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!