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Paula Peper

by California ReLeaf on Sep 22, 2011

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Let’s visit i-Tree Species first. This one is pretty much in the no-brainer class. Download the itree application package and load it on your computer, then simply go to the itree species app and this first screen is what pops up.Species are selected based on hardiness zone, mature height and 8 environmental factorsEnter your country, State and City and the County fills itself.Next enter the minimum and maximum tree heights you are interested in in either metric or english units.Finally, comes what’s important to you as far as the level of ecosystem services the tree will supply.Here I’ve decided that I want the tree to supply an average amount of air pollutant removal, the same for emissions. But I’m very interested in having non-allergenic trees and reducing energy costs around the house where I’ll install the tree.Choose whether you want to see just the top 10% of the trees or all and click on view report.
Species are selected based on hardiness zone, mature height and 8 environmental factors
Some hardiness estimates didn’t always match the USDA Hardiness zone ranges, so extrapolations were made to the closest hardiness zone.
i-Tree Vue is also accessed through the itree application you download on your computer.It uses free easily downloadable national land cover data maps to assess canopy and other land cover typesYou can use it to model some ecosystem services provided by the current urban forestKey areas for help in downloading imagery is this button and I recommend using the manual—you can’t go wrong if you follow it.
The window allows you to zoom in on your area of interestHere I’m zooming in on Sacramento and West Sacramento areaZooming in further, then cOnce you’ve launched the land cover program you have to download each cover layer to your computer.And then go to each of those folders and unzip them.licking over here on the Land Cover layers I want.
Loaded, this is what you project looks like.
The program allows you to test future scenarios by adjusting tree canopy percentages
For a more precise estimate of canopy and other cover types, you can use the web-based tool i-Tree Canopy.Access it via itreetools website rather than needing load a program on your computer.Essentially this program allows you to conduct your own cover analysis for any area of your community---but it is a rather tedious process for large areas because for increased accuracy you need to identify a minimum of 500 to 1000 data points.Relatively simple to use as long as you have an esri polygon shape file dilineating your area of interest – if you don’t have that capability or someone can create that for you, the program is unusable.
Here I’ve imported a polygon shape file around part of Palo Alto and I’m ready to configure my survey – what types of cover do I want to classify?
It can be as simple as tree and non-tree---the default or you can add more cover typesUltimately I ended up with 6 types –could have been more if I had things like agricultural land, water, and so forth. And you should get to know your area somewhat beforehand so that you choose all the cover classifications there may be.
Once you say you’re done adding cover types, you go back to Step 3 – Begin i-Tree Canopy Survey.This can be the tedious part.The program randomly selects points throughout your polygon –the first window pops up and you have to add a point –this window then pops up with a default tree, but if it’s not a tree you click inside the cover class and select the appropriate tree cover at that spot.
Makes a difference to have enough data points
Here I’ve started adding info about the tree in my front yard.I want energy effects so checked the box and am given directions for outlining the conditioned space of the house, what era my house was built in and the center of my tree.
Stand alone product that 3rd party companies and organizations can access and incorporate into their products for freeEcoLayers version which will be integrated into their international web-based products

Paula Peper — Presentation Transcript

Tree Toolmania!
Kelaine Vargas
Urban Ecos
Paula Peper
USDA Forest Service
Urban Ecos
Today
Paula
i-Tree—more than Eco and Streets
Update on new Tree Carbon Calculator (Google Maps interface)
Kelaine
Smart phone apps for tree lovers
GreenprintMaps and upgrades to the Urban Forest Map Family
Up and coming technology
i-Tree Lesser Known Tools
Applications
Hydro
Vue
Design (web)
Canopy (web)
Utilities
Species
IPED Pest
Storm
1st Time User(and believer in reading help manuals)
i-Tree Species
Hardiness
Mature height
8 environ factors
Observations of 1st Time User (and creators)
Starting point
Nothing re structural, etc
Local input
1600 sp.
Natives and exotics
Hardiness caveats
Basic ecosystem services
i-Tree Vue
Uses National Land Cover Data (NLCD) maps
Assesses cover types
Some ecosystem services
Model effects of change in cover
Imagery
Manual
Go back to program
Browse to layers
Load
Select state (loads default pollution removal values assoc with trees
Or select iTree Eco
To define specific area, check box next to that option
Tools
Pixel tab for closer view
Analysis options
Test effects of adding trees
Observations
- Limitations
- 2001 land cover from 30m resolution
- Underestimations:
- Tree—10-28%
- Impervious – up to 6%
- Coarse estimates
- Avg values/unit canopy cover
Coarse adjustments
Scenarios:
differences, potential changes
Useful tool for demonstrating effects of change in canopy
i-Tree Canopyhttp://itreetools.org/canopy/index.php
Web-based
Simple to use*
Configure Survey
Name cover classes
2 default
Add more
Need Enough Data Points
1st Time User Observations
Cons
Pros
Accuracy depends on your classification skills
Adequate number of points
Quality of Google imagery
Tedious
Cheap
Could use to inform Vue
Accurate if done well
Excellent tool for neighborhood planting /issues along with Vue
Cal Fire-USFS Canopy Study
Urban canopy cover for California
Pilot started – San Jose
Determine remote sensing approach
Apply to other communities
Scale up to state
Update every 5 years
Free NAIP imagery
i-TreeDesign
Input
Location
Species
Tree size
Condition
http://itreetools.org/design.php
1st Time User Observations
Upside
Simple
Values derived from i-Tree Streets and Reference Cities for Tree Guides
Downside
One tree at a time
Online Tree Carbon Calculator
Tree Carbon Calculator
Stand alone product
EcoLayers version
Forecast future carbon reductions and emissions for tree populations
Calculate current effects for annual reporting/certification
Public vs enterprise customers
Public Customer
Manual input
Outline parcel, house
Locate and ID multiple trees
Enter species, planting date or size
Ability to adjust growth curves based on difference in measured size
Carbon stored, annual, avoided, energy
Cannot project future benefits
Enterprise Customer
Bulk data import
Enter a project (minimum 1000 trees for CAR)—Excel/Access format
Planting schedules
Mortality schedules
Future projections
No energy benefits this version
Timeline
Implementing population projections and outputs
Alpha-test—Feb. 1, 2012
Beta-test, revision and deployment June 20, 2012
Enter Kelaine
Exit Paula

Paula Peper

by California ReLeaf on Sep 22, 2011

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Paula Peper — Presentation Transcript