rsgis environmentalmonitoring
TRANSCRIPT
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The Application of RS and GIS to The Application of RS and GIS to Environmental MonitoringEnvironmental Monitoring
---- A Case---- A Case Study in Shenfu Coal Mine SiteStudy in Shenfu Coal Mine Site
By Zhenqi HU, Shilu TANG By Zhenqi HU, Shilu TANG Institute of Land Reclamation & Ecological Restoration, Institute of Land Reclamation & Ecological Restoration,
China University of Mining & Technology, BeijingChina University of Mining & Technology, Beijing
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Presentation OverviewPresentation Overview
I. I. IntroductionIntroduction II. II. Data & MethodData & Method III. III. Result & DiscussionResult & Discussion IV. IV. ConclusionConclusion
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I. IntroductionI. Introduction
A. Environmental DamageA. Environmental Damage BB. Loess Plateau & Study Site. Loess Plateau & Study Site C. Application of RS and GISC. Application of RS and GIS DD. Goal. Goal
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A. EnvironmentA. Environmental Damageal Damage
Vegetation damageVegetation damage Soil erosionSoil erosion DesertificationDesertification Water pollutionWater pollution Soil pollutionSoil pollution Wildlife impactWildlife impact ……..
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B. Loess PlateauB. Loess Plateauloessloess
——erosion-prone erosion-prone soilsoil
——susceptible to susceptible to the forces of the forces of wind and waterwind and water
——fragile to human fragile to human activity, such as activity, such as miningmining
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Coal mining areaCoal mining area Simple geology conditionSimple geology condition Loess PlateauLoess Plateau DroughtDrought Severe soil erosion and desertificationSevere soil erosion and desertification ……
B. Study SiteB. Study Site
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C. Application of RS and GISC. Application of RS and GIS
Geomatic Technology Geomatic Technology RS: Remote sensingRS: Remote sensingGIS: Geography information systemGIS: Geography information system
-acquisition-acquisition-digital processing-digital processing-interpretation-interpretation-spatial analysis-spatial analysis-…-…
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DD. Goal. Goal
Environment monitoringEnvironment monitoring Rapid monitoringRapid monitoring Baseline information for Baseline information for
-environment assessment -environment assessment
-ecological restoration-ecological restoration
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II. Data & MethodII. Data & Method
A. DataA. Data B. MethodB. Method
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A. DataA. Data
TM (RGB432) RS image Topography sketch map
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B. MethodB. MethodRS Data Topography Data Other Data
Pre-processingContour Watershed
Classification NDVI PCI DEM
SlopeLand-use
Vegetation
Desertification
Coal Mine Distribution
Precipitation
Soil Erosion
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III. Result & DiscussionIII. Result & Discussion
A. A. Environment FactorsEnvironment Factors B. DiscussionB. Discussion
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Environment factorsEnvironment factors
Vegetation Coverage Land-use
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Environment factorsEnvironment factors
Watershed Slope
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Environment factorsEnvironment factors
Soil Erosion Desertification
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Environment factorsEnvironment factors
Coal Mine Distribution Precipitation
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ResultResultShenfu Land Use
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
Shenfu Vegetation Coverage
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0-20% 20%-40% 40%-60% 60%-80% 80%-100%
Land use Vegetation Coverage
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ResultResultShenfu Soil Erosion
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
safe slight moderate serious
Shenfu Desertification
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
safe slight moderate high serious
Soil Erosion Desertification
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IV. ConclusionIV. Conclusion
RS + GISRS + GIS Mining + Loess PlateauMining + Loess Plateau Rapid & Effective DetectionRapid & Effective Detection Environment ProblemsEnvironment Problems Environment AssessmentEnvironment Assessment Ecological RestorationEcological Restoration
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Thank you!Thank you!