access and use of fia data through fia spatial data services
DESCRIPTION
Access and Use of FIA Data Through FIA Spatial Data Services. Elizabeth LaPoint. Why am I Here?. Facilitate access to FIA data without violating the law - revealing plot location or ownership information Connect customers’ GIS layers or imagery with FIA plots Summarize data over a given area - PowerPoint PPT PresentationTRANSCRIPT
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Access and Use of FIA Data Access and Use of FIA Data Through FIA Spatial Data Through FIA Spatial Data
ServicesServices
Elizabeth LaPointElizabeth LaPoint
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Why am I Here?Why am I Here?►Facilitate access to FIA data without Facilitate access to FIA data without
violating the law - revealing plot violating the law - revealing plot location or ownership informationlocation or ownership information
►Connect customers’ GIS layers or Connect customers’ GIS layers or imagery with FIA plotsimagery with FIA plots
►Summarize data over a given areaSummarize data over a given area►Assist by providing information or Assist by providing information or
knowledgeknowledge
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The LawThe Law
► FY 2000 Appropriations Bill modified the FY 2000 Appropriations Bill modified the Food Security Act of 1985 (7 U.S.C. Food Security Act of 1985 (7 U.S.C. 2276(d))2276(d))
► Data must be in an aggregate form so that Data must be in an aggregate form so that the landowner’s identity cannot be the landowner’s identity cannot be determineddetermined
► Violation of the law can result in fines up to Violation of the law can result in fines up to $10,000 and/or 1 year in jail$10,000 and/or 1 year in jail
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Who Makes Requests?Who Makes Requests?
►Academia - #1 CustomerAcademia - #1 Customer►Federal Agencies –USGS, EPA, BLMFederal Agencies –USGS, EPA, BLM► Forest Service – NFS, ResearchersForest Service – NFS, Researchers►State AgenciesState Agencies►FIA – between Units; within UnitsFIA – between Units; within Units►NGO – The Nature ConservancyNGO – The Nature Conservancy
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Data Requests by Organization
Academic42%
State (not Academia)17%
Industry4%
NFS4%
Other4%
Other Federal9%
Other FS9%
FIA11%
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Request ProcessRequest Process
► Initial contactInitial contact► Review & explain the law and Review & explain the law and
security policysecurity policy► Protecting the landowner’s Protecting the landowner’s
privacy & plot location is #1 privacy & plot location is #1 concern concern
► Refine the idea – What question Refine the idea – What question do they really want answered? do they really want answered?
► Focus the requestFocus the request► No charge for requestsNo charge for requests
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Regional Data RequestsRegional Data Requests► If a data request falls entirely into a single If a data request falls entirely into a single
FIA Unit then the request may be handled FIA Unit then the request may be handled by the FIA Unit itselfby the FIA Unit itself
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Request ProcessRequest Process► Limitations of the data – GPS, Limitations of the data – GPS,
gaps in coverage, differences gaps in coverage, differences between statesbetween states
► Does FIA data answer their Does FIA data answer their question?question?
► Can we modify the request so Can we modify the request so it does? it does?
► Present plan to Program Present plan to Program Manager(s)Manager(s)
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Request Process Request Process ►Approve – I handle requestApprove – I handle request►Approve – FIA Unit involved does Approve – FIA Unit involved does
requestrequest►Deny – I work with requestor to figure Deny – I work with requestor to figure
out alternative that will workout alternative that will work►Do the analysisDo the analysis►Final security reviewFinal security review►Product is shippedProduct is shipped
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ExamplesExamples► Wood Basket – Circular Wood Basket – Circular
retrieval. 150 miles retrieval. 150 miles around a given location. around a given location. Return growth within Return growth within area.area.
► Accuracy assessment of Accuracy assessment of imagery classification. imagery classification. Return classes with plot Return classes with plot information.information.
^
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How Busy Have I Been?How Busy Have I Been?► In FY2004 70 new requests made so farIn FY2004 70 new requests made so far► 24 active requests currently24 active requests currently► 11 active national requests11 active national requests► Estimated wait time - about 4-8 weeksEstimated wait time - about 4-8 weeks► 67% completed within 4 weeks in 67% completed within 4 weeks in
FY2003FY2003
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Fuzzing & SwappingFuzzing & Swapping
►FIADB will have coordinates again FIADB will have coordinates again ..
….BUT…..….BUT…..
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First the FuzzingFirst the Fuzzing► Coordinates will be fuzzedCoordinates will be fuzzed
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Then Swapping Then Swapping ► Up to 20% of privately owned plots “swapped”Up to 20% of privately owned plots “swapped”► Similar plots have their data swappedSimilar plots have their data swapped
Plot A’s data assigned to Plot B’s locationPlot A’s data assigned to Plot B’s location
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What Does This Mean?What Does This Mean?
►Customers may choose to download Customers may choose to download the fuzzed & swapped data to usethe fuzzed & swapped data to use
►Refine their ideas using fuzzed & Refine their ideas using fuzzed & swapped data and then call meswapped data and then call me
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Fuzzed/Swapped Data Fuzzed/Swapped Data AvailableAvailable
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Fuzzing and Swapping FutureFuzzing and Swapping Future
►Available now on FIADB web siteAvailable now on FIADB web site
http://ncrs2.fs.fed.us/4801/fiadb/http://ncrs2.fs.fed.us/4801/fiadb/fiadb17_fiadb17_
dump/fiadb17_dump.htmdump/fiadb17_dump.htm
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Elizabeth LaPointFIA National Spatial Data Services
Northeastern Research StationNewtown Square, PA
610-557-4049
www.fs.fed.us/ne/fia/spatial/index_ss.html