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

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

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