Essays about: "temporal dynamics"

Showing result 1 - 5 of 104 essays containing the words temporal dynamics.

  1. 1. Dynamic streams in a pre-alpine catchment

    University essay from Göteborgs universitet/Institutionen för geovetenskaper

    Author : Andreas Sølberg; [2021-07-12]
    Keywords : Temporary streams; Streamflow; Stream mapping; Pre-Alpine catchment; Stream dynamics; Topographic wetness index; Upslope accumulated area;

    Abstract : This thesis aims to investigate the factors controlling the dynamics of temporary streams, i.e.,streams that do not flow throughout the year. Temporary stream hydrology is a relativeunexplored scientific field. READ MORE

  2. 2. Greenhouse gas emissions from three large lakes during the autumn 2020

    University essay from Linköpings universitet/Institutionen för tema

    Author : Veronica Bohlin; Anja Anderö Nordqvist; [2021]
    Keywords : methane; carbon dioxide; dissolved inorganic carbon; pCO2; flux chambers; large lakes; methane budget; carbon budget; GHGs; freshwater; spatiotemporal; ebullition; diffusion; autumn; metan; koldioxid; upplöst oorganiskt kol; pCO2; kammarmetod; stora sjöar; metanbudget; koldioxidbudget; växthusgaser; sötvatten; spatiotemporal; ebullition; diffusion; höst;

    Abstract : Methane (CH4) and carbon dioxide (CO2) are two greenhouse gases and main drivers of global climate change. Lakes are known to be a source of CH4 and CO2 to the atmosphere. While the importance of these emissions is clear, their magnitudes and regulation are still uncertain due to the scarcity of flux measurement data from lakes. READ MORE

  3. 3. Improving accessibility to the bus service : Building an accessibility measurement tool in QGIS

    University essay from Umeå universitet/Institutionen för geografi

    Author : Philip Lindén; [2021]
    Keywords : public transportation; public transit; fixed route transit systems; buses; bus stops; accessibility; measuring accessibility; measuring performance; social exclusion; vulnerable groups; GIS; QGIS; Graphical Modeler;

    Abstract : Satisfactory public transportation (PT) should enable people to reach attractive destinations and desired activities fast, comfortably, safely, and affordably. When PT fails to do so it will have negative effects on the overall accessibility in a society. READ MORE

  4. 4. Spatiotemporal Fidelity of a Metapopulational Model Evaluated on the COVID-19 Pandemic in Sweden

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Filip Skogh; [2021]
    Keywords : Epidemiology; COVID-19; Sweden; Metapopulation; SEIR; Model;

    Abstract : A modified SEIR compartmental model is constructed for COVID-19 in a metapopulational setting with fine-scaled population data. The model is stochastically simulated with GLEAMviz that provides realistic short and long distance mobility based on real-world data. READ MORE

  5. 5. 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