-15.00

-10.00

-5.00

0.00

5.00

10.00

15.00

20.00

25.00

30.00

35.00

0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,000

Chainage (m)

Ele

va

tio

n (

m)

Lowest River-bed

Left Bank

Right Bank

D.H.W.L.

Design Z

Ai Nghia

Q = 6,510 m3/s

F-107

Longitudinal Profile of Thu Bon River in Flood Prone Area

-15.0

-10.0

-5.0

0.0

5.0

10.0

15.0

20.0

0 10,000 20,000 30,000 40,000 50,000 60,000

Distance (m)

Ele

vati

on (

m)

F-108

-4

-2

0

2

4

6

8

10

12

14

16

18

20

22

24

26

28

30

32

34

36

0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000

Distance (m)

Ele

va

tio

n (

m)

Lowest River-bed Left Bank Right Bank Q = 6,040 m3/s

F-109

-4.00

-2.00

0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

16.00

18.00

0 5,000 10,000 15,000 20,000 25,000 30,000

Chainage (m)

Ele

va

tio

n (

m)

Lowest River-bed

Left Bank

Right Bank

HWL

Design River-bed

Dyke Crown

Tan An (H = 7.6 m)

F-110

-5

0

5

10

15

20

25

30

35

40

45

-5,000 0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 40,000 45,000 50,000

Distance (m)

Ele

va

tio

n (

m)

Left Bank Right Bank Lowest River-bed Q = 11,000 m3/s

Phu Lam

F-111

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of VietnamJAPAN INTERNATIONAL COOPERATION AGENCY

Figure 9.9

Proposed Development Plan

in Bang Giang and Ky Cung River Basin

Ban Lai Reservoir

Active Vol : 310 ml. m3

International Boundary

Basin Boundary

Existing Irrigation Scheme

Rehabilitation Project

New Development Project

Existing Dam/Reservoir

Proposed Dam/Reservoir in the Plan

River Improvement (Dyke System)

LEGEND

60 km0 20 40

Ky Cung

CHINA

Bac Giang

Catchment Area

Bang Giang 4,460km2

Ky Cung 4,090km2

Bac Giang 2,700km2

N

BangGiang

Note:

For agricultural development plan,

refer to Table presented in Sub-section 9.1.2

"Formulation of Water Utilization Plan"

Ky Cung

22

23

106 107

F-112

Son La Reservoir

Active Vol : 14,900 ml. m3

Bac Me

Active Vol :

1,055 ml. m3

Hoa Binh Reservoir

Active Vol : 5,650 ml. m3

Dai Thi

Active Vol :

1,091 ml. m3

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of VietnamJAPAN INTERNATIONAL COOPERATION AGENCY

Figure 9.10

Proposed Development Plan

in Red and Thai Binh River Basin

60 km0 20 40

Red (T

hao) River

Chay R

iver

Red & Thai Binh DeltaRed & Thai Binh Delta

Lo R

iver

Gam

Riv

er

Duong RiverDuong River T

hai Binh

River

Thai B

inh River

Catchment Area) Red & Thai BinhRiver Basin (Total) 169,040km2

Thao (confluence of the Da) 51,800km2

Da 52,900km2

Lo (include Gam and Chay) 39,000km2

Cau & Thuong & Luc Nam 12,700km2

Red & Thai Binh Delta 12,640km2

Thac Ba ReservoirThac Ba Reservoir

N

Da River

Cau

Riv

er

T

huong R

iver

Luc Nam River

International Boundary

Basin Boundary

Existing Irrigation Scheme

Rehabilitation Project

New Development Project

Existing Dam/Reservoir

Proposed Dam/Reservoir in the Plan

River Improvement (Dyke System)

LEGEND

Note:

For agricultural development plan,

refer to Table presented in Sub-section 9.1.2

"Formulation of Water Utilization Plan"

102 104 106

23

22

21

22

21

F-113

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of VietnamJAPAN INTERNATIONAL COOPERATION AGENCY

Figure 9.11

Proposed Development Plan

in Ma River Basin

Muong Khuc

Cua Dat

Active Vol : 1,210 ml. m3

Na Han

International Boundary

Basin Boundary

Existing Irrigation Scheme

Rehabilitation Project

New Development Project

Existing Dam/Reservoir

Proposed Dam/Reservoir in the Plan

River Improvement (Dyke System)

LEGEND

LAOS

Am River

Buoi River

Catchment Area Ma River Basin (Total) 31,060km2

Buoi 1,600km2

Chu (confluence of the Am) 6,670km2

Am 790km2

Yen 720km2

Lower Area 3,060km2

60 km0 20 40

N

Chu

River

Ma River

Note:

For agricultural development plan,

refer to Table presented in Sub-section 9.1.2

"Formulation of Water Utilization Plan"

105104103

21

20

106

F-114

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of VietnamJAPAN INTERNATIONAL COOPERATION AGENCY

Figure 9.12

Proposed Development Plan

in Ca River Basin

Ban La

Active Vol : 1,244 ml. m3

Ban Mai

Ngan

International Boundary

Basin Boundary

Existing Irrigation Scheme

Rehabilitation Project

New Development Project

Existing Dam/Reservoir

Proposed Dam/Reservoir in the Plan

River Improvement (Dyke System)

LEGEND

Ca R

iver

Giang Rive r

N Mo River

H

ieuR

iver

Ngan

Pho

Riv er

LAOS

60 km0 20 40

Catchment Area

Ca River Basin (Total) 29,850km2

N Mo 3,750km2

Hieu 5,290km2

Giang 1,090km2

Ngan Pho 1,120km2

Ngan Sau 2,090km2

Lower Area 4,420km2

LAOS

N

106

Note:

For agricultural development plan,

refer to Table presented in Sub-section 9.1.2

"Formulation of Water Utilization Plan"

105104

20

19

18

F-115

International BoundaryBasin BoundaryExisting Irrigation SchemeRehabilitation ProjectNew Development ProjectExisting Dam/ReservoirProposed Dam/Reservoir in the PlanRiver Improvement (Dyke System)

LEGEND

Rao Quan Active Vol : 291 ml. m3

Ta Lour

VinhPhuoc 3

Th

achH

anR

iver

30 km0 10 20

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of VietnamJAPAN INTERNATIONAL COOPERATION AGENCY

Figure 9.13 Proposed Development Plan in Thach Han River Basin

Lower Area

N

Cam Lo River

Vinh Phuoc River

Rao QuanRive r

Thach Han River

Lower Area

LAOS

Note: For agricultural development plan, refer to Table presented in Sub-section 9.1.2 "Formulation of Water Utilization Plan"

107°00'

17°00'

16°40'

16°20'

F-116

The Study on N

ationwide W

ater Resources

Developm

ent and Managem

entin the Socialist R

epublic of Vietnam

JAPA

N IN

TE

RN

AT

ION

AL

CO

OPE

RA

TIO

N A

GE

NC

Y

Figure 9.14

Proposed D

evelopment P

lan in H

uong River B

asin

Ta TrachActive Vol : 538 ml. m3

Co Bi

Huu TrachActive Vol :182 ml. m3

Bo

Riv

er

Huu

Tra

ch

International BoundaryBasin BoundaryExisting Irrigation SchemeRehabilitation ProjectNew Development ProjectExisting Dam/ReservoirProposed Dam/Reservoir in the PlanRiver Improvement (Dyke System)

LEGEND

30 km0 10 20

HoungR

iver

HoungR

iver

Huu Trach Ta Trach

HueHue

LAOS

Note: For agricultural development plan, refer to Table presented in Sub-section 9.1.2 "Formulation of Water Utilization Plan"

N

107°30' 108°00'

16°00'

16°20'

16°40'

F-117