{"id":4439,"date":"2024-05-17T10:00:00","date_gmt":"2024-05-17T03:00:00","guid":{"rendered":"https:\/\/opengis.vn\/?p=4439"},"modified":"2024-05-27T16:12:38","modified_gmt":"2024-05-27T09:12:38","slug":"gioi-thieu-ve-ve-tinh-sentinel-5","status":"publish","type":"post","link":"https:\/\/opengis.vn\/en\/blog\/gioi-thieu-ve-ve-tinh-sentinel-5\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u v\u1ec1 v\u1ec7 tinh Sentinel-5"},"content":{"rendered":"

T\u00e1c gi\u1ea3: T\u00f4 Nguy\u1ec5n Nh\u1eadt Kh\u00f4i<\/em> \u2013
John D. Nguy\u1ec5n<\/em><\/p>\n\n\n\n

S\u1ee9 m\u1ec7nh c\u1ee7a Sentinel-5<\/h4>\n\n\n\n

Sentinel-5<\/mark> l\u00e0 s\u1ee9 m\u1ec7nh c\u00f3 nhi\u1ec7m v\u1ee5 gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed th\u00f4ng qua c\u00e1c ph\u00e9p \u0111o kh\u00ed quy\u1ec3n v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i kh\u00f4ng gian – th\u1eddi gian cao. Kh\u00e1c v\u1edbi Sentinet 4, s\u1ee9 m\u1ec7nh Sentinel 5 cung c\u1ea5p d\u1eef li\u1ec7u h\u1eb1ng ng\u00e0y v\u1edbi ph\u1ea1m vi bao ph\u1ee7 to\u00e0n c\u1ea7u.<\/p>\n\n\n\n

C\u00e1c s\u1ea3n ph\u1ea9m d\u1eef li\u1ec7u ch\u00ednh l\u00e0 O3<\/sub>, NO2<\/sub>, SO2<\/sub>, HCHO, CHOCHO v\u00e0 sol kh\u00ed<\/strong>. Ngo\u00e0i ra, Sentinel-5 c\u0169ng s\u1ebd cung c\u1ea5p c\u00e1c th\u00f4ng s\u1ed1 ch\u1ea5t l\u01b0\u1ee3ng cho CO, CH4<\/sub> v\u00e0 O3<\/sub> trong t\u1ea7ng b\u00ecnh l\u01b0u v\u1edbi ph\u1ea1m vi bao ph\u1ee7 to\u00e0n c\u1ea7u h\u00e0ng ng\u00e0y v\u1ec1 kh\u00ed h\u1eadu, ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng ozone\/UV b\u1ec1 m\u1eb7t.<\/p>\n\n\n\n

S\u1ee9 m\u1ec7nh Sentinel-5 l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a Ch\u01b0\u01a1ng tr\u00ecnh Quan s\u00e1t Tr\u00e1i \u0111\u1ea5t Ch\u00e2u \u00c2u “Copernicus” do \u1ee6y ban Ch\u00e2u \u00c2u (EC) \u0111i\u1ec1u ph\u1ed1i v\u00e0 qu\u1ea3n l\u00fd. Th\u00e0nh ph\u1ea7n kh\u00f4ng gian c\u1ee7a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng quan s\u00e1t Copernicus \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n d\u01b0\u1edbi s\u1ef1 b\u1ea3o tr\u1ee3 c\u1ee7a C\u01a1 quan V\u0169 tr\u1ee5 Ch\u00e2u \u00c2u (ESA).<\/p>\n\n\n

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H\u00ecnh 1. V\u1ec7 tinh Sentinel 5.
(Ngu\u1ed3n: ESA)<\/figcaption><\/figure><\/div>\n\n\n

Th\u00f4ng tin c\u01a1 b\u1ea3n c\u1ee7a Sentinel-5<\/strong><\/h4>\n\n\n\n
TT<\/strong><\/td>Th\u00f4ng tin nhanh<\/strong><\/td>Ghi ch\u00fa<\/strong><\/td><\/tr><\/thead>
1 <\/td>Ng\u00e0y ra m\u1eaft Sentinel-5
(Lunch date<\/em>)<\/td>		D\u1ef1 ki\u1ebfn 3\/2025<\/td><\/tr>
2 <\/td>Qu\u1ef9 \u0111\u1ea1o
(Orbit<\/em>)<\/td>		\u0110\u1ed3ng b\u1ed9 m\u1eb7t tr\u1eddi<\/td><\/tr>
3 <\/td>\u0110\u1ed9 cao qu\u1ef9 \u0111\u1ea1o
(Altitude<\/em>)<\/td>		835 km<\/td><\/tr>
4 <\/td>G\u00f3c nghi\u00eang
(Inclination<\/em>)<\/td>		98.5\u00b0<\/td><\/tr>
5<\/td>Chu k\u1ef3 l\u1eb7p
(Cycle\/Revisit<\/em>)<\/td>		29 ng\u00e0y (412 orbits\/cycle)<\/td><\/tr>
6<\/td>Gi\u1edd \u0111\u1ecba ph\u01b0\u01a1ng
(Local time<\/em>)<\/td>		9:30<\/td><\/tr>
7<\/td>S\u1ee9 m\u1ec7nh
(Mission<\/em>)<\/td>		Gi\u00e1m s\u00e1t ch\u1ea5t l\u01b0\u1ee3ng kh\u00f4ng kh\u00ed.
C\u00e1c lo\u00e0i \u0111\u01b0\u1ee3c theo d\u00f5i: BrO, CH4<\/sub>, CO, CO2<\/sub>, H2<\/sub>O, HCHO, NO2<\/sub>, O2<\/sub>, O3<\/sub>, O4<\/sub>, OClO, SO2<\/sub> v\u00e0 sol kh\u00ed. Ngo\u00e0i ra, b\u1ee9c x\u1ea1 quang ph\u1ed5 m\u1eb7t tr\u1eddi<\/td><\/tr>
8<\/td>Thi\u1ebft b\u1ecb \u0111i k\u00e8m
(Payload instruments<\/em>)<\/td>		UVNS (Ultra-Violet \/Visible\/Near Infrared\/SWIR)<\/td><\/tr>
9<\/td>Tu\u1ed5i th\u1ecd thi\u1ebft k\u1ebf
(Design lifetime<\/em>)<\/td>		<\/td><\/tr>
10<\/td>Kh\u1ed1i l\u01b0\u1ee3ng
(Mass<\/em>)<\/td>		250 kg (d\u1ef1 ki\u1ebfn)<\/td><\/tr>
11<\/td>K\u00edch th\u01b0\u1edbc
(Dimensions<\/em>)<\/td>		<\/td><\/tr>
12<\/td>C\u01a1 quan kh\u00f4ng gian
(Space agency<\/em>)<\/td>		EUMETSAT<\/a> , ESA<\/a>, COM<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Thi\u1ebft b\u1ecb c\u1ea3m bi\u1ebfn<\/strong><\/h4>\n\n\n\n

Sentinel-5<\/mark> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb bao g\u1ed3m h\u1ec7 th\u1ed1ng m\u00e1y \u0111o quang ph\u1ed5 th\u1ee5 \u0111\u1ed9ng c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao UVNS <\/mark>(Ultra-Violet \/Visible\/Near Infrared\/SWIR<\/em>) ho\u1ea1t \u0111\u1ed9ng trong d\u1ea3i t\u1eed ngo\u1ea1i \u0111\u1ebfn h\u1ed3ng ngo\u1ea1i s\u00f3ng ng\u1eafn v\u1edbi 7 d\u1ea3i quang ph\u1ed5 kh\u00e1c nhau: <\/p>\n\n\n\n