figure 3.1.1 project location for 1987 master planopen_jicareport.jica.go.jp/pdf/11871183_04.pdf ·...
TRANSCRIPT
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the Philippines
JA PA N INT E R NA T IONA L COOPE R A T ION A GE NCY
DABUBU RIVER IRRIGATION SCHEME
CASECNAN TRANSBASIN DIVERSION PROJECT
DIDUYON HYDROPOWER DEVELOPMENT SCHEME
MATUNO MULTIPURPOSE PROJECT
MAGAT RIVER MULTIPURPOSE PROJECT (Improvement O&M)
ALIMIT MULTIPURPOSE PROJECT
SIFFU MULTIPURPOSE PROJECTMALLIG RIVER IRRIGATION SCHEME
MALLIG MULTIPURPOSE PROJECT
CHICO RIVER IRRIGATION SCHEME
NARROW IMPROVEMENT SCHEME
DUMMON RIVER IRRIGATION SCHEME (Rehabilitation)
BAGGAO IRRIGATION SCHEME (Rehabilitation)
SAN PABLO CABAGAN IRRIGATION SCHEME
TUMAUINI IRRIGATION SCHEME (Rehabilitation)
PINACANAUAN IRRIGATION SCHEME (Rehabilitation)
SOLANA IRRIGATION SCHEME (Rehabilitation)
TUGUEGARAO DIKE SCHEME
TUGUEGARAO IRRIGATION SCHEME
CABAGAN DIKE SCHEME
LULUTAN IRRIGATION SCHEME
ILAGAN IRRIGATION SCHEME
GAPPAL IRRIGATION SCHEME
PILOT SCHEME FOR UPLAND DEVELOPMENT (Santor Dam)
ZINUNDUNGAN IRRIGATION EXTENSION SCHEME
ALCALA AMULUNG WEST IRRIGATION SCHEME
TANUDAN HYDROPOWER DEVELOPMENT SCHEME
IBULAO HYDROPOWERDEVELOPMENT SCHEME
PILOT SCHEME FOR UPLAND DEVELOPMENT (Carmencita Pond)
CIADP
CIADP
Proposed
F35
Figure 3.1.1Project Location for 1987 Master Plan
Magat Dam
Toan
Rive
r
Pang
ul R
iver
Tanu
don
Rive
r
Sta. C
ruz Rive
r
Casecnan River
Dummon River
Zinu
ndun
gan
River
Paret River
Tuguegarao River
Matalag R
iver
Chic
o River
Mab aca River
Salta n Rive
r Caga
yan R
iver
Pasil River
Mallig
Rive
r
Siff u River
Magat River
Sabo
ngan
Riv
er
T um auini River
Abuan R iver
Catalangan R
iverCa
g ayan
Riv
er
Disbumgan River
Ibulao RiverDa vid
Rive
r
Dibubu Ri ver
Dibuluan River
Ilaga
n Ri
ver
Diduyo
n Ri
ver
Addalam River
Kas ibu River
Cad
a cla
n R
iver
1
253
7
3
45
6
28
9
16
11
10
12
1317
14
18
20
1121
25
27
958
23
268
57
15
19
24
28
29 55
13 31
5
5610
47 32
30
3
1514
5433
592
434
48
46
36
3545
737
38
60
64
63
61
39
40
50
41
BabuyanChannel
PhilippineSea
121。30'
121。00'
122。00'
18。
00'
17。
30'
17。
00'
16。
30'
16。
00'
Climatological StationNo. Station Name No. Station Name1�2�3�4�5�6�7�8
AparriTuguegaraoEchagueSanto DomingoBaretbetAlimanao R.ConsueloBaligatan
9�10�11�12�13�14�15
LagaweWacalBontocBayombongHapidMalasinSan Isidro
Rainfall Gauging StationNo. Station Name1�2�3�4�5�6�7�8�9�10�11�12�13�14�15�16�17�18�19�20�21�22�23�24�25�26�27�28�29�30�31�32�33�34�35�36�37�38�39�40�41�42�43�44�45�46�47�48�49�50�51�52�53�54�55�56�57�58�59�60�61�62�63�64
AparriLal-loAggunetanBitag GrandeImurungBauanTuaoTuguegaraoBagabbaPinukpukSalegsegTomianganNanengGuilguilaTumauiniCabaganLubuaganBasaoIlaganBanga-anBontocBarligBaukoReina MercedesMt. PolisMt. DataNamulditanLagaweNayonEchagueDiadiSolanoBayombongBaratDupaxMalicoImuganConsueloGabongDakganCasiguranTaanUpper CasecnanAuroraAritaoKayapaWacalBantiConwapDippadiwTabayongLiasSan FranciscoCabarroguisHapid. LamutBaretbetBaligatanPoblacion LagaweSto DomingoKasibuKamamasiBiyoyAlayan�Packet
0 10 20(km)
Scale
30 40 50
N
Climatological StationRainfall Gauging Station
LEGEND
Figure 5.2.1Location of Meteorological Stations
Magat Dam
Toan
Rive
r
Pang
ul R
iver
Tanu
don
Rive
r
Sta. C
ruz Rive
r
Casecnan River
Dummon River
Zinu
ndun
gan
River
Paret River
Tuguegarao River
Matalag R
iver
Chic
o River
Mab aca River
Salta n Rive
r Caga
yan R
iver
Pasil River
Mallig
Rive
r
Siff u River
Magat River
Sabo
ngan
Riv
er
T um auini River
Abuan R iver
Catalangan R
iverCa
g ayan
Riv
er
Disbumgan River
Ibulao RiverDa vid
Rive
r
Dibubu Ri ver
Dibuluan River
Ilaga
n Ri
ver
Diduyo
n Ri
ver
Addalam River
Kas ibu River
Cad
a cla
n R
iver
1
2
3
4
56
78
9 10
27 66
1
2
11
4
18
21
12
3
2867
13
14
1516
1777
205
2419
22
6
2532
26
3635
30
31
28
378
389
3934
42
30
1815
14
1347
4850
1768
2942
7034
73
49 16
45
35 7431
24
615521
26
36
75
57
3271
72
33
63
39
4140
255362
59 23
2258
5420
37
7652
46
4412
43
10
40
4111
73 297
121。30'
122。00'
18。
00'
17。
30'
17。
00'
16。
30'
16。
00'
Streamflow Gauging StationNo. Station Name No. Station Name1�2�3�4�5�6�7�8910111213141516171819202122232425262728293031323334�3536�37
AparriMaddaleroCatayauanCentro, CamalaniuganSimayPoblacion, GattaranCalaoaganNossipingTupangCalantacAsassiEscoltaAnguirayCentro, IguigBayoPangulCentro, SolanaLarion AltoPinukpukCataggamanNamabbalanLiglig GawaanNanengAbbot�PasonglaoBaba-alanPatocAbutAntaganAmpawilenAnabelTomianganPattacanTaedBasaoAmbatoCasile
383940414243444546474849505152535455565758596061�62�63
MaligayaMunozMalalamPalattaoSupangMinangaDisulapCaipilanDipalinOscariz�DulaoCabulayHapidCamandagPangalPanangGuinalvinBanteManamtamKamamasiMinuriDabubuNPC LamutBatoDippadiwPingkian
Sediment / Water QualityNo. Station Name1�2�3�4�5�6�7�8�9�10�11�12�13�14�15�16�17�18�19�20�21�22�23�24�25�26�27�28�29�30�31�32�33�34�35�36�37�38�39�40�41�42
CalaoaganAsassiEscoltaLarion AltoLiglig GawaanPasonglaoAntaganCasileMunozMalalam (Alinguigan)PalattaoMinangaOscarizMagat DamsiteDulaoCabulayLamutHapid (Tupaya)CamandagGuinalvinBanteMinuriDabubuBatoDippadiwPingkianBangagBaybayogRosarioTungngodCarebBalilingBetiIlutAurora EastGamisJonesMaddelaConeapGabongDakganBagabag
Station NameTaanPonggoBangagBaybayogRosarioTugngodCarebBalilingBetiIlutAurora eastGomisJones
No.64�65�6667686970717273747576
0 10 20(km)
Scale
30 40 50
N
LEGENDStreamflow Gauging StationSediment / Water Quality Sampling
Figure 5.2.2Location of Hydrological Stations
No. Station Item Elevation
Latitude Longitude (meter asl)1 Aparri
Air TemperatureRelative HumidityWindSunshine HoursEvaporationAtmospheric Pres
2 TuguegaraoAir TemperatureRelative HumidityWindSunshine HoursAtmospheric PresEvaporation
3 EchagueAir TemperatureRelative HumidityWindSunshine Hours
Evaporation4 Santo Domingo
Air TemperatureRelative HumidityWindSunshine HoursEvaporation
5 Barelbet,Bagabag Air Temperature
Relative Humidity16o35'45" 121o17'10"Wind
Sunshine HoursEvaporation
6 Alimanao R.,Tuguegarao Air Temperature
Relative HumidityWindSunshine HoursEvaporation
7 Consuelo,Santa Fe Air Temperature
Relative HumidityWindSunshine HoursEvaporation
8 Baligatan(Talictic) Air Temperature
Relative HumidityWindSunshine HoursEvaporation
9 LagaweAir TemperatureWindSunshine HoursEvaporation
320
121-40-00
600
16o 25'
Location
120-57-00
18-22-00
17-39-00
16-42-00
62
66
3121-38-00
121-45-00
400
121-27-00 200
121-07-00
121o 06'
16-10-00
16-48-00
16-48-00
Climatological Data Collected During Master Plan Study Additional Climatological Data Collected During Feasibility Study
Daily Data
Monthly Data
No. Station Item Elevation
Latitude Longitude (meter asl) Climatological Data Collected During Master Plan Study10 Wacal Rainfall
Air TemperatureRelative Humidity
WindSunshine Hours
Evaporation11 Bontoc
Air TemperatureRelative Humidity
WindSunshine Hours
Evaporation12 Bayombong
NVSIT Air TemperatureRelative Humidity
WindSunshine Hours
Evaporation13 Hapid
Air TemperatureRelative Humidity
WindSunshine Hours
Evaporation14 Malasin
Air TemperatureRelative Humidity
WindSunshine Hours
Evaporation15 San Isidro
Air TemperatureRelative Humidity
WindSunshine Hours
Evaporation16 APC Comp.,
Minanga Norte, Air TemperatureIguig, Cagayan Relative Humidity
WindSunshine HoursEvaporationAtom. Pressure
17 San FelipeIlagan, Isabela Maximum Temp.
Minimum Temp.WindRelative HumidityEvaporationAtom. Pressure
17-46-20 121-44-10 18
Location
280121-15-0016-42-00
Daily Data
Monthly Data
Additional Climatological Data Collected During Feasibility Study
No. Station Elev.
Latitude Longitude (m. asl) Data Collected During Master Plan Study1 Aparri 22 Lal-Lo 83 Aggunetan, Gattaran 104 Bitag Grande5 Imurung6 Bauan, Panablanca7 Tuao 17-45'8 Tuguegarao9 Bagabba, Paneblanca
PinukpukSalegseg, BalbalanTomiangan, Tabuk
Naneng, TabukGuiguila, Tanudan
TumauiniCabaganLubuagan
Basao, TinglayanIlagan
Banga-AnBontocBarligBauko
Reina MercedesMt. Polis, BanagueMt. Data, Benguet
Namulditan, LagaweLagawe
Nayon, LamutEchague
DiadiSolano
BayombongBarat, Bambang
DupaxMalica
Imugan, Santa FeConsuelo, Santa Fe
GabongDakgan
Casiguran 3Taan
43 Upper Casecnan
Location Source
PAGASA Aparri/Ctral
PAGASA Central
PAGASA CentralPAGASA
PAGASA Central
PAGASA FFWS
Pagasa Central
NIA
Additional Data Collected
101112131415161718192021222324252627282930313233343536373839404142
16-31'16-29'16-23'16-17'16-11'16-10'16-10'16-01'16-05'16-17'
17-07'17-05'17-03'16-59'16-59'16-58'16-51'16-51'16-48'16-43'16-42'16-40'
17-35'17-31'17-26'17-24'17-18'17-17'17-26'17-22'17-14'17-09'
18-21'18-12'18-04'17-54'17-55'17-50'
17-37'17-37'
121-39'121-40'121-38'121-51'121-56'121-43'121-28'121-44121-47'121-22'121-06'121-26'121-14'121-14'121-49'121-46'121-07'121-07'121-53'120-54'120-58'121-06'120-52'121-50'121-02'120-52'121-05'121-04'121-10'121-40'121-22'121-11'121-09'121-06'121-05'120-51'120-55'120-57'121-21'121-30'122-07'
800506
66168255278610390
1,250
60047
1,600855
1,5001,200
341,9001,500
900480320
10351920
1201,120
380418500
30
No. Station Elev.
Latitude Longitude (m. asl) Data Collected During Master Plan StudyAuroraAritaoKayapaWacolBanti
ConwapDippadiwTabayang
Lias, BarligSan Fransicso
NIA-PIO, CabarraguisHapid, Lamut
Baretbet (Dumayup)Baligatan
Poblacion LagaweSto Domingo
KasibuKamamasi
BiyoyAloyanPocket 640
17-46' 121-44' 1818o 20' 27" 121o 26' 48"
Location Source
NIA
NIAPAGASA FFWSPAGASA FFWSPAGASA FFWSPAGASA Central
DA IguigDA Region II
Additional Data Collected444546474849505152535455565758596061626364
65666768697071
Magat DamsiteGamu
Maris DamsitePangal
Cullalabo Burgos, IsabellaMinanga, Iguig, Isabel
Abulug
129280230200400320701639623653
17-05'18-10'16-30'16-42'16-35'16-48'16-48'16-25'16-19'16-16'16-15'16-19'16-17'
121-08'121-39'121-32'121-15'121-16'121-27'121-07'121-06'121-18'121-25'121-24'121-24'121-20'
Magat Dam
Toan
Rive
r
Pang
ul R
iver
Tanu
don
Rive
r
Sta. C
ruz Rive
r
Casecnan River
Dummon River
Zinu
ndun
gan
River
Pare t RiverTuguegarao River
Matalag R
iver
Chic
o River
Mab aca River
Salta n Rive
r Caga
yan R
iver
Pasil River
Mallig
Rive
r
Siff u River
Magat River
Sabo
ngan
Riv
er
Tumauini River
Abuan R iver
Catalangan R
iver
Cag ay
an R
iver
Disbumgan River
Ibulao RiverDa vid
Rive
r
Dibubu Riv er
Dibuluan River
Ilaga
n Ri
ver
Diduyo
n Ri
ver
Addalam River
Kas ibu River
Cad
a cla
n R
iver
3000
2500
3000
2500
2500
3000
4000
5000
4000
3000
2500
BabuyanChannel
PhilippineSea
121。30'
121。00'
122。00'
18。
00'
17。
30'
17。
00'
16。
30'
16。
00'
0 10 20(km)
Scale
30 40 50
NAparri(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Naneng(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Guilguila
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Barlig
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Bontoc
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Bauko
(mm)
700�
600�
500�
400�
300�
200�
100�
0JFMAMJJASOND
Mt. Data
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Mt. Polis
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Consuelo
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Tuao
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Tuguegarao
(mm)
600�
500�
400�
300�
200�
100�
0JFMAMJJASOND
Casiguran
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Ilagan
(Data 1965-1978)
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Bitag Grande
(Data 1975-1978)
(mm)
500�
400�
300�
200�
100�
0JFMAMJJASOND
Basao
(Data 1963-1978)
Figure 5.2.5Isohyetal Map in the Cagayan River Basin
No. Station RiverDrainage
Area(km2)
DischargeMeasurement Record
Zero ofGauge EL.
(m)Latitude Longitude (meter asl) Data Collected During Master Plan Study
1 Aparri Cagayan 17-40-00 121-37-00 27,281 0.02 Maddalero, Buguey Banurbor 18-16-00 121-50-00 112 Available -0.5743 Catayauan, Lal-lo Cagayan 18-18-00 121-39-00 27,081 0.04 Centro, Camalaniugan Cagayan 18-17-00 121-41-00 27,230 0.05 Simay (Alannay), Lasam Zinundungan 18-04-00 121-35-00 189 Available6 Poblacion, Gattaran Cagayan 18-04-00 121-38-00 26,615 0.07 Calaoagan, Dacquel Dummon 18-03-00 121-43-00 308 Available8 Nassiping, Gattaran Cagayan 17-58-00 121-37-00 21,473 0.09 Tupang Alcala Cagayan 17-57-00 121-38-00 21,436 0.010 Calantac, Alcala Paret 17-55-00 121-41-00 907 Available 3.34111 Asassi, Baggao Paret 17-55-00 121-47-00 73012 Escolta, Rizal Matalag 17-50-00 121-25-00 655 Available13 Anguiray, Amulong Cagayan 17-49-00 121-43-00 20,213 0.014 Centro, Iguig Cagayan 17-45-00 121-44-00 19,683 0.015 Bayo, Iguig Cagayan 17-42-00 121-44-00 19,625 0.016 Pangol, Solana Pangul 17-40-00 121-38-00 312 Available 20.39917 Centro, Solana Cagayan 17-39-00 121-41-00 19,545 0.018 Larion Alto, Tuguegarao Pina de Tuguegarao 17-38-00 121-46-00 655 Available 18.18419 Pinukpuk Saltan 17-37-00 121-24-00 856 Available20 Cataggaman, Tuguegarao Cagayan 17-35-00 121-40-00 19,494 0.021 Namabbalan, Tuguegarao Cagayan 17-32-00 121-47-00 18,685 0.022 Liglig Gawaan, Balbalan Saltan 17-31-00 121-12-00 25523 Naneng, Tabuk Chico Available24 Abbot, Pinukpuk Chico 17-42-00 121-26-00 3,349 43.69725 Pasonglao, Tabuk Chico 17-24-00 121-25-00 1,987Available26 Baba-Alan, Tabuk Tanudan 17-23-00 121-16-00 365 Available27 Patoc, Babaalan Tanudan28 Abut, Quezon Casile Creek 17-20-00 121-35-00 29 113.71929 Antagan, Tumauini Pina de Tuguegarao 17-17-00 121-56-00 170 Available30 Ampawilen Chico 751 Available31 Anabel Chico 605 Available32 Tomiangan Chico 17-24-00 121-14-00 1,408Available33 Pattacan, Tomiangan Chico34 Taed Chico 17-05-00 120-59-00 391 Available35 Basao Chico 17-14-00 121-08-00 891 Available36 Ambato, Tinglayan Chico 17-16-00 121-09-00 1,087Available37 Casile, Mallig Casile Creek 17-13-00 121-36-00 195 Available 49.11938 Maligaya, Mallig Mallig 17-11-00 121-36-00 563 Available 41.71639 Munoz, Roxas Siffu 17-09-00 121-34-00 686 Available 50.52040 Malalam (Alinguigan) Pina de Tuguegarao 17-08-00 121-54-00 3,123Available 26.14341 Palattao, Naguilian Cagayan 17-01-00 121-50-00 6,626Available 27.22742 Supang, Sabangan Sabangan 17-00-00 120-54-00 57 Available43 Minanga, SN Mariano Pina de Ilagan 17-00-00 122-01-00 1,565 Available44 Disulap, SN Mariano Disulap 16-58-00 122-05-00 146 Available45 Caipilan, Aurora Taotao 16-57-00 121-33-00 430 62.41646 Dipalin, Binatog Disabungan 16-57-00 122-04-00 198 Available
Location
Daily Gauge HeightDaily Discharge
Source
Additional Data Collected
No. Station RiverDrainage
Area(km2)
DischargeMeasurement Record
Zero ofGauge EL.
(m)Latitude Longitude (meter asl) Data Collected During Master Plan Study
47 Oscariz (Maris Dam) Magat 16-47-00 121-30-00 4,150 89.74748 Dulao, Lagawe Alimit 16-44-00 121-20-00 573 Available49 Cabulay, Santiago Diadi 16-44-00 121-29-00 196 Available 79.48750 Hapid, Lamut (Tupaya) Ibulao 16-43-00 121-15-00 606 Available51 Camandag, Kiangan Cadaclan 16-36-00 121-03-00 261 Available52 Pangal, Echague Cagayan 16-36-00 121-41-00 4,24453 Panang, SN Agustin Cagayan 16-25-00 121-45-00 2,39254 Guinalvin, Aglipay Addalam 16-29-00 121-39-00 921 Available55 Bante, Bambang Matuno 16-27-00 121-04-00 558 Available56 Manamtam, Bambang Matuno57 Kamamasi, Kasibu Diduyon 16-16-00 121-27-00 462 Available58 Minuri, Jones Dibuluan 272 Available59 Dabubu, Pequino Dabubu 16-27-00 121-47-00 162 Available60 NPC Lamut Magat61 Bato, Bayombong Magat 16-26-00 121-07-00 1,649Available 294.05762 Dippadiw, Madella Cagayan 16-23-00 121-44-00 2,380Available63 Pingkian, Kayapa Sta. Cruz 16-19-00 120-57-00 162 Available64 Taan Taan65 Ponggo, Madella Casecnan66 Bangag Cagayan 18-07-00 121-41-00 Available -1.5267 Baybayog Paret 17-54-00 121-41-00 966 Available 1.9868 Rosario Rosario 16-39-00 121-18-00 Available 225.3769 Tungngod Burnay 16-48-00 121-07-00 95 Available70 Careb Lanog 16-34-00 121-12-00 Available71 Baliling Sta. Fe 16-14-00 120-58-00 96 Available 487.3272 Beti Marang 16-15-00 121-03-00 Available73 Ilut Ilut 16-40-00 121-26-00 Available 145.48974 Aurora East Ganano Available75 Gamis Dumatata 16-40-00 121-32-00 Available76 Centro Jones Cagayan 16-33-25 121-42-00 2,960Available77 Tuguegarao Cagayan78 Tumauini Cagayan
79 Pinaripay, Agripay Addalam 16-27-57 121-19-54 709 Available 92.2480 Nagtipunan, Quirino Cagayan 16-18-25 121-39-56 2,323
Location
Daily Gauge Height
Daily Discharge
Source
DPWHDPWHDPWH
DPWHDPWH
Additional Data Collected
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the PhilippinesJAPAN INTERNATIONAL COOPERATION AGENCY
Figure 5.2.7
List of Sediment and Water Quality Record
Sediment
Water Quality
No. Station River
Latitude Longtitude1 Calaogan, Dacquel Dummon 18-03-00 121-43-002 Asassi, Baggao Paret 17-55-00 121-47-003 Escolta, Rizal Matalag 17-50-00 121-25-004 Larion Alto, TuguegaraoTuguegarao 17-38-00 121-46-005 Liglig Gawaan, BalbalanSaltan 17-31-00 121-12-006 Pasonglao, Tabuk Chico 17-24-00 121-25-007 Antagan, Tumauini Tumauini 17-17-00 121-56-008 Casile, Mallig Casile 17-13-00 121-36-009 Munoz, Roxas Siffu 17-09-00 121-34-0010 Malalam (Alinguigan) Ilagan 17-08-00 121-54-0011 Palattao, Naguilian Cagayan 17-01-00 121-50-0012 Minanga, Sn Mariano Ilagan 17-00-00 122-01-0013 Oscariz, Sn Mateo Magat 16-47-00 121-30-0014 Magat Damsite Magat15 Dulao, Lagawe Alimit 16-44-00 121-20-0016 Cabulay, Santiago Diadi 16-44-00 121-29-0017 Lamut Lamut18 Hapid, Lamut (Tupaya) Ibulao 16-43-00 121-15-0019 Kamandag, Kiangan Cadaclan 16-36-00 121-03-0020 Guinalvin, Aglipay Addalam 16-29-00 121-39-0021 Bante, Bambang Matuno 16-27-00 121-04-0022 Minuri, Jones Dibuluan23 Dabubu, Pequino Dabubu 16-27-00 121-47-0024 Bato, Bayombong Magat 16-26-00 121-07-0025 Dippadiw, Madella Cagayan 16-23-00 121-44-0026 Pingkian, Kayapa Sta. Cruz 16-19-00 120-57-0027 Bangag Cagayan 18-07-00 121-41-0028 Baybayog Paret 17-54-00 121-41-0029 Rosario Rosario 16-39-00 121-18-0030 Tungngod Burnay 16-48-00 121-07-0031 Careb Lanog 16-34-00 121-12-0032 Baliling Sta. Fe 16-14-00 120-58-0033 Beti Marang 16-15-00 121-03-0034 Ilut Ilut 16-40-00 121-26-0035 Aurora East Ganano36 Gamis Dumatata 16-40-00 121-32-0037 Jones Cagayan 16-33-00 121-42-0038 Madella, Quirino Tabayong39 Conwap Cagayan40 Gabong Casecnan41 Dakgan Casecnan42 Bagabag Magat
Location
Data Collected During Master Plan Study Additional Data Collected
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the Philippines
Figure 5.3.1
JAPAN INTERNATIONAL COOPERATION AGENCYFlow Chart for Flood Analysis
a) Construction of River System Model
Base Point
RiverSystemModel
Basin andChannelFactor
Computed FloodHydrograph at MagatDam
Model is Suitableor Not
Storage Function Modelfor the Cagayan RiverBasin (K, P, Tl, f1, Rsa,and Qb)
Model is Suitableor Not
Probable RunoffDistribution underPresent River Condition
Probable RunoffDistribution under theAlternative FloodControl Plans
HourlyRunoff Data
Lag Time (Tl)Base Flow (Qb)Primary RunoffCoefficient (f1)Saturated Rainfall (Rsa)
Alternative Flood Control Plans
HourlyRainfall Data
DesignRainfallPattern
DesignRainfall
Distribution
Daily RainfallData
AnnualMaximum
Basin MeanRainfall
RainfallCoefficient(by ThiessenPolygonMethod)
ProbableRainfall
b) Rainfall Analysis
c) Flood Runoff Analysis
Basin Map(1/50,000)
Observed FloodHydrographs at
Magat Dam
Storage Function Modelfor the Magat RiverBasin (K, P)
Yes
No
Yes
No
Recorded Flood PeakRunoff at SelectedGauges in the CagayanRiver Basin
River Course
Basin Boundary
Sub-basin Boundary
Base Point
Sub-basin Number
Channel Number
Existing Dam
Proposed Dam
Legend
NoNoNoNo
m
NoNNN
BP. No
1
No.2 Dam
m
Diduyon Da
Matuno Daa
0
21
8
9
8
Pangul
Riv
er
secnan R
iver
r
M t l gR
r
Riv
er
Pa
IlIIa
aan
61666
31333
6464646
73777
333333
31
11
2
3
22222
Figure 5.3.2
Basin Division in the Cagayan River System
N
0 10 20(km)
Scale
30 40 50
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the PhilippinesJAPAN INTERNATIONAL COOPERATION AGENCY
Figure 5.3.3Cagayan River System Model for FloodRunoff Analysis
1
1
1
22
2
3
3
3
5 4
4
7
8
12
BP-5
16
BP-4
19
20
21
22
28
BP-2
29
30
BP-1
6
10 11
12
7
4
5
8
5
6
9
13
14
156
9
1716
187
10
819
11
20
BP-9
21BP-8
26
22
13
9
23
14
2425 10
15
27BP-3
BP-7
29
17 11 28
31
18 12 30
3233
3435
3637
38
39
23
13
24
25
14
26
27
40
41
42
43
44 4515
46
4748
49
50
Casecnan Dam
Cagayan No.2Dam
Cagayan No.1Dam
Diduyon Dam
Addalam (A) Dam
Ilagan No.1Dam
DisabunganDam
Matuno No.1 Dam
Alimit No.1 (A) Dam
Magat Dam
Chico No.2 DamSiffu No.1 (A) Dam
Chico No.4 DamMallig No.2 Dam
Pinukpuk Dam
Magat River
Ilagan River
Siffu River
Mallig River
Chico RiverSub-basin
River Channel
Dam
Base Point
Legend
BP-6
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the Philippines
Figure 5.3.4
JAPAN INTERNATIONAL COOPERATION AGENCYProbability Distribution of Flood Peak Runoff byReturn Period at Base Points
BP-1(27,300)
BP-2(21,473)
BP-6 (4,551) BP-7 (2,015)
BP-3(15,334)
BP-8 (3,132)BP-4(11,993)
BP-5(6,633)
BP-9 (5,113)
Ilagan No.1 Dam (1,350)Disabungan Dam (652)
PinukpukDam(856)
Chico No.4 Dam(1,410)
Chico No.2 Dam(720)
Mallig No.2Dam (362)
Siffu No.1 (A)Dam (656)
Alimit No.1(A) Dam (559)
Matuno No.1Dam (550)
Magat Dam(4,143)
Addalam (A)Dam (864)
Diduyon Dam(477)
Cagayan No.1Dam (2,364)
Cagayan No.2Dam (1,631)
Casecnan Dam(1,150)
Note : Figures parenthesizad show the Catchment area inkm2.
Unit : m3/secBase Point 1/2 1/5 1/10 1/25 1/50 1/100 1/200 1/1,000 1/10,000
Casecnan 3,600 5,800 7,500 9,700 14,500 20,700 26,000 42,000 72,800Cagayan No.2 3,800 5,800 7,300 9,200 13,500 19,400 24,000 38,000 65,900Cagayan No.1 2,500 4,500 6,200 8,500 12,500 17,200 22,000 34,000 59,400Diduyon 1,300 2,000 2,600 3,700 5,200 7,500 9,500 14,500 25,000Addalam (A) 600 1,300 1,900 2,900 4,200 5,650 7,500 13,000 24,550Matuno No.1 750 1,050 1,300 1,550 1,800 2,050 2,300 3,000 4,150Alimit No.1 (A) 450 700 850 1,100 1,350 1,650 2,000 3,200 5,750Magat - - - - - - - - -Ilagan No.1 1,750 3,200 4,300 6,350 7,600 8,950 11,500 17,000 28,050Disabungan 1,050 1,900 2,700 3,800 5,400 7,600 9,200 14,000 24,750Siffu No.1 (A) 400 700 950 1,300 1,600 1,950 2,500 4,000 7,100Mallig No.2 300 400 600 800 950 1,100 1,400 2,200 3,950Chico No.2 850 1,350 1,750 2,300 2,850 3,550 4,000 5,300 9,250Chico No.4 800 1,450 2,000 2,750 3,600 4,500 5,400 7,800 12,250Pinukpuk 700 1,200 1,600 2,200 2,700 3,150 4,000 6,300 10,700Base Point No.1 6,200 9,900 12,000 15,700 18,100 21,400Base Point No.2 5,800 9,400 11,500 15,300 17,700 21,000Base Point No.3 6,100 10,300 12,900 17,700 20,900 25,300Base Point No.4 5,400 9,300 11,600 16,200 19,300 23,500Base Point No.5 3,300 5,900 7,200 10,100 12,500 14,700Base Point No.6 2,000 3,000 3,800 5,200 7,500 8,700Base Point No.7 1,200 1,600 2,000 2,700 3,000 3,300Base Point No.8 2,000 3,400 4,700 6,700 7,600 9,400Base Point No.9 2,700 4,500 6,000 7,200 9,500 10,600Base Point No.1 6,200 9,700 11,600 15,000 17,300 20,300Base Point No.2 5,700 9,300 11,200 14,600 16,900 19,900Base Point No.3 6,100 9,800 12,000 16,100 19,000 22,600Base Point No.4 5,400 9,000 10,900 14,700 17,600 21,000Base Point No.5 3,300 5,900 7,200 10,100 12,500 14,700Base Point No.6 2,000 3,000 3,800 5,200 7,500 8,700Base Point No.7 1,200 1,600 2,000 2,700 3,000 3,300Base Point No.8 2,000 3,400 4,700 6,700 7,600 9,400Base Point No.9 2,500 3,500 4,300 5,000 6,300 7,000
Prob
able
Flo
od P
eak
(1-d
ay)
Wit
hout
Mag
at D
amW
ith M
agat
Dam
BP-1 (Mouth of the Cagayan Main Stream)
0
6,000
12,000
18,000
24,000
30,000
BP-3 (Conf. of the Cagayan and the Siffu)
0
6,000
12,000
18,000
24,000
30,000
0
6,000
12,000
18,000
24,000
30,000
BP-2 (Conf. of the Cagayan and the Chico)
0
6,000
12,000
18,000
24,000
30,000
BP-4 (Conf. of the Cagayan and the Ilagan)
0
4,000
8,000
12,000
16,000
20,000
BP-5 (Conf. of the Cagayan and the Magat)
14,700
0
1,800
3,600
5,400
7,200
9,000 8,700
BP-6 (the Chico River Mouth)
BP-7 (the Siffu River Mouth)
0
800
1,600
2,400
3,200
4,000
21,400
0 24 48 72 96 120 144 168 192 216
Time (hour)
0 24 48 72 96 120 144 168 192 216
Time (hour)
0
70
0
70
0
70
0 24 48 72 96 120 144 168 192 216
Time (hour)
0 24 48 72 96 120 144 168 192 216
Time (hour)
0
70
0 24 48 72 96 120 144 168 192 216
Time (hour)
0
70
0 24 48 72 96 120 144 168 192 216
Time (hour)
0
70
0 24 48 72 96 120 144 168 192 216
Time (hour)
0
70
3,300
0 24 48 72 96 120 144 168 192 216
Time (hour)
0
70
0
2,000
4,000
6,000
8,000
10,000
BP-8 (the Ilagan River Mouth)
0
4,000
8,000
12,000
16,000
20,000
0 24 48 72 96 120 144 168 192 216
Time (hour)
0
70
BP-9 (the Magat River Mouth)
9,400
20,300
21,000 19,900
25,30022,600
23,50021,000
10,600
7,000
Without Magat DamWith Magat Dam
Without Magat DamWith Magat Dam
Without Magat DamWith Magat Dam
Without Magat DamWith Magat Dam
Without Magat DamWith Magat Dam
River System Model for Streamflow Analysis
The Feasibility Study of the Flood Control Project
for the Lower Cagayan River
in the Republic of the Philippines
JAPAN INTERNATIONAL COOPERATION AGENCY
Figure 5.4.1
1
2
3
5
6
4
9
7
7
6
13
14
15
17
18
19
20020
113
019
018
017
015
014013
108
109
016
110
111
112
8
8
9
16
10
10
029
11
11928
028
30
13
14
15
030
31
031
120
121
122
124
125
126
134
133 132 131 130
129
128
127
40
040041
41
42042
04343
44044
046
4547
48
048049
49
047 045
46135
136
137
123
03333
03434
36036 035
35
37037038
38
39039
051 05050
52052
05353
51
03232
02727 11
011010
107
01212
12
114
115
116
11721
021
11929
105
008
00922
022023
23
24024
25025
26026
001
002101
003102
005 004
004
006
106
007
104
4
5
1
2
3
Ilagan
NO.1 Dam
Ilagan River
Magat River
Siffu River
Siffu NO.1(A) Dam
Mallig NO.2 Dam
Mallig River
Chico River
Chico
NO.2 Dam
Chico
NO.4 Dam
Pinukpuk Dam
Magat Dam
Casecnan Dam
Diduyon Dam
Addalam(A) Dam
Cagayan
NO.2 Dam
Matuno
NO.1 Dam
Alimit
NO.1(A) Dam
Cagayan
NO.1 Dam
Disabungan Dam
:Subbasin
:Dam
: Calculation
: Point
LEGEND
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the Philippines
Figure 5.4.2
JAPAN INTERNATIONAL COOPERATION AGENCY
Duration Curve of Estimated 10-day Runoff(1963-1998)
Ilagan
0
500
1,000
1,500
2,000
2,500
0 10 20 30 40 50 60 70 80 90 100Duration (%)
Upper Cagayan
0
500
1,000
1,500
2,000
2,500
0 10 20 30 40 50 60 70 80 90 100Duration (%)
Magat
0
500
1,000
1,500
2,000
2,500
0 10 20 30 40 50 60 70 80 90 100Duration (%)
Siffu-Mallig
0
500
1,000
1,500
2,000
2,500
0 10 20 30 40 50 60 70 80 90 100Duration (%)
Chico
0
500
1,000
1,500
2,000
2,500
0 10 20 30 40 50 60 70 80 90 100Duration (%)
Whole Basin
0
500
1,000
1,500
2,000
2,500
0 10 20 30 40 50 60 70 80 90 100Duration (%)
3,000
3,500
4,000
4,500
5,000
5,500
6,000
6,500
7,000
7,500
8,000
8,500
9,000
Magat Dam
LC-14
LC-13
LC-11
C-6
LC-12BLC
-12B
LC-12ALC
-12A
LC-9A
LC-9B
LC-10
LC-8
LC-7
LC-6
LC-4B LC
-4A
LC-3
LC-5 LC
-2
LC-1
C-4
C-5
C-2
C-3
C-1
S-3
S-4
S-1
S-2
S-5
M-5
M-4
M-3
M-2
M-1
I-4
I-3
I-2
I-1
UC-9
UC-8B
UC-8A
UC-7
UC-6B
UC-6A
UC-3
UC-5
UC-4
UC-2
UC-1
Toan
Rive
r
Pang
ul R
iver
Tanu
don
Rive
r
Sta. C
ruz Rive
r
Casecnan River
Dummon River
Zinu
ndun
gan River
Paret R iver
Tuguegarao River
Matalag R
iver
Chic o Ri
ver
Mab aca River
Salta n Rive
r Caga
yan R
iver
Pasil River
Mallig
Rive
r
Siffu River
Magat River
Sabo
ngan
Riv
er
T um auini River
Abuan River
Catalangan R
iver
Cag ay
an R
iver
Disbumgan River
Ibulao RiverDa vid
Rive
r
Dibub u River
Dibuluan River
Ilaga
n Ri
ver
Diduyo
n Ri
ver
Addalam River
Kasib u River
Cad
a cla
n R
iver
Pinukpuk Dam
Chico No.4 Dam
Mallig No.2 Dam
Chico No.2Dam
SiffuNo.1(A)
Dam
AlimitNo.1(A)
Dam
MatunoNo.1Dam
DiduyonDam
CasecnanDam
Cagayan No.2Dam
Cagayan No.1Dam
Addalam(A) Dam
Ilagan No.1Dam
DisabunganDam
0 10 20(km)
Scale
30 40 50
N
Figure 5.5.1Divided Subbasins for Water Balance Study
Pasonglao (Chico River)
10
100
1,000
10,000
100,000
10 100 1,000
Water Discharge, Qw (m3/sec)
Oscariz (Magat River)
1
10
100
1,000
10,000
100,000
1,000,000
10,000,000
10 100 1,000 10,000Water Discharge, Qw (m3/sec)
Dipadiw (Cagayan River)
1
10
100
1,000
10,000
100,000
10 100 1,000
Water Discharge, Qw (m3/sec)
Rating Curve Estimated in the 1987 MP
Sediment Data Collected in the 1987 MPSediment Data Collected in this JICAStudy
Rating Curve Estimated in this JICA Study
Qs = 0.0025 Qw2.76
Qs = 0.03 Qw2.27
Qs = 0.00022 Qw3.29
Qs = 0.0004 Qw3.17
Rating Curve Estimated in the 1987 MP
Sediment Data Collected in the 1987 MP
Rating Curve Estimated in the 1987 MP
Sediment Data Collected in the 1987 MP
The Feasibility Study of the Flood Control Project
for the Lower C
agayan Riverin the Republic of the Philippines
JAPA
N IN
TERN
ATIO
NA
L COO
PERA
TION
AG
ENCY
Figure 5.6.2Annual Sedim
ent Transport
Cagayan R
iver
0 5 10 15 20 25 30
0 5 10 15 20 25 30C
hico River
0 5 10 15 20 25 30
Siffu River
Ilagan River
Magat R
iver
5.626.34
4.995.48
7.79
5.535.01
4.43
6.87
22.89
11.04
6.41
3.990.90
0.850.10
0.260.90
Annual Bed M
aterial Load
Annual W
ash Load
Average A
nnual Bed M
aterial Load
Average A
nnual Wash Load
Legend
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the PhilippinesJAPAN INTERNATIONAL COOPERATION AGENCY
Figure 5.7.1General Work Flow of Riverbed FluctuationAnalysis
Evaluation of the Stability of thePresent River Stretch
River Cross Sectionand Profile DataMeasured in 2000
Note Case-0 : Natural Condition (without project implementation) Case-1 : Widening Tupang Site to 500 m Case-2 : Widening Tupang and Nassiping Sites to 500 m Case-3 : Widening Tupang, Nassiping and Magapit Sites to 500 m Case-4 : Widening Tupang, Nassiping and Magapit Sites to 700 m Case-5 : Construction of 3 Cut-off Channels (Gabut, San Isidro and Tuguegarao)
10-day RunoffData
10-day WaterLevel Data atAparri
Grain SizeDistribution DataMeasured in 2000
Long Term RiverbedFluctuation Analysis forNatural Condition (Case-0)*
Short Term RiverbedFluctuation Analysis forNatural Condition (Case-0)*
Flood RunoffData (2-yr)
Water LevelData at Aparri
Grain SizeDistribution DataMeasured in 2000
Long Term Riverbed Fluctuation Analysisfor Each Implementation Case (Case-1 ~Case-5)*
Evaluation of the Influence on theFuture Riverbed Fluctuation byEach Implementation Scheme
10-day RunoffData
10-day WaterLevel Data atAparri
River Cross Section andProfile Data for 5Implementation Scheme
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the PhilippinesJAPAN INTERNATIONAL COOPERATION AGENCY
Figure 5.7.2Result of Short-term Riverbed FluctuationAnalysis for Natural Condition (Case-0)
-0.4
-0.3
-0.2
-0.1
0.0
0.1
0.2
0.3
0.4
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
Distance from the River Mouth (km)
(1) Flood Hydrograph for Objective Stretch (2 yr Probable Flood)
0
1,000
2,000
3,000
4,000
5,000
6,000
7,000
0 24 48 72 96 120 144 168 192 216
Time (hour)
Peak : 6,400 m3/sec
(2) Riverbed Change
Riverbed in the Year 2000
Riverbed Change
Riverbed ElevationMeasured in 2000Estimated RiverbedElevation-2.4 m ('00)
-2.6 m (After 5 yrs.)
-1.1 m ('00)
-1.1 m (After 5 yrs.)
7.2 m ('00)
7.2 m (After 5 yrs.)
13.2 m ('00)13.4 m (After 5 yrs.)
-4
-2
0
2
4
6
8
10
12
14
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
Distance from the River Mouth (km)
-4
-2
0
2
4
6
8
10
12
14
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
Distance from the River Mouth (km)
Riverbed ElevationMeasured in 2000Estimated RiverbedElevation-2.4 m ('00) -1.1 m ('00)
7.2 m ('00)
13.2 m ('00)
-2.6 m (After 10 yrs.)
-1.0 m (After 10 yrs.)
7.3 m (After 10 yrs.)
13.4 m (After 10 yrs.)
-4
-2
0
2
4
6
8
10
12
14
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
Distance from the River Mouth (km)
-2.4 m ('00) -1.1 m ('00)
7.2 m ('00)
13.2 m ('00)
Riverbed ElevationMeasured in 2000Estimated RiverbedElevation
-2.6 m (After 25 yrs.)
-0.7 m (After 25 yrs.)
7.2 m (After 25 yrs.)
13.4 m (After 25 yrs.)
-4
-2
0
2
4
6
8
10
12
14
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180
Distance from the River Mouth (km)
Riverbed ElevationMeasured in 2000Estimated RiverbedElevation-2.4 m ('00) -1.1 m ('00)
7.2 m ('00)
13.2 m ('00)
-2.5 m (After 50 yrs.)
-0.7 m (After 50 yrs.)
7.2 m (After 50 yrs.)
13.4 m (After 50 yrs.)
After 5 Years
After 10 Years
After 25 Years
After 50 Years
The Feasibility Study of the Flood Control Projectfor the Lower Cagayan River
in the Republic of the PhilippinesJAPAN INTERNATIONAL COOPERATION AGENCY
Figure 5.8.1General Flowchart of Saline WaterIntrusion Analysis
Results of Lowflow Analysis
Target Runoff (Qt)
River Profile and Cross-section Survey Result in2000
Average Current Velocity ofFresh Water (U0) for theTarget Runoff
Estimated Length and Shapeof the Wedge for the TargetRunoff
Basic Equations
Estimation ofAffected Stretch forthe Target Runoff
Non-uniform flowCalculation
Calculation of theLength and the
Shape of the Wedge
-30
-20
-10
0
10
0 10 20 30 40 50 60
QQminQ95Qd_5yr
Q75Q50
Qob
Deepest Riverbed
Distance from the River Mouth (km)
Ordinary W.L.Tide Level= 0.71 m
Calculated salt water wedgeCalculated salt water wedge incase of no topographical barrier
Symbol m3/sec Description1 Qmin 137 Minimum 10-day runoff simulated from rainfall record (1963~1998)2 Qd_5yr 173 5-yr probable drought runoff (10-day)3 Q95 207 95% dependable 10-day runoff4 Q75 416 75% dependable 10-day runoff5 Q50 949 50% dependable 10-day runoff6 Qob 1,606 Observed runoff in this Study (Jan. 10~11, 2001)