Trm Thu nh v tinh Vit NamSau hn 3 nm xy dng, ngy 9/7, Trm Thu nh v tinh Vit Nam v Trung tm D liu

vin thm Quc gia chnh thc i vo hot ng. y l bc khi u quan trng, t nn mng c bn cho vic ng dng v pht cng ngh vin thm tm Quc gia. K t y, Vit Nam tr thnh nc th 5 ng Nam c Trm Thu nh v tinh ENVISA. Nm trong khun vin hn 60.000m2 t thuc x Minh Khai, huyn T Lim (H Ni), Trm Thu v tinh v Trung tm Qun l d liu (hai sn phm chnh ca d n "H thng Gim st Ti nguyn Thin nhin v Mi trng ti Vit Nam") khng ch l nim t ho ca nhng c quan, n v tham gia xy dng, cung cp thit b cng ngh, qun l, vn hnh, khai thc s dng, m cn l nim t ho ca t nc. L trm thu th 5 trong khi ASEAN, nhng Trm Thu nh v tinh Vit Nam c lp t cc thit b k thut s dng cng ngh mi nht t chu u, M v nhng thit b chuyn ngnh do Tp on Hng khng v V tr Quc phng EADS-DSC (Php) lp ring cho d n, to ra tnh nng t ng cao. Vi h thng thu nhn d liu bng X v h thng x l nh (bao gm 4 h thng qun l trm thu, d liu, x l d liu v kho cha d liu) cu trc cht ch, hu nh ton b qu trnh thu nhn tn hiu, x l tn hiu v d liu nh ban u u t ng. Trm thu c 5 loi nh v tinh, l Spot 2, Spot4, Spot5, ENVIASAT ASAR v ENVISAT MERIS c phn gii 2,5, 10, 20, 30 v 400m...c th phc v cho nhiu nhim v trong lnh vc iu tra c bn, gim st ti nguyn thin nhin v mi trng, gim st tai bin thin tai l lt v nghin cu s dng ln ca nc bin do bin i kh hu cng nh nh gi tc hi ca chng i vi nn kinh t. Cng vi vic khnh thnh v v a vo vn hnh Trm Thu nh v tinh, Trung tm D liu vin thm Quc gia - hp phn c bn th hai quan trng nht ca D n cng c a vo s dng. Vi cu trc hin i, khp kn t khu x l d liu n to ra sn phm, lu tr v phn phi, kh nng x l nh mc cao, Trung tm to ra cc sn phm chun nh bn trc nh theo phn mnh chun cc t l t 1/10.000 n 1/1.000.000 trong h ta VN-2000; m hnh s cao ph trm c nc t l 1/1.000.000 n 1/2.500.000; cc sn phm vector (cc lp thng tin a l) a danh, a gii, giao thng, thy vn v cc lp thng tin chuyn t l 1/10.000 n 1/1.000.000 trong h qui chiu VN-2000; cc sn phm bn khng gian 3D. Cc sn phm vin thm ny c ng dng cho cng tc kim k t ai, kim k rng, lp bn gim st bin ng cc khu vc ven b, khu vc th, phc v quc phng an ninh... Ngoi vic xy dng Trm Thu nh v tinh, Trung tm D liu vin thm Quc gia; d n cn lp t h thng vin thm cho 15 c quan ng dng, to thnh mt h thng cng ngh vin thm tng i hon chnh t thu nhn, x l nh v ng dng. Trong , c 3 c quan ng dng chnh l Vin Quy hoch v Thit k nng nghip, Vin a cht v Khong sn, Trung tm K thut cu h cu nn c u t dy chuyn cng ngh vin thm hin i, sn xut c nhiu sn phm chuyn ngnh thit thc. Bao gm: Hon thin phng php s dng nh v tinh gim st bin ng ma v la (lp c 9 bn la Thi Bnh, Hi Dng, Hi Phng); ng dng nh Spot 4, Spot5 lp bn la, bn lp ph, s dng t, thng k din tch la hng thng; thnh lp bn thm ph v bn bin ng thm ph phc v gim st ti nguyn thin nhin v mi trng; s dng nh v tinh Spot, ENVISAT kt hp d liu GIS theo di nh gi bo lt, ngp lt Tha Thin - Hu... n nay, Trm Thu nh v tinh thu nhn v x l c 291 cnh nh en trng v 267 cnh nh 3 knh ph t d liu nh Spot2; 220 cnh nh en trng, 240 cnh nh 4 knh ph t d liu nh Spot4; 69 cnh phn gii 2,5 mt, 75 cnh phn gii 10 m t d liu nh Spot 5, cc d liu ny c ng dng phc v cc d n lp bn , c s d liu ca B v phc v, Chng trnh iu tra rng ton quc v phc v nhiu c quan n v khc. Ring nh d liu v tinh ENVISAT ASAR (nh Rada), thu nhn c 245 cnh nh chp ch thng thng c rng ri chp 100km, phn gii khng gian 30 m v chp ch qut c rng di chp ti 400km; ph trm ton b lnh th. Trong s c 90 cnh nh s dng gim st nhim du trn vng bin trong nm 2008. D liu nh ENVISAT MERIS thu c 60 cnh nh; trong nh c phn gii ton phn 300, dng nghin cu mc nc bin v nh phn gii thp 1,2 km dng cho quan st tng quan mc ton khu vc. Vic xy dng Trm Thu nh v tinh gip chng ta ch ng trong vic cung cp cc t liu nh vin thm cho cc Trung tm ng dng. Trong thi gian u vn hnh trm thu, trong c s d liu vin thm dng chung s lu tr cc nh gc c thu nhn Trm thu. Thi gian ti, Trung tm s xy dng c s d liu vin thm quc gia hon chnh, lin kt vi c s d liu vin thm chuyn ngnh trong mt h thng thng nht phc v cng tc chia s, tra cu, tm kim, cung cp cc d liu vin thm v cc sn phm gi tr gia tng trn nh vin thm mt cch nhanh chng v hiu qu, trc tuyn p ng kp thi cc yu cu gim st ti nguyn thin nhin v mi trng. Vi nhng thnh tu t c, cho php Trung tm Vin thm Quc gia c t tin bc vo giai on "tng tc"; p ng ngy mt hiu qu hn nhng yu cu gim st ti nguyn thin nhin v mi trng trn phm vi ton quc.