Sökning: "SPEI"

Hittade 4 uppsatser innehållade ordet SPEI.

  1. 1. Spatio-temporal drought characteristics in the Limpopo basin from 1918 to 2018 - A case study based on analysis of the Standardized Precipitation Evaporation Index (SPEI)

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

    Författare :Sandra Domingos Sambo; [2021]
    Nyckelord :rdought; Standardized Precipitation Evapotranspiration Index; Limpopo River basin; Normalized difference vegetation index; Mann-Kendall Test; Correlation analysis; Earth and Environmental Sciences;

    Sammanfattning : The identification of the characteristics of drought are of great importance in water resources planning and management. This study explored the characteristics of drought at Limpopo River Basin (LRB) from 1918 to 2018. LÄS MER

  3. 2. Evaluating drought impacts on ecosystem water use efficiency of three different boreal forest sites

    Master-uppsats, SLU/Dept. of Forest Ecology and Management

    Författare :Tim Schacherl; [2021]
    Nyckelord :flux data; carbon uptake; water deficit; Sweden; drought resistance; nitrogen; Eddy covariance;

    Sammanfattning : European boreal forests are the biomes most affected by climate change. For example, extreme weather events such as droughts are expected to become more frequent and severe. Especially in the summer months, droughts can drastically impact the carbon and water exchanges of boreal forests. LÄS MER

  4. 3. Vegetation-climate interactions in California – an in-depth analysis on the influence of climatic events across different Californian biomes

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Felipe Fileni; [2021]
    Nyckelord :droughts; climate vegetation interactions; SPEI; NDVI; California;

    Sammanfattning : It is widely accepted that climate variability is a key driver of vegetation productivity. Yet, there are discrepancies on the ideal timescales of climatic events and vegetation response. The work herein attempts to clarify how those variables interact in the region of California. LÄS MER

  5. 4. Land Surface Phenology as an indicator of performance of conservation policies like Natura2000

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

    Författare :Gunjan Sharma; [2016]
    Nyckelord :MODIS NDVI; Natura2000; Land Surface Phenology LSP ; ecological indicators; TIMESAT; trend analysis; GEM; Earth and Environmental Sciences;

    Sammanfattning : Considering the growing pressure on various ecosystems all around the world, the development of ecological indicators for assessing the health and condition of the ecosystems has become an integral part of environmental management and policy making efforts. Such indicators do not only simplify the complex ecosystem processes but can also act as a measure of performance of a conservation policy. LÄS MER