spatial information system for management of small-scale ... presentations/amina-proposal... ·...
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Spatial Information System for Management of Small-scale Irrigation Schemes in Northern
Ethiopia
PhD proposal qualifier presentation
By: Amina Abdelkadir Mohammedshum
Supervisors: Dr.ir. Chris Mannaerts, Dr. Ben Maathuis , Dr. Daniel Teka
December 2, 2019
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Standardized Spatiotemporal Information forIrrigation Management of Small-scale Irrigation
Schemes
▪ Introduction
▪ Objectives
▪ Research approach
▪ Case study
▪ Expected outputs
Content
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Rainfed-agriculture is the main production system in the study area,
However
▪ Due to moisture stress, production is limited to rainy season
▪ The production and productivity through this system is very low
Introduction
In order to tackle this challenge, the regional government has introduced
several irrigation schemes
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▪ Irrigation is vital for realizing full potential of agricultural sector
▪ Efficient utilization of water resources
▪ Sustainable economic growth and poverty reduction
▪ Required in many arid and semi-arid areas during periods of
insufficient rainfall
Continued
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The Ministry of Water Resources Irrigation and Electricity (MoWIE)
▪ Irrigation development is classified based on the size of the
command area:
▪ Small-scale (less than 200 hectares (ha)),
▪ Medium-scale (200 ha to 3000 ha) and
▪ Large-scale is greater than 3000 ha
Continued
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Problem analysis
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Gaps
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▪ Inadequate knowledge on water use efficiency
▪ Lack of integration and coordination
▪ Advisory system lacks crop water requirements
▪ No standardized information system to monitor the existing irrigation schemes
▪ Irrigation water efficiencies are not well documented
▪ Lack of integrated assessment of small-scale irrigation schemes
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Objectives
Classify irrigation schemes using remote-sensingbased indices
Develop a spatial monitoring and
information system for small-
scale irrigation areas
Objective 1
Objective 4
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The proposed research project is to improve the planning and managements of water use
efficiency and agricultural water productivity in small-scale irrigation schemes.
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Model irrigation managementsystem in order to improve food security
Develop an irrigation on-a-stick of spatial
information system
Objective 1
Objective 4
Develop a system
For irrigation planning andmonitoring
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Researchworkflow
Research approach
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Research approach
Objective 1: Characterize small-scale irrigation schemes based on
socio-economic, technical, and institutional aspects
Evaluate irrigation performance using technical parameters
Evaluate irrigation performance using institutional assessment parameters
What are the socio-economic impacts of irrigation on livelihood of farmers?
What is the (technical) efficiency in use of water and water productivity in irrigation schemes in the study area?
What is the efficiency and effectiveness of local institutions in the planning and monitoring of an irrigation scheme?
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Objective 1 Methodology
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Research approach
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Objective 2: Classify irrigation schemes using remote-sensing-based indices in
order to facilitate feature extraction for mapping
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▪ How to map different types of small-scale irrigation schemes using remote sensing and
derived products?
▪ How to map small-scale irrigated areas at different scale?
Research approach
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Objective 2 Methodology
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Research approach
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Objective 3:
▪ How can water use efficiency and crop productivity using the Triple sensor approach be monitored?
▪ What is the agricultural water productivity of the irrigation scheme at Zamra catchment?
▪ How to improve the assessment of irrigation productivity at Zamra catchment?14
Evaluate irrigation scheme
performances using the
Triple sensor approach
In-situ/Farmers
ModelRS
Research approach
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Objective 3Methodology
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Research approach
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How will the IrSpIS improve the irrigation system performances?
What type of information should be provided at different scales and users?
Objective 4
Develop an irrigation on-a-stick Develop a spatial monitoring and
information system forsmall-scale irrigation
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What should be the characteristics of an operational irrigation spatial information system?
Research approach
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Objective 4Methodology
Research approach
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Scale Medium (100m)High (30m)
Different spatial and temporal scales information to different users
Low (250m)
Spatial scale
Temporal scale
Information
Users
Zamra catchment Irrigation scheme Irrigated field
Seasonal Monthly and seasonal 3-10 days
• Amount of water in the reservoir • Irrigated area• Crop water productivity
• Total irrigated area• Crop water productivity• Weather forecast
• Woreda irrigation experts• Landuse planners• Regional irrigation experts
• What to produce• When and how much irrigate
• Development Agents • Water Use Association
Objective 4Methodology
Research approach
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Case study
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This study will be conducted in Northern
Ethiopia Tekeze watershed, specifically in
the Zamra catchment
• Area is approximately 3492km2
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Expected outputs▪ Integrated assessment of small-scale irrigation schemes
▪ Mapping small-scale irrigated areas
▪ Monitoring of irrigation schemes water use efficiency and water productivity
▪ Develop a spatial monitoring and information system for small-scale irrigation
▪ To support irrigation managers towards improving water use efficiency and agricultural water
productivity
▪ Two MSc student theses will be included
▪ GTPII is to increase food production of irrigated lands by expansion of irrigation schemes and
rehabilitating existing ones
▪ Special emphasis on food security, water use efficiency and sustaining the environment20
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Time table
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Objective 1Objective 2Objective 3Objective 4
Q: Quarter
Activity
Years
I (Nov 2018- Dec2019)
II (Jan2019- Dec 2020)
III (Jan 2021- Dec 2021)
IV (Jan 2022- Dec 2022)
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
Literature review
Qualifier
Fieldwork
Objective 1
Activity 1
Activity 2
Activity 3
Objective 2
Activity 1
Activity 2
Activity 3
Objective 3
Activity 1
Activity 2
Activity 3
Objective 4
Activity 1
Activity 2
Activity 3
Activity 4
Final thesis
Progress reports
Defense
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Thank you