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  • Other Sources  (20)
  • Nature Publishing Group  (8)
  • Academic Press
  • Blackwell Publishing Ltd
  • Institute of Physics
  • International Union of Crystallography
  • Springer-Verlag
  • 2020-2023
  • 1995-1999  (7)
  • 1990-1994
  • 1980-1984  (13)
  • 1996  (7)
  • 1981  (3)
  • 1980  (10)
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  • 2020-2023
  • 1995-1999  (7)
  • 1990-1994
  • 1980-1984  (13)
Year
  • 1
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    Academic Press
    In:  New York, 293 pp., Academic Press, vol. 34, no. 22, pp. 65-70, (ISBN 0-691-12183-4, 2005 (481 pp. + CD-ROM))
    Publication Date: 1981
    Keywords: Seismic networks ; Handbook of geophysics ; Seismology
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  • 2
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    Springer-Verlag
    In:  Professional Paper, Digital Pattern Recognition, Berlin, Springer-Verlag, vol. 1, no. 231, pp. 205-232, (ISBN: 3-540-23712-7)
    Publication Date: 1980
    Keywords: MJOSWIG, ; RUB ; GMG ; MB3418 ; Pattern recognition ; Textbook of informatics
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  • 3
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    Springer-Verlag
    In:  Professional Paper, Digital Pattern Recognition, Berlin, Springer-Verlag, vol. 1, no. 231, pp. 1-14, (ISBN: 3-540-23712-7)
    Publication Date: 1980
    Keywords: Pattern recognition ; MJOSWIG, ; RUB ; GMG ; MB3418
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  • 4
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    Springer-Verlag
    In:  Berlin, Springer-Verlag, vol. 11, no. 16, pp. 220, (ISBN: 0-08-037951-6)
    Publication Date: 1980
    Keywords: Pattern recognition
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  • 5
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    Academic Press
    In:  New York, Academic Press, vol. III/12, Supplement to III/4, no. XVI:, pp. 1-14, (ISBN 0-87590-299-5 (soft cover))
    Publication Date: 1980
    Keywords: Inversion
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  • 6
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    Springer-Verlag
    In:  Professional Paper, Digital Pattern Recognition, Berlin, Springer-Verlag, vol. 1, no. 231, pp. 95-134, (ISBN: 3-540-23712-7)
    Publication Date: 1980
    Keywords: Pattern recognition ; MJOSWIG, ; RUB ; GMG ; MB3418
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  • 7
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    Springer-Verlag
    In:  Bull., Open-File Rept., Digital Pattern Recognition, Berlin Heidelberg New York, Springer-Verlag, vol. 48, no. 16, pp. 135-166, (ISBN 0080419208)
    Publication Date: 1980
    Keywords: Pattern recognition ; Textbook of informatics
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  • 8
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    Academic Press
    In:  Bull., Open-File Rept., Advances in Geophysics, San Diego, Academic Press, vol. 10, no. 16, pp. 177-209, (ISBN 0080419208)
    Publication Date: 1996
    Keywords: poro-elasticity ; pressure ; permeability ; porosity ; Fluids ; Seismicity ; Review article
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  • 9
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    Academic Press
    In:  New York, Academic Press, vol. 173, pp. 503, (ISBN 0-444-50968-2)
    Publication Date: 1980
    Keywords: Textbook of geophysics ; Seismology ; Seismics (controlled source seismology)
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  • 10
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    Academic Press
    In:  San Diego, Academic Press, vol. 34, no. 22, pp. 65-70, (ISBN 0-691-12183-4, 2005 (481 pp. + CD-ROM))
    Publication Date: 1996
    Keywords: Plate tectonics ; Textbook of geophysics ; Review article ; Seismology ; Tomography ; many ; references
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  • 11
    Publication Date: 2016-04-11
    Description: There has been concern about recent temperature trends and the future effects of CO2 concentrations in the atmosphere1,2; but instrumental records only cover a few decades to a few centuries and it is essential that proxy data sources, such as pollen spectra from peats and lake sediments, be carefully interpreted as climate records. Several workers have shown statistically significant associations between the modern pollen rain and climatic parameters, an approach that by-passes the recognition of pollen/vegetation units. Statistically defined equations that associate abiotic and biotic elements are called transfer functions. We report here on the application of transfer function equations to nine middle and late Holocene peat and lake sediment sequences from northern Canada (Fig. 1).
    Type: Article , PeerReviewed
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  • 12
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    Nature Publishing Group
    In:  Nature, 288 (5788). pp. 260-263.
    Publication Date: 2016-03-01
    Description: Organic detritus passing from the sea surface through the water column to the sea floor controls nutrient regeneration, fuels benthic life and affects burial of organic carbon in the sediment record. Particle trap systems have enabled the first quantification of this important process. The results suggest that the dominant mechanism of vertical transport is by rapid settling of rare large particles, most likely of faecal pellets or marine snow of the order of 〉200 μm in diameter, whereas the more frequent small particles have an insignificant role in vertical mass flux4–6. The ultimate source of organic detritus is biological production in surface waters of the oceans. I determine here an empirical relationship that predicts organic carbon flux at any depth in the oceans below the base of the euphotic zone as a function of the mean net primary production rate at the surface and depth-dependent consumption. Such a relationship aids in estimating rates of decay of organic matter in the water column, benthic and water column respiration of oxygen in the deep sea and burial of organic carbon in the sediment record.
    Type: Article , PeerReviewed
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  • 13
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    Nature Publishing Group
    In:  Nature, 382 (6589). pp. 344-346.
    Publication Date: 2017-02-27
    Description: The conventional model whereby plume volcanism forms linear age-progressive volcanic chains, with the youngest activity occurring nearest a spreading axis (at a 'hotspot'), has been challenged for the Easter seamount chain1–4. Whereas early work suggested the existence of a linear melting anomaly (a 'hotline')1,2, more recent studies3,4 have proposed a hotspot near Salas y Gomez island, connected with the Easter microplate spreading system by an ~800-km-long, volcanically active plume channel. Here we use geochemical, geological and geochronological data to argue that the hotspot lies close to Easter Island. Moreover, new isotopic data for lavas from the seamount chain provide evidence for bidirectional flow between the spreading axis and the plume, thus supporting geophysical and fluid-dynamical models of mantle flow in a plume/spreading axis system5–7. Material balance and flux considerations show the Easter plume to be weak and cool compared with those beneath larger features such as Iceland, Hawaii and the Galápagos islands.
    Type: Article , PeerReviewed
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  • 14
    Publication Date: 2017-02-27
    Description: A knowledge of past changes in the biological productivity of the oceans is important for understanding the interactions between carbon cycling and climate. Phytoplankton productivity in today's oceans can be estimated from the concentrations of chlorophyll in sea water1, but chlorophyll is not preserved in the sediments. Existing proxies for past algal productivity do not represent total productivity; for example, biogenic opal2 reflects the contribution of only part of the phytoplankton community, and the organic carbon record can be subject to contamination from terrestrial inputs2,3. Although chlorins, the pigment-transformation products of chlorophyll, are widespread in Quaternary marine sediments, their potential as proxy measures of past variations in primary productivity has not been convincingly demonstrated. Here we report a high-resolution molecular stratigraphic record of chlorin concentrations over the past 350,000 years in a sediment core from the subtropical Atlantic continental margin. Maxima in the chlorin accumulation rate coincide with significant peaks in the accumulation rates of biogenic opal (at the end of glacial terminations) and organic carbon (between terminations). These results suggest that chlorins, unlike other proxies, can serve as a measure of total primary productivity variations.
    Type: Article , PeerReviewed
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  • 15
    Publication Date: 2016-09-02
    Description: Analysis of aeolo-marine dust deposits in the subtropical eastern Atlantic enables the strength of the major wind patterns during the late Quaternary to be evaluated and gives an insight into the climate of North Africa.
    Type: Article , PeerReviewed
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  • 16
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    Nature Publishing Group
    In:  Nature, 382 . pp. 802-805.
    Publication Date: 2017-02-27
    Description: A fundamental issue in marine science is the identification of the factors controlling biological uptake of CO2, in high-nitrate, low-chlorophyll regions. A recent in situ iron fertilization experiment demonstrated that iron limitation is responsible for low phytoplankton stocks in the equatorial Pacific4. Here we show that flavodoxin, a biochemical marker of iron limitation, can be used to map the degree of iron stress in natural populations. Flavodoxin assays along a 900-km east-west transect in the northeastern subarctic Pacific revealed a pronounced increase in iron stress in the region west of the 135° W meridian. Addition of dissolved iron alleviated this stress. Immunostaining of single cells from the most western station showed that flavodoxin is present specifically within the chloroplasts of diatoms. Our approach provides a rapid means of defining the extent of iron stress in the ocean5 and supports the hypothesis that diatoms are iron stressed in the northeast Pacific.
    Type: Article , PeerReviewed
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  • 17
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    Nature Publishing Group
    In:  Nature, 287 (5783). pp. 628-630.
    Publication Date: 2016-11-15
    Description: Statoliths of cephalopods are small, hard calcareous stones which lie within the cartilaginous skulls of octopods, sepioids and teuthoids1. Fossil statoliths, clearly belonging to genera which are alive today, have previously been described from 11 Cenozoic deposits spanning from the Eocene to the Pleistocene in North America2–5. Such statoliths are of particular interest because they provide a means of studying the evolution of living cephalopod groups which have no calcareous shells, including the cosmopolitan and numerous teuthoids and octopods. Here, the first cephalopod statoliths to be recognized in European deposits are described and identified as Loligo sp. They are compared with the North American fossil Loligo species and statoliths removed from the two living Loligo species of Europe.
    Type: Article , PeerReviewed
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  • 18
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    Nature Publishing Group
    In:  Nature, 384 (6608). p. 421.
    Publication Date: 2021-08-20
    Type: Article , PeerReviewed
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  • 19
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    Academic Press
    In:  In: Stable Isotopes in Human Nutrition: Inorganic Nutrient Metabolism. , ed. by Mellon, F. and Sandström, B. Academic Press, London, pp. 23-42.
    Publication Date: 2020-09-11
    Type: Book chapter , NonPeerReviewed
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  • 20
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    Academic Press
    In:  Biochemistry International, 1 (5). pp. 455-462.
    Publication Date: 2018-11-20
    Description: The dye Sirius Red binds to collagens types I, II and III, giving red-colored products in which the bound dye is proportional to the amount of collagen present. Several other proteins also bind Sirius Red, in amounts 30-50 times less than collagen, on a weight basis. Because of this preferential binding to collagen, Sirius Red may be used for its quantitation even in presence of other proteins, as it occurs, for instance, in the culture medium of various types of cultured cells. When incubated at room temperature with bacterial collagenase, the Sirius Red-collagen complex is rapidly degraded while it is resistant to mammalian collagenase, trypsin and pepsin. Thus, the release of the bound dye may be used for quantitation of bacterial collagenase activity.
    Type: Article , PeerReviewed
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