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Spatial analysis involves taking two or more data layers and performing an operation on
them to provide results for a specific purpose. That operation can be simple or
complex, taking minutes or hours. The results may be in the form of statistics or a
new data layer. No matter in what the field of work, spatial analysis derives
meaning from data for better decision making.
NWGIS has extensive working knowledge of the functionality and limitations of GIS
software for performing spatial analysis. We understand data limitations as well and
are capable and experienced in taking the data through complex calculations. This
expertise, coupled with common sense, provide a solid foundation for accurate, unbiased
analysis, giving you the results you need.
Key Benefits
 | In-depth knowledge of the watershed analysis process carried out by large forest
landowners in the Pacific Northwest |
| Extensive working knowledge of the spatial analysis and data integration capabilities of
ARC/INFO |
| Substantial experience converting data between vector and raster formats to accomplish
modeling objectives |
| Thorough understanding of the data modeling capabilities of GRID |
| Experts at working with digital elevation models (DEMs) to derive new layers, such as
slope, aspect, elevation bands, and hillshading |
Reference Accounts
| Derived statistics from GIS data in conjunction with several watershed analyses in
Oregon and Washington totaling 270,000 acres for Weyerhaeuser, Boise Cascade, and Rayonier
in cooperation with federal and state agencies |
| Derived statistics, analyzed and compared model outputs, and worked with clients to
display results in a meaningful manner while providing GIS support to MGS Engineering
Consultants on two hydrologic studies |
| Implemented a rain-on-snow model as part of two watershed analyses for Boise Cascade,
using GRID to integrate five GIS data layers—precipitation, slope, aspect, elevation,
and forest canopy closure |
Information Request
For additional information on Spatial Analysis, please call, send
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