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  • 1
    Electronic Resource
    Electronic Resource
    Diffuse idiopathic skeletal hyperostosis (DISH): a retrospective analysis (1996)
    Springer
    Clinical rheumatology 15 (1996), S. 121-124 
    Details
    ISSN: 1434-9949
    Keywords: DISH ; Spine ; Epidemiology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Diffuse idiopathic skeletal hyperostosis (DISH) is a skeletal disease characterized by ligamentous ossification of the anterolateral side of the spine. The radiographs of the spine of 69 patients (22 males, 47 females, mean age 64.97±8.83 years) affected by DISH according to Resnick's criteria were selected. A lower rate of lumbar spine involvement (71%) and a different distribution between sexes were demonstrated, as compared to the data from the literature. Data on relationships among extent of hyperostosis, occupation and metabolic disorders suggest that an important role might be played by the exposure to microtrauma, while, in subjects affected by a metabolic disorder, this condition would represent a prevalent pathogenetic factor. These data underline some peculiarities in the clinical picture of DISH in the population from Campania, that could depend on genetic factors.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02230327
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    Paper (German National Licenses)
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  • 2
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    Offshore deep convection initiation and maintenance during I0P16a Offshore deep convection initiation and maintenance during HyMeX IOP 16a heavy precipitation event (2015)
    Wiley-Blackwell
    Details
    Publication Date: 2015-12-19
    Description: During the first special observation period of the HyMeX program dedicated to heavy precipitation over the western Mediterranean, several Mesoscale Convective Systems (MCSs) formed over the sea and produced heavy precipitation over the coastal regions, as for example during IOP (Intensive Operation Period) 16a. On 26 October 2012, back-building MCSs formed and renewed over the northwestern Mediterranean Sea while producing heavy rain over the French coastal urbanized regions. This paper analyses the storm evolution along with the ambient flow and the initiation and maintenance mechanisms of the offshore deep convection observed during IOP16a. The suites of water vapour lidars, wind profilers, radiosoundings and boundary layer drifting balloons over and along the coast of the northwestern Mediterranean offer a unique framework for validating the convective processes over the sea investigated using kilometric-scale analyses and simulation. The high-resolution simulation shows clearly that the convective system is fed during its evolution over the sea by moist and conditionally unstable air carried by a southwesterly to southeasterly low-level jet. The low-level wind convergence in this southeasterly to southwesterly flow over the sea is the main triggering mechanism acting to continually initiate and maintain the renewal of training convective cells contributing to the back-building system. The convergence line appears when a secondary pressure low forms in the lee of the Iberian mountains. A sensitivity test turning off the evaporative cooling within the microphysical parametrisation shows that the exact location of the main convergence area focusing the heaviest precipitation is determined by small-scale feedback mechanisms of the convection to the environment.
    Print ISSN: 0035-9009
    Electronic ISSN: 1477-870X
    Topics: Geography , Physics
    Published by Wiley-Blackwell
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  • 3
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    Observation of low-level wind reversals in the Gulf of Lion area and their impact on the water vapour variability (2016)
    Wiley-Blackwell
    Details
    Publication Date: 2016-02-16
    Description: Water vapour measurements from a ground-based Raman lidar and an airborne differential absorption lidar, complemented by high resolution numerical simulations from two mesoscale models (AROME-WMED and Meso-NH), are considered to investigate three transition events from Mistral/Tramontane to southerly marine flow taking place in the Montpellier region (Southern France) in the time frame September-October 2012, during the Hydrological Cycle in the Mediterranean Experiment Special Observation Period 1. Low-level wind reversals associated with these transitions are found to have a strong impact on water vapour transport, leading to a large variability of the water vapour vertical and horizontal distributions. Water vapour mixing ratio within the boundary layer is found to vary from typical values in the range 4–8 g kg −1 during the northerly Mistral/Tramontane flows to values in the range 8–15 g kg −1 during the southerly marine flows. The increase/decrease in water vapour mixing ratio within the boundary layer may be abrupt and marked during these transition periods, with values increasing-decreasing by a factor of 2 to 4 within 1 hour. The high spatial and temporal resolutions of the lidar data allow monitoring the time evolution of the water vapour field during these transitions from predominantly northerly Mistral/Tramontane flow to a predominantly southerly flow, permitting to identify the quite sharp separation between these flows, which is also satisfactorily well captured by the mesoscale models. Water vapour measurements from the ground-based lidar are complemented by particle backscatter measurements from the same system, which allow also revealing the significant variability in the aerosol and cloud fields associated with these transition events.
    Print ISSN: 0035-9009
    Electronic ISSN: 1477-870X
    Topics: Geography , Physics
    Published by Wiley-Blackwell
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    PAPER CURRENT
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