Figure S3.6 Probable 1% Hydrograph Main Flood at Dinh Binh, Cay Muong and Binh Thanh

Probable 1% Main Flood Dinh BinhPeak Discharge: 4821 m3/s, Volume: 590 Mm3

0500

10001500200025003000350040004500500055006000650070007500

0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00

time (hours)

disc

harg

e (m

3/s)

Probable 1% Main Flood Cay MuongPeak Discharge: 6270 m3/s, Volume:840 Mm3

0500

10001500200025003000350040004500500055006000650070007500

0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00

time (hours)

disc

harg

e (m

3/s)

1987 Historical Flood

Probable 1%Main Flood Binh ThanhPeak Discharge: 7370 m3/s, Volume: 1050 Mm3

0500

10001500200025003000350040004500500055006000650070007500

0.00 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00

time (hours)

disc

harg

e (m

3/s)

F-17

Figure S3.7 Probable 1% Hydrograph Early Flood at Dinh Binh, Cay Muong and Binh Thanh

Probable 1% Early Flood Dinh BinhPeak Discharge: 823 m3/s, Volume: 83 Mm3

0

200

400

600

800

1000

1200

1400

0 10 20 30 40 50 60 70 80

time (hours)

disc

harg

e (m

3/s)

Probable 1% Early Flood Cay MuongPeak Discharge: 1070 m3/s, Volume: 134 Mm3

0

200

400

600

800

1000

1200

1400

0 10 20 30 40 50 60 70 80

time (hours)

disc

harg

e (m

3/s)

Probable 1% Early Flood Binh ThanhPeak Discharge: 1258 m3/s, Volume: 180 Mm3

0

200

400

600

800

1000

1200

1400

0 10 20 30 40 50 60 70 80

time (hours)

disc

harg

e (m

3/s)

F-18

Figure S3.8 Probable 10% Hydrograph Late Flood at Dinh Binh, Cay Muong and Binh Thanh

Probable 10% Late Flood Binh ThanhPeak Discharge: 1,800 m3/s, Volume: 324 Mm3

0200400600800100012001400160018002000

0 10 20 30 40 50 60 70 80

time (hours)

disc

harg

e (m

3/s)

Probable 10% Late Flood Dinh BinhPeak Discharge: 1180 m3/s, Volume: 148 Mm3

0

500

1000

1500

2000

0 10 20 30 40 50 60 70 80

time (hours)

disc

harg

e (m

3/s)

Probable 10% Late Flood Cay MuongPeak Discharge: 1530 m3/s, Volume: 241 Mm3

0200400600800100012001400160018002000

0 10 20 30 40 50 60 70 80

time (hours)

disc

harg

e (m

3/s)

F-19

F-20

109゜00' 109゜20'108゜40'

13゜40'

14゜00'

14゜20'

14゜40'

13゜40'

14゜00'

14゜20'

14゜40'

109゜00' 109゜20'108゜40'

AN LAO

HOAI NHON

HOAI AN

VINH TANH

PHU MY

PHU CAT

TAY SON

AN NHON

TUY PHUOC

QUY NHON

VAN CHAN

KRONG PAThe Study on Nationwide Water Resources

Development and Managementin the Socialist Republic of Vietnam

JAPAN INTERNATIONAL COOPERATION AGENCY

Urban Domestic Water Demand in EachUrban Center in 2020

Figure S3.10

K BANG

AN KHE

KONG CHRO

A YUN PA

DUC PHO

BA TO

DONG XUAN

SONG CAU

0 25km155 10

N

Vinh Son Dam

Thuan Ninh Dam

Nui Mot Dam

Dinh Binh Dam

Hoi An Dam

Van Phong Weir

< Legend >

RiverRoadDam (Existing)Dam (Plan)Catchments AreaDistrict BoundaryProvince BoundaryUrban CenterUrban Domestic

Water Demand in 2020

Ngo May

Dap Da

Binh Dinh

Tuy Phuoc

Dieu Tri

Quy Nhon

Phu Phuong

[ m3/d]

[5,067m3/d]

[5,067m3/d]

[4,874m3/d]

[83,809m3/d]

[2,089m3/d]

[3,773m3/d]

[3,144m3/d]

Phu My[3,179m3/d]

F-21

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of Vietnam

Figure S3.11

JAPAN INTERNATIONAL COOPERATION AGENCY

Schematic Presentation of Rural Domestic and IndustrialWater Demand in 2020

LEGEND: Rural DomesticWater Demand:Rural Industrial WaterDemand: Industrial Zone WaterDemand

Sea

Dinh Binh Dam

1,276m3/d [Vinh Thanh District]

49,620m3/d

Van Phong Weir

8,624m3/d [Phu Cat District]

5,794m3/d [Tay Son District]

45,217m3/d

7,794m3/d

[Tuy Phuoc District]

7,190m3/d

[An Nhon District]

1,062m3/d

[Van Canh District]

976m3/d

[Quy Nhon]

21,000m3/d

70,000m3/d

17,500m3/d

Nhon Hoi I.Z

Long My I.Z

Phu Tai I.Z

100,530m3/d

(Apex of Delta)

Binh Thanh

F-22

The Study on Nationwide Water Resources

Development and Management in the Socialist Republic of Vietnam

JAPAN INTERNATIONAL COOPERATION AGENCY

Figure S3.12 Schematic Model of Water Balance Analysis

Vinh Thanh

SEA

SEA

Domestic and Industry Dams

Existing

Proposed

Irrigation Area

Proposed

Existing Existing

LEGEND

Proposed

Suoi Chiep

Suoi

Chi

nh

Qua

ng H

ien

Suoi

But

Ha Thanh River

Da

Mai

Long

My

Long

My1

Phu Tai

Ha Thanh

Ha Thanh

Ha Thanh

Cay Da

To b

e ca

ncel

ed

in th

e Fi

nal M

/P

La Tinh

Vinh Son

Dinh Binh

Kone River

Nui Mot

Thuan Ninh

Go Cham River

Dap Da River

Tan An River

Van Phong Van Phong

Dong Sim

Phu Phong

Dap Da

Go Cham

Tan An

Tan An

Nha Phu

Thuan Weir

Thuan Hat

Ha Bac

Dap Da Lao Tam

Thu

Thie

n

Nui

Tha

p

Binh Thanh

Vinh Thanh

Hon Lap H

on G

a

Suoi

Cha

y

My

Thua

n

Truo

ng S

on

Bo Ngo

Ha Nhe

Paper Mill

F-23

Figure S3.13 Design Flood Hydrograph of 5% Probable Late Flood

0

500

1,000

1,500

2,000

2,500

3,000

3,500

0 12 24 36 48 60 72

Time (hour)

Dis

char

ge (m

3 /s)

Dinh BinhBinh ThanhF-24

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of Vietnam

Figure S3.14

JAPAN INTERNATIONAL COOPERATION AGENCYDistribution of Flood Control Facilities ofKone River

Quy NhonCity

Thi Nai Swamp

Thuan Ninh Reservoir

Binh DinhTown

Dinh Binh Reservoir

Tay SonTown

Nui Mot Reservoir

River ChannelImprovement

River ChannelImprovement

Beo River

Cay Muong

Binh Thanh

F-25

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of Vietnam

Figure S3.15

JAPAN INTERNATIONAL COOPERATION AGENCYDesign Discharge Distribution of KoneRiver Delta

Quy NhonCity

Thi Nai Swamp

Thuan Ninh Reservoir

Binh DinhTown

Tay SonTown

Nui Mot ReservoirBeo River

Cay Muong

Binh Thanh

Q=614m3/s

Q=627m3/s

Q=1,077m3/sQ=868m3/s

Legned:Q=10m3/s : Design Discharge

(1,960m3/s: Basic Discharge

Q=647m3/sQ=856m3/sQ=1,693m3/sQ=1,743m3/s

F-26

221

293

376

221

293

376

221

293

376

2,000

2,500

3,000

3,500

4,000

4,500

5,000

5,500

200 250 300 350 400Dinh Binh Dam Flood Control Volume (MCM)

Floo

d Pe

ak a

t Bin

h Th

anh

(m3/

s)

Figure S3.16 Relationship Between Dinh Binh Dam Flood Control Volume and Probable Major Flood Peak Discharge at Binh Thanh

10Year

20Year

50Year

221

293

376

10

11

12

13

14

15

200 250 300 350 400Dinh Binh Dam Flood Control Volume (MCM)

Floo

d C

ontro

l Ben

efit

(milli

on U

S$)

Figure S3.17 Relationship Between Dinh Binh Dam Flood Control Volume and Expected Flood Damage to be Mitigated

F-27

Phu My

Dieu Tri

Ngo May

Tuy Phuoc

Phu Phuong

Dap Da

Binh Dinh

Suoi Chiep Dam

Phu Tai Dam

109゜00' 109゜20'108゜40'

13゜40'

14゜00'

14゜20'

14゜40'

109゜00' 109゜20'108゜40'

0 25km155 10

Vinh Son Dam

Thuan Ninh Dam

Nui Mot Dam

Hoi Son Dam

N

Van Phong Weir

Dinh Binh Dam

108゜40' 109゜00'

13゜40'

14゜00'

14゜20'

13゜40'

14゜00'

14゜20'

< Legend >

RiverRoadBasin BoundaryUrban CenterDam (Existing)Dam (Planning)WeirReforestaion AreaHeightening of Sea DikeRiver ImprovemnetIndustrial Zone

PipelineExistingUnder ConstructionProposed

IrrigationExisting AreaNew Development Project Area related to Dinh Binh DamNew Independent Development Project Area

Canal

Quy Nhon

Nui HoiIndustrial Zone

Long MyIndustrial Zone

Phu TaiIndustrial Zone

Kone R

iver

Ha Th

anh Rive

r

La T

inh R

iver

Figure S3.18Location Map of Integrated River BasinManagement PlanJAPAN INTERNATIONAL COOPERATION

AGENCY

The Study on Nationwide Water ResourcesDevelopment and Management

in the Socialist Republic of Vietnam

Thuan Phong Dam

National Road No.19

National R

oad No.1

To H

o Chi M

in

To H

anoi

To An Khe Prei Ku

East Sea

Gia Lai Province

Binh Dinh Province

Kon Tum Province

Phu Yen Province

F-28

F-29