Columbia River Effluent in the Northeast Pacific Ocean, 1961, 1962 PDF Download
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Author: George Cameron Anderson
Publisher:
ISBN:
Category : Effluent quality
Languages : en
Pages : 102
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Book Description
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: Thomas F. Budinger
Publisher:
ISBN:
Category : Ocean circulation
Languages : en
Pages : 110
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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:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 304
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Author: Defense Documentation Center (U.S.)
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 702
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Author: Alyn C. Duxbury
Publisher:
ISBN:
Category : Oceanography
Languages : en
Pages : 138
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Author: Howard T. Odum
Publisher:
ISBN:
Category : Coastal ecology
Languages : en
Pages : 496
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Book Description
A collection of short poems, mainly on themes suggested by the natural world.
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 : Marine biology
Languages : en
Pages : 774
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Author:
Publisher:
ISBN:
Category : Limnology
Languages : en
Pages : 748
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