Thông tin tài liệu
TP HCM KHOA GVHD: PGS.TS TRẦN TRỌNG ĐỨC 60 44 76 Cơng trình Cán b c hồn thành t i: i h c Bách Khoa -HCM ng d n khoa h c: CBHD: TS H Cán b ch m nh n o Nguyên, Cán b ch m nh n xét 2: TS Tr n Anh Tú, Lu cs cb ov t Ngày 22 tháng 01 ih Thành ph n h c s g m: 1: PGS TS Hà Quang H i (Ch t ch h ng) 2: PGS TS Tr n Tr 3: o Nguyên 4: TS Tr n Anh Tú 5: TS H n Xác nh n c a Ch t ch H ngành sau lu CH T CH H ng Khoa qu n lý chuyên c s a ch a NG NG KHOA I H C QU C GIA TP.HCM I H C BÁCH KHOA C NG HÒA XÃ H I CH T NAM c l p - T - H nh phúc NHI M V LU H tên h c viên: Chuyên ngành: Nguy -03B MSHV: 11104475 vi n thám GIS Mã s 60 44 76 TÀI : NG D NG VI N THÁM TRONG GIÁM SÁT BI N NG NG B NHI M V VÀ N I DUNG: Thu th p d li u nh vi n thám th m 1976, 1989, 1996, 2002, 2009 kho ng th i gian mùa khô t v c sông Ti n ch y qua Thành ph Sa c t ng Tháp Thu th p d li u v th y tri u khu v c sông ti n qua Sa c, thu th p d li d c, dòng ch y, th X lý nh vi n thám b ng ph n m m chuyên d có nh ch ng t t nh t Nghiên c u ph ng m ng b ) t t nh t cho khu v c áp d i v i t ng lo i nh vi n thám u tra th a khu v c nghiên c ng b th c t ng b xác nh t S d th ng kê s bi báo Các k t lu n ki n ngh II NGÀY GIAO NHI M V : III NGÀY HOÀN THÀNH NHI M V : 22/11/2013 IV CÁN B NG D N: CBHD: TS H n Tp HCM, ngày 22 tháng 11 CÁN B TS H NG D N n CH NHI M B NG KHOA KTXD O L IC hoàn thành lu n s c a th y cô, b s n l c c a b n thân Tơi xin bày t lịng bi t i Th ng d n: TS H th y t n PGS.TS Tr n Tr ng d c, nh i h c t p th c hi n lu Tôi xin chân thành c m Th r t nhi Tôi xin chân thành c om c l i c o vi n H Nha tơi có th hồn thành lu y B u ki n t t nh ki n th c a tin h c ih c h c t p nghiên c u trau d i nh ng ki n th c hồn thành lu Tơi xin chân thành c ng nghi p Vi n Khoa h c Th y l i Mi n u ki n cung c p nh u quý giá ph c v làm lu t nghi p Tôi xin chân thành c n bè, nh i thân chia s bu n vui h c t p cu c s ng Cu i xin c u ki tơi hồn thành t t lu TĨM T T LU Trong nh c s t l b sông vô ph c t p nguy hi m S s t l c t nông nghi p, nhà c a tính m ng i dân Khu v c sông Ti tr ng, ng n qua th xã Sa s t l nghiêm i s ng nhân dân phát tri n kinh t xã h i c ng d ng vi n thám giám sát bi ng b c n thi theo dõi d báo nh a lu d ng công ngh vi s t l b sơng m t cách nhanh chóng hi u qu D li u s d ng nh vi d ng công th c c i ti i gian Landsat t i v i nh i v i nh b b nh vi a ng nh t s Tích h i gian S d ch ng b rút trích t tính tốn phân tích s bi ng b sơng Áp d ng thu t tốn h i quy d báo bi ng ng ng b ABSTRACT In recent years, the erosion of riverside is incredibly complicated and dangerous The landslide has caused damage to houses, agricultural land, and local people's lives The Tien River valley of Sadec town has been eroded very seriously and this has affected the life, social, and economy of the locality The application of remote sensing in monitoring shoreline change is necessary to monitor and predict the change in the future The purpose of this thesis is to use remote sensing technology to analyze and assess riverbank change quickly and efficiently Landsat images from 1976 to 2009 in the studied area are collected The improved formula (B3+ B4)/ B1 for Landsat MSS and (B5+B4) / B2 for Landsat TM and ETM+ are used to extract shoreline from images by means of band ratio GIS tool is used to overlay extracted shoreline from multi-temporal satellite images In additions, the change rates of the riverbank are calculated by DSAS Finally, the change in the future is predicted by using linear regression algorithm L A TÁC GI LU t c nh ng lu c hi n b t k tài li u nào, n u có tham kh o tài li u khác c trích d n c th T t c tài li u ph c v th c hi n lu khoa h c th c t c hi tài hay nghiên c c nghi m thu Tôi xin ch u trách nhi m v nh c hi n lu c a i th c hi n lu Nguy Danh m c ch vi t t t GIS Geographic Information System DSAS Digital Shoreline Analysis System RS Remote Sensing BV Brightness Value DN Digital Number GPS Global Positioning System DEM Digital Elevation Model DTM Digital Terrain Model USGS United State Geological Society US Army US Army Corporation of Engineers PAN Panchromatic AOE Average of Eras AOR Average of Rate EPR End Point Rate JKR Jack Knife Rate LRR Linear Regression Rate MSS Multi Spectra Scanner TM Thematic Mapper ETM+ Enhanced Thematic Mapper PCA Principal Component Analysis GCP Ground Control Point NDVI Normalised Difference Vegetation Index LR2 R-squared of Linear Regression LSE Linear Regression Standard Error HVTH: [1] MSHV:11104475 10 10 13 13 2.2 Các ngu 13 15 15 17 20 20 23 27 27 27 HVTH: [2] MSHV:11104475 28 29 32 32 34 34 36 36 38 46 47 48 49 49 49 49 IV.1.2 Internet 52 52 24 ng ngày 21/2/1996[31] 25 26 26 30 30 [3] HVTH: MSHV:11104475 32] 31 Hình 12: S 32 - 36 37 - 2008 38 39 41 41 53 11 12 20 n [5] [30] 21 23 24 25 33 39 42 43 44 44 45 Tính 56 6: 60 [47] HVTH: MSHV:11104475 III.1 Tình dịng sơng, nên mang tính Sa éc (B4+B3)/B1; : (B5+B4)/B2; trung bình 23.2 42.5 cịn hay HVTH: [48] MSHV:11104475 III REDSat-1 (Viet Nam Resources Environment & Disaster-monitoring Satellite GI - [49] HVTH: IV.1.1 [1] Lê M MSHV:11104475 n bi n lòng d , Nhà xu t b n Nông Nghi p, 2003 [2] , - Campuchia, [3] Ph m Tích Xuân, Tr n Tr ng Hu ns tl b sông khu v c t nh mi n núi phía b cl pc [4] Lê M c o Nguyên, Ph m Bách Vi t, u d báo phịng ch ng xói l b sơng C d án khoa h c công ngh c [5] c, Vi n Khoa h c Th y l i Mi n Nam 2001 , Giáo trình V Nxb H [6] Nguy n T D n, Nguy n Th Ti d i ven bi Báo cáo t ng k t ng b ng Sông H Tp HCM bi ng c a c a sơng T p chí khoa h c công ngh bi n T3, S Tr 25-35 [7] Ph m Th m o, H ct ng , 2009 ng Science & Technology Development, Vol 12, No.12 - 2009 [8] Ph m Bách Vi o Nguyên Ph m Th li u vi n thám cho nghiên c u di n bi cáo h i ngh khoa h ng b bi n phía Nam Vi t N d Báo i h c Bách Khoa, Tp HCM V.1.2 [9] Aksehir, A.A., Ghorbanali, A., Nouri, N (2007) Coastline Change Detection International Journal of Environmental Science of Technology, 4(1), pp 61-66 [10] Guariglia, A., Buonamassa, A., Losurdo, A., Saladino, R., Trivigno M., Zaccagnino, A and Colangelo, A (2006) A Multisource Approach for Coasline [50] HVTH: MSHV:11104475 Annals of Geophysics, 49(1), pp 295-304 [11] Siddiqui, M N and Maajid S (2004) Monitoring of Geomorphological Advances in Space Research, 33(7), pp 1200-1205 [12] Philip-Neri Jayson-Quashigah, Kwasi Appearing Addo, and Kufogbe Sosthenes Kodzo, 2013 Medium Resolution satellite imagery as atool for monitoring shoreline change Case study of the Eastern coast of Ghana Journal of Coastal Research,Special Issue No 65,2013, pp.511-516 [13] Neamat Karimi & Dr Mohammad Reza Mobasheri (2012) analysis of Urmia Lake using multi-temporal satellite images Computer and Information Science, Vol 5, No 5; 2012 [14] Maged Bouchahma & Wanglin Yan (2012) Automatic Measurement of Shoreline Change on Djerba Island of Tunisia Computer and Information Science, Vol 5, No 5; 2012 [15] Weifu Sun, Jie Zhang, Guangbo Ren, Yi Ma, Shaoqi Ni (2013) Coastline Remote Sensing Monitoring and Change Analysis of Laizhou Bay From 1978 to 2009 International Conference on Remote Sensing, Environment and Transportation Engineering (RSETE 2013), Vol 7, pp 39-42, 2013 [16] Maged Bouchahma, Wanglin Yan & Mohamed Ouessar (2012) Island Coastline Change Detection Based on Image Processing and Remote Sensing Computer and Information Science, Vol 5, No 3; May 2012 [17] Sanjeevi Shanmugam, Jayaprakash Nayak (2013) Remote Sensing and Field Studies to Evaluate the Performance of Groynes in Protecting an Eroding Stretch of the Coastal City of Chennai GIS Ostrava 2013-Geoinformatics for City Tranformation, Otrava, 2013 [18] Albuquerque, M., Espinoza, J., Teixeira, P., de Oliveira, A., Correa, I., Calliari, L., (2013) Erosion or Coastal Variability: An Evalution of the DSAS and the [51] HVTH: MSHV:11104475 change polygon methods for the Determination of Erosive Processes on Sandy Journal of Coastal Research, Special Issue, No 65, pp 1710-1714 Integrated Remote sensing and GIS for calculating Shoreline Change in Phan Thiet Coastal Proceedings of International Symposium on Geoinformatics for Spatial Infrastructure Development in Earth and Allied Sciences, pp 153-158 erve International Symposiumon Geoinformatics for Spatial Infrastructure Development in Earth and Allied Sciences: 351-356 ng River, GIS Development, 6/10: 33-35 The Asian GIS Monthly [22] Ph o (2012) Monitoring shoreline Change in the Coastal Area ; October, 2012 [23] Pham Bach Viet time-Series remotely Sensed Data to Trace Historical Changes of LocAn River Proceedings of International Symposiumon Geoinformatics for Spatial Infrastructure Development in Earth and Allied Sciences: 172-177 [24 Proceedings of International Symposium on Geoinformatics for Spatial Infrastructure Development in Earth and Allied Sciences: 151-156 Asian Conference on GIS, GPS, Aerial photography and Remote sensing, BangkokThailand, Aug 2002 [26] Lâm Dao Nguyen, Nguyen Thanh Minh, Pham Thi Mai Thi, Hoang Phi Phung [52] HVTH: MSHV:11104475 river International Archives of the Photogrammetry, Remote Sensing and spatial Information Science, Volume XXXVIII, Part 8, Kyoto Japan 2010 [27 A Shoreline Analysis using Internationnal Journal of Geoinformatics, 4(1), pp 37-42 IV.1.2 Internet [28] http://www.dongthap.gov.vn/dore/pages/index.asp?p=5111 [29] http://www.crrel.usace.army.mil/library/othergovernment/rsmnl.pdf US Army corps of Engineers (2003), Engineering and Design Remote Sensing Engineer Manual No 1110-2-2907 [30] http://www.geoviet.vn/TechConner [31] http://www.wxtide32.com/ [32] http://speclib.jpl.nasa.gov/ Engineering and Design Remote Sensing [53] HVTH: Hình 19: Hình 20 MSHV:11104475 [54] HVTH: Hình 21 Hình 22 MSHV:11104475 [55] HVTH: Hình 23 Hình 24 MSHV:11104475 [56] HVTH: MSHV:11104475 Hình 25 15: T OBJECTID TransectId BaselineId 1 1 1 1 10 11 12 13 14 15 16 17 18 ShorelineI 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 Distance 63.859 88.805 174.507 133.121 175.294 175.089 210.269 210.269 255.261 255.045 308.678 308.678 235.717 260.608 304.932 309.593 334.787 339.487 IntersectX 583112.280 583094.266 583032.384 583062.267 583183.974 583184.130 583157.535 583157.535 583276.780 583276.946 583235.780 583235.780 583365.192 583345.339 583309.988 583306.270 583396.646 583392.793 IntersectY 1140525.596 1140508.338 1140449.048 1140477.679 1140339.033 1140339.167 1140316.137 1140316.137 1140168.557 1140168.696 1140134.316 1140134.316 1140031.620 1140016.605 1139989.867 1139987.055 1139899.571 1139896.881 [57] HVTH: OBJECTID TransectId BaselineId 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 10 38 10 39 10 40 10 41 11 42 11 43 11 44 11 45 12 46 12 47 12 48 12 49 13 50 13 51 13 52 13 53 14 54 14 55 14 56 14 57 15 58 15 59 15 60 15 ShorelineI 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 Distance 374.488 374.488 241.872 280.103 348.990 325.745 244.208 254.880 302.485 302.485 200.238 217.648 276.826 232.958 235.033 275.893 317.135 317.135 226.644 333.839 401.304 377.773 213.284 330.450 366.927 366.927 280.253 338.757 375.139 375.139 407.506 407.659 448.758 448.758 355.583 449.506 524.435 489.247 413.293 457.425 501.313 499.964 MSHV:11104475 IntersectX 583364.095 583364.095 583514.155 583482.330 583424.984 583444.335 583584.242 583575.055 583534.075 583534.075 583664.773 583649.580 583597.938 583636.220 583767.447 583732.696 583697.620 583697.620 583904.951 583817.602 583762.627 583781.802 583992.770 583901.207 583872.700 583872.700 584064.266 584020.548 583993.361 583993.361 584143.334 584143.225 584113.816 584113.816 584265.350 584200.644 584149.024 584173.265 584354.466 584324.320 584294.340 584295.261 IntersectY 1139876.843 1139876.843 1139766.661 1139745.477 1139707.307 1139720.187 1139593.939 1139588.508 1139564.281 1139564.281 1139425.681 1139417.179 1139388.280 1139409.703 1139295.962 1139274.470 1139252.777 1139252.777 1139219.680 1139157.544 1139118.437 1139132.077 1139086.908 1139013.806 1138991.047 1138991.047 1138904.684 1138865.807 1138841.631 1138841.631 1138692.891 1138692.784 1138664.075 1138664.075 1138586.239 1138518.160 1138463.849 1138489.355 1138469.348 1138437.117 1138405.064 1138406.049 [58] HVTH: OBJECTID TransectId BaselineId 61 16 62 16 63 16 64 16 65 17 66 17 67 17 68 17 69 18 70 18 71 18 72 18 73 19 74 19 75 19 76 19 77 20 78 20 79 20 80 20 81 21 82 21 83 21 84 21 85 22 86 22 87 22 88 22 89 23 90 23 91 23 92 23 93 24 94 24 95 24 96 24 97 25 98 25 99 25 100 25 101 26 102 26 ShorelineI 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 Distance 451.038 456.038 505.721 505.721 441.517 480.950 536.289 516.721 478.049 495.093 586.485 551.373 511.819 549.108 671.594 615.718 450.250 520.570 594.842 621.522 459.606 562.570 682.370 681.120 510.263 607.366 728.391 742.860 524.738 607.747 747.476 771.535 487.602 642.244 827.156 827.156 546.717 729.430 947.934 974.131 487.016 732.441 MSHV:11104475 IntersectX 584419.959 584416.712 584384.444 584384.444 584534.776 584510.848 584477.269 584489.143 584666.268 584656.865 584606.445 584625.816 584794.126 584775.284 584713.393 584741.627 584923.055 584888.513 584852.030 584838.925 585065.798 585015.517 584957.016 584957.626 585202.583 585159.954 585106.821 585100.469 585345.745 585315.546 585264.711 585255.958 585521.340 585478.551 585427.387 585427.387 585731.983 585690.457 585640.797 585634.843 585901.962 585852.585 IntersectY 1138303.617 1138299.816 1138262.036 1138262.036 1138185.122 1138153.778 1138109.792 1138125.346 1138065.426 1138051.211 1137974.985 1138004.270 1137945.850 1137913.671 1137807.972 1137856.191 1137886.549 1137825.297 1137760.603 1137737.364 1137824.980 1137735.127 1137630.582 1137631.674 1137704.991 1137617.746 1137509.007 1137496.007 1137584.992 1137507.672 1137377.518 1137355.107 1137525.364 1137376.760 1137199.067 1137199.067 1137464.370 1137286.439 1137073.653 1137048.141 1137464.675 1137224.269 [59] HVTH: OBJECTID TransectId BaselineId 103 26 104 26 105 27 106 27 107 27 108 27 109 28 110 28 111 28 112 28 113 29 114 29 115 29 116 29 117 30 118 30 119 30 120 30 121 31 122 31 123 31 124 31 125 32 126 32 127 32 128 32 129 33 130 33 131 33 132 33 133 34 134 34 135 34 136 34 137 35 138 35 139 35 140 35 141 36 142 36 143 36 144 36 ShorelineI 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 Distance 920.805 1008.322 426.411 824.864 1003.207 1119.700 379.702 690.117 994.475 1026.224 378.525 621.467 980.344 1038.793 374.376 678.980 1037.236 1098.250 376.075 620.512 1099.989 1214.997 361.964 539.777 1012.912 1261.623 357.965 541.897 933.488 1290.348 302.710 425.517 843.994 1204.228 242.925 366.768 790.956 1178.251 216.315 307.862 726.522 1081.804 MSHV:11104475 IntersectX 585814.687 585797.079 586117.524 586040.525 586006.061 585983.549 586293.862 586227.736 586162.900 586156.137 586530.917 586506.228 586469.759 586463.819 586760.092 586752.533 586743.642 586742.128 586985.467 586998.403 587023.777 587029.863 587191.185 587205.681 587244.252 587264.527 587370.644 587386.278 587419.563 587449.896 587564.472 587574.320 587607.878 587636.766 587759.134 587768.799 587801.901 587832.124 587948.388 587955.532 587988.203 588015.928 IntersectY 1137039.756 1136954.030 1137526.210 1137135.267 1136960.287 1136845.990 1137496.864 1137193.574 1136896.202 1136865.181 1137464.951 1137223.267 1136866.248 1136808.102 1137467.256 1137162.746 1136804.601 1136743.605 1137495.084 1137250.989 1136772.184 1136657.337 1137523.444 1137346.223 1136874.663 1136626.780 1137585.813 1137402.547 1137012.373 1136656.804 1137643.598 1137521.187 1137104.057 1136744.984 1137706.000 1137582.535 1137159.640 1136773.526 1137763.769 1137672.501 1137255.118 1136900.920 [60] HVTH: OBJECTID TransectId BaselineId 145 37 146 37 147 37 148 37 149 38 150 38 151 38 152 38 153 39 154 39 155 39 156 39 157 40 158 40 159 40 160 40 ShorelineI 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 1989/01/08 1996/02/21 2002/12/14 2009/12/09 MSHV:11104475 Distance 190.443 251.681 612.145 974.218 132.543 194.966 471.051 854.808 135.035 163.424 321.715 555.405 81.121 113.759 225.548 498.470 IntersectX 588144.758 588149.307 588176.082 588202.977 588332.481 588333.371 588337.306 588342.776 588532.496 588532.901 588535.157 588538.488 588731.545 588731.945 588733.315 588736.660 IntersectY 1137795.230 1137734.161 1137374.693 1137013.621 1137855.469 1137793.052 1137516.995 1137133.277 1137855.827 1137827.441 1137669.167 1137435.500 1137912.585 1137879.949 1137768.169 1137495.267 16: T OBJECTID TransectId 1 2 3 4 5 6 7 8 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 LRR 4.210 2.010 3.060 3.820 2.210 4.600 3.190 2.260 4.130 7.500 7.170 4.620 2.360 6.850 4.370 3.060 4.040 4.460 6.230 8.450 11.280 11.770 LR2 0.880 0.890 0.890 0.930 0.840 0.750 0.860 0.880 0.890 0.760 0.780 0.860 0.800 0.810 0.880 0.830 0.850 0.840 0.820 0.970 0.890 0.930 LSE 17.980 11.310 17.230 11.890 10.610 29.220 14.090 31.580 15.830 46.680 41.590 20.630 13.160 47.720 17.530 15.240 25.350 36.920 33.310 17.410 32.800 35.850 [61] HVTH: OBJECTID TransectId 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 LRR 12.640 17.300 21.570 25.210 32.520 32.270 33.620 36.360 43.030 45.540 45.790 44.820 46.360 43.270 38.910 35.060 20.370 19.580 MSHV:11104475 LR2 0.940 0.900 0.930 0.960 0.930 0.920 0.940 0.940 0.950 0.970 0.980 0.960 0.950 0.940 0.930 0.920 0.900 0.860 LSE 34.740 64.420 66.130 55.350 100.700 106.770 93.430 102.560 107.400 89.900 75.890 104.580 111.030 115.400 119.220 116.900 74.260 86.640 ... ngành: Nguy -03B MSHV: 11104475 vi n thám GIS Mã s 60 44 76 TÀI : NG D NG VI N THÁM TRONG GIÁM SÁT BI N NG NG B NHI M V VÀ N I DUNG: Thu th p d li u nh vi n thám th m 1976, 1989, 1996, 2002, 2009... c giám sát bi giám sát ng b b ng c tr c ti p, g n thi t b c m bi n s g ph m vi r ng l n, kinh phí th i gian r t t n Nghiên c th y vi c ng d ng ng b b ng nh t s thám s d ng DSAS th ng kê d giám. .. nghiên c : T n m c t i thi u v i c a i dân c kh c ph c gi i quy t n u ta giám sát ng b Xu t phát t d ng Vi n thám giám sát bi báo cáo c i s ng kinh t xã h i an ninh c ng m c s ng c ng V c khu
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