Purdue UniversityyAgricultural and Biological Engineering

May 2013

Bernie Engel, Head and ProfessorLarry Theller YS ParkLarry Theller, YS ParkAgricultural and Biological EngineeringPurdue University

L-THIA Long Term Hydrologic Impact Analysisg y g p y

◦ Integration with IWR

Low Impact Development L-THIA LID

T i i P j t◦ Training Project

Load Duration Curve Tool P-LDC

Arcgis 10 L-THIA Extension

Floating, semi-transparent toolbars, collapsible menus, open architecture for partners improved editing performancepartners, improved editing performance.New Area of Interest tool : Polygon

“Select by HUC” to use a single HUC 12

Institute of Water Research

Select by HUC to use a single HUC 12, 10, 8 outline.

-Display of HIT target layers-EPA Waters layers

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-GIS layers-Multi-resolution data layers

Tool will now allow use of a polygon as an area of analysis. p yg y

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This will improve ability to model zoning and LID BMP areas.

New Results Options

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L-THIA Long Term Hydrologic Impact Analysis

◦ Integration with IWR

Low Impact Development L-THIA LID

Training Project◦ Training Project

Load Duration Curve – Flow duration curve Tool P-LDC

Arcgis 10 L-THIA Extension

Web‐based Watershed Management Tools for 516(e)Tools for 516(e)

Train the Trainer WorkshopTrain the Trainer WorkshopJune 21, 2012

Video Walk‐through andand 

Tutorials

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lcy2

Slide 8

lcy2 Adjust as neededyoungla, 6/14/2012

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User may vary thevary the impervious surfacesurface

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Urban BMPs  

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L-THIA site: 11,636 visits last 12 months.

L-THIA LID ( Training sessions)

L-THIA LID ( Training sessions)

Navigation flow through model pages

IncomingIncoming Traffic

30% llosses

Very Low Mobile use

L-THIA Long Term Hydrologic Impact Analysisg y g p y

◦ Integration with IWR

Low Impact Development L-THIA LID

◦ Training Project g j

Load Duration Curve Tool P-LDC

Arcgis 10 L-THIA Extension

STEPL BMP Advisor Module forWeb-based LDC Tool

LOADEST -Interpolated load - Green Standard

“target level” gLoad -Brown

Crossover

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Data input from WQX – STORET services, USGS, and Water Quality Portal.

The Water Quality Portal (WQP) is a cooperative service sponsored by the United States Geological Survey (USGS), the Environmental Protection Agency (EPA) and the National Water Quality Monitoring Council (NWQMC) that integrates publicly available water quality data from the USGS National Water Information System (NWIS) and thewater quality data from the USGS National Water Information System (NWIS) and the EPA STOrage and RETrieval (STORET) Data Warehouse.

Institute of Water ResearchPurdue University is an Equal Opportunity/Equal http://www.waterqualitydata.us/index.jsp

Light Viewer Map created for Water Quality Portal

1 Fi d h l i d1. Find the location, and then select one station and click.

3 I WQP d t2. Select data then

click the button

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3. In WQP data, select WQ parameter.

click the button to request WQ data from WQP.

Estimated load (blue) versus Observed WQ data (green) –Results after LOADEST Execution

Institute of Water ResearchTime Series Plot

Spreadsheet Tool for Estimating Pollutant Load (STEPL)Pollutant Load (STEPL)

Spreadsheet employs simple algorithms to calculate nutrient and sediment loads fromSpreadsheet employs simple algorithms to calculate nutrient and sediment loads from different land uses.

It calculates the load reductions that would result from the implementation of various b t t ti (BMP )

Institute of Water Research

best management practices (BMPs).

http://it.tetratech-ffx.com/steplweb/

BMP List for each LanduseNitrogen

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The user needs to select an option in each landuse table.

Nitrogen reduction example

L-THIA Long Term Hydrologic Impact Analysisg y g p y

◦ Integration with IWR

Low Impact Development L-THIA LID

◦ Training Project g j

Load Duration Curve – Flow duration curve Tool P-LDC

Arcgis 10 L-THIA Extension

LL--THIATHIA GISGIS 20132013LL--THIA THIA GIS GIS 20132013

•User Friendly Interface

•Watershed Delineation Step•Watershed Delineation Step

•Use of Multiple Precipitation Data

Locations

C id i f U D fi d AMC•Consideration of User Defined AMC

•Easy Access to table of CN and EMCy

Descended from ArcView Descended from ArcView LL--THIATHIA

ArcView L-THIA Case StudyChoi et al., 2009. Evaluation of Estimated Strom Runoff and Non-point Pollutant Discharge from Upper Watershed of Daecheong Reservoir during Rainy Season using L-THIA ArcView GIS Model. Journal of Korean Society on Water Quality 25(6), 984-993.

• P f d b N ti l I tit t• Performed by National Institute of Environmental Research

• Two watersheds analyzedTwo watersheds analyzed• Runoff (R2, NSE):

Wol-oe (0.95, 0.93)An-nae (0.81, 0.71)( , )

• SS (R2):Wol-oe (0.53)An-nae (0.89)

• T-P (R2):Wol-oe (0.95)An-nae (0.89)

LL--THIA THIA GIS GIS 2013 Overview2013 Overview

DEMDEM

Landuse

Soil

Landuse

Soil

WatershedDelineation

Create CNMap

PrecipitationLocation

C t

LocationMap

EstimateDaily Create Allocated CN

Map

Estimate Runoff and

NPS

DailyMonthlyYearly

CalibrateCN and EMC

Optional

LL--THIA THIA GIS GIS 2013 Interface2013 Interface

ArcGIS 10.0 or 10.1

https://engineering purdue edu/mapserve/LTHIA7/arclthia/https://engineering purdue edu/mapserve/LTHIA7/arclthia/https://engineering.purdue.edu/mapserve/LTHIA7/arclthia/https://engineering.purdue.edu/mapserve/LTHIA7/arclthia/

h dThe End

Thank Youhttps://engineering.purdue.edu/~ldc/pldc/https://engineering.purdue.edu/~ldc/pldc/

Purdue LDChttps://engineering.purdue.edu/ ldc/pldc/https://engineering.purdue.edu/ ldc/pldc/

Purdue ArcGIS 10 L THIA Extensionhttps://engineering.purdue.edu/mapserve/LTHIA7/arclthia/https://engineering.purdue.edu/mapserve/LTHIA7/arclthia/

Purdue ArcGIS 10 L-THIA Extension

LL--THIA THIA GIS GIS 2013 Case Study2013 Case Study

• Watershed area: 4409.51 sq. km

• Agricultural area:72.62 %

• 7 NCDC Stations

• Calibration:Calibration:1994 – 2003

• Validation:Validation:2003 – 2012

LL--THIA THIA GIS GIS 2013 Case Study2013 Case Study

GridCode Landuse CN-A CN-B CN-C CN-D11 Open water 0 0 0 021 Developed Open Space 86 88 90 92p p p22 Developed Low Intensity 86 88 90 9223 Developed Medium Intensity 88 90 92 9424 Developed High Intensity 90 92 94 9624 Developed High Intensity 90 92 94 9631 Barren Land 77 86 91 9441 Deciduous Forest 78 80 82 8442 E F t 45 66 75 8342 Evergreen Forest 45 66 75 8343 Mixed Forest 45 66 75 8352 Scrub/Shrub 45 66 75 8371 Grassland/Herbaceous 68 79 86 8981 Pasture/Hay 68 79 86 8982 Cultivated Crops 80 82 84 8690 Woody Wetlands 0 0 0 095 Emergent Herbaceous Wetland 0 0 0 0

LL--THIA GIS 2013 Case StudyTHIA GIS 2013 Case Study

Calibration (1994-2003)NSE: 0.59, R2: 0.62

Validation (2004-2012)NSE: 0.72, R2: 0.84