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Showing items 1 through 9 of 15.
  1. Library Resource
    Legislation
    June, 1995
    Ukraine

    All water resources (water objects) on the territory of Ukraine are the national property of the people of the Ukraine, one of the natural bases of its economic development and social well-being. Water Code, together with organizational, legal, economic and educational order, favouring the formation of water and ecological law and order and ensuring environmental safety of the population of the Ukraine, as well as more efficient, scientifically substantiated water management and its protection against pollution, littering and exhaustion.

  2. Library Resource
    Reports & Research
    December, 1995
    Colombia, Central America, South America

    This project was set up to investigate the level of accuracy which can be expected for slope and altitude values derived from low-cost Digital Elevation Models (DEMs). Eight gridded DEMs were generated from digitized contour maps at a range of scales:1:10,000 1:25,000 1:100,000 1:200,000 - and using a range of contour intervals 25m, 50m and 100m. A Control DEM was then produced using large scale aerial photographs (1:28,000) which were registered for auto-extraction of z-values using Helava software and accuracy tested using 91 differentially measured GPS ground control points.

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