augustine avwunudiogba department of geography modeling soil erosion rio panuco basin, mexico
TRANSCRIPT
Augustine AvwunudiogbaAugustine Avwunudiogba
Department of GeographyDepartment of Geography
MODELING SOIL EROSION RIO PANUCO BASIN, MEXICO
PRESENTATION OUTLINEPRESENTATION OUTLINE
Background/MotivationBackground/Motivation
Goals of StudyGoals of Study
Data CollectionData Collection
Data AnalysisData Analysis
ResultResult
Conclusion & Future ResearchConclusion & Future Research
Rio PanucoBasin
Locator Map
THE RIO PAUCO BASIN, MEXICO
P.F Hudson
CULTIVATION IN THE UPLANDS OF RIO MOCTEZUMAWATERSHED IN THE PANUCO BASIN
RIO MOCTEZUMA HIGH SUSPENDED SEDIMENT LOAD
HIGH SEDIMENT LOAD RELATED TO LANDUSE?
GOAL/OBJECTIVESGOAL/OBJECTIVES
Preliminary studyPreliminary study
Determine the available Public Domain DataDetermine 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 ModelReview Existing Soil Erosion Model
Conduct a preliminary Soil Erosion Assessment for the BasinConduct a preliminary Soil Erosion Assessment for the Basin
SOME SOIL EROSION SIMULATION MODELSSOME SOIL EROSION SIMULATION MODELS
USLE/RUSLE (USLE/RUSLE (Universal Soil Loss EquationUniversal Soil Loss Equation) – Wischmeier & Smith, 1978/Renard et ) – Wischmeier & Smith, 1978/Renard et
al.,1987al.,1987
WEPP (WEPP (Water Erosion Prediction ProjectWater Erosion Prediction Project)-Nearing et al.,1989)-Nearing et al.,1989
EUROSEM (EUROSEM (European Soil Erosion ModelEuropean Soil Erosion Model)-Morgan et al.,1991)-Morgan et al.,1991
EPIC (EPIC (Erosion Productivity Impact CalculatorErosion Productivity Impact Calculator)-Williams et al.,1984)-Williams et al.,1984
CREAMS(CREAMS(Chemical Runoff and Erosion from Agricultural Management SystemsChemical Runoff and Erosion from Agricultural Management Systems)-)-
Knisel,1980Knisel,1980
KINEROS (KINEROS (Kinematic Erosion Simulation ModelKinematic Erosion Simulation Model)-Smith,1981)-Smith,1981
ANSWERS (ANSWERS (Area Non-Point Source Watershed Environment Response Simulation Area Non-Point Source Watershed Environment Response Simulation
ModelModel)-Beasley,et al.,1980))-Beasley,et al.,1980)
DATA COLLECTIONDATA COLLECTION
REQUIRED DATAREQUIRED DATA– Rio Panuco Basin Rio Panuco Basin – DemDem– SlopeSlope– Landuse/landcoverLanduse/landcover– RainfallRainfall– SoilSoil– Support PracticeSupport Practice
AVAILABLE DATA (PUBLIC DOMAIN)AVAILABLE DATA (PUBLIC DOMAIN)– Rio Panuco Basin (USGS Hydro 1k)Rio Panuco Basin (USGS Hydro 1k)– Dem (USGS Hydro 1k GTOPO)Dem (USGS Hydro 1k GTOPO)– Slope (USGS Hydro 1k GTOPO)Slope (USGS Hydro 1k GTOPO)– Landuse/landcover(USGS Global Landuse Data)Landuse/landcover(USGS Global Landuse Data)– Precipitation (-Dr. Maidment)Precipitation (-Dr. Maidment)
DATA COLLECTION CNTDDATA COLLECTION CNTD..
SUB-WATERSHEDS IN THE RIO PANUCO BASIN
PRECIPITATION DISTRIBUTION IN THE RIO PANUCO BASIN
ELEVATION IN THE PANUCO BASIN
LAND USE/LAND COVER IN THE PANUCO BASIN
DEM
LanduseReclass
Slope Slope Reclass
Land useLandUse
Reclass
Erosion Sensitivity
DATA ANALYSIS
Erosion Sensitivity Mapping (Modified from Morgan,1979)
DEM
LanduseReclass
Slope Slope Reclass
Land useLandUse
Reclass
Erosion Sensitivity
DATA ANALYSIS
Erosion Sensitivity Mapping (Modified from Morgan,1979)
SLOPE RANGE IN THE RIO PANUCO BASIN
RECLASSIFIED SLOPE MAP OF RIO PANUCO BASIN
RECLASSIFIED LAND USE/ LAND COVER: RIO PANUCO BASIN
SOIL EROSION SENSITIVITY IN RIO PANUCO BASIN
CONCLUSION & FUTURE STUDYCONCLUSION & FUTURE STUDY
ConclusionConclusion
-Limited Data in Public Domain-Limited Data in Public Domain
-Spatial Resolution of Available Data Inappropriate-Spatial Resolution of Available Data Inappropriate
Future StudyFuture Study
-Prepare proposal for grant-Prepare proposal for grant
-Undertake a Preliminary Field Visit-Undertake a Preliminary Field Visit
-Select a Sub-watershed for Detailed Study-Select a Sub-watershed for Detailed Study
ACKNOWLEDGEMENTACKNOWLEDGEMENT
Dr. MaidmentDr. Maidment
Dr. P.F. HudsonDr. P.F. Hudson
Mr.Venkatesh MerwadeMr.Venkatesh Merwade
Questions/Suggestions
?