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BIB LIOGRAPHIC DATA SHEET IIa" NUMBER [ICONTROL2. S JECT CLASSIFICATION(695) 3.TITLE A N D SUBT ITLE (240) c . , - , , K ;, _ - 0 0-- (A LLA \ A. V - 4. ?ERSONAL AUTHOR (100) - 5. CORPORATE AUTHORS (101) 6. DOCUMENT DATE (110) _. 1 NUMBER OF PAGES (120) • 1 8.ARCNUMBER(1) 18 9. REFERENCE ORGANIZATION (130) 10. SUPPLEMENTARY NOTES (500) CV V._- k2G- 11. ABSTRACT (950) .Cl 0 12. DESCRIPTORS (92 " 13. PROJECT NUMBER (150) " ' ' ' -." .\,,co____' _ -"c:C l ,M (2 - s14. CONTRACT NO.(14t1o.,,_,_,,,dI 5 CONTRACT_____'_,,'.. 16. TYPE OF DOCUMENT (16C) ;I 590-7 (10-79) BICOL RIVER BASIN. COMPREHENSIVE WATER RESOURCES DEVELOPMENT STUDY 77 LUZON PHILI INES I 84YMANILA " "LOCATION N% MAP :i: i: " ':/:'""" 'oNAGA CIT2 LEGENDI RIVER BASIN BOUNDARY ... AREA SUBjECT TO FLOODING l> ' > S-FOOTHILLS ~ar VOLUME ill REPORT August 1976 TIPPETTS- ABBETT-McCARTHY -STRATTON BICOL RIVER BASIN DEVELOPMENT PROGRAM TRANS-A3IA ENGINEERING ASSOCIATES IINC. Joint Venlture Boras , Canaman Camrnl Svr' Now York Honululu PHILIPPINES COMPREHENSIVE WATER RESOURCES DEVELOPMENT STUDY VOLUME NO. 3 APPENDIX TABLE OF CONTENTS A CLIMATE AND HYDROLOGY B MATHEMATICAL MODEL OF THE BICOL SYSTEM C WEATHER MODIFICATIONS D SALINITY STUDIES E SEDIMENTATION STUDIES Appendix A Climate and Hydrology August 1976 COMPREHENSIVE WATER RESOURCES DEVELOPMENT STUDY BICOL RIVER BASIN LUZON ISLAND, PHILIPPINES APPENDIX A CLIMATE AND HYDROLOGY AUGUST 1976 TAiS-TAE JOINT VENTURE BICOL RIVER BASIN DEVELOPMENT Now York Manila PROGRAM Baras, Canaman Camarines Sur APPENDIX A TABLE OF CONTENTS INTRODUCTION I PHYSIOGRAPHY CLIMATE 1 Rainfall 2 Temperature 4 Evaporation 4 Wind 5 Humidity 5 Sunshine 5 Tropical Cyclones 5 Proximity of Typhoon Tracks to the Bicol Basin 6 STREAMFLOW 9 HYDROLOGIC EXTREMES IN THE BASIN 12 Floods 12 Droughts and Low Flows 13 Tides and Tidal Storm Surges 15 LAKE BUHI HYDROLOGY 17 Introduction 17 Rain fall 18 Runoff 19 Floods 19 Flood Discharges 20 Flood of October 1970 21 Flood of December 1956 22 Flood of November 1955 23 Flood of October 1952 23 Flood of June 1974 24 Flood of January 1972 24 RECOMMENDATIONS 25 REFERENCES 27 -i LIST OF TABLES Page A-1 Summary of Results of Frequency Analysis for 1, 2 and 3-Day Maximum Rainfalls for Stations in and Near the Basin 3 A-2 Maximum Two-Day Accumulated Rainfall Depth 7 A-3 Three-Day Accumalated Rainfall Depth 8 A-4 Accuracy of Stream Flow Recort-e Within the Bicol River Basin 10 A-5 Summary of Low Flow Analysis for Return Periods of 5 to 10 years 16 A-6 Bicol River Basin Hydrologic Data 26 A-6a Monthly and Annual Rainfall at Buhi2 Camarines Sur 28 A-7 Monthly and Annual Discharge, Barit River Near Santiago, Iriga, Camarines Sur ff. A-149 A-8 Analysis of Runoff of Lake Buhi Dfainage Basin - Typhoon Sening, October 1970 ff. A-150 A-9 Analysis of Runoff of Lake Buhi Drainage Basin - Typhoon Patsy, November 1955 ff* A-151 A-10 Analysis of Runoff of Lake Buhi Drainage Basin - Typhoon Trix, October 1952 ff. A-152 A-11 Analysis of Runoff of Lake Buhi Drainage Basin - Typhoon Dinah, June 1974 ff. A-153 A-12 Analysis of Runoff of Lake Buhi Drainage Basin - Typhoon Asiang, January 1972 ff. A-154 -ii LIST OF FIGURES A-1 Location Map A-2 Locations of Rainfall Stations A-3 Length of Record for Rainfall Stations, Bicol Basin and Vicinity A-4 Isohyets for Mean Annual Rainfall A-5 Mean Monthly Isohyets - January A-6 Mean Monthly Isohyets - February A-7 Mean Monthly Isohyets - March A-8 Mean Monthly Isohyets - April A-9 Mean Monthly Isohyets - May A-10 Mean Monthly Isohyets - June A-11 Mean Monthly Isohyets - July A-12 Mean Monthly Isohyets - August A-13 Mean Monthly Isohyets - September A-14 Mean Monthly Isohyets - October A-15 Mean Monthly Isohyets - November A-16 Mean Monthly Isohyets - December A-17 Maximum Daily Rainfalls at Sabang, Sipocot A-18 Maximum Daily Rainfalls at Yabo, Concepcion A-19 Maximum Daily Rainfalls at Inarihan, Calabanga A-20 Maximum Daily Rainfalls at BRCES, San Agustin, Pili A-21 Maximum Daily Rainfalls at SCP #9, San Jose, Benasi A-22 Maximum Daily Rainfalls at SCP A.,Ligao, Albay A-23 Maximum Daily Rainfalls at Sto. Domingo, Albay A-24 Maximum Daily Rainfalls at Buhi A-25 Maximum Daily Rainfalls at Guinobata*Albay A-26 Maximum Daily Rainfalls at Legaspi City A-27 Maximum Daily Rainfalls at Joroan, Tivi, Albay A-28 Distribution of Mean Monthly and Extreme Daily Temporature, Pili A-29 Monthly Evaporation Rates at Naga City A-30 Annual Wind Rose for S. E. Luzon -iii LIST OF FIGURES (cont.) A-31 Monthly Distribution of Relative Humidity at Pili A-32 Monthly Distribution of Mean Daily Sunshine Hours at Pili A-33 Mean Monthly Track of Tropical Cyclones Affecting the Philippines A-34 Monthly Distribution of Storms and Depressions Affecting the Bicol River Basin A-35 Monthly Distribution of Typhoons Affecting the Bicol River Basin A-35a Probability of Proximity of Typhoon to Naga A-36 Gaging Stations and Recording Periods A-37 Basin Watersheds and Gaging Stations A-38 Rating Curve - Lalo River, Antipolo, Buhi A-39 Rating Curve - Yabo River, Yabor Sipocot A-40 Rating Curve - Pawili River, San Vicente, Ocampo A-41 Rating Curve - Agua River, Polangui A-42 Rating Curve - Bicol River, Umbao, Bula A-43 Rating Curve - Anayan River, San Roque, Pili A-44 Rating Curve - Bicol River, Sto. Domingo A-45 Rating Curve - Pawili River, San Roque, Bula A-46 Rating Curve - Ugsong River, Binanuanan, Ligao A-47 Rating Curve - Nasisi River, Nasisi, Ligao A-48 Rating Curve - Quinali River, Busac A-49 Rating Curve - Talisay River, Aliang, Ligao A-50 Rating Curve - Sipocot River, Sabang A-51 Rating Curve - San Agustin River, San Agustin, Libon A-52 Rating Curve - Pulantuna River, Napolidan, Lupi A-53 Rating Curve - Culacling River, Del Rosario, Lupi A-54 Rating Curve - Irraya River, ObOt.iw, Oas A-55 Rating Curve - San Francisco River, Bobongsuran, Ligao -iv LIST OF FIGURES (cont.) A-56 Rating Curve - Barit River, Sto. Nifo, Iriga A-57 Rating Curve - Aslong River, San Isidro, Libmanan A-58 Rating Curve - Bicol River, Baliwag fluevo, Minalabac A-59 Daily Maximum Discharge/Volume Relationship - Yabo River, San Isidro, Naga City A-60 Daily Maximum Discharge/Volume Relationship - Bicol River, Sto. Domingo, Nabua A-61 Daily Maximum Discharge/Volume Relationship - Barit River, Sto Niflo, Iriga A-62 Daily Maximum Discharge/Volume Relationship Anayea River, San Roque, Pili A-63 Daily Maximum Discharge/Volume Relationship - Ugsong River, Binanuanan, Ligao A-64 Daily Maximum Discharge/Volume Relationship - San Agustin River, San Agustin, Libon A-65 Daily Maximum Discharge/Volume Relationship - Pawili River, San Vicente, Ocampo A-66 Daily Maximum Discharge/Volume Relationship - San Francisco River, Bobongsuran, Ligao A-67 Daily Maximum Discharge/Volume Relationship - Quinali River, Busac, Oas A-68 Daily Maximum Discharge/Volume Relationship - Talisay River, Aliang, Ligao A-69 Daily Maximum Discharge/Volume Relationship - Pulantuna River, Napolidan, Lupi A-70 Daily Maximum Discharge/Volume Relationship Irraya River, Obaliw, Oas A-71 Daily Maximum Discharge/Volume Relationship - Sipocot River, Sabang, Sipocot A-72 Daily Maximum Discharge/Volume Relationship - Pawili River, San Roque, Bula A-73 Daily Maximum Discharge/Volume Relationship - Aslong River, San Isidro, Libmanan A-74 Daily Maximum Discharge/Volume Relationship - Culacling River, Del Rosario, Lupi A-75 Daily Maximum Discharge/Volume Relationship - Cabilogan Riyer, Bobongauran, Ligao Myra LIST OF FIGURES (cont.) A-76 Daily Maximum Discharge/Volume Relationship - Agus River, Agus, Polangul A-77 Daily Maximum Discharge/Volume Relationship - Nasisi River, Nasiai, Ligao A-78. Area-Base Flow Relationships of Catchments within the Bicol River Basin A-79 Regions of Watersheds with Runoff Coefficients at Flood Conditions A-80 Peak and Daily Maximum Flows - Pulantuna River, Napolidan, Lupi A-81 Peak and Daily Maximum Flows - Aslong River, San Isidro, L-.bmanan A-82 Peak and Daily Maximum Flows - Culacling River, Del Rosario, Lupi A-83 Peak and Daily Maximum Flows - Yabo River, San Isidro, Naga A-84 Peak and Daily Maximum Flows - Anayan River, San Roq* , Pili A-85 Peak and Daily Maximum Flows - Pavili River, San Roque, Bula A-86 Peak and Daily Maximum Flows - Pawili River, San Vicente, Ocampo A-87 Peak and Daily Maximum Flows - Barit River, Sto Nifo, Iriga A-88 Peak and Daily Maximum Flows - Agvs River, Agus, Polangui A-89 Peak and Daily Maximum Flows - San Agustin River, Libon A-90 Peak and Daily Maximum Flows - Talisay River, Aliang, Ligao A-91 Peak and Daily Maximum Flows - Qvinali River, Busac, Oas A-92 Peak and Daily Maximum Flows - Irraya Riv.r, Obaliw, Oas A-93 Peak and Daily Maximum Flows - Nasisi River, Nasisi, Ligao A-94 Peak and Daily Maximum Flows - San Francisco Bobougsuran, Ligao A-95 Peak and Daily Maximum Flows - Bicol River, Sto. Domingo, Nabua -vi LIST OF FIGURES (cont.) A-96 Peak and Daily Maximum Flows - Bicol River, Cuyapi, Libmanan A-97 Peak and Daily Maximum lows - Sipocot River, Sabang, Sipocot A-98 Peak and Daily Maximum Flows - Libmanan River, Planza, Libmanan A-99 Peak and Daily Maximum Flows - Bicol River, Naga A-lO0 Peak and Daily Maximum Flows - Bicol River, Baliwag Nuevo A-lO1 Peak and Daily Maximum Flows - Bicol River, Ombao, Bula A-102 Peak and Daily Maximum Flows - Bicol River, Sto. Domingo, Nabua A-103 Peak and Daily Maximum Flows - Lake Bato A-I04 Peak and Daily Maximum Flows - Cabilogan River, Bobongsuran, Ligao A-l05 Monthly Distribution of Rainfall at Pili A-106 Low Rainfalls - Sipocot A-107 Low Rainfalls - Yabo, Pili and Naga A-107a Low Rainfalls - BRCES, Pili