1,721,061 research outputs found
Bute Inlet 2018 Turbidity Current data
No full textADCP monitoring data of turbidity currents identified in Bute Inlet during 2018 originating from the Homathko Delta. Datasets include backscatter intensity, velocity magnitude, depth-averaged velocities and heights for for each of the identified turbidity currents at each mooring. Duration of each measurement and the height of each cell is available from Supplementary Material of the associated paper
Going Beyond Counting First Authors in Author Co-citation Analysis
Full text linkThe present study examines one of the fundamental aspects of author co-citation analysis (ACA) - the way co-citation
counts are defined. Co-citation counting provides the data on which all subsequent statistical analyses and mappings
are based, and we compare ACA results based on two different types of co-citation counting - the traditional type that
only counts the first one among a cited work's authors on the one hand and a non-traditional type that takes into
account the first 5 authors of a cited work on the other hand. Results indicate that the picture produced through this non-traditional author co-citation counting contains more coherent author groups and is therefore considerably clearer. However, this picture represents fewer specialties in the research field being studied than that produced through the traditional first-author co-citation counting when the same number of top-ranked authors is selected and analyzed. Reasons for these effects are discussed
Which earthquakes trigger damaging submarine mass movements: Insights from a global record of submarine cable breaks?
No full textSubmarine landslides, debris flows and turbidity currents are significant geohazards for seafloor infrastructure in many locations around the world. Their deposits potentially provide a valuable record of major earthquakes, which extends further back in time than most terrestrial earthquake records. It is therefore important to determine their frequency and triggering mechanisms, and what types of earthquake trigger submarine slides and flows in different settings. Submarine cable breaks provided the first evidence of submarine mass movements, as shown by the 1929 Grand Banks earthquake. Even now the global network of subsea telecommunication cables provides our only means to monitor flows globally. Here, we present the first global analysis of the occurrence of submarine mass movements caused by earthquakes using cable break data. Using a global database of subsea fibre-optic cable breaks we identify earthquakes that triggered (and did not trigger) submarine mass movements from 1989 to 2015. We note that cable breaks are not a perfect record of submarine mass movements, and may only record more powerful (>~ 2 m s− 1) flows. However, our results show, in contrast to previous assertions, that there is no specific earthquake magnitude that systematically trigger mass flows capable of breaking a cable. Some earthquakes with magnitudes > 7.0 Mw triggered cable breaking flows, but many > 7.0 Mw earthquakes have failed to break nearby cables. We also show that some very small (3.0–4.0) magnitude earthquakes are capable of triggering cable breaking flows. The susceptibility of slopes to fail as a consequence of large and small earthquakes is dependent on the average seismicity of the region and the volume of sediment supplied annually in addition to other preconditioning factors such as slope architecture and mechanical sediment properties
Variations on the Author
Full text link“Variations on the Author” discusses two of Eduardo Coutinho’s recent films (Um Dia na Vida, from 2010, and Últimas Conversas, posthumously released in 2015) and their contribution to the general question of documentary authorship. The director’s filmography is characterized by a consistent yet self-effacing form of authorial self-inscription: Coutinho often features as an interviewer that rather than express opinions propels discourses; an interviewer that is good at listening. This mode of self-inscription characterizes him as an author who is not expressive but who is nonetheless markedly present on the screen. In Um Dia na Vida, however, Coutinho is completely absent form the image, while Últimas Conversas, on the contrary, includes a confessional prologue that moves the director from the margins to the center of his films. This article examines the ways in which these works stand out in the filmography of a director who offers new insights into the notion of cinematic authorship
Appropriate Similarity Measures for Author Cocitation Analysis
Full text linkWe provide a number of new insights into the methodological discussion about author cocitation analysis. We first argue that the use of the Pearson correlation for measuring the similarity between authors’ cocitation profiles is not very satisfactory. We then discuss what kind of similarity measures may be used as an alternative to the Pearson correlation. We consider three similarity measures in particular. One is the well-known cosine. The other two similarity measures have not been used before in the bibliometric literature. Finally, we show by means of an example that our findings have a high practical relevance.information science;Pearson correlation;cosine;similarity measure;author cocitation analysis
Dispelling the Myths Behind First-author Citation Counts
Full text linkWe conducted a full-scale evaluative citation analysis study of scholars in the XML research field to explore just how different from each other author rankings resulting from different citation counting methods actually are, and to demonstrate the capability of emerging data and tools on the Web in supporting more realistic citation counting methods. Our results contest some common arguments for the continued
use of first-author citation counts in the evaluation of scholars, such as high correlations between author rankings by first-author citation counts and other citation
counting methods, and high costs of using more realistic citation counting methods that are not well-supported by the ISI databases. It is argued that increasingly available digital full text research papers make it possible for citation analysis studies to go beyond what the ISI databases have directly supported and to employ more
sophisticated methods
koamabayili/VECTRON-author-checklist: VECTRON author checklist
No full textWe have done our best to complete the author checklist relating to the use of animals in the hut study. Note that the objective for the hut study was to evaluate the IRS treatment applications for residual efficacy against Anopheles mosquitoes, including the local An. coluzzii mosquito population. Cows were only used to attract mosquitoes into the huts and no tests were carried out directly on the cows. The author checklist is intended for use with studies where experiments are carried out on animals, which is why we have had such difficulty in completing this for the hut study, as many of the questions do not relate to how the cows were used
(Table 1) Age determination from different sediment cores in Nazare Canyon, offshore Portugal
No full textCal BP ages from D15738 and D15739 (Masson et al., 2011) are median values, and not determined using maximum probability</span
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