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Maine GeoLibrary Ongoing Aerial Photography Program
The Maine GeoLibrary, in cooperation with the Maine Office of GIS is in its third year of a projected five year acquisition. This years project will complete acquisition in all of Hancock county and approximately 1/3rd of Penobscot county. There are 16 communities participating this year. Buying up to 3" resolution imagery is the City of Bangor. Buying up to 6" resolution Imagery are Bar Harbor, Castine, Cranberry Isles, Dedham, Ellsworth, Mount Desert, Veazie, Brewer, Hampden, Old Town, and Orono. Buying up to 12" resolution imagery are Oreland, Sorrento, Swans Island and Trenton.
We know that in 2012 the town of York experienced a savings of $26,000 over a previous acquisition in 2005 for the same quality data. In the first three years of this program 67 communities have purchased higher resolution imagery. If we assume that on average each community saves just $20,000 by participating in this joint purchasing effort then collectively these towns will have saved $1,340,000.
For more information on the program check out our links below. To find out how your community can participate in the program contact Michael Smith or Joseph Young.
2012 flight price list (Cumberland and York Counties, partial Androscoggin and Oxford)
2013 flight price list (Androscoggin, Kennebec, Sagadahoc, Lincoln, Knox, Waldo Counties)
2014 flight price list (Hancock, Washington, and southern Penobscot Counties)
2015 flight price list (Partial Aroostook, Penobscot, Piscataquis Counties)
2016 flight price list (Franklin, Oxford, Somerset, partial Aroostook and Piscataquis Counties)
Maine GeoLibrary Orthoimagery Program brochure (11x17 foldover)
Maine GeoLibrary Orthoimagery Program cost summary (insert)
Maine GeoLibrary Orthoimagery Program return on investment findings (insert)
Maine GeoLibrary Orthoimagery Program summary (postcard)
Maine GeoLibrary Orthoimagery Program slide deck (PowerPoint)
Comparison of Orthoimagery resolutions (PowerPoint)
NSGIC brochure "Justifying the Cost of Authoritative Imagery"
Earth Imaging Journal article "Why Buy?" Dec 2012
Kennebec Journal article "Precision aerial photography" Jan 5 2013
2012-2013 Collection Map
The Woolpert Portal for imagery review and QA/QC
Would you like to participate? Contact State GIS Manager Michael Smith for more information michael.smith -at- maine.gov. The deadline for commitments in York and Cumberland counties is March 8, 2012. For all others, commitments are due by Dec 31 of the year prior to the collect (i.e. Knox County would need commitment by 12-31-2012 to be collected in Spring of 2013).
Maine GeoLibrary Ongoing Aerial Photography Update Proposal
People across Maine use spatially-referenced aerial photography (known as orthoimagery) for professional and personal uses every day. The information must be current and high quality to be useful. Therefore, the Maine GeoLibrary is proposing an ongoing orthoimagery update program with two levels of detail and varying update cycles. The proposal divides the state into groups of towns with the timing of updates being determined by the estimated rate of change and development. All organized towns would be covered by 2 foot resolution orthoimagery and all unorganized towns by 3.3 foot resolution orthoimagery. The proposal recommends buy-up options for groups of towns so they could acquire better quality orthoimagery by contributing money. The cost for the statewide base program on a 5 year cycle is estimated to be 8 cents per acre for a total of approximately $450,000 per year.
User testimonials can be found at: http://www.maine.gov/geolib/orthosurveyresults.htm
Examples of how orthoimagery is used in Maine:
To read about the 2003-2005 $1.3M high resolution orthophotography project conducted by the GeoLibrary Board, see Summary of acquisition activity 2003-2005.
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