Biological and Environmental Engineering Soil & Water Research Group Spatial Variability of Groundwater Soluble Phosphorous on an Alluvial Valley-Fill Aquifer and Connection to Stream Quality in the Catskill Mountains Francisco Flores-Lopez Francisco Flores-Lopez Zachary M. Easton Zachary M. Easton Tammo S. Steenhuis Tammo S. Steenhuis Cornell University Biological and Environmental Engineering
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Francisco Flores-Lopez Zachary M. Easton Tammo S. Steenhuis Cornell University
Spatial Variability of Groundwater Soluble Phosphorous on an Alluvial Valley-Fill Aquifer and Connection to Stream Quality in the Catskill Mountains. Francisco Flores-Lopez Zachary M. Easton Tammo S. Steenhuis Cornell University Biological and Environmental Engineering. - PowerPoint PPT Presentation
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Biological and Environmental Engineering
Soil & Water Research Group
Spatial Variability of Groundwater Soluble Phosphorous on an Alluvial Valley-Fill Aquifer and Connection
to Stream Quality in the Catskill Mountains
Francisco Flores-LopezFrancisco Flores-LopezZachary M. EastonZachary M. Easton
Tammo S. SteenhuisTammo S. Steenhuis
Cornell UniversityBiological and Environmental Engineering
Biological and Environmental Engineering
Soil & Water Research Group
Groundwater monitoring of SRP levels in agricultural fields and connection to stream quality is the major consideration in this study
Objective
To develop a farm-scale groundwater flow model and incorporate data regarding spatial variability of SRP to describe and predict SRP transport
• To identify critical management groundwater areas that may affect the stream SRP concentrations
• To assess the influence of these high risk groundwater areas on stream flow SRP concentrations
Biological and Environmental Engineering
Soil & Water Research Group
Site Layout, Water Samples and Data Analysis
• Soluble Reactive Phosphorous
• Modeling of the Groundwater Modeling of the Groundwater Flow (Visual ModFlow) and Flow (Visual ModFlow) and SRP Tracking Pathlines SRP Tracking Pathlines (MODPATH)(MODPATH)• Steady State ConditionsSteady State Conditions
• Geostatistical Analysis of Geostatistical Analysis of Groundwater SRP – Kriging Groundwater SRP – Kriging Interpolation by SeasonsInterpolation by Seasons
• Relationship between Relationship between Groundwater SRP Spatial Groundwater SRP Spatial Variability and Stream QualityVariability and Stream Quality
• Valley bottom dairy farm in the Valley bottom dairy farm in the Cannonsville Reservoir Cannonsville Reservoir
Watershed Watershed
• 22 Piezometers22 Piezometers• Depths from 0.3 to 1.5 mDepths from 0.3 to 1.5 m• 542 groundwater samples 542 groundwater samples (06/2004 –(06/2004 – 04/2006)04/2006)