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  • 1
    ISSN: 1600-0668
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Architecture, Civil Engineering, Surveying , Medicine
    Notes: Abstract A multi-disciplinary approach was used to investigate the indoor environment of a modern museum building, and its suitability for the conservation of the collection therein. Climate, gaseous and particulate pollution and the concentrations of bacteria were measured in summer and winter campaigns. While the environment overall was found to be an acceptable one, a number of drawbacks were highlighted, the most serious of these being the large temperature and humidity fluctuations that occurred in the summer.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 18 (1980), S. 453-471 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The more severe pollution episodes at Venice, Italy, occur during winter, associated with light northwest winds in the presence of fog. A cold weather air-water interaction study was therefore performed. A description of two case studies, during January 1975 and October 1974, is given. Both vertical and horizontal time cross-sections of the wind field and of thermo-hygrometric properties of the air, measured with pilot balloons, radiosondes, Sodar, Lidar and standard instruments, are presented and discussed. The atmosphere over the Lagoon appears to be multi-layered. A mixed internal sublayer extends up to 150–200 m over Venice. This lifts the base of the inversion that tops the fog layer by about 100 m with reference to the mainland. This different distribution of stability over the mainland and the Lagoon is believed to be responsible for many pollution episodes at Venice. The depth of the mixed internal sublayer is compared to predictions by Van der Hoven as modified by Anfossi et al. The formula appears to give good results only if the wind shear is not too large.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 22 (1982), S. 233-240 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The dynamics of the nocturnal IBL over a small hilly island on the Mediterranean Sea are discussed, particularly for clear nights characterized by light wind, when typically a nocturnal inversion may grow. Among different cases, two typical situations are observed, depending on the steadiness of the wind. In the first case the inversion alternatively grows and is eroded from aloft until it is destroyed; in the second, it grows with half the speed usual at inland sites and its height is bounded by the top of the hill. The Stüve diagrams show that the warm sea surface can supply the energy required to lift airborne pollutants over the CCL.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 22 (1982), S. 273-282 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The diurnal cycle of the mixing ratio MR is discussed for Padova, sited about 30 km from the sea. In the morning a noticeable increase of the MR can be noted until the nocturnal inversion is completely eroded; afterwards convective activity mixes the humid sublayer with dry air aloft, so that an abrupt drop in MR follows the break-up of the inversion; the minimum is generally reached after noon. The minimum is primarily due to the enhanced activity of the thermals at mid day. During the day, increases in wind speed are generally accompanied by the arrival of new air masses, so that no general statements about the MR can be made without knowledge of the local dynamic climatology. Clouds cause an increase in MR, due to the out-of-phase relation between the dampings of the turbulent diffusion coefficient for water vapour and of the evaporation rate of the soil. In the afternoon the MR increases again until after sunset, when the sea breeze (final phase) transports humid marine air inland practically unaltered.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 16 (1979), S. 83-92 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The local sea-breeze circulation in Venice is found to have typical characteristics but the nocturnal flow is found to be quite complex. This latter result is due to unequal cooling of the Alps and adjacent low-lying regions. The horizontal and vertical structure of the flow has been investigated using data obtained from surface anemometers and pilot balloon observations. Results show that the circulation is about 500 m in depth and achieves a maximum speed of 6 m s−1
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Boundary layer meteorology 28 (1984), S. 199-205 
    ISSN: 1573-1472
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Water, air & soil pollution 19 (1983), S. 351-359 
    ISSN: 1573-2932
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Building stone surfaces exposed to the urban environment are subjected to rapid and differentiated deterioration, due to various chemical and physical attacks. Apart from a chemical deterioration below the sufated crusts, which mainly grow outwards at the unaltered gypsum/carbonatic rock interface, another physical deterioration was observed. The latter is, at times, even more important than the rapid chemical attack typical of the zones which are subjected to heavy washing by rainwater. The formation and growth of three different kinds of deterioration layers are discussed with reference to the main kinds of deterioration characterized by white, grey and black external appearance. Analyses of airborne particulate matter and of deterioration layers of urban monuments led to the conclusion that not all the gypsum of crusts which can be observed on marble monuments is derived from the transformation of the underlying rock, but it is also partially transported by aerosols.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied climatology 50 (1994), S. 31-33 
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary A chronology and some comments about the occurrence of ‘dry fogs’ i.e. clouds of volcanic aerosols trapped in the planetary boundary layer (PBL) are reported. The dry fogs have severely affected the biosphere, and they also had local climatic effects affecting the terrestrial albedo. In the most severe cases the fog persisted for months and obscured the sun, in the lesser ones a mist persisted for a few days and the sun was seen as ‘weak’ and the moon with a red halo. The volcanic aerosols were trapped in the PBL in the warm season, when the atmosphere is particularly stable over the relatively cold Mediterranean waters and the Azores Anticyclone causes the absence of winds.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied climatology 41 (1990), S. 81-85 
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Summary The meteorological conditions pertaining to the famous biblical episode during which Joshua stopped the sun when the Hebrew pursued the Amorites (Joshua 10, 10–13) are analyzed. The story, which cannot be interpreted as an anomaly in the astronomic motions, could be interpreted from the point of view of atmospheric optics. The event occurred at sundown, after an exceptional hailstorm, which left the ground of the valley where the Amorites stayed covered with ice. This resulted in a big drop in the air temperature, forming the conditions for a “superior mirage”. The Hebrew were in another nearby place, untouched by hail, on hot soil, in the usual daytime conditions of “inferior mirage”. When they reached the place of the Amorites, their optical path inverted curvature, displacing upwards the sun which was setting. Hail in Palestine is a quite rare meteorological event and the superior mirage would seem decidedly rare in the subtropical climate. Given that the event has been described in detail it could not have been invented, as the superior mirage was then unknown, in particular its connection with hailstorms. This would thus lead to the conclusion that the miracle described should be interpreted as a meteorological event which actually did happen.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical and applied climatology 26 (1978), S. 45-50 
    ISSN: 1434-4483
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Description / Table of Contents: Zusammenfassung Auf Grund von sechsjährigen Beobachtungswerten wird die allgemeine Form der kumulativen Häufigkeitsverteilung der in Venedig auf eine horizontale Ebene einfallenden täglichen Globalstrahlung besprochen. Das Häufigkeitsdiagramm wird auf arithmetischen und logarithmischen Wahrscheinlichkeitspapieren dargestellt. In der ersteren Darstellung wird eine S-förmige Form erhalten. Die drei Teile, in die diese Kurve unterteilt werden kann, sind individuell durch jahreszeitliche klimatologische und astronomische Faktoren charakterisiert. In der zweiten Darstellung kann die Verteilungsfunktion der Intensitäten bis zu 400 cal cm−2Tag−1 durch eine logarithmische Normalverteilung approximiert werden. Zufolge des kleinen Streuungswertes können die höchsten Intensitäten sowohl durch eine gewöhnliche wie auch durch eine logarithmische Normalverteilung berechnet werden.
    Notes: Summary The general trend of cumulated frequency distribution of daily global radiation falling on an horizontal plane at Venice, Italy, has been discussed on the basis of routinely collected data over a six year period. The fractile diagram is plotted both in arithmetic and in logarithmic probability paper. In the first representation a sigmoid is obtained. The three parts in which the sigmoid can be subdivided are individually characterized by seasonal climatological and astronomical factors. In the second representation, the distribution of intensities up to 400 cal cm−2 day−1 appear to be approximated by a lognormal equation. Due to the small value of the standard deviation, the highest intensities seem to be evaluated with both a normal and a lognormal distribution.
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