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    Author(s): Dale D. Gormanson; Timothy J. Aunan; Mark H. HansenMichael Hoppus
    Date: 2009
    Source: In: McRoberts, Ronald E.; Reams, Gregory A.; Van Deusen, Paul C.; McWilliams, William H., eds. Proceedings of the eighth annual forest inventory and analysis symposium; 2006 October 16-19; Monterey, CA. Gen. Tech. Report WO-79. Washington, DC: U.S. Department of Agriculture, Forest Service. 251-258.
    Publication Series: General Technical Report (GTR)
    Station: Washington Office
    PDF: View PDF  (1.23 MB)

    Description

    Since 2001, the Minnesota Department of Natural Resources (MN-DNR) has mapped forest change annually by comparison of Landsat satellite image pairs. Over the same timeframe, 1,761 U.S. Department of Agriculture, Forest Service, Forest Inventory and Analysis (FIA) plots in Minnesota have been remeasured on a 5-year cycle, providing field data on growth, removals, and mortality. This study compares estimates of change from these two sources. The FIA-based estimate of annual removals compares closely to the average MN-DNR estimate. FIA plots showing large removals were generally included in Landsat-detected change polygons, but image analysis usually failed to map as changed those plots exhibiting only partial removals or tree mortality.

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    Citation

    Gormanson, Dale D.; Aunan, Timothy J.; Hansen, Mark H.; Hoppus, Michael. 2009. Exploring the association of the Minnesota Department of Natural Resources'' satellite-detected change with the Forest Inventory and Analysis system of observed removals and mortality. In: McRoberts, Ronald E.; Reams, Gregory A.; Van Deusen, Paul C.; McWilliams, William H., eds. Proceedings of the eighth annual forest inventory and analysis symposium; 2006 October 16-19; Monterey, CA. Gen. Tech. Report WO-79. Washington, DC: U.S. Department of Agriculture, Forest Service. 251-258.

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