Sökning: "GPP"

Visar resultat 1 - 5 av 34 uppsatser innehållade ordet GPP.

  1. 1. Modelling gross primary production in semi-arid regions: effects on carbon uptake of intensive agriculture in southern Kenya

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

    Författare :Malin Ahlbäck; [2020]
    Nyckelord :Physical Geography; Ecosystem Analysis; GPP; Africa; Kenya; Land cover changes; Cropland; Remote sensing; Sentinel-2; Earth and Environmental Sciences;

    Sammanfattning : Background and aim: Gross primary production (GPP) is the largest global carbon (C) flux and an important component for counteracting anthropogenic CO2 emissions, understanding vegetation dynamics, and sustaining universal human standards. Africa plays a prominent role in the global C cycle, though our understanding of GPP dynamics is largely hampered by a paucity of ground-based observations. LÄS MER

  2. 2. Customized Processor Design for 5G Data Link Layer Processing

    Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

    Författare :Patric Wargéus; Lukas Forsberg; [2020]
    Nyckelord :Technology and Engineering;

    Sammanfattning : This thesis aims to explore the workflow related to designing an application specific instruction-set processor (ASIP). An ASIP is a processor similar to a hardware accelerator (HAC) in terms of performance and efficiency, but containing elements of general purpose processors (GPPs) when it comes to programmability and flexibility. LÄS MER

  3. 3. NDVI time series analysis for desert locust outbreak detection and quantification analysis of its impact on vegetation productivity of Sahel

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

    Författare :Evangelos Oikonomopoulos; [2020]
    Nyckelord :Physical Geography and Ecosystem Analysis; Primary Productivity; Desert Locust; NDVI; Time Series Analysis; Outbreak Detection; Food Security; Sahel; Insect Disturbances; GEM; Earth and Environmental Sciences;

    Sammanfattning : It has been shown that the semi-arid environment of the Sahelian belt plays an important role in the global carbon uptake as the fluctuation of its primary productivity can be determinant for the global carbon uptake. The insect Schistocerca gregaria commonly known as the desert locust is a disturbance factor that can affect the vegetation productivity for consecutive seasons. LÄS MER

  4. 4. A remote-sensing approach to studying drought resistance in Swedish old-growth and production forests

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

    Författare :Julika Wolf; [2020]
    Nyckelord :Physical Geography and Ecosystem Analysis; drought impacts; old-growth forests; forest management; remote sensing; Earth and Environmental Sciences;

    Sammanfattning : Boreal forest ecosystems are predicted to experience hotter and drier summers due to climate change, leading to more frequently reduced soil water availability and an increased risk of droughts, as was already the case in Northern Europe during the severe summer drought of 2018. Prolonged water stress in forest ecosystems can lead to impacts ranging from reduced photosynthesis to forest dieback. LÄS MER

  5. 5. Grön upphandling : En analys av hur gröna krav påverkar anbudspris och antalanbudsgivare vid offentlig upphandling av lokalvård

    Magister-uppsats, Umeå universitet/Nationalekonomi

    Författare :Anna Edlund; [2020]
    Nyckelord :;

    Sammanfattning : Grön offentlig upphandling (GPP) används som styrmedel för att myndigheter genom inköp ska kunna påverka marknader att bli mer miljövänliga. GPP innebär att den upphandlande myndigheten inför miljökrav i upphandlingen som leverantören måste uppfylla. LÄS MER