Time Series. Time Series

Transcription

1 1992 Flood at Cua Dat (instaneous peak discharge: 422m3/s) 2, Time Series 2, Discharge historical [m3/s] 2, 2, 1,8 1, 1, 1, Time M1 QH Chu Basin Area Rainfall (upstream Cua Dat) Time Series Area rainfall [mm] Time CHA1 PA Figure B.7 (1/2) Typical Flood Chu River at Cua Dat BF-7

2 1994 Flood at Cua Dat (instaneous peak discharge: 356m3/s) 2, Time Series 2, Discharge historical [m3/s] 1,8 1, 1, 1, Time M1 QH Chu Basin Area Rainfall (upstream Cua dat) Area rainfall [mm] Time Series Time CHA1 PA Figure B.7 (2/2) Typical Flood Chu River at Cua Dat BF-8

3 1996 Flood at Cam Thuy (instaneous peak discharge: 527m3/s) 5, Time Series Discharge historical [m3/s] 4, 4, 3, 3, 2, 2, 1, Time M3 QH Ma Basin Area Rainfall (upstream Cam Thuy) Time Series Area rainfall [mm] Time MA1 PA Figure B.8 Typical Flood Ma River at Cam Thuy BF-9

4 N L A O International Boundary Basin Boudary Sub-basin Boundary Selected Hydrometeorological station (R) Rainfall, (Q) Discharrge 2 Muong Xen(R) N Mo River Ca River Hieu River Quy Chau (R) Nghia Khanh (R) BF-1 Catchment Area Ca River Basin (Total) 29,85km 2 N Mo 3,75km 2 Hieu 5,29km 2 Giang 1,9km 2 Ngan Pho 1,12km 2 Ngan Sau 2,9km 2 Lower Area 4,42km 2 L A O Con Cuong(R) Mon Son (R) Son Diem (R)(Q) A=79km 2 Dua (Q) A=2,8km 2 Giang River Do Luong (R) Ngan Pho River Yen Thuong(Q) A=23,km 2 Lower Area A=4,42km 2 Vinh (R) Hoa Duyet (R)(Q) A=1,88km km Ngan Sau River 18 Figure B.9 Location Map Ca River Basin

5 Log-Normal Distribution (Yearly maximum discharges) 55, 5, 45, 4, 35, 3, 25, 2, 15, 1, , 5, regression Line lower confidence limit data Log-Normal Distribution mx = 8.11 sx =.54 X =. 95% Confidence Interval s (Yearly maximum discharges) , 26, 25, 24, 23, 22, 2 2, 19, 18, 17, 16, 15, 14, 13, 12, 1 1, 9, 8, 7, 6, 5, 4, 3, 2, regression Line reduced variate observed f requencies low er confidence limit data B = X = % Confidence Interval Figure B.1 Ca River at Dua BF-11

6 1978 Flood at Dua (instaneous peak discharge: 1,m3/s) 1, Time Series Discharge historical [m3/s] 9, 8, 7, 6, 5, 4, 3, 2, Time CA5 QH CA5 QH (3/1) Ca Basin Area Rainfall (upstream Dua) Time Series Area rainfall [mm] Time CAA1 PA Figure B.11 Typical Flood Ca River at Dua BF-12

7 17 ' N International Boundary Basin Boudary Sub-basin Boundary Selected Hydrometeorological station (R) Rainfall, (Q) Discharrge 17 ' Dong Ha (R) Lower Area Rao Quan River Cam Lo River Vinh Phuoc River Thach Han (R) Khe Sanh (R) Quang Tri (Thach Han) River 16 4' LAO 16 2' km Catchment Area Thach Han (Total) 2,55km 2 QuangTri (Thach Han ) 1,39km 2 Lower Area 37km 2 Figure B.12 Location Map Thach Han River Basin BF-13

8 Log-Normal Distribution (One-day yearly maximum area rainfall in mm) 1, 1,15 1,1 1, , 5 regression Line lower confidence limit data Log-Normal Distribution mx = 5.12 sx =.38 X =. 95% Confidence Interval (One-day yearly maximum area rainfall in mm) , regression Line low er confidence limit data B = X = % Confidence Interval Figure B.13 (1/2) of Area Rainfall Upper and Middle Thach Han River BF-14

9 Log-Normal Distribution (One-day early maximum area rainfall in mm) 1,3 1, 1, , 3 1 regression Line lower confidence limit data Log-Normal Distribution mx = 4.44 sx =.52 X =. 95% Confidence Interval (One-day early maximum area rainfall in mm) , regression Line low er confidence limit data B = X = % Confidence Interval early flood season : January-August Figure B.13 (2/2) of Area Rainfall Upper and Middle Thach Han River BF-15

10 BF-16 Figure B.14 Location Map Huong River Basin LAO International Boundary Basin Boudary Sub-basin Boundary Selected Hydrometeorological station (R) Rainfall, (Q) Discharrge A Luoi(R) CoBi(Q) A=72km 2 BinhDien(Q) A=57km Bo 3 km PhuOc(R) 17 3' Lower Huong Huu Trach Hue(R) Tuan Junction Ta Trach Truoi Truoi(Q) NamDong(R) Huong River Basin (Total) 3,3km 2 Ta Trach (Tuan) 79km 2 Huu Trach (Tuan) 67km 2 Bo 72km 2 Lower Huong 46km 2 Lagoon and Truoi Basin 66km 2 DuongHoa(Q) A=717km 2 PhuLoc(R) ThuongNhat(Q) A=28km 2 18 ' N 16 4' 16 2' 16 '

11 Log-Normal Distribution (yearly maximum area rainfall) 2, 2,1 2, 1,9 1,8 1,7 1, 1, 1, 1,3 1, 1, , 1 regression Line lower confidence limit data Log-Normal Distribution mx = 5.55 sx =.41 X =. 95% Confidence Interval (yearly maximum area rainfall) 1, 1,45 1, 1,35 1,3 1,25 1, 1,15 1,1 1, , regression Line low er confidence limit data B = X = % Confidence Interval Figure B.15 (1/2) Bo River at Co Bi BF-17

12 Log-Normal Distribution (yearly early maximum area rainfall) 1, 1,15 1,1 1, , regression Line lower confidence limit data Log-Normal Distribution mx = 4.45 sx =.5 X =. 95% Confidence Interval (yearly early maximum area rainfall) , regression Line low er confidence limit data B = 4.43 X = % Confidence Interval early flood season: January-August Figure B.15 (2/2) Bo River at Co Bi BF-18

13 Log-Normal Distribution (yearly maximum area rainfall) 1, , 15 regression Line lower confidence limit data Log-Normal Distribution mx = 5.65 sx =.27 X =. 95% Confidence Interval (yearly maximum area frainfall) 1,1 1, , regression Line low er confidence limit data B = 62.4 X = % Confidence Interval Figure B.16 (1/2) Huu Trach River at Binh Dien BF-19

14 Log-Normal Distribution (yearly early maximum area rainfall) 4,8 4, 4, 4, 4, 3,8 3, 3, 3, 3, 2,8 2, 2, 2, 2, 1,8 1, 1, 1, , regression Line lower confidence limit data Log-Normal Distribution mx = 4.38 sx =.72 X =. 95% Conf idence Interval (yearly early maximum area rainfall) , regression Line low er confidence limit data B = 65.9 X = % Confidence Interval early flood season: January-August Figure B.16 (2/2) Huu Trach River at Binh Dien BF-2

15 Log-Normal Distribution (yearly maximum one-day area rainfall) 1,25 1, 1,15 1,1 1, , 25 regression Line lower confidence limit data Log-Normal Distribution mx = 5.83 sx =.26 X =. 95% Confidence Interval (yearly maximum one-day area rainfall) 1,3 1,25 1, 1,15 1,1 1, , regression Line low er confidence limit data B = X = % Confidence Interval Figure B.17 (1/2) Ta Trach River u/s Duong Hoa BF-21

16 Log-Normal Distribution (yearly early maximum one-day area rainfall) 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, , regression Line lower confidence limit data Log-Normal Distribution mx = 4.62 sx =.71 X =. 95% Confidence Interval (yearly early maximum one-day area rainfall) 1, 1,15 1,1 1, , regression Line low er confidence limit data B = X = % Confidence Interval early flood season: January-August Figure B.17 (2/2) Ta Trach River u/s Duong Hoa BF-22

17 Log-Normal Distribution (yearly maximum one-day area rainfall) 2,3 2, 2,1 2, 1,9 1,8 1,7 1, 1, 1, 1,3 1, 1, , 1 regression Line lower confidence limit data Log-Normal Distribution mx = 5.48 sx =.44 X =. 95% Conf idence Interval (yearly maximum one-day area rainfall) 1, 1,45 1, 1,35 1,3 1,25 1, 1,15 1,1 1, , regression Line low er confidence limit data B = X = % Confidence Interval Figure B.18 (1/2) Lower Huong Basin BF-23

18 Log-Normal Distribution (yearly early maximum one-day area rainfall) 2, 2,3 2, 2,1 2, 1,9 1,8 1,7 1, 1, 1, 1,3 1, 1, , regression Line lower confidence limit data Log-Normal Distribution mx = 4.58 sx =.59 X =. 95% Confidence Interval (yearly early maximum one-day area rainfall) , regression Line low er confidence limit data B = X = % Confidence Interval early flood season: January-August Figure B.18 (2/2) Lower Huong Basin BF-24

19 17 3' 18 ' 18 3' N International Boundary Basin Boudary Sub-basin Boundary Selected Hydrometeorological station (R) Rainfall, (Q) Discharrge Thanh My (R)(Q) A=1,85km 2 Ai Nghia (R) Da Nang (R) 16 ' Trao (R) 16 ' Boung Vu Gia Nong Son (Q) A=3,13km ' Giang Cai Thu Bon Son Tan (R) Tam Ky Thanh Tra My (R) 15 2' Phu Ninh Reservoir 15 ' 15 ' Vu Gia - Thu Bon River Basin Total 11,51km 2 Thu Bon 3,59km 2 Vu Gia 5,42km 2 Lower Area 1,37km 2 Tam Ky Basin 1,13km km Figure B.19 Location Map Vu Gia - Thu Bon River Basin BF-25

20 Log-Normal Distribution (yearly early maximum discharge) 75, 7, 65, 6, 55, 5, 45, 4, 35, 3, 25, 2, 15, 1, , 5, regression Line lower confidence limit data Log-Normal Distribution mx = 6.53 sx =.79 X =. 95% Confidence Interval Pearson 3 Distribution (yearly early maximum discharge) Extreme Value Distribution Return Peri od , 1, 13, 12, 12, 11, 1 1, 1, 9, 9, 8, 8, 7, Value 7, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 1, Frequency regression Line lower confidence limit data Pearson 3 Distribution G = 1.16 B = X =. 95% Confidence Interval early flood season: January-August Figure B.2 Thu Bon River at Nong Son BF-26

21 Re River N 18 3' 19 ' Basin Boudary Sub-basin Boundary Selected Hydrometeorological station (R) Rainfall, (Q) Discharrge Tra Bon (R) Son Giang (R)(Q) A=2,44km ' Lower Tra Khuc Quang Ngai(R) Tra Khuc River An Chi (Q) A=814km 2 15 ' Coastal Area Dak Selo River Ba To (R) Ve River Gia Vuc (R) 14 4' Catchement Area Tra Khuc River Basin (Total) 5,km 2 Tra Khuc 3,3km 2 Ve 82km 2 Lower Tra Khuc (Delta) 54km 2 Coastal Area 3km 2 Other small basins 51km km Figure B.21 Location Map Tra Khuc River Basin BF-27

22 Log-Normal Distribution (yearly maximum discharge) 6, 55, 5, 45, 4, 35, 3, 25, 2, , 15, 1, 5, regression Line lower confidence limit data Log-Normal Distribution mx = 8.66 sx =.43 X =. 95% Confidence Interval (yearly maximum discharge) 38, 36, 34, 32, 3, 28, 26, 24, 22, , 2, 18, 16, 14, 12, 1, 8, 6, 4, 2, regression Line low er confidence limit data B = X = % Confidence Interval Figure B.22 (1/2) Tra Khuc River at Son Giang BF-28

23 Log-Normal Distribution (yearly early maximum discharge) 13, 12, 11, 1, 9, 8, 7, 6, 5, 4, 3, 2, , 1, regression Line lower confidence limit data Log-Normal Distribution mx = 6.9 sx =.83 X =. 95% Confidence Interval (yearly early maximum discharge) 55,, 45,, 35, 3, 25,, 15, 1, , 5, regression Line lower confidence limit data Log Pearson Distribution G = B =.16 Y = 2.14 X =. 95% Confidence Interval Early Flood Season : January - August Figure B.22 (2/2) Tra Khuc River at Son Giang BF-29