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  • 1
    facet.materialart.
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    Age determination of ODP sites 169-1033 and 169-1034 (2003)
    PANGAEA
    In:  Supplement to: Blais-Stevens, A; Clague, John J; Mathewes, Rolf W; Hebda, R J; Bornhold, Brian D (2003): Record of large, Late Pleistocene outburst floods preserved in Saanich Inlet sediments, Vancouver Island, Canada. Quaternary Science Reviews, 22(21-22), 2327-2334, https://doi.org/10.1016/S0277-3791(03)00212-9
    Details
    Publikationsdatum: 2024-01-09
    Beschreibung: Two anomalous, gray, silty clay beds are present in ODP cores collected from Saanich Inlet, Vancouver Island, British Columbia, Canada. The beds, which date to about 10,500 14C yr BP (11,000 calendar years BP), contain Tertiary pollen derived from sedimentary rocks found only in the Fraser Lowland, on the mainland of British Columbia and Washington just east of the Strait of Georgia. Abundant illite-muscovite in the sediments supports a Fraser Lowland provenance. The clay beds are probably distal deposits of huge floods that swept through the Fraser Lowland at the end of the Pleistocene. Muddy overflow plumes from these floods crossed the Strait of Georgia and entered Saanich Inlet, where the sediment settled from suspension and blanketed diatom-rich mud on the fiord floor. The likely source of the floods is Late Pleistocene, ice-dammed lakes in the Fraser and Thompson valleys, which are known to have drained at about the time the floods occurred.
    Schlagwort(e): 169-1033B; 169-1033C; 169-1033D; 169-1034B; 169-1034D; 169-1034E; Age, 14C AMS; Age, 14C calibrated; Age, dated; Age, dated material; Age, dated standard deviation; Age, maximum/old; Age, minimum/young; Coastal waters of SE Alaska; Comment; Dead Dog vent field, North Pacific Ocean; DEPTH, sediment/rock; Distance, relative; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Joides Resolution; Leg169S; Ocean Drilling Program; ODP; Sample code/label; Sample code/label 2
    Materialart: Dataset
    Format: text/tab-separated-values, 207 data points
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    DATEN PANGAEA
  • 2
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    (Table 1) AMS radiocarbon ages from ODP Sites 169-1033 and 169-1034 (2001)
    PANGAEA
    In:  Supplement to: Blais-Stevens, A; Clague, John J (2001): Paleoseismic signature in late Holocene sediment cores from Saanich Inlet, British Columbia. Marine Geology, 175(1-4), 131-148, https://doi.org/10.1016/S0025-3227(01)00132-3
    Details
    Publikationsdatum: 2024-01-09
    Beschreibung: This paper explores the paleoseismic record potentially preserved in the upper 40 m of hydraulic piston cores collected in 1996 at two sites in Saanich Inlet, British Columbia, during ocean drilling program (ODP) Leg 169S. The ODP cores are missing 1-2 m of water-rich sediment directly underlying the seafloor, but this sediment is preserved in shorter piston cores collected in 1989 and 1991. The upper part of the ODP cores consists of rhythmically laminated (varved) marine mud with intercalated massive beds, interpreted to be debris flow deposits. Some of the debris flow deposits are linked to past earthquakes, including the 1946 Vancouver Island earthquake (M7.2), a great (M8-9) plate-boundary earthquake at the Cascadia subduction zone in January 1700, and a large crustal or plate-boundary earthquake about 1000 yr ago. Earthquakes may also be responsible for debris flows in about AD 1600, 1500, 1250, 1150, 850, 450, 350, 180, and BC 200, 220, 500, 900, and 1050. If so, the average recurrence interval for moderate to large earthquakes, which trigger debris flows in Saanich Inlet, is about 150 yr. This recurrence interval is broadly consistent with the frequency of moderate to large earthquakes in the region during the historical period. Debris flows, however, can also be triggered by non-seismic processes, making it difficult to assemble a complete earthquake record from the Saanich Inlet cores. We propose that extensive debris flow deposits, emplaced by single large failures or many smaller coincident failures, probably have a seismic origin.
    Schlagwort(e): 169-1033B; 169-1033C; 169-1033D; 169-1034B; 169-1034C; 169-1034D; 169-1034E; Age, 14C AMS; Age, 14C calibrated; Age, dated; Age, dated material; Age, dated standard deviation; Age, maximum/old; Age, minimum/young; Coastal waters of SE Alaska; Dead Dog vent field, North Pacific Ocean; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Joides Resolution; Leg169S; Number; Ocean Drilling Program; ODP; Sample code/label; Taxon/taxa
    Materialart: Dataset
    Format: text/tab-separated-values, 529 data points
    Standort Signatur Erwartet Verfügbarkeit
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    DATEN PANGAEA
  • 3
    facet.materialart.
    Unbekannt
    (Table 1) Summary of accelerator mass spectrometer (AMS) radiocarbon ages in ODP Sites 169-1033 and 169-1034 (2001)
    PANGAEA
    In:  Supplement to: Blais-Stevens, A; Bornhold, Brian D; Kemp, Alan E S; Dean, J M; Vaan, A A (2001): Overview of Late Quaterary stratigraphie in Saanich Inlet, British Columbia: results of Ocean Drilling Program Leg 169S. Marine Geology, 174(1-4), 3-26, https://doi.org/10.1016/S0025-3227(00)00139-0
    Details
    Publikationsdatum: 2024-01-09
    Beschreibung: Continuous coring in Saanich Inlet (Ocean Drilling Program, ODP Leg 169S), British Columbia, Canada, yielded a detailed record of Late Quaternary climate, oceanography, marine productivity, and terrestrial vegetation. Two sites (1033 and 1034) were drilled to maximum depths of 105 and 118 m, recovering sediments ranging in age from 13,300 to less than 300 14C yr. Earliest sediments consist of dense, largely massive, gray glaciomarine muds with dropstones and sand and silt laminae deposited during the waning stages of glaciation. Deposition of organic-rich olive gray sediments began in the fjord about 12,000 14C yr ago, under well-oxygenated conditions as reflected by the presence of bioturbation and a diverse infaunal bivalve community. At about 10,500 14C yr, a massive, gray unit, 40-50 cm thick, was emplaced in a very short span of time. The unit is marked by a sharp lower contact, a gradational upper contact and an abundance of reworked Tertiary microfossils. It has been interpreted as resulting from massive flood events caused by the collapse of glacial dams in the Fraser Valley of mainland British Columbia. Progressively greater anoxia in bottom waters of Saanich Inlet began about 7000 14C yr ago. This is reflected in the preservation of varved sediments consisting of diatomaceous spring-summer laminae and terrigenous winter laminae. Correlation of the sediments was based on: marked lithologic changes, the presence of massive intervals (reflecting localized sediment gravity flow events), the Mazama Ash, occasional thin gray laminae (indicative of abnormal flood events in nearby watersheds), varve counts between marker horizons, and 71 accelerator mass spectrometry (AMS) radiocarbon dates.
    Schlagwort(e): 169-1033B; 169-1033C; 169-1033D; 169-1034B; 169-1034C; 169-1034D; 169-1034E; Age, 14C AMS; Age, 14C calibrated; Age, dated; Age, dated material; Age, dated standard deviation; Age, maximum/old; Age, minimum/young; Coastal waters of SE Alaska; Dead Dog vent field, North Pacific Ocean; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Joides Resolution; Leg169S; Number; Ocean Drilling Program; ODP; Sample code/label; Taxon/taxa
    Materialart: Dataset
    Format: text/tab-separated-values, 529 data points
    Standort Signatur Erwartet Verfügbarkeit
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    DATEN PANGAEA
  • 4
    Digitale Medien
    Digitale Medien
    Compressibility Factors of Nitrogen-Propane Mixtures in the Gas Phase (1954)
    s.l. : American Chemical Society
    Industrial & engineering chemistry 46 (1954), S. 362-364 
    Details
    ISSN: 1520-5045
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ie50530a043
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  • 5
    Digitale Medien
    Digitale Medien
    First results of collective scattering on JET (invited) : Proceedings of the eleventh topical conference on high temperature plasma diagnostics (1997)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 68 (1997), S. 275-280 
    Details
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: The fast ion and α-particle diagnostic at JET is based on collective Thomson scattering of high power millimeter-wave radiation. The principal aim of the diagnostic will be the measurement of the spatially resolved velocity distribution of fast α particles when tritium is introduced in JET plasmas, although several other applications are foreseen. The diagnostic uses a 140 GHz, 500 kW, gyrotron as the source of probing radiation and a heterodyne detection system. The diagnostic came into operation during the last JET operational campaign. First measurements were made of the thermal and mildly suprathermal (induced by ion cyclotron resonance heating) ion feature. The results confirmed expectations, indicating that the diagnostic should give the predicted performance for observation of α-particle populations in the DT phase. The signal-to-noise ratio is limited by the noise on the background radiation (electron cyclotron emission), which has a minimum around 140 GHz only when JET is operated at B∼3.4 T. To further improve the S/N and to make the diagnostic suitable for operation at higher field, which is now being considered for some of the DT plasmas, a viewing dump will be installed before the DT phase. © 1997 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.1147822
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  • 6
    Digitale Medien
    Digitale Medien
    PARTIAL HYDROLYSIS OF SILICON TETRACHLORIDE (1947)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 69 (1947), S. 726-726 
    Details
    ISSN: 1520-5126
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ja01195a522
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  • 7
    Digitale Medien
    Digitale Medien
    BOTANY AND PHARMACOGNOSY. (1907)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 29 (1907), S. 1247-1248 
    Details
    ISSN: 1520-5126
    Quelle: ACS Legacy Archives
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1021/ja01962a023
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  • 8
    Digitale Medien
    Digitale Medien
    Taxonomy Acanthamoeba royreba sp. n. from a Human Tumor Cell Culture (1978)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 25 (1978), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SYNOPSIS. A new species of Acanthamoeba was isolated from a culture of an established line of human choriocarcinoma cells. The identification of this strain, originally called the Oak Ridge strain, and the establishment of a new species for it were based on morphologic, serologic, and immunochemical studies. In general, the structure of the trophozoite did not differ significantly from that of other species of Acanthamoeba, except that a body which more closely resembled a centriole than material described previously as centriolar satellites was observed in trophozoites examined with the electron microscope. The dimensions of the trophozoite were the smallest among the species of Acanthamoeba. The cyst was typical of the genus, but differed from those of other species by its smaller size and the presence of numerous ostioles. Studies of the Oak Ridge strain by immunofluorescence using antisera developed against the isolate and Acanthamoeba culbertsoni, A. castellanii, A. polyphaga, A. rhysodes, A. astronyxis, and A. palestinensis revealed the antigenic uniqueness of the Oak Ridge strain. It was demonstrated by immunoelectrophoretic analyses of the soluble proteins of the Oak Ridge strain that it shared ∼ 1/2 of its antigenic structure with A. castellanii and A. culbertsoni. The antigenic differences of the isolate from other species of Acanthamoeba were deduced from comparison of the antigenic constitution of these species and the Oak Ridge strain with A. culbertsoni and A. castellanii. Although the strain was initially recognized by its cytopathogenicity for cultures, it did not produce acute infections in mice after intranasal inoculation of 1 × 104 amebae/mouse. The foregoing results constituted the basis for the establishment of the Oak Ridge strain as a new species, A. royreba sp. n., in the genus Acanthamoeba.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1978.tb03854.x
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  • 9
    Digitale Medien
    Digitale Medien
    Serologic Analyses of Cell-Surface Antigens of Acanthamoeba spp. with Plasma Membrane Antisera (1977)
    Oxford, UK : Blackwell Publishing Ltd
    The @journal of eukaryotic microbiology 24 (1977), S. 0 
    Details
    ISSN: 1550-7408
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Biologie
    Notizen: SYNOPSIS. Antisera were raised against plasma membrane-enriched fractions of the species Acanthamoeba castellanii and Acanthamoeba culbertsoni to determine whether cell-surface antigens would facilitate species identification of Acanthamoeba isolated from the environment or in human infections. Acanthamoeba castellanii and A. culbertsoni plasma membranes were purified, after homogenization, by differential and isopycnic centrifugation. Electron microscopic examination of purified membrane samples showed an enrichment of membranes with a typical trilaminar structure. Occasionally, mitochondria were recognized in the electron microscope preparations. 5′-Nucleotidase, Mg2+-ATPase, and alkaline phosphatase were enriched 11-fold, 2-fold, and 7-fold, respectively, in the A. castellanii membranes, as determined from analyses of the enzyme activities in whole cell homogenates and membrane preparations. 5′-Nucleotidase was not detected in A. culbertsoni, but the activities of Mg2+-ATPase and alkaline phosphatase were increased 2- to 3-fold. Both membrane preparations showed no glucose-6-phosphatase activity and less than 5% contamination with succinic dehydrogenase. From assays of acid phosphatase activity, the most apparent contamination of the plasma membrane preparations was with membranes of phagocytic vacuoles. Acanthamoeba castellanii membrane antisera produced significant agglutination and fluorescence of homologous cells to titers of 1:8192 and 1:1024, respectively. Acanthamoeba polyphaga and Acanthamoeba rhysodes gave the most cross-reactions in heterologous tests. They were agglutinated to a titer of 1:128 and positively fluoresced to titers of 1:32 and 1:64, respectively. Antisera of A. culbertsoni membrane agglutinated homologous cells at a dilution up to 1:4096 and produced homologous fluorescent titers up to 1:512. Other than agglutination of A. polyphaga to a titer of 1:128, these antisera did not cross-react significantly with any remaining heterologous species. Three new isolates were identified with these plasma membrane antisera: 2 of them, contaminants from tumor tissue cultures, were identified as A. culbertsoni. Preliminary information is also given on the use of the membrane antisera for species identification of Acanthamoeba in several new cases of amebic encephalitis.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1550-7408.1977.tb00986.x
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  • 10
    Digitale Medien
    Digitale Medien
    GROUND CONTROL DETERMINATION FOR REGISTRATION OF SATELLITE IMAGERY USING DIGITAL MAP DATA (1988)
    Oxford, UK : Blackwell Publishing Ltd
    The @photogrammetric record 12 (1988), S. 0 
    Details
    ISSN: 1477-9730
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Architektur, Bauingenieurwesen, Vermessung
    Notizen: Work is reported on the production of terrain elevation data from SPOT imagery. An important step in this process is determination of exterior orientation parameters for the images. Although an initial estimate is available in the SPOT header, refinements are required based on plan and height data. These are generally derived from photogrammetric measurements (or sources such as global positioning satellite systems), but accurate manual determination is time consuming.This paper reports an alternative approach by investigating the use of existing map data (located on the earth's surface and in a known projection) to find corresponding “ground control points” in both map and image. Available maps may be in digital or paper form depending on the state of development of mapping in the part of the world being studied. The last revision date and the cartographic generalisation employed will also effect the fidelity of the final result. Practical semi-automatic techniques for determining the height of ground control points from existing map data are described, including multiple profiles through digitised contour data, a commercial terrain modelling package based on Delaunay triangulation and the use of triangulation points on prominent features.Comparisons between the methods are made and results obtained are compared with Institut Géographique National datasets and photogrammetric measurements. Methods for fully automating not only the height determination but also the location of ground control features within a map database are discussed. Map and image registration is described and illustrated using Laser-Scan's Rover software. Interactive and automated methods of registration are discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1477-9730.1988.tb00631.x
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