AWCI SESSION, 12TH AOGEO SYMPOSIUM, 3/11/2019, CANBERRA, AUSTRALIA[NATIONAL REPORT]PLATFORM ON WATERRESILIENCE AND DISASTERS
IN THE PHILIPPINES
Mr. Michael T. Alpasan, DPWH
Mr. Socrates F. Paat Jr., DOST-PAGASA
Mr. Jonathan P. Victolero, DOST XI
Dr. Patricia Ann J. Sanchez, University of the Philippines Los Baños

NATIONAL REPORT ON
THE PLATFORM ACTIVITY

Concept of Platform

Progress of Platform Activity
 1st Plenary Meeting
Concept sharing
13/3/2017, Metro Manila
Platform formulationnd 2 Plenary Meeting
Data sharing guideline
15/6/2017, Metro Manila
Data list creation
 Representative Meeting Data list confirmation
18/9/2017, Hanoi
 Individual Meeting
Secretariat assignment
7-9/2/2018, Metro Manila Data collection
 Individual Meeting
Secretariat assignment12-13/3/2018, Metro Manila HLPW outcome document
 Stakeholders Meeting Data upload
18/5/2018, Davao 11th GEOSS Symposium Regional coordination
24-26/10/2018, Kyoto
 3rd Plenary Meeting
Activity update
7/2/2019, Metro Manila
implementation

Data Sharing Guideline
Category 1:
Fully open
Category 2:
Among Platform
Category 3:
With permission2NATIONAL REPORT ONTHE PLATFORM ACTIVITY

AgencyDPWH
DOSTThe 3rd Plenary Meeting of Platform
DENR
DILG
DND
DSWD
LGA
MGB
NEDA

Office/Division
UPMO-FCMC
Regional Office III
Regional Office XIPAGASAPHIVOLCSPCIEERD
Regional Office II
Regional Office III
Regional Office XI
NAMRIA
Regional Office XIWSSPMO-OPDS
OCD
Regional Office XIRegional Office III
Regional Office XI

NWRB
PSA
NIA
UP Los Banos
UP Diliman
UP Mindanao
Univ. of Tokyo EDITORIAICHARMTyphoon
Committee

78 participants from 28 offices

3NATIONAL REPORT ONTHE PLATFORM ACTIVITY
Institutional Structure

4NATIONAL REPORT ONTHE PLATFORM ACTIVITY
Activity Plan

5

NATIONAL REPORT ON
THE PLATFORM ACTIVITY
1. Data Integration

Geospatial
Authority

Environment
Depart.

HazardHydro-met
Division

Socioeconomy

EconomicAuthority
Trade &Industry Depart.

StatisticAuthority

OverallSci. & Tech.
Depart.
LGU

DamageRiver
BureauAgricultural
Depart.
Space
AgencyDisaster
Division

6

NATIONAL REPORT ON
THE PLATFORM ACTIVITY

Metadata Template
Category

DEM(ifSAR)

1. Data Integration
DamageData
Casualties &missing person
Num. of affected
peopleSource ofinformation
OCD
OCD

Agricultural
damageDA

Housing damage

OCD

Damage tocriticalinfrastructure
Direct economic
loss other thanagricultural loss

DPWH, LGU

LGU
NEDA

Meteorologicaldata

DEM (LiDAR)
DEM (ifSAR)
Hydromet data

Source ofinformation

Data

LGU, DOSTNAMRIA

Agriculture

PSA, DAPAGASA, ASTI,DREAM

Inundation
depth (interview)

PAGASA

RainfallPAGASA

Population

PSA

Infrastructure

DPWH/LGU

Industry

DTI

Commerce

DTI

Drainage facility

DPWH/LGU

Information

PSA, NEDA

DPWH, UP
Mindanao

SectoralRegional GDP

PSA

DPWH, UP
Mindanao

Sectoral
employed
population

PSA

Tax revenue

BIR

Land priceCity Assessors
OfficeNAMRIA

HazardNAMRIAGrid

PAGASATime series(Point)PAGASATime series(Point)DigitalPaper

DigitalPaper

Water level

PAGASATime series
DPWH(Point)
DigitalUP Mindanao

River flow

PAGASATime series
DPWH(Point)DigitalUP Mindanao
Paper

DPWH

Geometry

NAMRIATime series(Point)UP Diliman

Map

PAGASA

Map/Point

NIA

Time series(Point)OCD

Statistics

OCD

Statistics

DA

Statistics

OCD

Statistics

DPWH
LGU

Statistics

LGU
Economic damage NEDA

Statistics

River cross section UP Mindanao (Point)

Tidal level

Source ofinformation

Land use

UP Diliman, UP
Mindanao

Collected

Socioeconomic

UP MindanaoInundationdepth (LiDAR)

Tidal level

Data Type

Paper

Data

River crosssectionSource ofinformation

UP Mindanao Grid

RainfallHazardRiver flow

Data
DEM(LiDAR)

Inundation depth(LiDAR)
Inundation depth(interview)
Dam operation
Casualties &missing person
Affected people
Agriculturaldamage

DamageHousing damage
CriticalinfrastructuredamageDigitalPaper

DigitalPaper

DigitalPaper

DigitalPaper
DigitalPaper

DigitalPaper

DigitalPaper

DigitalPaper

DigitalPaper

DigitalPaper

PSA

Grid/Statistics

LGU
DOST
NEDA
DENR
PSA
DA
DENR

Map/Statistics

DPWH
LGU

Map/Statistics

DTI

Map/Statistics

DTI

Map/Statistics

Map/StatisticsDrainage facility

DPWH
LGU

Map/Statistics

Information

DPWH
LGU
PSA

Map/Statistics

PSA

Map/Statistics

Map/Statistics

Tax revenue

DPWH
LGU

Map/Statistics

Land price

PSA
NEDA

Population

Land use

Agriculture

Infrastructure

Industry

Commerce

Socioeconomy

Sectoral regional
GDP
Sectoral employed
population

DigitalPaper
DigitalPaper

Map/Statistics
DigitalPaper

DigitalPaper
DigitalPaper

DigitalPaper
DigitalPaper
DigitalPaper

DigitalPaper
DigitalPaper
DigitalPaper
DigitalPaper

Specification
Year:
Area: Davao River basin
Spatial Resolution: 10m
Elements:
Year:
Area: Davao River basin
Spatial Resolution: 5m
Elements:
Name(s) or Total number: 10Period: 1980-2016
Temporal Resolution: Daily
Elements: Meteorological observation
Name(s) or Total number: 10
Period: 1980-2016
Temporal Resolution: Daily
Elements: Meteorological observation
Name(s) or Total number:
Period:Temporal Resolution:
Elements:
Name(s) or Total number: 1 (Davao, Lacson, Calinan)
Period: 2/2001 - 12/2017
Temporal Resolution: occasional
Elements: Field discharge measurement
Name(s) or Total number: 270
Period: 2003
Temporal Resolution: Elements: Field measurement
Name(s) or Total number:
Period:Temporal Resolution:
Elements:
Year: 2016
Area: Davao City
Spatial Resolution: 1/500000
Elements: Flood hazard map (100 year return period, 1.5m depth)
Year:
Area:
Spatial Resolution:
Elements:
Name(s) or Total number:
Period:Temporal Resolution:
Elements:
Period: 2012, 2013, 2014, 2015, 2016, 2017 (event-base)
Area: Region XI
Province
NationRegionCity
Municipality
Scale:
Elements: Dead, Injured, Missing
Period: 2012, 2013, 2014, 2015, 2016, 2017 (event-base)
Area: Region XI
Province
NationRegionCity
Municipality
Scale:
Elements: Families, Persons
Period: 2010, 2011, 2012, 2014, 2015, 2016
Area: Region XI
Province
NationRegionCity
Municipality
Scale:
Elements: Affected area, Production loss
Period: 2012, 2013, 2014, 2015, 2016, 2017 (event-base)
Area: Region XI
Province
NationRegionCity
Municipality
Scale:
Elements: Number of damage houses
Period: 2012, 2013, 2014, 2015, 2016, 2017 (event-base)
Area: Region XI
Province
NationRegionCity
Municipality
Scale:
Elements: Estimated cost of infrastructure
Period: 2012, 2013, 2014, 2015, 2016, 2017 (event-base)
Area: Region XI
Province
NationRegionCity
Municipality
Scale:
Elements:
cost ofof infrastructure
infrastructure andlements: Estimatedstimated costand agriculture
agriculture
Year: 1960, 1970, 1975, 1980, 1990, 1995, 2000, 2007, 2010, 2015
Area: Region XI
Spatial Resolution: Regional
Elements: Population Census
Year:
Area:
Spatial Resolution:
Elements:
Year: 2015, 2016, 2017
Area: Nation
Spatial Resolution: National
Elements: Value of Production, Farm gate Price, Volume of Production
Year:
Area:
Spatial Resolution:
Elements:
Year:
Area:
Spatial Resolution:
Elements:
Year:
Area:
Spatial Resolution:
Elements:
Year:
Area:
Spatial Resolution:
Elements:
Year:
Area:
Spatial Resolution:
Elements:
Year: 2015, 2016, 2017
Area: Region XI
Spatial Resolution: Regional
Elements: Sectoral region GDP at current prices & at constant 2000 prices
Year: 2017, 2018
Area: Nation
Spatial Resolution: National
Elements:
Year: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Area: Region XI
Spatial Resolution: Regional
Elements: Income tax, Gross income
Year:Area:
Spatial Resolution:
Elements:

7

Barangay

Barangay

Barangay

Barangay

Barangay

Barangay

NATIONAL REPORT ON
THE PLATFORM ACTIVITY
1. Web-based Data Uploading System
Input Item;• Data Domain, Area, District :• Category:• Data Source• Data Type• Period• Resolution

8

NATIONAL REPORT ON
THE PLATFORM ACTIVITY
2. Flood Forecasting & Early Warning
Pampanga River basin•••••

Catchment Area: 10,434km2River Length: 260km
Annual Rainfall: 2,155ｍｍ
Rain Gauge: 17 stations
Water Level: 11 stations

Observation

Land use

Flood vulnerability
9NATIONAL REPORT ON
THE PLATFORM ACTIVITY
2. Flood Forecasting & Early Warning (Model Calibration)
Unit

forestcropwater

Sapang Buho Station
NSE= 0.63

20406080

26-Sep27-Sep28-SepGround Rainfall Data

Discharge, cms

0Rainfall, mm

8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
-30-Sep

Observed Discharge

1-Oct

2-Oct

Simulated Discharge

San Isidro Station

6,000
5,500
5,000
4,500
4,000
3,500
3,0002,500
2,000
1,500
1,000500-

26-Sep29-Sep0

NSE= 0.68

Rainfall, mm

Discharge, cms

MODIS 8days composite

2040608027-Sep

28-Sep29-SepGround Rainfall Data30-Sep

1-Oct

2-Oct

Observed Discharge

10NATIONAL REPORT ON
THE PLATFORM ACTIVITY
2. Flood Forecasting & Early Warning (Full Design)
Numerical
Weather
Prediction

Satellite Rainfall

GSMaP

In-situGauge

In-situ

Radar

Cloud ImageHIMAWARI-8DamOperation

Satellite Image

ALOS-2

ALOS © JAXA (2016)

RRI Model
Simulation

Monitoring

Forecasting

Flood prevention& evacuation•••

Inundation extent
Inundation depthRiver discharge

11NATIONAL REPORT ON
THE PLATFORM ACTIVITY
2. Flood Forecasting & Early Warning (Preliminary)In-situ

Gauge

PAGASA
Authorized ServerPart

Satellite Rainfall

Realtime
Access

GSMaP

Cloud ImageHIMAWARI-812NATIONAL REPORT ON
THE PLATFORM ACTIVITY
3. Climate Change Impact (Pampanga River Basin)

Annual total

Weather Research and Forecasting (WRF) ver.3.4.1
Horizontal resolution: 15km/ 5km
Coordinate: 67×67×40 (outer), 67×67×40 (inner)
Cumulus parameterization: Grell 3D
Microphysics: WSM3class
PBL scheme: MYNN2.5Surface: Thermal diffusion

JJA

DJF

Pastclimate

Futureclimate
RCP8.5Difference(future)-(past)

Raingauges

Pampanga River Basin

Seasonal Variation of Rainfall(a little increase, but not much)

Rainfall distribution in past and future climate

46% increase of 1/50 extreme rainfall⇒One flood event causes more damage

13NATIONAL REPORT ON
THE PLATFORM ACTIVITY
3. Climate Change Impact (Davao River Basin)

Annual total

WRF model setting
Outer frame: 15km, 100x100
Inner frame: 5km, 79x79
Vertical layer: 40Cumulus: Grell 3DRaingauge
Past Climate
Future Climate(RCP8.5)

Davao River
Area: 1623 km2Length: 160 km

Δx=5kmDJF

JJAPastclimate

Futureclimate
RCP8.5Difference(future)-(past)

Seasonal Variation of Rainfall(increase during July to September)

Rainfall distribution in past and future climate

33% increase of 1/50 extreme rainfall & July-September rainfall increase 45%⇒Average discharge increases + one flood event causes more damage

14NATIONAL REPORT ON
THE PLATFORM ACTIVITY
4. Economic Assessment
Production

Private Capital Stock
Kp
Build Back Better

Operational Ratio of Society

100%

Damage of Depreciable
Assets of Offices

Emergency Response

Y=AKpαLβLabor Force
LResilience
Robustness

Production
FunctionWith countermeasures
Without countermeasures（GRP:GrossRegionalProduct）
Y

Number of Days with business interruption
and Delays due to disaster-related deaths⊿Y =Yafter－Ybefore =(AKafterα L afterβ )－ (AKbeforeα L beforeβ )15

NATIONAL REPORT ON
THE PLATFORM ACTIVITY
5. Contingency Planning

Ordinary Flood (10 Years)

High Flood (30 Years)

Pampanga River Basin:
Catchment Area: 10,434 km2
River Length: 260 km
Average annual rainfall:
2155 mm/year

Calumpit Municipality:
Calumpit
Municipality

Metro ManilaPopulation: 112,007
Barangay(Local community unit): 29
Households: 22,402
Area: 5,625 ha
2011Typhoon Pedring

Extreme Flood (100 Years)
Interferometric Synthetic
Aperture Radar (IfSAR)
Data provided by NAMRIA,
Philippines, was used in thecalculation (grid size/ 5m).

Source: OCD-3/PRFFWC

16

NATIONAL REPORT ON
THE PLATFORM ACTIVITY
5. Contingency Planning
Total Score

District-base analysis① Lead time to startevacuation② Duration ofevacuation

ID

100yrs

50yrs

30yrs

10yrs

1storyB

B

B

C

2storyAA

A

A

1storyAB

B

C2storyAA

B

B

CC

C

DDDDEAAAAAA

AA③-1 Iundation depth atrepresentative point③-2 Inundation depth atBarangay Hall
④ Iundation deoth atevacuation centers⑤ Distance to nearby
evacuation centers⑥ Interruption of transportation

AB

AC

A
C

A
C

Location

Sub-total

100yr

50yr

30yr

10yr

Total

01 Sapang Bayan

A

32

A

31

B

29

C

24

B

02 Gatbuca

B

25

C

24

C

23

D16

D

88

03 Frances

B

28

C

24

C

23

C

20

D95

04 Meysulao

A

31

A

32

A

30

B

28

A

121

05 San Miguel

B

29

B

28

B

25

C

20

C10211606 Sto. Nino

B

29

B

29

B

27

C

24C

109

07 Calizon

A

34

A

31

B

29

B

28

A

122

08 Caniogan

B

27C

23C

20

D

17D

87

09 Bulusan

A

33

A

33

A

31

A

30

A

127

10 Sta. Lucia

A

34

A

31A

31

B

27

A

123

11 Meyto

A

31

B

29

B

28B

27

B

115

12 Panducot

B

29

B

27

B

25

C

21

C

102

13 San Jose

A

32

B

28

B

28

B

26

B

114

14 Gugo

A

30

B

28

C

23

C

20

C

101

15 Pungo

C

20

D

18

D

18

E

12E

68

16 Iba O'Este

D17E

14E

14

E

14E

59
108

17 Iba Este

B

29

B

29B26C

24

C

18 Corazon

B

26

B

25

C

24

D

18

D93

19 Poblacion

B

26

B

25

C

24

C

20

D

95

20 Balungao

B

26

B

25

C

24

D

17

D92

21 Sucol

B

27

B

26

B

25

C

21

D

99

22 Balite

B

26

C

24

C

24

D

16

D

90

23 Sergio Bayan

B

26

B

26

C

23

D

16

D

91

24 Buguion

B

27

C

23

C

20

E

12

E

82

25 Palimbang

B

25

C

23

D

18

E

13

E

79

26 Pio Cruzcosa

D

17E

13

E

11

E

11

E

52

27 San Marcos

C

24

C

22

C

23

D15

E

84

28 Calumpang

D15E

11E

11E

10E

47

29 Longos

B

26C22D18E12E78

Google Earth Street View withinundation visualization(High Flood Case)

Identify the flood hot spots

17PROPOSAL OF
CAPACITY DEVELOPMENT
Activity DesignExperiencing
Climate Change

Strengthening
Resilience

Toward theProsperous Davao

Climate change impact
assessment based on S&T

Predict climate change
impact and scenario

Design a brilliant future

Visualization

Resilient society beyondsaving lives

Coordination with relevant
ongoing energies
Be Climate
SAFE: S&T Action
Smart NOW
Frontline for Emergencies
and Hazards Program

Evacuation
Area Business
BCM; Continuity
Management

1/100 Flood(200m grid)Experiencing
EventsInfrastructure
designResilientcommunities“Nudging”
psychological process
to disaster risk

Incentive forinvestment

Groundwater Agriculture, Aquaculture biodiversity
and Natural Resourcesuse(AANR)
Setting All

Attractive
policy proposal

Bright tomorrowof Davao
18

PROPOSAL OF
CAPACITY DEVELOPMENT
Workplan of Capacity Development on Climate Change in Davao City
1. CC Orientation
Objective- Contribution adaptation
measures development- Encouragement andcoordination of multistakeholder engagement
Oct.
2019
Expected Output- Activity design for CCadaptation- Barangay-level damage
data analysis

2. Platform Plenary
Meeting
Objective- Status sharing andupdate of the Platform
activities among allmembers- Discussion on further
activities of Platform
Apr.
2020
Expected Output- FF System for DavaoRB- Data integration
examples3. DIAS End-user
Training

4. Policy &Benchmarking WS

Objective- To capacitate end-users
on the know-how of DIAS
- To maximize theutilization of DIAS

Objective- Contribution to local
policy-making on CC- Best practice on theimportance, applicability
and usability.

2020
Expected Output- Data uploading bystakeholders- Data integration
products

2020
Expected Output- Policy proposal on CCadaptation to Mayor- Community action
19

PROPOSAL OF
CAPACITY DEVELOPMENT
On-the-job training on the Full Operation of the Flood
Forecasting and Early Warning System via DIAS

Demonstration of the System Operation
Via IEC and Flood Drill
Collaboration among Stakeholders (PAGASA, OCD R3,DPWH, DOST, LGU-Pampanga and LGU-Davao City, etc.)

20

PROPOSAL OF
CAPACITY DEVELOPMENTSATREPS: Development of Hybrid Water-Related Disaster Risk Assessment Technology for SustainableLocal Economic Development Policy under Climate Change in the Philippines (2019-2024)
1. Collect and Integrate Data (DIAS)
Pampanga
River Basin

PasigMarikina
River
Laguna LakeandSurrounding
Watersheds(24)

2. Assess Flood and Drought Risk
3. Assess Water-related Disaster Resilience
4. Propose Policy Recommendations forsustainable local economic Development
Capacity Development Activities:
Training Seminars in Japan and Philippines
1. Data upload and Download
2. Flood and Drought Risk Assessment
3. Water-related Disaster Resilience Assessment

Paris Agreement
Sendai Framework
SDGs 1 (Poverty), 2(hunger), 6(safe water),11(human settlements),13(climate change)

21

PHILIPPINE ROADMAP/STRATEGIC WAY FOR“Strengthening theGLOBAL AGENDA
Resilience of the Most

CC and DRR SAFE project

Vulnerable Coastal
Communities to Climate
Change in the Philippines'
Eastern Seaboard”(GCF-Funded Project)(2020-2022)* Sendai Framework* Paris Agreement 9, 10, 11* SDGs 1, 2, 6, 11, 13, 14

SATREPS Hybrid

Model for CC inthe Philippines(2019-2024)* Sendai Framework* Paris Agreement* SDGs 1, 2, 6, 11, 13(~2017)

Philippine Roadmap:* Sendai Framework* Paris Agreement* SDGs 6,11,13“Sustainable Development”
Sendai Framework
Paris Agreement
17 SDGs

Oasis Project(Flood and Insurance)(2018-2021)* Sendai Framework* Paris Agreement 9 , 10, 11* SDGs 1, 2, 11,1322