Rsgis Environmentalmonitoring
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Transcript of Rsgis Environmentalmonitoring
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
Presentation OverviewPresentation Overview
I. I. IntroductionIntroduction II. II. Data & MethodData & Method III. III. Result & DiscussionResult & Discussion IV. IV. ConclusionConclusion
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
A. EnvironmentA. Environmental Damageal Damage
Vegetation damageVegetation damage Soil erosionSoil erosion DesertificationDesertification Water pollutionWater pollution Soil pollutionSoil pollution Wildlife impactWildlife impact ……..
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
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
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-…-…
DD. Goal. Goal
Environment monitoringEnvironment monitoring Rapid monitoringRapid monitoring Baseline information for Baseline information for
-environment assessment -environment assessment
-ecological restoration-ecological restoration
II. Data & MethodII. Data & Method
A. DataA. Data B. MethodB. Method
A. DataA. Data
TM (RGB432) RS image Topography sketch map
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
III. Result & DiscussionIII. Result & Discussion
A. A. Environment FactorsEnvironment Factors B. DiscussionB. Discussion
Environment factorsEnvironment factors
Vegetation Coverage Land-use
Environment factorsEnvironment factors
Watershed Slope
Environment factorsEnvironment factors
Soil Erosion Desertification
Environment factorsEnvironment factors
Coal Mine Distribution Precipitation
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
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
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
Thank you!Thank you!