Search for dissertations about: "Åke Sivertun"

Found 3 swedish dissertations containing the words Åke Sivertun.

  2. 1. Geographical Information Systems (GIS) as a tool for analysis and communications of multidimensional data

    Author : Åke Sivertun; Umeå universitet; []
    Keywords : SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Geographic Information Systems GIS ; Landscape Ecology; Artificial Drainage; Distributed Models; Environmental Change; Environmental Impact; Environmental Engineering; Landscape History; Drainage Technology; Historical Geography; Multidimensional and Multi-temporal Analysis; Hyperpixel; Colour Coding and Presentation of Multidimensional Data; Geografiska informationssystem;

    Abstract : An integrating approach, including knowledge about whole systems of processes, is essential in order to reach both development and environmental protection goals. In this thesis Geographical Information Systems (GIS) are suggested as a tool to realise such integrated models. READ MORE

  4. 2. Analytical tools and information-sharing methods supporting road safety organizations

    Author : Imad Abugessaisa; Erland Jungert; Kenneth Asp; Åke Sivertun; Josef Mikulik; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Visual data mining; STRADA; GLOBESAFE; Conceptual model; System thinking; Internet GIS; Computer science; Datavetenskap;

    Abstract : A prerequisite for improving road safety are reliable and consistent sources of information about traffic and accidents, which will help assess the prevailing situation and give a good indication of their severity. In many countries there is under-reporting of road accidents, deaths and injuries, no collection of data at all, or low quality of information. READ MORE

  5. 3. 3-D Nautical Charts and Safe Navigation

    Author : Thomas Porathe; Rune Pettersson; Åke Sivertun; Jan-Terje Bjørke; Mälardalens högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; 3-D nautical charts; Mental rotations; safety at sea; vehicle navigation; 3D-sjökort; mentala rotationer; sjösäkerhet; fordonsnavigering; Information technology; Informationsteknik; Innovation och design;

    Abstract : In spite of all electronic navigation devices on a modern ship bridge, navigators still lose their orientation. Reasons for this might be excessive cognitive workload caused by too many instruments to read and compile, navigation information that is displayed in a cognitively demanding way, short decision times due to high speed or fatigue due to minimum manning and long work hours. READ MORE