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  • Other Sources  (30)
  • Taylor & Francis  (10)
  • Nature Publishing Group  (8)
  • Academic Press
  • Blackwell Publishing Ltd
  • Institute of Physics
  • International Union of Crystallography
  • Springer-Verlag
  • 2020-2023
  • 1995-1999  (12)
  • 1990-1994
  • 1980-1984  (18)
  • 1996  (12)
  • 1981  (5)
  • 1980  (13)
Collection
Source
Keywords
Publisher
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  • 2020-2023
  • 1995-1999  (12)
  • 1990-1994
  • 1980-1984  (18)
Year
  • 1
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    Principles and Applications of Microearthquake Networks (1981)
    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))
    Details
    Publication Date: 1981
    Keywords: Seismic networks ; Handbook of geophysics ; Seismology
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    BIBLIOGRAPHY SEISMOLOGY
  • 2
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    Recent developments in digital pattern recognition (1980)
    Springer-Verlag
    In:  Professional Paper, Digital Pattern Recognition, Berlin, Springer-Verlag, vol. 1, no. 231, pp. 205-232, (ISBN: 3-540-23712-7)
    Details
    Publication Date: 1980
    Keywords: MJOSWIG, ; RUB ; GMG ; MB3418 ; Pattern recognition ; Textbook of informatics
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Introduction (1980)
    Springer-Verlag
    In:  Professional Paper, Digital Pattern Recognition, Berlin, Springer-Verlag, vol. 1, no. 231, pp. 1-14, (ISBN: 3-540-23712-7)
    Details
    Publication Date: 1980
    Keywords: Pattern recognition ; MJOSWIG, ; RUB ; GMG ; MB3418
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Digital Pattern Recognition (1980)
    Springer-Verlag
    In:  Berlin, Springer-Verlag, vol. 11, no. 16, pp. 220, (ISBN: 0-08-037951-6)
    Details
    Publication Date: 1980
    Keywords: Pattern recognition
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    BIBLIOGRAPHY SEISMOLOGY
  • 5
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    Image Reconstruction from Projections - the Fundamentals of Computerized Tomography (1980)
    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))
    Details
    Publication Date: 1980
    Keywords: Inversion
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    BIBLIOGRAPHY SEISMOLOGY
  • 6
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    Syntactic (linguistic) pattern recognition (1980)
    Springer-Verlag
    In:  Professional Paper, Digital Pattern Recognition, Berlin, Springer-Verlag, vol. 1, no. 231, pp. 95-134, (ISBN: 3-540-23712-7)
    Details
    Publication Date: 1980
    Keywords: Pattern recognition ; MJOSWIG, ; RUB ; GMG ; MB3418
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    BIBLIOGRAPHY SEISMOLOGY
  • 7
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    Picture recognition (1980)
    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)
    Details
    Publication Date: 1980
    Keywords: Pattern recognition ; Textbook of informatics
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    BIBLIOGRAPHY SEISMOLOGY
  • 8
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    Poroelastic methods in the study of earthquake-related hydrologic phenomena (1996)
    Academic Press
    In:  Bull., Open-File Rept., Advances in Geophysics, San Diego, Academic Press, vol. 10, no. 16, pp. 177-209, (ISBN 0080419208)
    Details
    Publication Date: 1996
    Keywords: poro-elasticity ; pressure ; permeability ; porosity ; Fluids ; Seismicity ; Review article
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    BIBLIOGRAPHY SEISMOLOGY
  • 9
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    Waves in Layered Media (1980)
    Academic Press
    In:  New York, Academic Press, vol. 173, pp. 503, (ISBN 0-444-50968-2)
    Details
    Publication Date: 1980
    Keywords: Textbook of geophysics ; Seismology ; Seismics (controlled source seismology)
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    BIBLIOGRAPHY SEISMOLOGY
  • 10
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    Structure and Fate of Subducting Slabs (1996)
    Academic Press
    In:  San Diego, Academic Press, vol. 34, no. 22, pp. 65-70, (ISBN 0-691-12183-4, 2005 (481 pp. + CD-ROM))
    Details
    Publication Date: 1996
    Keywords: Plate tectonics ; Textbook of geophysics ; Review article ; Seismology ; Tomography ; many ; references
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    BIBLIOGRAPHY SEISMOLOGY
  • 11
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    The influence of temperature, sex and chela size in the foraging strategy of the shore crab,Carcinus maenas(L.) (1980)
    Taylor & Francis
    In:  Marine Behaviour and Physiology, 7 (1). pp. 15-24.
    Details
    Publication Date: 2018-04-18
    Description: Foraging rate was highly variable among shore crabs of the same size category and for individual crabs from day to day. Possible physiological reasons for this variability are discussed. Shore crab foraging rate, both in terms of mussels eaten per day and energy intake per day, was estimated to be higher at 17°C than at 10°C. The shape of diet curves and their mode for male shore crabs at 17°C closely resembled those for 10°C, indicating that the temperature increase had no effect on their previously demonstrated optimal foraging strategy. Female and certain male shore crabs showed a preference for prey smaller than for other equivalent sized males. These suboptimally feeding male and female crabs attained a relatively higher prédation rate (mussels day‐1), although their energy intake (KJ day‐1) remained lower than that of optimally feeding males. Preferred mussel size, number of mussels eaten per day and energy intake were strongly related to master chela height. The diet curves for female and suboptimally feeding male shore crabs could be explained by these crabs’ proportionately smaller master chelae.
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  • 12
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    Components of body pattern displays in the octopus Eledone cirrhosa (Mollusca: Cephalopoda) (1981)
    Taylor & Francis
    In:  Marine Behaviour and Physiology, 8 (2). pp. 135-148.
    Details
    Publication Date: 2020-07-14
    Description: The major light and dark components of body displays are described and classified for the octopus Eledone cirrhosa (Lamarck) under aquarium conditions. Comparisons are made with Octopus vulgaris and Eledone moschata. Upon the basic similarity of white display components in the three species is superimposed a trend of modification. Dark components are less various in Eledone cirrhosa and although the chromatophores are organised with leucophores into chromatic units these are not clearly limited morphologically by “grooves”. The mottle patterns of Eledone seem to be arranged along the longitudinal and latitudinal (radial) axes of the animal, the grade of mottle does not respond to grade of background contrast.
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  • 13
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    Relative departures in July temperatures in northern Canada for the past 6,000 yr (1981)
    Nature Publishing Group
    In:  Nature, 289 (5794). pp. 164-167.
    Details
    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).
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  • 14
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    Particulate organic carbon flux in the oceans-surface productivity and oxygen utilization (1980)
    Nature Publishing Group
    In:  Nature, 288 (5788). pp. 260-263.
    Details
    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.
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  • 15
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    Two-way exchange between the Easter mantle plume and the Easter microplate spreading axis (1996)
    Nature Publishing Group
    In:  Nature, 382 (6589). pp. 344-346.
    Details
    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.
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  • 16
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    Chlorin accumulation rate as a proxy for Quaternary marine primary productivity (1996)
    Nature Publishing Group
    In:  Nature, 383 (6595). pp. 63-65.
    Details
    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.
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  • 17
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    Growth of Todarodes sagittatus(Lamarck) (Cephalopoda, Ommastrephidae) from the northeast Atlantic, based on counts of statolith growth rings (1981)
    Taylor & Francis
    In:  Sarsia, 66 (1). pp. 53-57.
    Details
    Publication Date: 2020-05-28
    Description: Growth is described from size-at-age data. Size-at-age was determined from counts of daily growth rings on the statoliths of 65 individuals. A mean growth rate of 2 mm/day was calculated for a dorsal mantle length range of 15-52 cm. The month in which each individual hatched was back-calculated from the age data. A histogram of the frequency of hatching through the year is presented and shows peaks in May and October.
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  • 18
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    A numerical study of the water exchange through the Danish Straits (1996)
    Taylor & Francis
    In:  Tellus A: Dynamic meteorology and oceanography, 48 . pp. 324-341.
    Details
    Publication Date: 2019-01-21
    Description: The free surface version of the GFDL model is used to study inflow and outflow through the Danish Straits, which connect the Baltic with the North Sea. Three problems are addressed: (i) the piling up of inflowing water in the Arkona basin; (ii) the transport ratios between Belt and Sound; (iii) the dominance of hydraulic or geostrophic control. Model results show that a cyclonic eddy (dome) is formed by the inflowing saline water that prevents this water from passing rapidly into the Bornholm basin. This eddy is enforced with increasing inflow due to a sea level difference between Kattegat and western Baltic. If density gradients along the straits are weak and the flow is dominantly driven by sea level differences between Kattegat and Baltic, the well-known ratio of 70% : 30% for the transports through Belt and Sound are confirmed. Strong density gradients can change this ratio considerably, especially in the outflow case, when the light water of the Baltic flows against the heavier water of the Kattegat. Under variable wind conditions, no fixed ratio is found. The flow in the Straits is geostrophically controlled; however, the strong baroclinic density field does not allow us to derive the transport simply from sea level inclination.
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  • 19
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    Glacial and interglacial wind regimes over the eastern subtropical Atlantic and North-West Africa (1981)
    Nature Publishing Group
    In:  Nature, 293 (5829). pp. 193-196.
    Details
    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.
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  • 20
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    The age of the Drake Passage (1980)
    Taylor & Francis
    In:  Alcheringa: An Australasian Journal of Palaeontology, 4 (4). pp. 289-297.
    Details
    Publication Date: 2016-08-08
    Description: The distribution of benthic foraminifera in Miocene deposits of the continental margin of southeastern South America is compared with that in the Recent. The comparison indicates that Miocene zoogeographic boundaries were located in higher latitudes than at present, suggesting that the climate at that time was warmer than now. In the Pliocene, temperatures were lower than at present. This signifies that a considerable decrease in water temperature took place in the latest Miocene or at the Miocene/Pliocene boundary in the southwestern Atlantic. The main reason for this drop in temperature was the opening of the Drake Passage and the establishment of the Circumpolar Antarctic Current and a branch — the Malvin Current. The opening resulted from strong orogenic movements, in the latest Miocene, which created the main part of the Andes. Prior to the opening of the passage, the anticyclonic (counterclockwise) gyre of surface currents in the South Atlantic was much larger and warm Brazilian waters reached higher latitudes. The Austral Strait, connecting the Pacific and Atlantic Oceans, may have existed from the Cretaceous in the southern part of South America, but its location and character did not permit the establishment of the true Circumpolar Antarctic Current. The Austral Strait was closed simultaneously with the opening of the Drake Passage.
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  • 21
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    Flavodoxin as an in situ marker for iron stress in phytoplankton (1996)
    Nature Publishing Group
    In:  Nature, 382 . pp. 802-805.
    Details
    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.
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  • 22
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    Annual cycle of sedimentation in relation to plankton ecology in western Kiel Bight (1980)
    Taylor & Francis
    In:  Ophelia, Suppl. 1 . pp. 65-76.
    Details
    Publication Date: 2019-02-27
    Description: The annual cycle of sedimentation in Kiel Bight is described from data collected over 3 years with multisample sediment traps. Settling matter was collected from 2 depths (15 and 18 m) in a 20 m water column at 2-4 day intervals. The pattern of sedimentation was alike each year, although considerable differences in the quantity collected were present. Resuspended sediment and primary settling matter originating from the pelagic system (phytoplankton cells, detritus) were the main contributors to the particulate material collected by the traps. High sedimentation rates from November to March were due to resuspended sediment. The composition of this material differed from that of bulk surface sediment due to the selective effect of water movement during resuspension. Peaks in sedimentation of primary material were observed in spring and autumn when the pelagic food web is poorly developed. From May to August sedimentation rates were low although this is the period of high primary production with large standing stocks of plankton. Apparently, organic substance produced here is consumed within the pelagic food web, as herbivore and carnivore populations are well developed and turnover time of particles is short. Sedimentation rates of primary material are estimated to be in the range of 50-65 g C · m-2 · yr-', but in reality year to year differences are probably greater than indicated by this range.
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  • 23
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    Reproductive biology of the short-finned squid Illex coindetii (cephalopoda, ommastrephidae) of the Northeastern Atlantic (1996)
    Taylor & Francis
    In:  Sarsia, 81 . pp. 107-118.
    Details
    Publication Date: 2020-11-16
    Description: For the purpose of this study, 5 311 post recruit of Illex coindetii were collected from the fishery of the Galician shelf, with sizes ranging from 32 to 379 mm dorsal mantle length (ML). Samples were taken monthly from November, 1991 to October, 1992. Sexual maturation, spawning season and population structure of Illex coindetii were analyzed. The spawning season extended throughout the year reaching a peak in July-August, with size at first maturity in males, 128 mm ML and in females, 184 mm ML. Males mature at a smaller size and attain lower size (279 mm ML) than females (379 mm ML). The sex ratio of the whole population sampled was slightly biased towards males, nevertheless monthly variations observed and the ratio obtained (1.09 : 1) does not suggest that there is spatial segregation by sexes in the fishing ground. From the total sample, 185 males and 281 females, covering the whole range of ML's, were randolmy separated out to calculate maturation indices. A correlation between the subjective scales and the values of these indices was established in both sexes. The nidamental gland length proved to be a reliable parameter for distinguishing between stages of maturity in females. The fecundity of the species varied between 3 500 and 285 000 oocytes, (the most frequent range being from 30 000 and 200 000 oocystes) in the ovary and the oviducts. The principal axis in the oviduct contained 2 331 ± 912 eggs. The number of spermatophores in the spermatophoric sac varied between 81 and 1 555, and it was observed that the number and the length of the spermatophores tended to increase with size of the males. Illex coindetii may be considered as an intermittent spawner.
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  • 24
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    The first fossil cephalopod statoliths to be described from Europe (1980)
    Nature Publishing Group
    In:  Nature, 287 (5783). pp. 628-630.
    Details
    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.
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  • 25
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    Active marine predators: The sensory world of cephalopods (1996)
    Overseas Publishers Association | Taylor & Francis
    In:  Marine and Freshwater Behaviour and Physiology, 27 (2-3). pp. 59-75.
    Details
    Publication Date: 2021-07-20
    Description: Most cephalopods are voracious and very mobile predators with highly developed sense organs that rival the equivalent vertebrate sense organs in complexity. A brief description is given of cephalopod predation and the sense organs that are directly, or indirectly, involved: (i) the vertebrate‐like lens eyes with their complex extraocular eye muscle system; (ii) the epidermal head and arm lines which are analogous to the lateral lines of fishes and aquatic amphibians; (iii) the vestibular analogue statocysts with receptor systems for linear (gravity) and angular accelerations; (iv) the proprioceptive neck receptor organ which controls head‐to‐body positions; (v) the sucker and muscle mechanoreceptors; and (vi) the contact and distance chemoreceptors. In addition, the possibility of hearing is discussed.
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  • 26
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    Deep-breathing cephalopods? (1996)
    Nature Publishing Group
    In:  Nature, 384 (6608). p. 421.
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    Publication Date: 2021-08-20
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  • 27
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    Study Techniques (1996)
    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.
    Details
    Publication Date: 2020-09-11
    Type: Book chapter , NonPeerReviewed
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  • 28
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    Biotic relationships of Illex coindetii and Todaropsis eblanae (Cephalopoda, Ommastrphidae) in the Northeast Atlantic: Evidence from parasites (1996)
    Taylor & Francis
    In:  Sarsia, 81 . pp. 265-274.
    Details
    Publication Date: 2020-11-16
    Description: Parasites were collected from 1,200 short-finned squid (Illex coindetii, Todaropsis eblanae) caught as by-catch in a multispecies trawling fishery in the northwest Spanish Atlantic waters in 1992-1993. Parasites found included six species of helmiths, three tetraphyllidean cestodes (Phyllobothrium sp., Pelichnibothrium speciosum, Dinobothrium sp.), two trypanorhyllidean cestodes (Nybelinia yamagutii, Nybelinia lingualis), and one ascarioid nematode (Anisakis simplex B). Two of these parasites (Phyllobothrium sp., A. simplex B) which could be recognised as component species, were used in analyses of host-parasite relationships. Levels of infection varied significantly with host size or stage of maturation for both squid species. Regional variation in infection level seems attributable to geopgraphical variation in variability of prey, discreteness and movements of host populations and to size or age-related changes in the prey selection of their host. Parasite evidences suggest that both ommastrephid squids are sympatric species sharing similar econiches, and serve as diet for large top predators (selachians and marine mammals) of Northeast Atlantic. Parasites may also be useful as an indirect indicator of the migratory habits of the squid.
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  • 29
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    Sirius red-collagen interaction: A method for the measurement of collagen and bacterial collagenase activity (1980)
    Academic Press
    In:  Biochemistry International, 1 (5). pp. 455-462.
    Details
    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.
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  • 30
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    Effects of carbonate on cementation of marine soils (1996)
    Taylor & Francis
    In:  Marine Georesources & Geotechnology, 14 (1). pp. 37-45.
    Details
    Publication Date: 2018-10-23
    Description: This study shows that calcium carbonate plays an important role as a cementing agent of various marine sediments. The measured vane shear strength of marine soil samples is shown to vary with depth and is strongly correlated with the calcium carbonate content. The results show that an increase in calcium carbonate of 1% causes an increase in shear strength of about 10 kPa. Moreover, under accumulating self‐weight, consolidation is found to be enhanced by calcium carbonate. It was also found that both the cementation and condensation due to calcium carbonate are the major factors accounting for the strength development of marine sediments, beside consolidation. These effects are often greater than those due to grain size effects.
    Type: Article , PeerReviewed
    Format: text
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