Water quality problems related to excessive algal
growth, high nutrient loading, and low flows have been
occurring along Oregon's Tualatin River. The Tualatin River
is 86 miles long and has a drainage basin of 711 square
miles. The drainage basin incorporates forest,
agricultural, and urban areas. Located in the Portland...
Doppler-free saturation spectroscopy in an optically thick atomic vapor is used in an
optical-feedback configuration for two semiconductor diode laser systems. One laser
system consists of an unmodifed, commercially available diode laser. The other laser
system consists of a diode laser initially stabilized by optical feedback from a diffraction
grating....
The National Oceanic and Atmospheric Administration (NOAA) Coastal Change Analysis Program (C-CAP) is developing a nationally standardized database on landcover and habitat change in the coastal regions of the United States. The Willapa Bay eelgrass mapping project was granted to the Columbia River Estuary Study Task force (CREST) of Astoria,...
From 1925 to 1930, Ernest H. Wiegand, a professor of Horticultural Products at Oregon State Agricultural College, developed an improved brining process for cherries. Brined cherries are used in the production of maraschino and glacé cherries, which already had a sizable market in the United States by the 1920s. This...
Cloud fraction is a widely used parameter for estimating the effects of boundary-layer cloud on radiative transfer. During the Atlantic Stratocumulus Transition Experiment (ASTEX) during June 1992, ceilometer and satellite-based measurements of boundary-layer cloud fraction were made in the subtropical North Atlantic, a region typified by a 1–2 km deep...