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An abstract of the thesis of A. Paul Newman for the Master of Science in Geography presented May 19, 1997. Title: Satellite Remote Sensing for Measuring the Urban Forest of Portland, Oregon. Digital pattern recognition methods were used to produce two maps of urban vegetation from LANDSAT Thematic Mapper for the City of Portland, Oregon. The image was acquired on July 7, 1991 and the spectral bands used were 2, 4, 5 and a ratio of 3 and 4. The two maps represent vegetation amount and vegetation type. Due to the extreme heterogeneous nature of the urban environment, these maps were developed using techniques to reduce and manage the amount of spectral variation. This included purging non-vegetated cells from the multispectral image, and then stratifying the image into "spectral subdivisions" using tools for unsupervised classification. Each image subdivision was then classified using the standard unsupervised technique and the subdivisions

Satellite remote sensing for measuring the urban forest of Portland, Oregon