mapping and management system for flood risk map
DESCRIPTION
Mapping and Management System for Flood Risk Map. China I nstitute of W ater Resources and H ydropower R esearch ( IWHR). By Li Changzhi. Toronto, Canada, May 6-8, 2008. Outline. Background Framework Functions Remarks. I. BACKGROUND. Why we develop this system?. I. Background. - PowerPoint PPT PresentationTRANSCRIPT
Mapping and Management System for
Flood Risk Map
China Institute of Water Resources and Hydropower Research (IWHR)
Toronto, Canada, May 6-8, 2008
By Li Changzhi
Outline
Background
Framework
Functions
Remarks
I. BACKGROUND
Why we develop this system?
Flood risk mapping and management is important and urgent, but …?
I. Background
Different type of dataArcGIS, AutoCAD, MapInfo, MapGIS…
Different type of flood risk mapsFlood risk map for river (includes city)Flood risk map for detention basinFlood risk map for reservoir
Different baseEconomicTechnical
■■ FloodFlood
■■Flash floodFlash flood
■■Non FloodNon Flood
■■ FloodFlood
■■Flash floodFlash flood
■■Non FloodNon Flood
■■ FloodFlood
■■Flash floodFlash flood
■■Non FloodNon Flood
Pilot sites
Pangtoupao
The Yangzte River Basin
Linanyuan
The Songliao River Basin
Chaersen
Danjiangkou
Guanshan
Harbin
Chengdu
Yiyang
Lahai
Jingjiang
CityRiverReservoirDetention basin
I. Background
ChaersenMapGIS(*.wat)
PangtoupaoAutoCAD(*.dwg,*.dxf)
LaihaiAutoCAD(*.dwg,*.dxf)
HarbinArcGIS(*.shp)
I. Background
II. FRAMEWORK
How we develop this system?
Hierarchy of the platform
数据层用户
应用层用户
决策层用户
基破层用户(制定规范、验证规范、改进规范、服务其他用户)
WEB服务器
数据层用户
数据层用户
应用层用户
数据层功能模块
应用层功能模块决策层功能模块
C/S
C/S+BSC/S+BS
2006-10-24
基础层
数据库服务器1
2
34
By IP Address or Server Name
II. Framework of the platform
Common usersSpecial users
Map maker
Guiding rule maker
Main info in a flood risk map
General infoChina’s National Fundamental Geographic Info
Structural measures infoReservoirs, levees/dikes, detention basins…
Risk infoScope of floodingDepth of floodingVelocity of floodingTime of flood arrivalDuration of flooding
Risk-reduction infoVarious info for flood risk reduction
II. Framework of the platform
Standardization
Spatial data
Attribute data
Tables and their fields
Styles of layers
II. Framework of the platform
Component GIS
Powerful data integration
Flexible architecture
Integrated assemblageCore of GIS
General application software
Special industrial software
Internet-WEBGIS
Development tool -- SuperMap GIS
GIS Core
Special development
Application fields: land, military, water resources, environment …
III. FUNCTIONS
What can we do using this system now?
Main function modules
Some special functions
All maps browsing
In a detail map …
Integration of multi-sources data
Vector data
Raster data
III. Functions of the system - Some special functions
Make a new flood risk map
Name
Type•River/city•Detention basin•Reservoir
Sub-Basin
Administrative area
DatasourcesInfo type•Fundamental•Structural info•Risk info•Risk reduction
Available layers
Selected layers
III. Functions of the system - Some special functions
In a detailed map
display
List of maps
List of layers
Legend
III. Functions of the system - In a detail map
Show/hide layers Fundamental info layers
Structural measure info layers
Flood risk info layers
Risk reduction info layers
III. Functions of the system - In a detail map
Flood standard
Flooded area
Affected people
Affected property,Cities, railways, highways, etc.
III. Functions of the system - In a detail map
Evacuation way
Shelter
Water depth info
III. Functions of the system - In a detail map
Jiangwan town
Query the population and property in a flooded area
PopulationProperty
Flooded areaExposures
III. Functions of the system - In a detail map
Jingjiang Detention Basin
Map of water depthMap of flood arrival timeMap of flooding duration
III. Functions of the system – Map view
Map of water depthMap of flow velocityMap of flood arrival time
Danjiangkou Reservoir
III. Functions of the system – Map view
Waterloging in Chengdu city
III. Functions of the system – Map view
IV. REMARKS
What we learned from this work?
Specification – the baseDifferent management system – necessaryUser’s needs – the driving force
Flood managementLanduse planningFlood insuranceFlood risk popularization and education
Powerful GIS core – efficient toolSuperMap Objects, SuperMap iServer
Thanks for your any suggestions or comments!
Speaker: Li Changzhi
Email: [email protected]
Tel: 86-10-68781798Affiliation:China Institute of Water Resources and
Hydropower Research (IWHR)