Essays about: "temporal variations"

Showing result 21 - 25 of 74 essays containing the words temporal variations.

1. 21. The Influence of Natural Radon Occurrence on the Severity of the COVID-19 Pandemic in Germany: a Spatial Analysis

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Ignatius Gabriel Aloysius Maria Perera; [2022]
   Keywords : Geography; GIS; Epidemiology; Germany; SARS-CoV-2; COVID-19; Radon; Spatial regression; Earth and Environmental Sciences;

   Abstract : The exposure to naturally occurring, radioactive noble gas radon is known to cause permanent damage in lung tissue. Lung diseases and prior radiation of lung tissue have been identified as contributing to a severe progression of COVID-19. READ MORE

3. 22. Common Guillemots Uria aalge Alter Trip Patterns During Breeding

   University essay from SLU/Dept. Of Aquatic Resources

   Author : Mica Bohacek; [2022]
   Keywords : Common Murre; Stora Karlsö; trip duration; trip frequency; central-place foragers; feeding rate; time-budget;

   Abstract : Seabirds are facing immense pressures, primarily induced by competition with commercial fisheries; this is of considerable concern due to the critical role that they play in marine food webs and their invaluable function as bioindicators. In this thesis, I studied the temporal change in trip duration for the Common Guillemot Uria aalge, a circum-arctic seabird species. READ MORE

4. 23. Performance of Small- and Large-cap stock portfolios- The importance of market anomalies across business cycles

   University essay from Göteborgs universitet/Graduate School

   Author : Erik Hulth; [2021-06-30]
   Keywords : Stock performance; Market anomalies; Asset pricing; Portfolio sorting techniques; Factor-portfolio sorting techniques; Value effect; Size effect; Momentum effect; Temporal influences; Business cycles; GDP-gap; Single-and Multi- Factor models; CAPM; Fama-French Three-Factor model; Carhart Four-Factor model; Risk-adjusted equity returns; Sharpe Ratio; Jensen´s alpha; NASDAQ OMX and NYSE;

   Abstract : This Master´s thesis investigated the importance of the market anomalies size (market capitalization), value (Book-to-Market ratio) and momentum (lagged short-term momentum) for equity returns of small- and large-cap composite stock portfolios. The study focused on two contrasting stock markets (NASDAQ OMX and NYSE) across domestic business cycles over the time-period 2006 to 2021. READ MORE

5. 24. Monitoring wetland cover changes during the past two decades within the protected areas of the Sudd wetland in South Sudan using MODIS data

   University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

   Author : Charlotta Ruuskanen; [2021]
   Keywords : Physical Geography and Ecosystem analysis; MODIS; NDVI; Sudd Wetlands; Wetland Cover Classification; White Nile Hydrology; Armed Herder-Pastoralist Conflict analysis; Earth and Environmental Sciences;

   Abstract : The Sudd wetland, situated along the White Nile in the Republic of South Sudan, is recognized internationally for its unique environmental features. The distinctive ecological characteristics have resulted in the creation of numerous nature reserves in efforts to conserve the habitats and ecosystem services provided. READ MORE

6. 25. Odensjön - A new varved lake sediment record from southern Sweden

   University essay from Lunds universitet/Geologiska institutionen

   Author : Hanna Hertzman; [2021]
   Keywords : Varved lake sediment; late Holocene; organic sediments; diatoms; land-use history; southern Sweden; palaeolimnology; Earth and Environmental Sciences;

   Abstract : Annually laminated (varved) sediments provide opportunities to reconstruct climate change and human impact on the environment with high temporal resolution. Depending on the character of the varves, such sediments can provide insight into the delivery of both autochthonous and allochthonous material from the lake and its catch- ment and answer questions regarding both regional and local responses to climate- and land-use changes. READ MORE