soil refining

This paper compares the paradigms of LiDAR and aerophotogrammetry in the context of building extraction and briefly discusses a photogrammetric strategy for refining building roof polyhedrons previously extracted from LiDAR data. In general, empirical and theoretical studies have confirmed that LiDAR methodologies are more suitable in extracting planar roof faces and ridges of the roof, whereas...

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Effects of Elemental Sulfur on Soil pH and Growth of Saskatoon Berry (Amelanchier alnifolia) and Beaked Hazelnut (Corylus cornuta) Seedlings

Journal: :Soil systems 2022

The land disturbed by open-pit oil sands mining must be restored to support the survival and growth of native boreal plants. Because tailings sand sodic shale overburden are commonly used as an underlying parent substrate that is capped forest cover soils, soil pH in reclamation sites often higher compared with undisturbed soil. Sulfur a major byproduct refining could potentially amendment lowe...

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Residential Mercury Contamination in Adobe Brick Homes in Huancavelica, Peru

2013

Nicole Hagan Nicholas Robins Heileen Hsu-Kim Susan Halabi Ruben Dario Espinoza Gonzales Daniel deB. Richter John Vandenberg

This is the first study of adobe brick contamination anywhere in the world. Huancavelica, Peru is the site of historic cinnabar refining and one of the most mercury (Hg) contaminated urban areas in the world. Over 80% of homes in Huancavelica are constructed with adobe bricks made from Hg contaminated soil. In this study we measured total Hg concentrations in adobe brick, dirt floor, surface du...

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