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Browsing by Subject "Geographic information systems"
Now showing items 1-17 of 17
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(2012-11-16)Most data are associated with a place, and many are also associated with a moment in time, a time interval, or another linked temporal component. Spatiotemporal data (i.e., data with elements of both space and time) can ...
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(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 ...
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(1997-06)The Mosquitia Region of Honduras is part of the largest wilderness area in Central America. In terms of biodiversity the area is rich in ecosystems including pine savannas, tropical rain forests, and wetlands. These ec ...
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(1992-05-26)Forest and wildlife habitat analyses were conducted at the H.J. Andrews Experimental Forest in the Central Cascade Mountains of Oregon using remotely sensed data and a geographic information system (GIS). Landsat Them ...
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(Corvallis, Or. : Oregon State University Extension Service, 1978)
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(1984-10-15)The major considerations for acquiring and using a geographic information system (G..I.S.) for regional or national geographical research and analysis are examined in this paper. After defining what a G.I.S. is, some ...
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(1993-07-30)Geographic Information Systems (GIS) is a burgeoning field with its roots in geography. It is increasingly being used by a large variety of disciplines, including land use planning, as a decision support tool to help ...
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(1991-06-06)Historically the U.S. Forest Service has used uncorrected aerial photographs to delineate proposed and past management activities on the land base it manages. Transferring a boundary from an image not planimetrically ...
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(2004-07-13)Gray Wolves (Canis lupus) were once found throughout North America including Oregon. Wolves were extirpated from Oregon due to heavy hunting pressure in the late 19th and early 20th centuries and have been absent for ove ...
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(International Association of Aquatic and Marine Science Libraries and Information Centers, 1992)GIS is a buzzword these days at marine labs, field stations, university campuses and government agencies. The design and implementation of a GIS involves the use and organziation of data in ways that are familiar to libr ...
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(2001-05-29)The search for archaeological materials dating to 15,000 yr BP along the southern Oregon coast is a formidable task. Using ethnographic, theoretical, and archaeological data, landscape resources which would have influe ...
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(1989-09-28)Soil erosion is a natural physical process. However it can become a detrimental force when factors such as infertile soils, steep topography and poor farming practices are combined. An important initial aspect of res ...
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(Elsevier, 2013-01-24)Wetland ecosystems are considered as potential ecological solutions for increasing the capacity of watersheds to store runoff waters upstream, and thereby, decrease risk of downstream flooding. Especially in tile-drain ...
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(1989-09-05)This study dealt with research problems at the landscape level. The objectives of this thesis were to develop tools to study and characterize landscapes and to interface with a geographic information system (GIS), to eva ...
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(1999-10-27)The Mt. Scott watershed in northern Clackamas County, Oregon is an urban watershed that lies inside the Portland metropolitan urban growth boundary. Urbanization of the watershed began in the early 1970s and has recent ...
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(1993-07-27)The GRASS (V. 4.0) geographical information system (GIS) was used to test the hypothesis that pheromone trap based predictions of Helicoverpa zea (Boddie) damage in processed sweet corn could be improved by considering ...
Now showing items 1-17 of 17
