Sökning: "terrain analysis"

Visar resultat 1 - 5 av 54 avhandlingar innehållade orden terrain analysis.

  1. 1. Water quality modeling based on landscape analysis: importance of riparian hydrology

    Författare :Thomas Grabs; Jan Seibert; Kevin Bishop; Hjalmar Laudon; Brian McGlynn; Georgia Destouni; Irena Creed; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Water quality model; terrain analysis; geographical information system GIS; riparian zone; total organic carbon TOC; boreal catchments; Hydrology; Hydrologi; geografi med naturgeografisk inriktning; Physical Geography;

    Sammanfattning : Several studies in high-latitude catchments have demonstrated the importance of near-stream riparian zones as hydrogeochemical hotspots with a substantial influence on stream chemistry. An adequate representation of the spatial variability of riparian-zone processes and characteristics is the key for modeling spatio-temporal variations of stream-water quality. LÄS MER

  3. 2. A GIS-based landscape analysis of dissolved organic carbon in boreal headwater streams

    Författare :Jan-Olov Andersson; Lars Nyberg; Hjalmar Laudon; Karlstads universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; boreal forests; wetlands; vegetation types; headwater streams; catchment hydrology; streamwater chemistry; DOC; GIS; terrain analysis; DEM; slope; wetness index; TWI; Freshwater ecology; Limnisk ekologi; Biology; Biologi;

    Sammanfattning : In boreal catchments, stream water chemistry is influenced and controlled by several landscape factors. The influence of spatially distributed variables is in turn dependent on the hydrological scale. LÄS MER

  4. 3. Terrain Modelling with GIS for Tectonic Geomorphology : Numerical Methods and Applications

    Författare :Gyözö Jordan; Ulf Qvarfort; Tsehaie Woldai; Uppsala universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Environmental technology; digital elevation model; digital terrain modelling; GIS; morphometry; tectonic geomorphology; Miljöteknik; Environmental engineering; Miljöteknik;

    Sammanfattning : Analysis of digital elevation models (DEMs) by means of geomorphometry provides means of recognising fractures and characterising the morphotectonics of an area in a quantitative way. The objective of the thesis is to develop numerical methods and a consistent GIS methodology for tectonic geomorphology and apply it to test sites. LÄS MER

  5. 4. Bayesian Inference in Terrain Navigation

    Författare :Niclas Bergman; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Sammanfattning : Terrain navigation is a concept for autonomous aircraft navigation. If measurements of the terrain height over mean sea-level are collected along the aircraft flight path, an estimate of the aircraft position can be formed by matching these measurements with a digital reference terrain map. This matching is a recursive nonlinear estimation problem. LÄS MER

  7. 5. Across a Most Radical Terrain : Towards an Aesthetics of Dissention

    Författare :Ola Ståhl; UK University of Leeds; []
    Nyckelord :HUMANIORA; HUMANITIES; Ethico-Aesthetics; Contemporary Art; Artist Collectives; Collaboration; Micro-Politics; Deleuze and Guattari; Spinoza; Art science; Konstvetenskap;

    Sammanfattning : The 1990s saw a tendency within the field of contemporary artistic practice for outwards expansion: artistic projects increasingly got involved in wider social and political contexts; transversal and transdisciplinary links were established with other forms of practice; collaboration and participation became the explicit form and sometimes material of artistic practices; the group, collective or network was increasingly posed as an alternative to the individual artist in much the same way as the self-organized, artist-run space set itself up as an alternative to art institutions and galleries. Taking as its point of departure such notion of expansion within the field of artistic production, this thesis sets out to explore the aesthetics developed by these practices, and the link this aesthetics poses to ethical and political trajectories. LÄS MER