Essays about: "digitala flygbilder"

Found 5 essays containing the words digitala flygbilder.

  1. 1. Ajuourhållning av ungskogsdata med hjälp av digitala flygbilder

    University essay from SLU/Dept. of Forest Resource Management

    Author : Henrik Johansson; [2008]
    Keywords : tolkning i digitala flygbilder; ajourhållning; bedömning av skogliga variabler i digitala flygbilder;

    Abstract : The purpose of this study is to investigate whether it is possible for SCA to update their stand register with use of digital aerial photos photographed with a Zeiss/Intergraph DMC. "Updating" in this study implies the delineation of stands and estimating stand variables such as average stand height, volume density, stand volume, and tree species composition in order to identify stands which can be of current interest for thinning. READ MORE

  3. 2. Digitala fotogrammetriska arbetsstationer för skoglig flygbildstolkning

    University essay from SLU/Dept. of Forest Resource Management

    Author : Kristoffer Önneholm; [2008]
    Keywords : fotogrammetriska arbetsstationer; digitala flygbilder; flygbildstolkning av gallringsbehov;

    Abstract : SCA Skog has taken the initiative to this Master's thesis. Today SCA Skog has a great need to update their informtion on young forest stands across large areas. Traditional field inventory methods for updating stand databases are expensive and time consuming. READ MORE

  4. 3. Tillämpning av olika fjärranalysmetoder för urvalsförfarandet av ungskogsbestånd inom den enkla älgbetesinventeringen (ÄBIN)

    University essay from SLU/Dept. of Forest Resource Management

    Author : Jonas Bodenhem; [2002]
    Keywords : Fjärranalys; Ungskog; Älgbete; Inventering;

    Abstract : Den enkla älgbetesinventeringen (ÄBIN) är en metod att skatta vinterstammens påverkan på ungskogarna. Tillsammans med modellberäkningar av fodertillgångens utveckling bör denna information utgöra ett gott underlag för beslut om en för flera parter acceptabel populationsnivå, vilket kan ligga till grund för lämplig avskjutning några år framåt. READ MORE

  5. 4. Nitrogen leakage from different land use types : a comparison between the watersheds of Graisupis and Vardas, Lithuania

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Claes Andersson; Malin Lagerström; [2000]
    Keywords : geomorphology; physical geography; mapping; pollution; land use; Baltic Sea; eutrophication; klimatologi; geomorfologi; cartography; kartografi; marklära; climatology; naturgeografi; pedology; Earth and Environmental Sciences;

    Abstract : Eutrophication problems in the Baltic Sea have drawn attention to the contribution of nutrients from surrounding countries. The problems have attracted considerable attention to non-point source nitrogen pollution of rivers and lakes. READ MORE

  6. 5. A vegetation map and a digital elevation model over the Kapp Linné area, Svalbard : with analyses of the vertical and horizontal distribution of the vegetation

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Terése Josefsson; Ingrid Mårtensson; [1995]
    Keywords : geography; physical geography; vegetation map; digital elevation model; Kapp Linné; Svalbard; Earth and Environmental Sciences;

    Abstract : A vegetation map and a Digital Elevation Model has been generated over a 54 km2 area situated at the western coast of Svalbard, at the Isfjorden fiord. The map is based on aerial photographs and a field survey made during the summer of 1994. READ MORE