Columbia River Effluent in the Northeast Pacific Ocean, 1961, 1962 PDF Download
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Author: Thomas F. Budinger
Publisher:
ISBN:
Category : Ocean circulation
Languages : en
Pages : 110
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Book Description
The Department of Oceanography, University of Washington, under contract with the Atomic Energy Commission from 1961 to the present, has intensified its studies in the area of Columbia River discharge. The first objectives were to determine the gross features of the movement and dispersion of the effluent water in the open sea, and ultimately to ascertain the probable fate of any radioactive material that might be associated with river effluent of river-borne materials. Studies of the physical, chemical, geological and biological properties of the effluent water and ambient ocean water were undertaken with these objectives in mind. This paper reports the gross features of the plume as they were observed in 1961 and 1962 and describes quantitatively certain features of the dispersion of the plume water; other results of this continuing study will be reported when analyses are completed. The intense sampling program which commenced in January 1961 has formed the basis for investigations of chemical properties by Richards and Stefansson (1963) and Stefansson and Richards (1964); Biological studies by Anderson (1964); and geological studies by Gross and co-workers (1963).
Author: Thomas F. Budinger
Publisher:
ISBN:
Category : Ocean circulation
Languages : en
Pages : 110
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Book Description
The Department of Oceanography, University of Washington, under contract with the Atomic Energy Commission from 1961 to the present, has intensified its studies in the area of Columbia River discharge. The first objectives were to determine the gross features of the movement and dispersion of the effluent water in the open sea, and ultimately to ascertain the probable fate of any radioactive material that might be associated with river effluent of river-borne materials. Studies of the physical, chemical, geological and biological properties of the effluent water and ambient ocean water were undertaken with these objectives in mind. This paper reports the gross features of the plume as they were observed in 1961 and 1962 and describes quantitatively certain features of the dispersion of the plume water; other results of this continuing study will be reported when analyses are completed. The intense sampling program which commenced in January 1961 has formed the basis for investigations of chemical properties by Richards and Stefansson (1963) and Stefansson and Richards (1964); Biological studies by Anderson (1964); and geological studies by Gross and co-workers (1963).
Author: George Cameron Anderson
Publisher:
ISBN:
Category : Effluent quality
Languages : en
Pages : 102
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The distribution of chlorophyll (a) and phytoplankton productivity off the Washington and Oregon coasts has been observed during 14 cruises from January, 1961 to June, 1962. Suface waters in the area covered by the Columbia River effluent generally contained more phytoplankton and had a higher rate of photosynthesis than ambient waters. The densest and most variable populations were found during summer in coastal upwelling areas and directly off the river mouth. Although there was little seasonal change in standing stock, production was quite variable with minima in winter and summer and a large spring bloom and lesser autumn pulse. The major influence of Columbia River water on phytoplankton production appeared to be in the timing of events in the seasonal cycle. Phytoplankton development was noticeably affected by differences in the depth of the mixed layer and the sharp pycnocline during summer. The seasonal variation of C-14 - chlorophyll (a) uptake ratios was marked. Low values occurred during wnter with a maximum during the spring bloom. 'Dead' or inactive chlorophyll appeared to be negligible at all times, judging from regressions of these relationships. (Author).
Author: C. M. Love
Publisher:
ISBN:
Category :
Languages : en
Pages : 262
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Book Description
Author: C. M. Love
Publisher:
ISBN:
Category : Chlorophyll
Languages : en
Pages : 194
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Book Description
The objectives of this study are to determine the gross features of the movement and dispersion of Columbia River effluent water in the open sea off the mouth of the river and along the adjacent coast, and ultimately to ascertain the probable fate of any radioactive material that might be associated with the effluent or with riverborne materials.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 416
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Book Description
Author: Willis K. Peterson
Publisher:
ISBN:
Category : Marine zooplankton
Languages : en
Pages : 250
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Book Description
The report contains tabulations of net zooplankton data from 434 quantitative samples collected during 1961 and 1962 on the Research Vessel Brown Bear off the Washington and Oregon coasts. The samples were collected in key areas in and around the Columbia River effluent to provide a description of seasonal variations of distribution and abundance of plankton associated with changes in the discharge of river water. Identification and enumeration of copepods was stressed. (Author).
Author: Alyn C. Duxbury
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 138
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 180
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Book Description
This report contains tabulated physical, chemical, and biological data collected during one cruise of the Research Vessel Brown Bear during the months of November - December 1961 in an area within 180 miles of the coasts of Washington and Oregon. These data were collected as part of a year-round study which has as its objective the determination of the gross features of the movement and dispersion of Columbia River effluent water in the Northeast Pacific. (Author).
Author: Alyn C. Duxbury
Publisher:
ISBN:
Category :
Languages : en
Pages : 120
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Book Description
Surveys off the Washington-Oregon coast by the Department of Oceanography, University of Washington, from 1961 through 1963 have provided salinity data for describing the Columbia River effluent in the Northeast Pacific Ocean. The data also have provided insight into the interactions between the observed distributions and the meteorological systems. Each salinity distribution is categorized into one of four distinct seasonal patterns, mainly influenced by river discharge and winds. The salinity distributions delineate the extent of the influence of the Columbia River effluent in the Northeast Pacific Ocean both horizontally with distance and vertically with depth. Also shown and discussed are the mean wind patterns for the area during this time period, their influence on the river out-flow and their role in the transport of the dilute surface waters. A method is described for the prediction of the salinity distribution of the effluent from surface wind data. (Author).
