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  • 1
    Electronic Resource
    Electronic Resource
    Heavy metals in Jamaican surface soils (1996)
    Springer
    Environmental geochemistry and health 18 (1996), S. 113-121 
    Details
    ISSN: 1573-2983
    Keywords: Heavy metals ; arsenic ; cadmium ; copper ; lead ; soils ; neutron activation analysis ; X-ray fluorescence atomic absorption spectrophotometry ; bauxite
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Medicine
    Notes: Abstract A regional survey of Jamaican surface soils has been conducted in which more than 200 samples were collected at a sample density of 1 per 64 km2 across the island and analysed for total concentrations of 31 elements by instrumental neutron activation analysis (INAA), energy dispersive X-ray fluorescence (EDXRF) analysis and atomic absorption spectrophotometry (AAS). The aim of the survey was to begin the construction of a high-precision geochemical database to provide information on elemental levels in soils for application to environmental studies, agriculture, and human and animal health. Results on the regional scale are presented for As, Cd, Cu, Hg and Pb. Although Jamaican surface soils are enriched in several heavy metals compared with world soil means and crustal abundances, lead is of particular importance at this stage because of its occurrence in residential areas. Except for Cu, the distribution maps of these elements are highly correlated with bauxite which in Jamaica is associated with white limestone geology and residualterra rossa soils.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01771287
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Suspended particulates in the Jamaican atmosphere (1997)
    Springer
    Environmental geochemistry and health 19 (1997), S. 0-0 
    Details
    ISSN: 1573-2983
    Keywords: Atmospheric particulates ; bromine ; Jamaica ; lead
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Medicine
    Notes: Abstract The results of a survey of air particulates at 23 sites across Jamaica for total suspended particulates (TSP), Al, Br, Cl, Na, Pb, and V, by instrumental neutron activation analysis (INAA) and X-ray fluorescence analysis (XRF) are reported. The geometric mean of TSP values, 35 g m-3, is well within the World Health Organisation's standard of 60 g m-3 for TSP, but in areas of high vehicular traffic density the TSP values exceeded this limit. The correlation coefficient between Br and Pb concentrations in the particulates was 0.92 and the Br/Pb ratio of 0.38 compares well with a ratio of 0.39 found in commercial petrol indicating that the exhaust from vehicular traffic is the major source of Pb in atmospheric particulate matter in Jamaica.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018481901288
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Spatial pattern of arsenic and lead distributions in Jamaican soils (1996)
    Springer
    Environmental geochemistry and health 18 (1996), S. 105-111 
    Details
    ISSN: 1573-2983
    Keywords: Arsenic ; lead ; soil ; GRASS GIS ; Jamaica
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Medicine
    Notes: Abstract The spatial patterns of arsenic and lead distribution in Jamaican soils were studied using the Geographical Resources Analysis Support System (GRASS) and data from an island wide soil survey. Arsenic and lead were analysed by instrumental neutron activation analysis (INAA) and energy-dispersive X-ray fluorescence (EDXRF) techniques. The frequency distribution of each element is discussed in relation to major lithological groups. The As-Pb background levels for different areas in Jamaica were estimated.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01771286
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    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    The application of geographic information systems to geochemical studies in Jamaica (1996)
    Springer
    Environmental geochemistry and health 18 (1996), S. 99-104 
    Details
    ISSN: 1573-2983
    Keywords: Geographic information systems ; lead ; bromine ; GRASS
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Medicine
    Notes: Abstract The Centre for Nuclear Sciences (CNS) uses a raster based geographic information system (GIS), integrated with a relational database to store information on point sampled data, including concentrations of over 50 elements and/or ions in a variety of sample materials. These data are filtered in the GIS to create surface layers and are assigned colours according to percentile ranges allowing visual inspection to be used to identify significant features and trends. The database currently contains raster map layers for soils and geologic features, point site data for water and air, and vector data for roads, rivers and streams. While data are still being added to the database interesting results are already being obtained and a few instances where the GIS was used to assist in the data interpretation are reported.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01771285
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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