Download - Week61
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Course Spatial Data Infrastructures
GRS21304 / K075219
Period 1 2003-2004
INTRODUCTION
Case ‘SDI-Use’
Week 6
6 October 2003 (10.30 –12.30)
Joep Crompvoets (+ Mary-Ellen Feeney)
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Overview – SDIs & Decision Support
1. Introduction & Background 2. Decision Process
Availability Accessibility Applicability
3. Types of Decision-Making4. Supporting Decision Makers through
the SDI Hierarchy5. Examples & Discussion6. Introduction case ‘SDI-Use’
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SDI is developed to enable ready access to spatial information
to support decision-making at different scales
for multiple purposes…
SDIs & Decision Support
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The purpose of SDI is always to support some form of decision,
regardless of the application area
SDIs & Decision Support
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spatial information is one of the most critical elements underpinning decision- making for many disciplines,
an estimated 90% of all information used by government has spatial characteristics or attributes,
What is significant about Spatial Decision-Making?
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70-80 % cost of any GIS project is spent for data collection, maintenance,...
the same data sets will be collected by different agencies again & again.
Spatial Data & Information
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Avoiding costly duplication of data c
collection & maintenance
& encouraging access to common & up-to-date data for all to use in their decision-making.
SDI Decision-Support Motivations
… … What is the significance of What is the significance of
this?this?
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Facilitates the Decision Process
AND
Facilitates different Types of Decision- Making
SDI Decision-Support Capability
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Data Management
Real World
Analysis
Users
Data Sources
Data Collection
Input of Data
Data Retrieval
& Analysis
Information for
decision-making
Take Action
SDI and The Decision Process
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Availability
Accessibility
Applicability
Information for decision-making
Enabling action in the real world
The Decision Process
Spatial Data Infrastructure
SDI and the Decision Process
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Number of Datasets
Data options for decision-making
SDI and The Decision Process
Available
to use in decision-making
Accessible
to the decision-maker
Applicable
to the problem using available technologies
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Different Specialist & Process Knowledge e.g. biophysical &
socioeconomic systems
Science Management
Existing egs of problems to be addressed
Different FieldsLocations
Disciplines
Application Areas
Available for use in Decision-Making
Between departments & organisations
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StakeholdersPolicies Skills and Training
Who ?
Incentives ?
Needs ?
Decision Makers
Decision Processes
Accessible to Decision Makers
Privacy
Pricing
Access
To find, download, use
data…
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Usability, adaptability, user interfaces
Data
Models
Tools
Interface
Applicable to the Problem
For overlay & analysis
Interoperability & flexibility to work with other tools for decision support
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Type, content, format, metadata,
language, availability, volume
etc.
Data
BiophysicalSocioeconomic
metadata and meta models
Models
Applicable to the Problem
For overlay & analysis
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GIS - statistics, maths, visualization,
wayfinding algorithms etc.
Tools
Graphical user interfaces, visual
programming languages,
HTML, XML, GML, web based
technology etc.
Interface
Usability, adaptability,
user interfaces
Interoperability & flexibility to work with other tools for
decision support
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Data
ModelsGIS
Interface
Applicable to the Problem – E.G.
The combination of basic data, yield modelling, & human demand & location analysis provides a way to evaluate food security
+
Grain Yield Prediction
Demographic & Economic
Soils, Climate, Topography etc.
Where people live & Grain demand for these settlements etc.
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Facilitates the Decision Process
AND
Facilitates different Types of Decision-Making
SDI Decision-Support Capability
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SDI Development
SDI is an initiative intended to enable
all spatial data stakeholders
to cooperate with each other & interact with technology
in an effective and efficient way
to better achieve their objectives
within an administrative or political level
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SDI Development
Global SDI
Regional SDI
National SDI
State SDI
Local SDI
Corporate SDI
Less detailed dataLess detailed data
More detailed Data
The principle objective for any stakeholder is to support their decision-making.
More detailed dataMore detailed data
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What types of Decision-Making ?
Organisational theory classifies decision-making into fundamentally three different types:
Strategic Management or Tactical Operational
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What types of Decision-Making ?
Organisational theory classifies decision-making into fundamentally three different types:
StrategicManagement or TacticalOperational
Strategic decision-making is concerned with long-term goals & policies for resource allocation/management to meet defined objectives
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What types of Decision-Making ?
Organisational theory classifies decision-making into fundamentally three different types:
StrategicManagement or TacticalOperational
Tactical decision-making is concerned with the acquisition & efficient utilization of resources to achieve defined goals
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What types of Decision-Making ?
Organisational theory classifies decision-making into fundamentally three different types:
StrategicManagement or TacticalOperational
Operational decision-making is concerned with the effective & efficient use of resources for execution of specific tasks
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Types of Decision-Making
More structuredMore structured
More UnstructuredMore Unstructured
Tactical/Managerial Strategic Operational
Requires detailed data & uses tools for analysis & integrationRequires detailed data & uses tools for analysis & integration
Often less detailed data available & so requires good tools for
modeling & forecasting
Often less detailed data available & so requires good tools for
modeling & forecasting
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Types of Decision-Making
More structuredMore structured
More UnstructuredMore Unstructured
Requires detailed data & uses tools for analysis & integrationRequires detailed data & uses tools for analysis & integration
Often less detailed data available & so requires good tools for
modeling & forecasting
Often less detailed data available & so requires good tools for
modeling & forecasting
StructuredStructured
UnstructuredUnstructured
Semi -Structured
Semi -Structured
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computer-based systems support spatial decision-making through data
collection & management visualisation, analysis & integration modelling & forecasting
& allowing more effective & efficiently execution…
For example GIS, DSS
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1970 1985 1995 2000 2005
GIS
Spatially Enabled Databases
Mobile Location-based Services & Solutions
Web-based DSSInternet GIS
Web-based Spatial Data Clearinghouses
Time
The development of increasingly complex spatial decision-support tools to assist in different types of decision-making is reported in A trend in Automated
Cartography (Kelmelis, 2001)
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Types of Decision-Making
More structuredMore structured
More UnstructuredMore Unstructured
Tactical/Managerial Strategic Operational
Requires detailed data & uses tools for analysis & integrationRequires detailed data & uses tools for analysis & integration
Often less detailed data available & so requires good tools for
modeling & forecasting
Often less detailed data available & so requires good tools for
modeling & forecasting
Emphasis is on analyzing relationships & representing how the
world looks/ reality & acting
Emphasis is on analyzing relationships & representing how the
world looks/ reality & acting
Emphasis is on modeling how the
world works/ potential realities &
planning
Emphasis is on modeling how the
world works/ potential realities &
planning
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Types of Decision-Making
More structuredMore structured
More UnstructuredMore Unstructured
Increasing decision-making complexity
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The number of criteria to be considered
The number of decision makers or people involved in the decision process
The location of decisions in time & space
What do we mean by Decision Complexity?
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Strategic vs Managerial/Tactical vs Operational
With different levels of complexity
Utilizing a variety of decision-support tools
Why is it important that SDIs support different types of
decision-making?
To support the objectives of stakeholders making decisions at different administrative & political levels
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Decision-Making & the SDI Hierarchy
Global SDI
Regional SDI
National SDI
State SDI
Local SDI
Corporate SDI
SDI LevelSDI Level
Strategic
Management/Tactical
Operational
Decision-MakingDecision-Making
SDI need to support different types of decision-making To support the objectives of & between different political & administrative levels in the SDI hierarchy.
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Example 1:
Global SDI
Regional SDI
National SDI
State SDI
Local SDI
Strategic
Decision-MakingDecision-Making
Management/ Tactical
Decision-MakingDecision-Making
Operational
Decision-MakingDecision-Making
Malaria Occurrence
Data
Continental Malaria
distribution Maps
Used for planning, intervention & prevention by
national & international health
officials
Malaria Seasonality
Data
Malaria Endemnicity
DataSpatial
Models on geographic distribution,
seasonality & endemnicity
Mapping Malaria Risk in Africa
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Example 2: Food Insecurity in Africa
Global SDI
Regional SDI
National SDI
State SDI
Local SDI
Strategic
Decision-MakingDecision-Making
Management/ Tactical
Decision-MakingDecision-Making
Operational
Decision-MakingDecision-Making
Estimates of animal/veg
amt & vigour
Satellite Imagery
17 countries participate in Famine Early Warning System
Market & condition
monitoring
Predictive rainfall/
weather data
Yield data
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Example 3:
Global SDI
Regional SDI
National SDI
State SDI
Local SDI
Water Insecurity in Victoria
Strategic
Decision-MakingDecision-Making
Management/ Tactical
Decision-MakingDecision-Making
Operational
Decision-MakingDecision-Making
Estimates of distribution & qty reserves
Fire risk, Drought risk, Export commitments (e.g. wheat)…etc.
Predictive rainfall/
weather dataRestriction
thresholds & implementation
Predictive consumption
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Case SDI-Policy
DESCRIPTIONYesterday (5 October, 2003), a national disaster happened in Utopia. The East part of the country (Purgatory Town) was hit by an earthquake (7.8 on the scale of Richter). The whole area is in ruins. Thousands of people died and many more are injured. The local fire stations and hospitals are damaged and not operational. Since an implemented SDI is missing and local archives are ruined, access to data sources for (vital) geo-information about the area has become impossible.
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Purgatory city
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Today (8:00 AM), the Minister of State for the Interior received the "master plan" which your SDI-project team had submitted last Friday. During this week he will have several meetings with your team about the proposals included that document, because next Friday he has to present and defend the national SDI master plan in the parliament. After having gone through your report a first time, he asks your team whether the suggested SDI (if implemented) would have suited the current needs of the emergency services for decision-making. In addition, he notices that in his opinion several potential SDI-users and their SDI-requirements are missing. He wants to receive a reply to his question and a revised list of potential users on the shortest possible term.
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Assignment
Extend the current list of the potential SDI-users. Define for each of these the user requirements for decision-making. Trace, whether the proposed Utopia SDI, if available now, would have survived the earthquake, and if so, whether it could have supported the emergency services for their decision-making under the circumstances the earthquake has caused. Motivate your answer.
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ObjectivesList the (emergency) users
Determine their main Level of hierarchy
Determine their SDI-requirements for decision-making
Analyze (proposed) Utopian SDI suitability to meet these requirements (especially in case of emergency).
Determine criteria for analysis
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Good luck with the
case assignment