1. Augustine Avwunudiogba Department of Geography MODELING SOIL EROSION RIO PANUCO BASIN, MEXICO

2. PRESENTATION OUTLINE Background/Motivation Background/Motivation Goals of Study Goals of Study Data Collection Data Collection Data Analysis Data Analysis Result Result Conclusion & Future Research Conclusion & Future Research

3. Rio PanucoBasin Locator Map THE RIO PAUCO BASIN, MEXICO

4. P.F Hudson CULTIVATION IN THE UPLANDS OF RIO MOCTEZUMA WATERSHED IN THE PANUCO BASIN

5. RIO MOCTEZUMA HIGH SUSPENDED SEDIMENT LOAD HIGH SEDIMENT LOAD RELATED TO LANDUSE?

6. GOAL/OBJECTIVES Preliminary study Preliminary study Determine the available Public Domain Data Determine the available Public Domain Data Determine the Suitability of the Public Domain Data Determine the Suitability of the Public Domain Data Review Existing Soil Erosion Model Review Existing Soil Erosion Model Conduct a preliminary Soil Erosion Assessment for the Basin Conduct a preliminary Soil Erosion Assessment for the Basin

7. SOME SOIL EROSION SIMULATION MODELS SOME SOIL EROSION SIMULATION MODELS USLE/RUSLE (Universal Soil Loss Equation) – Wischmeier & Smith, 1978/Renard et al.,1987 USLE/RUSLE (Universal Soil Loss Equation) – Wischmeier & Smith, 1978/Renard et al.,1987 WEPP (Water Erosion Prediction Project)-Nearing et al.,1989 WEPP (Water Erosion Prediction Project)-Nearing et al.,1989 EUROSEM (European Soil Erosion Model)-Morgan et al.,1991 EUROSEM (European Soil Erosion Model)-Morgan et al.,1991 EPIC (Erosion Productivity Impact Calculator)-Williams et al.,1984 EPIC (Erosion Productivity Impact Calculator)-Williams et al.,1984 CREAMS(Chemical Runoff and Erosion from Agricultural Management Systems)- Knisel,1980 CREAMS(Chemical Runoff and Erosion from Agricultural Management Systems)- Knisel,1980 KINEROS (Kinematic Erosion Simulation Model)-Smith,1981 KINEROS (Kinematic Erosion Simulation Model)-Smith,1981 ANSWERS (Area Non-Point Source Watershed Environment Response Simulation Model)-Beasley,et al.,1980) ANSWERS (Area Non-Point Source Watershed Environment Response Simulation Model)-Beasley,et al.,1980)

8. DATA COLLECTION REQUIRED DATA REQUIRED DATA –Rio Panuco Basin –Dem –Slope –Landuse/landcover –Rainfall –Soil –Support Practice AVAILABLE DATA (PUBLIC DOMAIN) AVAILABLE DATA (PUBLIC DOMAIN) –Rio Panuco Basin (USGS Hydro 1k) –Dem (USGS Hydro 1k GTOPO) –Slope (USGS Hydro 1k GTOPO) –Landuse/landcover(USGS Global Landuse Data) –Precipitation (-Dr. Maidment)

9. DATA COLLECTION CNTD.

10. SUB-WATERSHEDS IN THE RIO PANUCO BASIN

11. PRECIPITATION DISTRIBUTION IN THE RIO PANUCO BASIN

12. ELEVATION IN THE PANUCO BASIN

13. LAND USE/LAND COVER IN THE PANUCO BASIN

14. DEM Landuse Reclass SlopeSlope Reclass Land use LandUse Reclass Erosion Sensitivity DATA ANALYSIS Erosion Sensitivity Mapping (Modified from Morgan,1979)

16. DEM Landuse Reclass SlopeSlope Reclass Land use LandUse Reclass Erosion Sensitivity DATA ANALYSIS Erosion Sensitivity Mapping (Modified from Morgan,1979)

17. SLOPE RANGE IN THE RIO PANUCO BASIN

18. RECLASSIFIED SLOPE MAP OF RIO PANUCO BASIN

19. RECLASSIFIED LAND USE/ LAND COVER: RIO PANUCO BASIN

20. SOIL EROSION SENSITIVITY IN RIO PANUCO BASIN

21. CONCLUSION & FUTURE STUDY Conclusion Conclusion -Limited Data in Public Domain -Spatial Resolution of Available Data Inappropriate Future Study Future Study -Prepare proposal for grant -Undertake a Preliminary Field Visit -Select a Sub-watershed for Detailed Study

22. ACKNOWLEDGEMENT Dr. Maidment Dr. Maidment Dr. P.F. Hudson Dr. P.F. Hudson Mr.Venkatesh Merwade Mr.Venkatesh Merwade

23. Questions/Suggestions ?