{"id":15821,"date":"2024-07-29T17:18:52","date_gmt":"2024-07-29T17:18:52","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=15821"},"modified":"2024-07-29T17:18:52","modified_gmt":"2024-07-29T17:18:52","slug":"mapping-tools-for-wilderness-firefighters-enhancing-safety-and-escape-planning","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/vi\/science\/environmental-science\/mapping-tools-for-wilderness-firefighters-enhancing-safety-and-escape-planning\/","title":{"rendered":"LIDAR: C\u00f4ng ngh\u1ec7 h\u1ed7 tr\u1ee3 \u0111\u1eafc l\u1ef1c cho l\u00ednh c\u1ee9u h\u1ecfa trong c\u00f4ng t\u00e1c d\u1eadp t\u1eaft ch\u00e1y r\u1eebng"},"content":{"rendered":"

C\u00f4ng c\u1ee5 l\u1eadp b\u1ea3n \u0111\u1ed3 d\u00e0nh cho l\u00ednh c\u1ee9u h\u1ecfa ch\u1eefa ch\u00e1y r\u1eebng: N\u00e2ng cao t\u00ednh an to\u00e0n v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch tho\u00e1t hi\u1ec3m<\/h2>\n\n

\u0110\u00e1nh gi\u00e1 \u0111\u1ecba h\u00ecnh v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch tuy\u1ebfn \u0111\u01b0\u1eddng tho\u00e1t hi\u1ec3m<\/h2>\n\n

Ch\u1eefa ch\u00e1y r\u1eebng v\u1ed1n l\u00e0 m\u1ed9t ngh\u1ec1 nguy hi\u1ec3m, v\u00e0 khi bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu l\u00e0m gia t\u0103ng c\u00e1c v\u1ee5 ch\u00e1y r\u1eebng, l\u00ednh c\u1ee9u h\u1ecfa \u0111ang chuy\u1ec3n sang c\u00f4ng ngh\u1ec7 \u0111\u1ec3 n\u00e2ng cao t\u00ednh an to\u00e0n c\u1ee7a m\u00ecnh. M\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ea7y h\u1ee9a h\u1eb9n l\u00e0 LIDAR (Ph\u00e1t hi\u1ec7n v\u00e0 \u0110\u1ecbnh v\u1ecb \u00c1nh s\u00e1ng), s\u1eed d\u1ee5ng tia laser \u0111\u1ec3 t\u1ea1o ra b\u1ea3n \u0111\u1ed3 \u0111\u1ecba h\u00ecnh chi ti\u1ebft.<\/p>\n\n

C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 ph\u00e1t hi\u1ec7n ra r\u1eb1ng d\u1eef li\u1ec7u LIDAR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u00e1nh gi\u00e1 c\u00e1c tuy\u1ebfn \u0111\u01b0\u1eddng tho\u00e1t hi\u1ec3m nhanh nh\u1ea5t c\u00f3 th\u1ec3, d\u1ef1a tr\u00ean c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 d\u1ed1c, m\u1eadt \u0111\u1ed9 th\u1ea3m th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9 g\u1ed3 gh\u1ec1 c\u1ee7a b\u1ec1 m\u1eb7t \u0111\u1ea5t. B\u1eb1ng c\u00e1ch \u0111\u01b0a c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y v\u00e0o m\u1ed9t thu\u1eadt to\u00e1n, l\u00ednh c\u1ee9u h\u1ecfa c\u00f3 th\u1ec3 nhanh ch\u00f3ng x\u00e1c \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0\u1eddng hi\u1ec7u qu\u1ea3 nh\u1ea5t \u0111\u1ec3 tho\u00e1t kh\u1ecfi v\u00f9ng ch\u00e1y r\u1eebng.<\/p>\n\n

C\u00f4ng ngh\u1ec7 LIDAR trong th\u1ef1c t\u1ebf<\/h2>\n\n

Trong m\u1ed9t nghi\u00ean c\u1ee9u do c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u t\u1ea1i C\u01a1 quan L\u00e2m nghi\u1ec7p Hoa K\u1ef3 v\u00e0 \u0110\u1ea1i h\u1ecdc Utah ti\u1ebfn h\u00e0nh, nh\u1eefng ng\u01b0\u1eddi t\u00ecnh nguy\u1ec7n \u0111\u00e3 \u0111i b\u1ed9 tr\u00ean nh\u1eefng con \u0111\u01b0\u1eddng c\u00f3 \u0111\u1ed9 d\u1ed1c, m\u1eadt \u0111\u1ed9 th\u1ea3m th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9 g\u1ed3 gh\u1ec1 c\u1ee7a b\u1ec1 m\u1eb7t \u0111\u1ea5t kh\u00e1c nhau. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111\u00e3 s\u1eed d\u1ee5ng b\u1ea3n \u0111\u1ed3 LIDAR \u0111\u1ec3 t\u00ednh to\u00e1n t\u00e1c \u0111\u1ed9ng c\u1ee7a t\u1eebng y\u1ebfu t\u1ed1 \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n.<\/p>\n\n

H\u1ecd ph\u00e1t hi\u1ec7n ra r\u1eb1ng \u0111\u1ed9 d\u1ed1c c\u00f3 t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 nh\u1ea5t, ti\u1ebfp theo l\u00e0 m\u1eadt \u0111\u1ed9 th\u1ea3m th\u1ef1c v\u1eadt v\u00e0 \u0111\u1ed9 g\u1ed3 gh\u1ec1 c\u1ee7a b\u1ec1 m\u1eb7t \u0111\u1ea5t. Th\u1ea3m th\u1ef1c v\u1eadt cao h\u01a1n 2 m\u00e9t (cao h\u01a1n chi\u1ec1u cao \u0111\u1ea7u ng\u01b0\u1eddi) c\u1ea3n tr\u1edf vi\u1ec7c di chuy\u1ec3n \u00edt h\u01a1n, trong khi th\u1ea3m th\u1ef1c v\u1eadt th\u1ea5p h\u01a1n 15 cm h\u1ea7u nh\u01b0 kh\u00f4ng c\u00f3 \u1ea3nh h\u01b0\u1edfng.<\/p>\n\n

V\u01b0\u1ee3t qua nh\u1eefng h\u1ea1n ch\u1ebf<\/h2>\n\n

M\u1eb7c d\u00f9 c\u00f4ng ngh\u1ec7 LIDAR c\u00f3 ti\u1ec1m n\u0103ng l\u1edbn trong vi\u1ec7c c\u1ea3i thi\u1ec7n s\u1ef1 an to\u00e0n c\u1ee7a l\u00ednh c\u1ee9u h\u1ecfa, nh\u01b0ng v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u1ea7n xem x\u00e9t. B\u1ea3n \u0111\u1ed3 LIDAR v\u1eabn ch\u01b0a c\u00f3 s\u1eb5n cho t\u1ea5t c\u1ea3 c\u00e1c khu v\u1ef1c v\u00e0 vi\u1ec7c x\u1eed l\u00fd ch\u00fang c\u00f3 th\u1ec3 m\u1ea5t nhi\u1ec1u th\u1eddi gian. Ngo\u00e0i ra, k\u1ef9 thu\u1eadt n\u00e0y kh\u00f4ng t\u00ednh \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c y\u1ebfu t\u1ed1 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n, ch\u1eb3ng h\u1ea1n nh\u01b0 h\u00e0nh vi c\u1ee7a \u0111\u00e1m ch\u00e1y v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u00f3.<\/p>\n\n

T\u00edch h\u1ee3p h\u00e0nh vi h\u1ecfa ho\u1ea1n v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u00f3<\/h2>\n\n

H\u00e0nh vi c\u1ee7a \u0111\u00e1m ch\u00e1y v\u00e0 t\u1ed1c \u0111\u1ed9 gi\u00f3 c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 di chuy\u1ec3n c\u1ee7a l\u00ednh c\u1ee9u h\u1ecfa. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang nghi\u00ean c\u1ee9u \u0111\u1ec3 \u0111\u01b0a c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y v\u00e0o c\u00e1c c\u00f4ng c\u1ee5 l\u1eadp k\u1ebf ho\u1ea1ch tuy\u1ebfn \u0111\u01b0\u1eddng tho\u00e1t hi\u1ec3m. V\u00ed d\u1ee5: Ph\u00f2ng th\u00ed nghi\u1ec7m H\u1ecfa ho\u1ea1n c\u1ee7a C\u01a1 quan L\u00e2m nghi\u1ec7p Hoa K\u1ef3 \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a gi\u00f3 b\u1ec1 m\u1eb7t c\u00f3 t\u00ean l\u00e0 WindNinja, c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c vect\u01a1 gi\u00f3 chi ti\u1ebft tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng.<\/p>\n\n

Vai tr\u00f2 c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u1ed1i v\u1edbi s\u1ef1 an to\u00e0n c\u1ee7a l\u00ednh c\u1ee9u h\u1ecfa<\/h2>\n\n

C\u00f4ng ngh\u1ec7 \u0111\u00f3ng vai tr\u00f2 ng\u00e0y c\u00e0ng quan tr\u1ecdng trong vi\u1ec7c c\u1ea3i thi\u1ec7n s\u1ef1 an to\u00e0n c\u1ee7a l\u00ednh c\u1ee9u h\u1ecfa. Ngo\u00e0i c\u00e1c c\u00f4ng c\u1ee5 l\u1eadp b\u1ea3n \u0111\u1ed3 v\u00e0 h\u1ec7 th\u1ed1ng m\u00f4 h\u00ecnh h\u00f3a gi\u00f3, c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u c\u0169ng \u0111ang kh\u00e1m ph\u00e1 c\u00e1c thi\u1ebft b\u1ecb theo d\u00f5i, m\u00e1y bay kh\u00f4ng ng\u01b0\u1eddi l\u00e1i c\u00f3 camera h\u1ed3ng ngo\u1ea1i v\u00e0 c\u00e1c d\u1eef li\u1ec7u c\u1ea3m bi\u1ebfn v\u1ec7 tinh kh\u00e1c \u0111\u1ec3 n\u00e2ng cao nh\u1eadn th\u1ee9c v\u1ec1 t\u00ecnh hu\u1ed1ng v\u00e0 kh\u1ea3 n\u0103ng giao ti\u1ebfp.<\/p>\n\n

T\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd h\u1ecfa ho\u1ea1n<\/h2>\n\n

M\u1ee5c ti\u00eau cu\u1ed1i c\u00f9ng c\u1ee7a c\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u v\u1ec1 h\u1ecfa ho\u1ea1n l\u00e0 \u0111\u1ea1t \u0111\u01b0\u1ee3c con s\u1ed1 kh\u00f4ng l\u00ednh c\u1ee9u h\u1ecfa t\u1eed vong. B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng c\u00f4ng ngh\u1ec7 \u0111\u1ec3 c\u1ea3i thi\u1ec7n vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch tuy\u1ebfn \u0111\u01b0\u1eddng tho\u00e1t hi\u1ec3m, cung c\u1ea5p th\u00f4ng tin theo th\u1eddi gian th\u1ef1c v\u1ec1 th\u1eddi ti\u1ebft v\u00e0 h\u00e0nh vi c\u1ee7a \u0111\u00e1m ch\u00e1y, c\u0169ng nh\u01b0 theo d\u00f5i t\u1eebng l\u00ednh c\u1ee9u h\u1ecfa, c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t m\u00f4i tr\u01b0\u1eddng an to\u00e0n h\u01a1n cho nh\u1eefng ng\u01b0\u1eddi li\u1ec1u m\u00ecnh \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u1ed9ng \u0111\u1ed3ng c\u1ee7a ch\u00fang ta.<\/p>","protected":false},"excerpt":{"rendered":"

C\u00f4ng c\u1ee5 l\u1eadp b\u1ea3n \u0111\u1ed3 d\u00e0nh cho l\u00ednh c\u1ee9u h\u1ecfa ch\u1eefa ch\u00e1y r\u1eebng: N\u00e2ng cao t\u00ednh an to\u00e0n v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch tho\u00e1t hi\u1ec3m \u0110\u00e1nh gi\u00e1 \u0111\u1ecba h\u00ecnh v\u00e0 l\u1eadp…<\/p>\n","protected":false},"author":6,"featured_media":23990,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[21023,21026,21025,5342,21024,21027],"class_list":["post-15821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environmental-science","tag-firefighter-safety","tag-fire-behavior","tag-escape-route-planning","tag-lidar-technology","tag-wildland-fire","tag-wind-speeds"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15821","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=15821"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15821\/revisions"}],"predecessor-version":[{"id":15822,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/posts\/15821\/revisions\/15822"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media\/23990"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/media?parent=15821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/categories?post=15821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/vi\/wp-json\/wp\/v2\/tags?post=15821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}