web gis based erosion modeling and management system in...
TRANSCRIPT
Jae Yang* and Kyung Jae LimPast-President of IUSS
Dept. of Biological Environment
Kangwon National Univ., Korea
WEB GIS Based Erosion Modeling and Management System in Korea
March 22 2017 SSORii EC JRC Soil Erosion Modeling 1
Surface Soil Information Portal System
Topography
March 22 2017 SSORii EC JRC Soil Erosion Modeling 2
Rainfall (R)
March 22 2017 SSORii EC JRC Soil Erosion Modeling 3
Agricultural land area having moderate to severe water erosion risk(1990-2010) (OECD, 2013)
Soil Loss MT/ha/yr
OECD Criteria
0-6 Tolerable
6-11 Low
11-22 Moderate
22-32 High
33- Severe
March 22 2017 SSORii EC JRC Soil Erosion Modeling 4
Average soil erosion 32ton/ha/yr> OECD average 11 ton/ha/yr Arable land: 1.8 M ha (20% of total land) Forest: 65%
Integrated Soil Quality and Value Assessment WEB GIS Soil Erosion Prediction & Warning System Korean Model of USLE Long-term Soil Erosion Assessment Environmental Impact Assessment for Surface Soil WEB GIS-based Surface Soil Management System
Phase I : 2014.4-2018.3 US$5M
Implementation of action plan for soil erosion assessment and control in Korea
March 22 2017 SSORii EC JRC Soil Erosion Modeling 5
Research Center of Surface Soil Resources: Inventory and Integration (SSORii)
22 March 2017 SSORii 6
Web-GIS Based Surface Soil Management System
Soil Value Assessment Manual
Erosion Type/CostEconomical Soil Management
Soil Erosion Prediction System
Web-GIS Soil Management System
March 22 2017 SSORii EC JRC Soil Erosion Modeling 7
D/B Maps Policy
Education
Awareness
BMP
Soil Quality and Soil
Erosion
Assessments
Ecosystem Service
Soil Quality
Policy Making
Stakeholders
Index Data
→ Soil Quality Parameters
→
Soil Ecosystem Function →
Integrated Soil Quality
(SQUAL)Chemical, physical & biological data Soil loss
(USLE A)
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Surface Soil Information Portal System
What is surface soil?
Education Contents
Soil Erosion Prediction System
DataSurface Soil Information at Watershed Level
Surface Soil Information Portal System
22 March 2017 SSORii 9
1. Soil Erosion Prediction by KUSLE
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KUSLE Surface Soil Information System
KUSLE
Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec.
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II. Surface Soil Erosion Prediction and BMP
Short-term System
Single-Plot
Multi-Plots
Soil Function Click
Click
Soil ErosionSafe Area
Soil ErosionConcerned Area
Current Grade
Improve Grade
Soil ErosionConcerned Area
BMP Click
Soil ErosionConcerned Area
BMP Suggestion
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III. Soil Erosion at Watershed Level
Watershed Information
Watershed AnalysisSoil Erosion at Watershed
Level
22 March 2017 SSORii 13
Land Use
Forest -> Agricultural Field : Change Land Use• Groundwater: 0.844 0.831 (Normalized Value)• Erosion: 30.65ton/ha/yr 31.74 ton/ha/yr
Click the Land Use Change
IV. Land Use Assessment System
Current Land Use: ForestForest
Agricultural Field
Groundwater Erosion
22 March 2017 SSORii 14
V. Mobile Service
• ICT technology convergence
• Expansion of field applications
• Maximize usability
THANK YOU!