15,301 research outputs found

    RRS Discovery Cruise 381, 28 Aug - 03 Oct 2012. Ocean Surface Mixing, Ocean Submesoscale Interaction Study (OSMOSIS)

    Get PDF
    Cruise D381 was made in support of NERC's Ocean Surface Boundary Layer theme action programme, OSMOSIS (Ocean Surface Mixing, Ocean Sub-mesoscale Interaction Study). The ocean surface boundary layer (OSBL) deepens in response to convective, wind and surface wave forcing, which produce three-dimensional turbulence that entrains denser water, deepening the layer. The OSBL shoals in response to solar heating and to mesoscale and sub-mesoscale motions that adjust lateral buoyancy gradients into vertical stratification. Recent and ongoing work is revolutionising our view of both the deepening and shoaling processes: new processes are coming into focus that are not currently recognised in model parameterisation schemes. In OSMOSIS we have a project which integrates observations, modelling studies and parameterisation development to deliver a step change in modelling of the OSBL. The OSMOSIS overall aim is to develop new, physically based and observationally supported, parameterisations of processes that deepen and shoal the OSBL, and to implement and evaluate these parameterisations in a state-of-the-art global coupled climate model, facilitating improved weather and climate predictions. Cruise D381 was split into two legs D381A and a process study cruise D381B. D381A partly deployed the OSMOSIS mooring array and two gliders for long term observations near the Porcupine Abyssal Plain Observatory. D381B firstly completed mooring and glider deployment work begun during the preceding D381A cruise. D381B then carried out several days of targetted turbulence profiling looking at changes in turbulent energy dissipation resulting from the interation of upper ocean fluid structures such as eddies, sub-mesoscale filaments and Langmuir cells with surface wind and current shear. Finally D381B conducted two spatial surveys with the towed SeaSoar vehicle to map and diagnose the mesoscale and sub-mesoscale flows, which, unusually, are the `large scale' background in which this study sits

    RRS Discovery Cruise 381, 28 Aug - 03 Oct 2012. Ocean Surface Mixing, Ocean Submesoscale Interaction Study (OSMOSIS)

    No full text
    Cruise D381 was made in support of NERC's Ocean Surface Boundary Layer theme action programme, OSMOSIS (Ocean Surface Mixing, Ocean Sub-mesoscale Interaction Study). The ocean surface boundary layer (OSBL) deepens in response to convective, wind and surface wave forcing, which produce three-dimensional turbulence that entrains denser water, deepening the layer. The OSBL shoals in response to solar heating and to mesoscale and sub-mesoscale motions that adjust lateral buoyancy gradients into vertical stratification. Recent and ongoing work is revolutionising our view of both the deepening and shoaling processes: new processes are coming into focus that are not currently recognised in model parameterisation schemes. In OSMOSIS we have a project which integrates observations, modelling studies and parameterisation development to deliver a step change in modelling of the OSBL. The OSMOSIS overall aim is to develop new, physically based and observationally supported, parameterisations of processes that deepen and shoal the OSBL, and to implement and evaluate these parameterisations in a state-of-the-art global coupled climate model, facilitating improved weather and climate predictions. Cruise D381 was split into two legs D381A and a process study cruise D381B. D381A partly deployed the OSMOSIS mooring array and two gliders for long term observations near the Porcupine Abyssal Plain Observatory. D381B firstly completed mooring and glider deployment work begun during the preceding D381A cruise. D381B then carried out several days of targetted turbulence profiling looking at changes in turbulent energy dissipation resulting from the interation of upper ocean fluid structures such as eddies, sub-mesoscale filaments and Langmuir cells with surface wind and current shear. Finally D381B conducted two spatial surveys with the towed SeaSoar vehicle to map and diagnose the mesoscale and sub-mesoscale flows, which, unusually, are the `large scale' background in which this study sits

    Which Statute Will Trump: The Validity of Class-Action Waivers in Employment Arbitration Agreements

    Get PDF
    A law can often be a double-edged sword—its mandate or protection of one right will sometimes come at the cost of another. Compounding this problem of unintended consequences is that laws do not operate in a vacuum. Instead, laws interact with other laws, and if they conflict, courts must determine which will prevail. Determining the validity of class-action waivers in employment arbitration agreements will require reconciling the Federal Arbitration Act’s mandate that arbitration agreements be enforced according to their terms against the National Labor Relations Act’s protection of employees’ right to engage in concerted activities for the purpose of mutual aid and protection. The dispute over the validity of these agreements requires courts to determine which law and congressional policy should prevail. The National Labor Relations Board and circuit courts throughout the country have been unable to reach a uniform decision, which has prompted the United States Supreme Court to grant certiorari on a triad of cases concerning this issue. With a decision from the nation’s highest Court expected during the 2017–18 term, this Comment analyzes the background and legal arguments behind these competing statutes to determine how the Court is likely to rule. This Comment concludes that, given the Court’s previous rulings in arbitration and class-action cases and the recent Supreme Court confirmation of Justice Neil Gorsuch, the Court is likely to rule in favor of validating class-action waivers in employment arbitration agreements

    The Relationship Between Neurotic Leadership Styles, Transformational Leadership, Emotional Intelligence, and Worker Attitudes

    Get PDF
    This study explored the relationships between neurotic leadership styles, transformational leadership, the emotional intelligence of supervisors, employee job satisfaction, and employee perceptions of leadership effectiveness. The primary objective of this exploratory investigation consisted of determining the extent to which scales measuring neurotic leadership are correlated with extant organizational processes such as leadership and job satisfaction. The study, utilizing a survey was conducted in five law enforcement agencies located in Southeast Michigan. The sample size is 143 police officers. Results of the study reveal significant correlations between the neurotic leadership scales and the other primary factors within the study. It further revealed that the type and strength of the relationships varied across the law enforcement agencies. This latter finding provides strong support for the need to develop empirical studies that integrate psychodynamic and organizational levels analyses

    National characteristics and variation in Arabic handwriting

    Get PDF
    From each of four Arabic countries; Morocco, Tunisia, Jordan and Oman, 150 participants produced handwriting samples which were examined to assess whether national characteristics were discernible. Ten characters, which have different configurations depending upon their position in the word, along with one short word, were classified into distinguishable forms, and these forms recorded for each handwriting sample. Tests of independence showed that character forms used were not independent of country (p < 0.001) for all but one character-position (this was dropped from subsequent analyses). A correspondence analysis ordination plot and analysis of similarity (R = 0.326, p = 0.0002) showed that whole samples were discernibly grouped by country, and a tree analysis produced a classification which was 71% accurate for the original data and 83% accurate for 80 new handwriting samples that underwent ‘blind’ classification. When the countries were combined into two regions, North Africa and Middle East, the grouping was more marked. Thus, there appears to be some scope for narrowing down the nationality, and particularly the wider geographical region of an author based upon the character forms they use in Arabic handwriting

    Facilitation of student-staff partnership in development of digital learning tools through a special study module

    Get PDF
    A student-staff partnership was formed as part of a final year special study module to provide dental students the opportunity to work closely with faculty to produce high-quality e-learning resources in areas of the curriculum identified by the students as particularly difficult. The student-staff team identified the following themes as major influences on the success of the project: student-staff interaction, ownership, managing expectations, time pressures, and co-creation partnership benefits. This partnership resulted in a valuable learning experience for both the students and staff involved. The resource developed was evaluated by junior dental students in second and third year of the five year Bachelor of Dental Surgery (BDS) degree programme at Glasgow Dental School and showed a high degree of acceptability by those in both groups. The quality assurance built into the process has resulted in an e-learning resource that has been incorporated directly into our flipped classroom model for pre-clinical skills teaching

    Bis(2,6-dimethyl­pyridinium) tetra­bromido­zincate(II)

    Get PDF
    In the crystal structure of the title compound, (C7H10N)2[ZnBr4], the coordination geometry of the anion is approximately tetra­hedral and a twofold rotation axis passes through the Zn atom. The Zn—Br bond lengths range from 2.400 (2) to 2.408 (3) Å and the Br—Zn—Br angles range from 108.14 (6) to 115.15 (15)°. In the crystal structure, the [ZnBr4]2− anion is connected to two cations through N—H⋯Br and H2C—H⋯Br hydrogen bonds, forming two-dimensional cation–anion–cation layers normal to the b axis. No significant Br⋯Br inter­actions [the shortest being 4.423 (4) Å] are observed in the structure

    Bis(2,6-dimethyl­pyridinium) tetra­bromido­cobaltate(II)

    Get PDF
    In the crystal structure of the title compound, (C7H10N)2[CoBr4], the [CoBr4]2− anion is connected to two cations through N—H⋯Br and H2C—H⋯Br hydrogen bonds to form two-dimensional cation–anion–cation layers normal to the crystallographic b axis. Inter­actions of the π–π type are absent between cations in the stacks [centroid–centroid separation = 5.01 (5) Å]. Significant inter­molecular Br–aryl inter­actions are present in the structure, especially an unusually short Br–ring centroid inter­action of 3.78 (1) Å. The coordination geometry of the anion is approximately tetrahedral and a twofold rotation axis passes through the Co atom

    The Taxonomy of Goal-oriented Actions in Virtual Training Environments

    Get PDF
    With the shift of training scenarios to virtual worlds and assessment being an inevitable part of any teaching and learning process, we require sophisticated assessment methods to analyze action-sequences of learners according to reference solutions defined by experts and provide automated formative feedback. We propose the ‘Action-based Learning Assessment Method’ (ALAM) using an action taxonomy to classify recognized actions performed by the user in the virtual world. Most of these taxonomies were developed to model the behavior and performance of users. Yet, current taxonomies of human actions were developed based on need in specific research, still lacking a general taxonomy. The taxonomy of goal-oriented actions in virtual training environments was developed to overcome this problem and will be discussed in this paper

    Cross-language information seeking behaviour English Vs Arabic

    Get PDF
    Purpose – The purpose of this paper is to report the results and the methods of a study which applied grounded theory to the information-seeking behaviour of social scientists when searching Arabic and English academic databases using both languages. Design/methodology/approach – The research applied the grounded theory approach using search experiments and semi-structured interviews. Think-aloud protocol during the experiment was used to capture the data from the subjects to allow a detailed analysis for the experiment. The semi-structured interviews followed each experiment and were analysed using the Strauss and Corbin (1990) version of the grounded theory, as were the think-aloud protocols. Findings – The results of the think-aloud protocols and the semi-structured interviews suggest that the information needs of the subjects varied depending on the language used. In addition, it was discovered that social scientists followed more tactics in searching the Arabic database for the same tasks searched in English during the experiment. This allowed more search strategies and search tactics to appear in seeking information in Arabic language. The study also proposed a model to account for the cross-language information-seeking behaviour. Research limitations/implications – This study identifies and compares the information-seeking behaviour of the social scientists in Jordanian universities in searching both Arabic and English academic databases. Therefore, the findings of this study cannot be generalized to other Arab countries, unless there was similar context. Originality/value – Few studies have investigated information-seeking behaviour using academic Arabic databases and proposed information-seeking behaviour models. No studies have compared information-seeking behaviour when using Arabic and English academic databases. The value of the current study arises by being the first study to identify and compare the information-seeking behaviour of social scientists by using grounded theory and proposing a cross-language information-seeking behaviour model. </jats:sec
    corecore