James C. Kelley

San Francisco State University

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Susan A. Huntsman

National Oceanic and Atmospheric Administration

Terry E. Whitledge

University of Alaska Fairbanks

John J. Walsh

University College Dublin

Wolf Tietze

EEW Energy from Waste

Dolors Blasco

Institut Català de Ciències del Clima

Joe S. Creager

University of Washington

Richard C. Dugdale

San Francisco State University

Ulf Lie

University of Bergen

H. Duane Smith

University of Kansas

John C. Van Leer

University of Miami

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University of Southern California

Bigelow Laboratory for Ocean Sciences

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Institut de Ciències del Mar

Consejo Superior de Investigaciones Científicas

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Continental Shelf Sedimentation in an Arctic Environment

Geological Society of America Bulletin (1969)

Dean A. McManus James C. Kelley Joe S. Creager

Research Article| October 01, 1969 Continental Shelf Sedimentation in an Arctic Environment DEAN A McMANUS; DEAN A McMANUS Department of Oceanography, University of Washington, Seattle, Washington Search for other works by this author on: GSW Google Scholar JAMES C KELLEY; JAMES C KELLEY Department of Oceanography, University of Washington, Seattle, Washington Search for other works by this author on: GSW Google Scholar JOE S CREAGER JOE S CREAGER Department of Oceanography, University of Washington, Seattle, Washington Search for other works by this author on: GSW Google Scholar GSA Bulletin (1969) 80 (10): 1961–1984. https://doi.org/10.1130/0016-7606(1969)80[1961:CSSIAA]2.0.CO;2 Article history received: 13 Dec 1968 rev-recd: 10 Mar 1969 first online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation DEAN A McMANUS, JAMES C KELLEY, JOE S CREAGER; Continental Shelf Sedimentation in an Arctic Environment. GSA Bulletin 1969;; 80 (10): 1961–1984. doi: https://doi.org/10.1130/0016-7606(1969)80[1961:CSSIAA]2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract A factor analysis of 579 bottom sediment samples from the Continental Shelf in the Chukchi and northeastern Bering Seas identified three factors that “explain” 92 percent of the variation of ten granulometric variables. Factor I represents deposition of silts and clays by settling from the water column. Although Factor I is extensively distributed in the areas of quieter water, the extreme values occur where there is an abrupt reduction in transporting capacity. Factor II represents both the provenance of the sand and the deposition or modification of sands by nearshore processes. Factor III represents beach processes and also several processes producing a poorly sorted sediment.The silts and clays from the Yukon River cover the bottom of Norton Sound and are encroaching onto the relict sands of the Chirikov Basin. Together with the muds from other Alaskan rivers, the Yukon sediment is also transported into the Chukchi Sea, in both the coastal water and offshore water. The coastal flow leaves the coast at Point Hope, diverges, and enters the complex circulation in the Chukchi Basin that is controlled by regional winds. Depending upon the atmospheric pressure distribution, the currents may carry much of the sediment off the shelf down Herald Canyon or into the East Siberian Sea, or the bottom water and sediment may remain in residence on the shelf even to a point of minor stagnation of the circulation. Sufficient mud has been deposited to floor the basin. The compensation current from the East Siberian Sea may be a more significant sediment supplier than previously thought, and the northward flow of the Bering Strait current from Point Hope to Point Barrow may be sporadic.The nearshore sands of the southeastern Chukchi Sea are modern, wave sorted in places, and current deposited in other places. Along the Siberian coast and in the northeastern Chukchi Sea, the sands are relict and residual. Residual sediment also occurs on Herald Shoal.Although the seas are ice covered for 9 to 10 months annually, ice rafting is not a dominant sedimentary process. Deposition of fine sediment may occur during this time by settling from the homogeneous water. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.

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10.1130/0016-7606(1969)80[1961:cssiaa]2.0.co;2

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A report on the Second Pacific Symposium on Marine Sciences: The rational use of national resources of the ocean

GeoJournal (1989)

James C. Kelley

Ocean science

10.1007/bf00722378

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Citations (1)

Time-varying distributions of biologically significant variables in the ocean

Deep Sea Research and Oceanographic Abstracts (1975)

James C. Kelley

Current meter

Marine ecosystem

10.1016/0011-7471(75)90006-6

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Benthic Infauna Communities off the Coast of Washington and in Puget Sound: Identification and Distribution of the Communities

Journal of the Fisheries Research Board of Canada (1970)

Ulf Lie James C. Kelley

Benthic infauna was collected at 37 stations in Puget Sound, in Juan de Fuca Strait, and off the northwestern coast of Washington during the summer of 1967, and at 18 additional stations off the southwestern coast of Washington during the summer of 1968. The crustaceans, lamellibranchs, and echinoderms were identified and counted, and the data were subjected to an analysis of affinity among stations, to Fager's recurrent group analysis, and to factor analysis for identification of the benthic communities and the groupings of benthic species in the investigated area.Trellis-diagrams of indices of affinity among the stations, based on the presence or absence of species, indicated four rather distinct groups of stations with specific geographic distributions or relations to certain sediment types. Fager's recurrent group analysis for the 36 most frequently occurring species resulted in eight groups and five species that were strongly associated with one or more of the recurrent groups. Most tests of interspecific relations among the species within the groups were not significant, and it was concluded that the analysis was only partly useful for delimiting species groups with ecological significance. The Q-mode of the factor analysis resulted in three groups of stations distributed in bands parallel to the coast, and each group of stations (community) could be recognized by its distinct sediment types or depth distribution. The R-mode of the factor analysis gave six groups of species with specific preferences of depths, sediment types, or geographic distribution. The results of the various techniques were compared, and their application in benthic synecology was discussed.

Species groups

10.1139/f70-069

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Further transition states of the Baja California upwelling ecosystem1,2

Limnology and Oceanography (1977)

John J. Walsh Terry E. Whitledge James C. Kelley Susan A. Huntsman R.D. Pillsbury

Measurements were made of wind, surface circulation, hydrography, nutrients, and phytoplankton and zooplankton rate processes in a time series at 27°N during April 1973. A string of current meters and a towed acoustic body were also used to assess the distribution of subsurface currents and red crabs. The seasonal onset of upwelling had already occurred. Diatoms were initially the dominant primary producers. Two perturbations of the upwelling state were observed in response to relaxation of the winds. A comparison of this study with a preceding one in March 1972 indicates that the rate of upwelling, the nutrient content, and the phytoplankton specific growth rate were about the same in both years. The total productivity and biomass of the phytoplankton were less in 1973, implying that greater grazing stress was associated with a switch from smaller dinoflagellates to larger diatoms. Local temporal variability of upwelling off Baja California is postulated to have led to the replacement of clupeids by the red crab, Pleuroncodes planipes , as a facultative herbivore.

10.4319/lo.1977.22.2.0264

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Citations (75)

Spin‐up of the Baja California upwelling ecosystem1

Limnology and Oceanography (1974)

John J. Walsh James C. Kelley Terry E. Whitledge J.J. MacIsaac Susan A. Huntsman

The seasonal onset of coastal upwelling off Baja California was studied during March 1972. Time series of stations were taken for 2 weeks at 27°N off Punta San Hipolito; data on physical, chemical, and biological variables are used to estimate the source of upwelled water, the rate of nutrient input to the euphotic zone, and the rate of subsequent biological utilization. Red tide dinoflagellates were observed to be a precursor of the presumably more typical diatom community of this upwelling ecosystem. This Gonyaulax polyedra dominated system suggests that these organisms lead to a longer food chain than that found later in the upwelling season. Pleuroncodes planipes, a facultative herbivore, was observed in large numbers but did not appear to be phytophagous during the transition from an oceanic to an upwelling food chain.

Facultative

10.4319/lo.1974.19.4.0553

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Statistical methods for the earth scientist: An introduction: Roger Till. Halstead Press, New York, New York. 154pp., $11.75

Quaternary Research (1975)

James C. Kelley

An abstract is not available for this content so a preview has been provided. Please use the Get access link above for information on how to access this content.

10.1016/0033-5894(75)90031-9

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Citations (0)

Book reviews

GeoJournal (1989)

W. Stanley H. Duane Smith Hanns J. Buchholz W. J. van den Bremen W. U. Ehrmann

10.1007/bf02301855

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Observations of a Persistent Upwelling Center off Point Conception, California

Springer eBooks (1983)

Burton H. Jones K. H. Brink Richard C. Dugdale David W. Stuart John C. Van Leer

10.1007/978-1-4615-6651-9_3

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Citations (49)

Least Squares Analysis of Tectonite Fabric Data

Geological Society of America Bulletin (1968)

James C. Kelley

Research Article| February 01, 1968 Least Squares Analysis of Tectonite Fabric Data JAMES C KELLEY JAMES C KELLEY Dept. Oceanography, University of Washington, Seattle, Washington Search for other works by this author on: GSW Google Scholar Author and Article Information JAMES C KELLEY Dept. Oceanography, University of Washington, Seattle, Washington Publisher: Geological Society of America Received: 16 Nov 1966 Revision Received: 29 May 1967 First Online: 02 Mar 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Copyright © 1968, The Geological Society of America, Inc. Copyright is not claimed on any material prepared by U.S. government employees within the scope of their employment. GSA Bulletin (1968) 79 (2): 223–240. https://doi.org/10.1130/0016-7606(1968)79[223:LSAOTF]2.0.CO;2 Article history Received: 16 Nov 1966 Revision Received: 29 May 1967 First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation JAMES C KELLEY; Least Squares Analysis of Tectonite Fabric Data. GSA Bulletin 1968;; 79 (2): 223–240. doi: https://doi.org/10.1130/0016-7606(1968)79[223:LSAOTF]2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract The graphical techniques presently in use in structural petrology are unsatisfactory, except in special cases, due to (1) their limiting assumptions and (2) their inherent imprecision. These difficulties may be overcome by introducing more general assumptions and by treating the data more directly.The “best” axis may be defined for any given set of fabric data by a least squares criterion, based upon a general conical model. In the limits this model reduces to (1) the point distribution which is analyzed in beta diagrams and centrosymmetric point maxima of lineations, and (2) the great circle distribution, which is analyzed in pi diagrams. As defined by the least squares criterion, the best axis may be interpreted as the “factor” (by analogy with factor analysis) which explains a minimum of the variance in the data. A variance surface may be constructed from spacially distributed trial axes, plotted on a spherical surface, and then projected onto a plane. Such surfaces show how the variance explained by trial axes varies with orientation.Variance surfaces allow development and testing of models that approximate the structures under consideration. Examples from metamorphic rocks of the Sierra Nevada show how data may be analyzed and models may be developed. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.

Tectonite

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10.1130/0016-7606(1968)79[223:lsaotf]2.0.co;2

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