This research focuses on events surrounding the activities of Battery
Freeman, a coastal defense facility constructed within the earthworks of "old" Fort
Stevens near Astoria, OR, in 1900 and destroyed in 1939. Archival data are used
in conjunction with nearly 5,000 artifacts that were recovered from archaeological
excavations in 1989...
Cultural resource inventories have identified,205 individual sites
on public land along the Lower Salmon River, Idaho. These sites
represent a rich and diverse record of the human occupation and
utilization of the river canyon during the past 10,000 years. Each
of these 205 sites contains its own unique record of...
El Niflo and La Nifia are oceanographic and atmospheric phenomena that have been
catalogued for well over a centuly. In El Nifio years, Peru's otherwise thy west coast is
subjected to torrential rainfall. Higher ocean temperatures off the coast are deemed the
culprit. Attempts to quantify this began in the...
Ragay Gulf and Burias Pass are among the traditional fishing grounds of the
country being considered by the government for an integrated approach to fishery
management (Smith, et al., 1980; Samson, et al., 1977, World Bank, 1976). The
Department of Marine Fisheries, College of Fisheries, University of the Philippines in...
The needs and markets for aerial photography have grown
steadily with the increasing demands for improved resource
management (Kodak, 1985, 2 & Simonett, 1983, 1). Aerial
photography within the Willamette Valley could provide researchers
and professionals with a broad range of data in disciplines such as
agriculture, forestry, geology, and...
Geographical data and information are virtually unlimited in their
quantity and are oftentimes scattered throughout a multitude of locations and stored
in various formats on a wide variety of platforms. The Oregon Coast Geospatial
Clearinghouse (OCGC) is a web-based central repository for metadata (data about
data) corresponding to collected data...
Portland, Oregon Is in the northern end of the Willamette River Basin and
Valley. The Willamette River caries the runoff discharge from approximately 12,000 square
miles of basin area, and flows northward where it bisects the Portland metropolitan area
and enters the confluence with the Columbia River. However, high discharge...
Bankfull discharge is an important indicator of streamfiow and affects
physical instream habitat. Geographic Information Systems (G IS), hydrologic
modeling, and statistical analysis were utilized to assess the relationship of
bankfull discharge recurrence intervals and land use / land cover watershed
wide and for stream adjacent buffers and bands of...
The Oregon Department of Fish and Wildlife's (ODFW) Ecological Analysis
Center (EAC) is in the process of creating, from Landsat Thematic Mapper (TM)
imagery, a vegetation map of Oregon that will meet the latest standards set by the
National Gap Analysis Program. Since field verification is often expensive and by...