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Manual and automatic solvent extraction techniques were used to concentrate organic material from natural waters. Field and laboratory extractions were compared to determine the most probable method and best solvents for efficient concentration of...
1967-05-12 (iso8601)
Sea level and current data collected near Newport, Oregon are compared to determine an empirical relationship from which the low frequency (f < .1 cpd) alongshore current field over the continental shelf is estimated from observed sea level...
1976-10-06 (iso8601)
Columbia River sediment was irradiated with ultraviolet light to determine if organic material could be removed without altering the sorptive properties of the hydrous oxides of iron and manganese. A laboratory preparation of Zn-65 spiked hydrous...
1971-08-30 (iso8601)
Wind speed data were taken at a weather station on the coast and horizontal wind speed energy spectra were computed. The shape of an average spectrum obtained in marine environment is compared with an average land spectrum and the presence of a...
1971-06-09 (iso8601)
Hydrographic and bathythermograph data taken off the Oregon coast during a two week period in August of 1969 were analyzed to determine if heat content and mixed layer depth may be used as indicators of Columbia River plume water. Heat content was...
1971-11-03 (iso8601)
Temperature, salinity, and dissolved oxygen concentration measured in an estuary were analyzed to determine if the effects of coastal upwelling could be observed and used to effectively monitor the degree of upwelling. Hydrographic data collected...
1968-08-07 (iso8601)
Changes in sea level during the past 20,000 years are recorded in sediments taken from the continental shelf off the Rogue River, Oregon. Sea level has risen approximately 125 m. during the Holocene (Curray, 1965) and the general transgression has...
1968-09-25 (iso8601)
Levels of ⁶⁵Zn in water, sediments, plants, and animals in Alder Slough, a small ecosystem in the Columbia River Estuary, were determined periodically during a one year period. Concentrations of total Zn in organisms were also measured to permit...
1967-08-22 (iso8601)
Surveyor Deep-Sea Channel extends for approximately 700 km over the northern Alaskan Abyssal Plain. It originates near the base of the continental slope opposite Dry Bay and Alsek Strath and terminates in the Aleutian Trench south of Kodiak...
1972-02-09 (iso8601)
Many sediments, including the fine-grained pelagic deposits, possess polymodal grain size distributions. Resolution of individual modes show them to be related either to compositional fractions or to depositional processes or both, and sometimes...
1971-06-11 (iso8601)
Quartz is an ubiquitous component of marine sediments. Textural characteristics of this component reflect the dynamics of its transport and at the same time are indicative of its source. Quartz may be extracted from marine sediments by means of a...
1972-03-02 (iso8601)
The motions of a small spar buoy were measured in deep water. The measured variables were two buoy tilts, three accelerations, two wave slopes and the wave height. The variables were corrected for buoy motion and rotated to stationary coordinates,...
1971-06-22 (iso8601)
In situ salinity, turbidity and temperature were measured at discrete depths and water samples for radioanalysis were simultaneously collected in the Columbia River Estuary using a specially designed instrument package. Particulate radioactivity...
1967-05-11 (iso8601)
Radioactive chromium-51, a waste byproduct from operation of nuclear reactors at Hanford, Washington, has been followed down the Columbia River and into the Pacific Ocean. Chemical factors influencing the partitioning of ⁵¹Cr between solution and...
1966-12-15 (iso8601)
During the six-month period of July through December, 1966, a study of animals inhabiting laminarian holdfasts in Yaquina Bay, Oregon, was carried out to determine what animals live in this habitat and to gain some idea of the factors which...
1967-05-11 (iso8601)
Direct measurements of vertical water motions were made in the Oregon coastal region during the 1972 summer upwelling season. The instruments used were the Webb-Voorhis vertical current meters which are freely drifting neutrally buoyant floats...
1973-08-30 (iso8601)
During the GEOSECS cruise of the R/V KNORR, July 1972-April 1973, a very complete and high quality nutrient data set was acquired for the Atlantic Ocean. One hundred and twenty-one hydrographic stations were occupied throughout the Atlantic...
1974-04-29 (iso8601)
An attempt has been made to experimentally interbreed Atlantic and Pacific populations of the marine calanoid copepod Acartia clausi Giesbrecht. Breeding between individuals from each population produced many successive generations in the...
1973-08-27 (iso8601)
The opening of the South Atlantic between 140 and 90 m. y. B. P. occurred about two poles of rotation. The initial pole of rotation was maintained until Africa and South America were completely separated. The subsequent removal of restraints...
1973-12-20 (iso8601)
In order to quantitatively examine the crustal structure of the Panama Basin without the benefit of local seismic refraction data, the following assumptions were made: (1) No significant lateral changes in density take place below a depth of 50...
1973-12-19 (iso8601)
The wind field measured during Project JASIN 1972, a joint British-American venture during September 1972, was analyzed. These measurements were done, with equipment manufactured by Ivar Aanderaa of Bergen, Norway, on large, anchored toroid...
1973-08-16 (iso8601)
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