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

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

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

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

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

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

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

8. DATA COLLECTION • REQUIRED DATA • Rio Panuco Basin • Dem • Slope • Landuse/landcover • Rainfall • Soil • Support Practice • 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 Slope Slope Reclass Erosion Sensitivity Land use Landuse Reclass LandUse Reclass DATA ANALYSIS Erosion Sensitivity Mapping (Modified from Morgan,1979)

16. DEM Slope Slope Reclass Erosion Sensitivity Land use Landuse Reclass LandUse Reclass 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 -Limited Data in Public Domain -Spatial Resolution of Available Data Inappropriate • Future Study -Prepare proposal for grant -Undertake a Preliminary Field Visit -Select a Sub-watershed for Detailed Study

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

23. Questions/Suggestions ?