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Land-Parcel Land-Use History as a Key to Site Selection for Documenting Soil Contamination Risk:a Case Study from Australian Suburbia

作者：YU Jie, Ursula Pietrzak ,Jim Peterson   出版商：Geo-spatial information Science(Quarterly)   出版日期：1990 年 1 月
Abstract:In that orcharding in early-to-mid twentieth century southeastern Australia involved use of certain heavy metal and As compounds in regular pest-control spray procedures, some interest attaches to the possibility that these landparcels are underlain by soils with above-background Cu, Pb and As levels. Interpretation of Land-cover changes allowed land parcels previously occupied by orchards to be identified in the 1950s through time-series air-photos. A comparison of soil analysis results referring to soil samples from control sites, and from land parcels formerly occupied by orchardists, shows that contamination (above-background) levels of cations in the pesticides can be found in the top 6 cm of former orchard soils. It is clear that digital spatial data handling and culturally-informed air photo interpretation has a place in soil contamination studies,land-use planning (with particular reference to redevelopment) and in administration of public health.
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