i-tree hydro · 2020-01-03 · i-tree hydro water resilient ci3es conference april 22, 2016 robbie...
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i-TreeHydroWaterResilientCi3esconferenceApril22,2016
RobbieCoville,DaveyIns3tute&USDAForestService
TomTaggartSUNYCollegeofEnvironmentalScienceandForestry
i-Tree is a
Cooperative Initiative among these partners
Outline 1. Intro to the tool; modeling & management 2. Briefing on background, inputs & outputs 3. Summary of 3 real-world applications 4. Additional resources & next steps
i-Tree is a Cooperative
Initiative among these partners
High
Low
Eleva3on
Current vs. Management Scenario
Simulateseffectsof:TreecoverImperviouscover
on:StreamflowWaterquality
Whatisi-TreeHydro?
i-Tree is a Cooperative
Initiative among these partners
Modeling&Management
Infiltration
Interception
Evapotranspiration
Precipitation
Throughfall
Infiltration
Runoff
Howcani-TreeHydroHelp?
i-Tree is a Cooperative
Initiative among these partners
i-TreeHydro ModelBackground
Ø Process-based,first-orderRainfall-runoffmodelØ OriginsfromdiscussionsbetweenDr.TedEndreny(SUNY-ESF)andDr.DavidNowak(USFS-NRS)
Ø Wantedtoreplacecurvenumberbasedrunoffmodelswithaprocessedbasedhydrologicalmodel
St. Elizabeth Hosp. D.C. 2006-2011 Casey Trees
i-Tree is a Cooperative
Initiative among these partners
ModeledHydrologicProcesses1 Inputs
a) Location b) Weather c) Land Cover d) Topography e) Hydrology & Soil
1
2
3
4 5
6 11
8
9
10
13 12
7
2 Canopy Interception 3 Depression Storage 4 Impervious Runoff 5 Infiltration 6 Soil Moisture 7 Pervious Runoff
8 Surface Evaporation 9 Veg Evaporation 10 Evapotranspiration 11 Subsurface Runoff 12 Semi-Spatial Distribution 13 Outputs
a) Water quantity b) Water quality
i-Tree is a Cooperative
Initiative among these partners
ModelInputs
LandcoverØ 5maincoverclasses
• BareSoil• Shrub/Grass/Herbaceous(ShortVegeta3on)
• ImperviousSurface• TreeCoveroverImperviousArea
• TreeCoveroverPerviousArea i-Tree Canopy survey
for photo-interpretation of i-Tree Hydro’s land cover inputs
i-Tree is a Cooperative
Initiative among these partners
ModelCalibraBon
Calibra3onØ Method:
• Determiningop3malmodelparameterset⁻ Op3miza3onalgorithm-PEST
• RepeatedmodelrunsComparingpredictedandobservedvalues
• Maximizegoodnessoffitmetrics
Ø Problems:• Equifinality–Differentparametersets,sameop3mum• Disagreementbetweenfielddataandmodelparameters
i-Tree is a Cooperative
Initiative among these partners
ModelCalibraBon
i-Tree is a Cooperative
Initiative among these partners
Outputs
WaterQuan3tyOutputsØ Predictedstreamflowvs.observed(ifavailable)Ø Yearly,Monthly,Dailybar-graphsØ Hourly3me-series&Exportop3ons
Friday,August10,2012
Exported Figures from i-Tree Hydro’s Sample Project
i-Tree is a Cooperative
Initiative among these partners
Outputs
WaterQualityOutputsØ Pollu3on–Loadinges3mates
• Totalpollutantmass• BasedonEMCvalues–fromEPA’sNURPdata• Availableinsameformatsaswaterquan3tyoutputs
i-Tree is a Cooperative
Initiative among these partners
ExportedOutputs&ExamplesofAddiBonalProcessing
i-Tree is a Cooperative
Initiative among these partners
“BriarlakeForestConversa1onProjectUsingi-TreeHydro”byEricKuehleroftheUSDAForestService,2015
Ø Successfulcommunityforestconserva3on backedupbydatafromi-TreeHydro
“ModelingUrbanForestScenariosandHydrologyinGrandRapids,Michigan”
byIanHanouofPlan-ItGeo,2015
Ø Valueofurbanforestsreducingimperviousrunoff
“ModelingHydrologicalEcosystemServicesofJuvenileTreesinWorcester,MassachuseKs”
byA.Filipovic&J.RoganofClarkUniversity,2016
Ø Hydrologicimpactofdeforesta3onduetoALB&reforesta3on
Formoreinfoontheseprojects,pleasevisit:iTreeTools.org/Resources/Reports.php
AddiBonalExamplesofi-TreeHydroModelingSupporBngWaterResilientCiBes
TotalmonthlyflowsatBriarlakeForestundercurrentvsproposedlandcovers
Excerpt from Poster on Worcester, MA i-Tree Hydro Study
i-Tree is a Cooperative
Initiative among these partners
OnlineResources Download&moreinforma3on-itreetools.org SupportForum-forums.itreetools.orgØ FAQs-onSupportForum>Officiali-TreeFAQs>Hydro
Email–info@itreetools.org
WEFTEC2016,full-dayhands-onworkshopØ September25inNewOrleans
Signupatitreetools.org/news/subscripBons.php
UpcomingWorkshop
SubscribeforUpdatesonEvents&Tools
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