c\u1ee7a n\u01b0\u1edbc, gi\u00fap b\u1ea1n theo d\u00f5i v\u00e0 b\u1ea3o v\u1ec7 s\u1ee9c kh\u1ecfe c\u1ee7a h\u1ec7 sinh th\u00e1i d\u01b0\u1edbi n\u01b0\u1edbc.<\/p>\n","protected":false},"excerpt":{"rendered":"

“\u0110\u0129a Secchi: gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ee5c.” S\u1eed d\u1ee5ng \u0111\u0129a Secchi \u0111\u1ec3 \u0111o \u0111\u1ed9 \u0111\u1ee5c trong n\u01b0\u1edbc \u0110\u1ed9 \u0111\u1ee5c l\u00e0 th\u01b0\u1edbc \u0111o \u0111\u1ed9 \u0111\u1ee5c ho\u1eb7c \u0111\u1ed9 \u0111\u1ee5c c\u1ee7a ch\u1ea5t l\u1ecfng do c\u00e1c h\u1ea1t l\u01a1 l\u1eedng g\u00e2y ra. Trong n\u01b0\u1edbc, \u0111\u1ed9 \u0111\u1ee5c c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ch\u1ec9 s\u1ed1 quan tr\u1ecdng v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng…<\/p>\n","protected":false},"author":1,"featured_media":1179,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false},"categories":[1],"tags":[],"translation":{"provider":"WPGlobus","version":"2.12.0","language":"vi","enabled_languages":["en","es","de","fr","ru","pt","ar","ja","ko","it","id","hi","th","vi","tr"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"es":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false},"ar":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"ko":{"title":true,"content":true,"excerpt":false},"it":{"title":true,"content":true,"excerpt":false},"id":{"title":true,"content":true,"excerpt":false},"hi":{"title":true,"content":true,"excerpt":false},"th":{"title":true,"content":true,"excerpt":false},"vi":{"title":true,"content":true,"excerpt":false},"tr":{"title":true,"content":true,"excerpt":false}}},"_links":{"self":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4553"}],"collection":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/comments?post=4553"}],"version-history":[{"count":0,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/posts\/4553\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media\/1179"}],"wp:attachment":[{"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/media?parent=4553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/categories?post=4553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/chimaytech.net\/vi\/wp-json\/wp\/v2\/tags?post=4553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}