Sökning: "Earth and Environmental Sciences"

Visar resultat 1 - 5 av 2075 uppsatser innehållade orden Earth and Environmental Sciences.

  1. 1. Watershed delineation for runoff estimations to culverts in the Swedish road network : a comparison between two GIS based hydrological modelling methods and a manually delineated watershed

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

    Författare :Iris Behrens; [2017]
    Nyckelord :GIS; hydrological modelling; watershed: single flow direction algorithm; multiple flow direction algorithm; climate change adaption; Earth and Environmental Sciences;

    Sammanfattning : The anticipated climate changes are predicted to alter the precipitation patterns in Sweden. Increased episodes of intense short-duration rainfall and higher intensities of day long-duration rainfall are expected. Road sections are often a target of flooding, causing impassable roads, due to the lack of capacity of drainage systems. LÄS MER

  2. 2. Kartläggning av sand och naturgrus med hjälp av resistivitetsmätning på Själland, Danmark

    Kandidat-uppsats, Lunds universitet/Geologiska institutionen

    Författare :Hanna Nilsson; [2017]
    Nyckelord :Danmark; geologi; resistivitetsmätning; geofysik; naturgrus; kvartärgeologi; Earth and Environmental Sciences;

    Sammanfattning : Syftet med denna studie är att analysera resistivitetsdata från ett område i Hilleröd kommun och att kartlägga förekomsten av sand och grus. Naturgrus och sand är eftertraktade material inom anläggnings- och byggnadssektorn men fungerar också som bra grundvattenreservoarer. LÄS MER

  3. 3. Hydrology and surface water chemistry in a small forested catchment : which factors influence surface water acidity?

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

    Författare :Maja Jensen; [2017]
    Nyckelord :Physical geography; ecosystem analysis; hydrology; surface water chemistry; acidification; deposition; water balance modelling; Earth and Environmental Sciences;

    Sammanfattning : Water chemistry alterations such as acidification and eutrophication represent major threats to the running waters of the world, and Swedish waters are among the most vulnerable. In this study the small forested catchment Storskogen, part of the SWETHRO monitoring network, was analysed to examine the links between deposition, catchment hydrological properties and surface water chemistry. LÄS MER

  4. 4. A review on ozonation and17a-ethinylestradiol - formation and effects in the environment of the by-products

    Master-uppsats, Lunds universitet/Miljövetenskaplig utbildning

    Författare :Erica Svensson; [2017]
    Nyckelord :Ethinylestradiol; EE2; By-products; Ozonation products; Transformation products; Ozonation; Earth and Environmental Sciences;

    Sammanfattning : Today, waste water treatment plants do not remove pharmaceutical residues from the water (as there are currently no regulations for wastewater treatment in regards to pharmaceuticals residues in Sweden) resulting in a high concentration of pharmaceuticals reaching the environment. The Swedish environmental protection agency have recently concluded that there is a need for advanced treatment of pharmaceuticals in wastewater. LÄS MER

  5. 5. Innovative Business Models for Distributed PV in Brazil

    Master-uppsats, Lunds universitet/Internationella miljöinstitutet

    Författare :Can Soysal; [2017]
    Nyckelord :PV; Brazil; business models; distributed generation; crowd-funding; peer-to-peer; Business and Economics; Earth and Environmental Sciences;

    Sammanfattning : Most of the increase in world electricity demand until 2030 is expected to come from developing countries (IRENA, 2016) and transition to carbon free energy production technologies offers the opportunity to reduce the negative effects of this increase. With majority of the low and middle income countries located in the areas of favourable solar radiation, PV technology is likely to become a key source of energy in these countries. LÄS MER

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