Browsing by Author "Gregory, Matthew Jay"

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Comparing intercell distance and cell wall midpoint criteria for discrete global grid systems

Gregory, Matthew Jay (1999-06-01)

Many diverse applications have begun to study processes and patterns at a global scale. To aid in this research, discrete global grid systems (DGGSs) are data models which enable environmental modeling, monitoring and ...
The Pacific Northwest Regional Gap Analysis Project Final Report on Land Cover Mapping Methods MRLC Mapzones 2 and 7

Grossmann, Emilie B.; Kagan, James S.; Ohmann, Janet L.; May, Heather; Gregory, Matthew Jay; Tobalske, Claudine; Institute for Natural Resources (Institute for Natural Resources, 2008)

This chapter is divided into three main sections. The first section discusses land cover map development. It begins by providing background information on the regional division of labor and the regional land cover legend ...
Predictive mapping of forest composition and structure with direct gradient analysis and nearest-neighbor imputation in coastal Oregon, U.S.A.

Ohmann, Janet L.; Gregory, Matthew Jay (NRC Canada, 2002)

Spatially explicit information on the species composition and structure of forest vegetation is needed at broad spatial scales for natural resource policy analysis and ecological research. We present a method for predict ...

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