Sökning: "CH₄ flux"

Visar resultat 26 - 28 av 28 uppsatser innehållade orden CH₄ flux.

  1. 26. Test and application of a vegetation-based CO2 and CH4 flux estimate from three ombrogenic and topogenic peatlands in Southern Germany

    Master-uppsats, SLU/Dept. of Ecology

    Författare :Birgit Weber; [2010]
    Nyckelord :greenhouse gas; GEST; peatland;

    Sammanfattning : A stabilisation and restoration of peatlands is seen as a sustainable strategie for climate change mitigation. To find the most suitable target areas, greenhouse gas fluxes have to be quantified. A vegetation-based flux estimate is seen as cost-effective alternative to avoid time consuming and expensive flux measurements. LÄS MER

  3. 27. Snow cover dynamics and plant phenology documentation using digital camera images and their relation with CO2-fluxes at Stordalen mire, northern Sweden

    Magister-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Susanne Svensson; [2005]
    Nyckelord :naturgeografi; climatology; cartography; carbon flux; climate monitoring; physical geography; snowmelt; pedology; geomorphology; geomorfologi; marklära; kartografi; klimatologi; Earth and Environmental Sciences;

    Sammanfattning : This report investigates the utilization of digital camera images (DCIs), sensitive in the visible part of the spectrum, for documentation of seasonal and inter-annual variations in snow cover and plant phenology. The DCIs used were transformed to orthographic images (ortho-image) from ordinary oblique DCIs taken between January 2001 and December 2003 at a sub- arctic mire (Stordalen) in northern Sweden. LÄS MER

  4. 28. The dynamics of non-methane hydrocarbons and other trace gas fluxes at a subarctic mire in northern Sweden

    Magister-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Författare :Kristina Bäckstrand; [2004]
    Nyckelord :geomorfologi; naturgeografi; climatology; cartography; climate change; carbon cycle; physical geography; nodelling; pedology; geomorphology; marklära; kartografi; klimatologi; Earth and Environmental Sciences;

    Sammanfattning : In the context of climate change, it is important to understand how the terrestrial carbon cycle is interacting with the anthropogenic increase in atmospheric carbon dioxide (CO2) concentration. Boreal and subarctic regions in the northern hemisphere are great carbon pools, as well as they are subject to predicted warming. LÄS MER