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    Author(s): Keith B. Lannom
    Date: 2001
    Source: Geocarto International. Vol. 16, No. 1, March 2001
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (731 KB)

    Description

    Concerns over changes in global forest resource distributions have prompted a number of studies to examine and map forest areas at continental scales with various types of satillite data. The work described here details the use of Advanced Very High Resolution Radiometer (AVHRR) data in concert with Landsat Thematic Mapper (TM) and Systeme Probatoire d'Observation de la Terré (SPOT) imagery to identify and map forest land in Mexico and Central America. A two stage approach was used to accomplish the study objectives. First, a modeling procedure was used to estimate percent forest cover in AVHRR pixels based enumeration of forest area with Landsat TM and SPOT data of the same region covered by the AVHRR data. This product was used to subset the original AVHRR data into areas of probable forest lands. The AVHRR spectral data of the subset area was then classied by forest type and the results were complied to produce the final product. The implications of this work are dicussed in the context of global forest monitoring and landscape management.

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    Citation

    Lannom, Keith B. 2001. Forest mapping of Central America and Mexico with AVHRR data. Geocarto International. Vol. 16, No. 1, March 2001

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