Sökning: "diurnal"

Visar resultat 1 - 5 av 103 uppsatser innehållade ordet diurnal.

  1. 1. Habitat use and activity patterns of three Eulemur species in the forest and restoration areas of Ranomafana and Ankafobe, Madagascar

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Nicole Scholte Lubberink; [2023]
    Nyckelord :fragmentation; anthropogenic deforestation; camera traps; occupancy modelling; detection probability;

    Sammanfattning : Anthropogenic deforestation is a major threat to forest environments, as it leads to habitat loss and fragmentation. Many species suffer from these consequences due to reduced resource availability or connectivity. Forests in Madagascar have drastically been reduced in the past few centuries. LÄS MER

  3. 2. Unsupervised Machine Learning Based Anomaly Detection in Stockholm Road Traffic

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Vilma Hellström; [2023]
    Nyckelord :Anomaly detection; DBSCAN; LSTM; Machine learning; Synthetic anomalies; Unsupervised learning; Anomalidetektering; DBSCAN; LSTM; maskininlärning; syntetiska anomalier; oövervakad inlärning;

    Sammanfattning : This thesis is a study of anomaly detection in vehicle traffic data in central Stockholm. Anomaly detection is an important tool in the analysis of traffic data for improved urban planing. Two unsupervised machine learning models are used, the DBSCAN clustering model and the LSTM deep learning neural network. LÄS MER

  4. 3. SPATIO-TEMPORAL PATTERNS OF THE WOLF AND ITS PREY IN A MEDITERRANEAN AREA

    Master-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Författare :Giovanni Fini; [2022-08-29]
    Nyckelord :;

    Sammanfattning : Starting from the 1970s, populations of top predators such as the wolf Canis lupushave been expanding across Europe thanks to the protective legislation andthe creation of many protected areas, the increased abundance of wild ungulates and other factors. The return of these animals can trigger significant consequences from the ecological as well as management points of view. LÄS MER

  5. 4. ASSESMENT OF WIND POWER FORECASTING ERROR FOR GOTLAND

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Simon Rengmyr; [2022]
    Nyckelord :Wind power forecasting; Machine learning; Numerical weather prediction;

    Sammanfattning : When the wind blows and wind turbine generators harvests the kinetic energy and trans- forms it to electrical power, there is a need for predicting how much power that will be dispatched from the turbines. Even the most perfect computer model with high computa- tional power could not model the beauty of the forces of nature and we must accept some degree of forecasting error in the predicted power output due to the inherently stochastic patterns in the atmosphere. LÄS MER

  7. 5. Studies of the PMWE : Polar Mesosphere Winter Echoes

    Master-uppsats, Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Författare :Simon Persson; [2022]
    Nyckelord :Polar; Mesosphere; Winter; Echoes; ESRAD; Infrasound; PMWE; PMSE; Summer; Radar; VHF; MST; MLT; SPE; HSS; Solar; Wind; evanescent; viscosity; FCA; 42;

    Sammanfattning : This Master thesis examines a phenomenon that occurs in the upper polar atmosphere, namely, Polar Mesospheric Winter Echoes, or PMWEs. PMWEs are radar echoes observed by Very High Frequency Mesosphere Stratosphere Troposphere (VHF MST) radar, from altitudes of 60 to 76 km at 7 to 15 UT, in the winter months from the middle of September to the beginning of May. LÄS MER