Sökning: "drought index"
Visar resultat 1 - 5 av 45 uppsatser innehållade orden drought index.
1. Torkstress hos urbana träd i Göteborg: Effekter av låg vattentillgång under torkan 2018
Kandidat-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskap; Göteborgs universitet / Institutionen för biologi och miljövetenskapSammanfattning : During late spring and most of the summer in the year of 2018 the weather in Sweden was more extreme than normal, with high temperatures and few rainfalls. This resulted in a drought, of which the effects were noticed all over the country. One of the noticeable effects was an earlier leaf abscission from trees. LÄS MER
2. CHANGES IN URBAN GREENERY DURING THE 2018 HEAT WAVE – A CASE STUDY FOR GÖTEBORG USING REMOTE SENSING
Master-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskapSammanfattning : Urban vegetation plays a crucial role in diverse urban microclimates. The numerous ecosystem services provided by vegetation, particularly trees, ensure greater quality of life and thermal comfort regulation. Yet, not all trees are immune to extreme weather events, such as droughts and heat waves, especially in cities. LÄS MER
3. Exploring patterns in risk factors for bark beetle attack during outbreaks triggered by drought stress with harvester data on attacked trees: A case study in Southeastern Sweden
Master-uppsats, Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskapSammanfattning : ABSTRACT Raising temperatures and climate variability have intensified extreme weather events worldwide. These extremes can enhance and trigger possible pest outbreaks. Bark beetle attacks have become a major concern in regions with extensive spruce forest areas. Southeastern Sweden has faced repeated outbreaks resulting in widespread tree loss. LÄS MER
4. Investigating the response of terrestrial evapotranspiration to droughts in Africa : A combined remote sensing and modeling approach
Master-uppsats, Luleå tekniska universitet/RymdteknikSammanfattning : Climate change is posing a significant threat to terrestrial ecosystems worldwide, in part due to the more frequent occurrence of extreme climatic events such as droughts. While the importance of drought impacts on vegetation has been widely recognized, the time-dependent characteristics of drought-induced response remain insufficiently understood. LÄS MER
5. Relationen mellan ståndortsindex, markfuktighetsklass och granbarkborreangrepp i Uppsala och Västmanland
Kandidat-uppsats, SLU/School for Forest ManagementSammanfattning : De senaste tre åren har i genomsnitt 25 procent av den magra marken planterats med gran i Sverige. Gran växer bäst på bördiga marker med god markfuktighet. Trenden har lett till att Skogsstyrelsen meddelat ett stopp för föryngring av gran på tallmark fr.o. LÄS MER