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Mapping forest canopy disturbance in the Upper Great Lakes, USA

Author(s):

Brian G. Tavernia
Ian W. Housman

Year:

2015

Publication type:

General Technical Report (GTR)

Primary Station(s):

Northern Research Station

Historical Station(s):

Pacific Northwest Research Station

Source:

In: Stanton, Sharon M.; Christensen, Glenn A., comps. 2015. Pushing boundaries: new directions in inventory techniques and applications: Forest Inventory and Analysis (FIA) symposium 2015. 2015 December 8-10; Portland, Oregon. Gen. Tech. Rep. PNW-GTR-931. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 363-367.

Description

A map of forest canopy disturbance was generated for Michigan, Wisconsin, and most of Minnesota using 42 Landsat time series stacks (LTSS) and a vegetation change tracker (VCTw) algorithm. Corresponding winter imagery was used to reduce commission errors of forest disturbance by identifying areas of persistent snow cover. The resulting disturbance age map was classed into 5-year age classes and then used to attribute age to forested pixels within the National Land Cover Database of 2011. Overall map classification accuracy was 84.9 percent when using Forest Inventory and Analysis data as reference. User's and producer's accuracies were high for persistent forest, nonforest, and water, but low for disturbed forest 5-year age classes, likely due to rarity of forest canopy disturbance on the landscape and confusion among 5-year age classes in both map and reference data sets.

Citation

Garner, James D.; Nelson, Mark D.; Tavernia, Brian G.; Perry, Charles H.; Housman, Ian W. 2015. Mapping forest canopy disturbance in the Upper Great Lakes, USA. In: Stanton, Sharon M.; Christensen, Glenn A., comps. 2015. Pushing boundaries: new directions in inventory techniques and applications: Forest Inventory and Analysis (FIA) symposium 2015. 2015 December 8-10; Portland, Oregon. Gen. Tech. Rep. PNW-GTR-931. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 363-367.

Publication Notes

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
https://www.fs.usda.gov/treesearch/pubs/50774