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Beach-Profile Measurement, Theory and Analysis: Practical Guidance and Applied Case Studies (2000)

Cooper, N. J. ; Leggett, D. J. ; Lowe, J. P.

Oxford, UK : Blackwell Publishing Ltd

Water and environment journal 14 (2000), S. 0

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ISSN: 1747-6593

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Energy, Environment Protection, Nuclear Power Engineering

Notes: Whilst beach-profile surveying is a relatively long-established and widely utilised shoreline monitoring technique, a considerable gap exists between theoretical and practical requirements from, and uses of, beach-profile data. The paper bridges this gap by providing a summary of the key elements of beach-profile measurement, theory and analysis. The benefits of applying these elements to practical coastal management are given in three case studies. The first case study presents results from beach-profile analysis on a regional scale in East Anglia. The second case study applies both analytical and theoretical techniques to investigate erosional problems along a coastal bay in Jersey. The third case study assesses the performance of two major sand-replenishment schemes in Poole Bay (on the south coast of England) based upon beach-profile volumetric analyses. Most importantly, the paper demonstrates that beach-profile measurement, theory and analysis can provide information of practical use in coastal management.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1111/j.1747-6593.2000.tb00231.x

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Needle diameter in outpatient myelography: rates of adverse effects and current practice trends (2000)

Woodcock, R. J. ; Marx, W. F. ; Johnson, R. M. ; [et al.]

Springer

Neuroradiology 42 (2000), S. 371-374

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ISSN: 1432-1920

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Telephone calls were made to 1251 consecutive patients one day following outpatient myelography. Data were available on 518 patients punctured with 22-gauge (g) (large-diameter) and 465 with 25-g (small-diameter) spinal needles. We surveyed 48 academic and private practice groups regarding needle diameter use in myelography; data were obtained from 34 private practice and 14 academic radiology departments. Patients reported adverse effects including mild and severe headache, back pain and nausea. The percentage of total adverse effects was significantly greater in the 22-g than in the 25-g needle group. The percentage of patients with headache was higher in the 22-g than in the 25-g group, but this difference was not statistically significant. Only 19 % of private practice groups and 17 % of academic centers use 25-g needles; the remainder use 20-g or 22-g needles.