Essays about: "Indalsälven"

Found 5 essays containing the word Indalsälven.

  1. 1. Constructed wetland for post-treatment of phosphorus in wastewater : An initial assessment of potential design and application to a small-scale water treatment plant in Åre municipality, Sweden

    University essay from Mittuniversitetet/Institutionen för naturvetenskap, design och hållbar utveckling (2023-)

    Author : Johan Arnemo; [2023]
    Keywords : : cold climate; ecological engineering; free water surface wetland; horizontal subsurface wetland; phosphorus treatment;

    Abstract : In recent years, the treatment of phosphorus in Nyland's water treatment plant (located in Åre municipality) has been substandard. The problem has persisted despite attempts to lower the concentration to meet the emission requirements. READ MORE

  3. 2. Contribution to Sustainable Water Management in oligotrophic mountainous rivers : Sunlight induced inactivation of Escherichia coli under the influence of physicochemical parameters water-color and water depth

    University essay from Mittuniversitetet/Institutionen för ekoteknik- och hållbart byggande

    Author : Béla efternamn:Szépfalusi Student 1; [2022]
    Keywords : bacterial inactivation; E. coli; UV-radiation; water color; water depth; sustainable water management;

    Abstract : Water is essential for life on earth. Human society is challenged to sustain sufficient water quantity of good quality. This objective is reflected in sustainable development goal 6, “clean water and sanitation”. READ MORE

  4. 3. På andra sidan av vattenkraften : lokalinvånares berättelser i relation till vattenkraften

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Ida-Maria Olofsson; [2020]
    Keywords : vattenkraft; geografiska obalanser; plats; förändring; mening; fråntagande;

    Abstract : Det här är ett arbete om kraftverkssamhället Ragunda. Det handlar om de upplevda geografiska orättvisorna i relation till vattenkraften och platsen. Berättelsen har sin grund i en tid innan kraftverksetableringen. En försvunnen tid. READ MORE

  5. 4. CO2-emissions from rivers and streams : Seasonal variation of pCO2-levels and CO2-fluxes

    University essay from Mittuniversitetet/Institutionen för ekoteknik- och hållbart byggande

    Author : Emile Vandeburie; [2020]
    Keywords : Eddy Covariance; CO2-flux; air-water gas exchange;

    Abstract : Since the industrial evolution, the CO2-levels have been increasing in a way that’s never seen in the history of the earth. To mitigate and adapt to the happening climate change it is really important to understand the global carbon cycle and each component that plays a role in it. READ MORE

  6. 5. Flow conditions downstream of Bergeforsen dam

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Erik Lidén; [2012]
    Keywords : Bergeforsen; Indalsälven; spillway; dam safety; design flow; flow conditions; erosion; SMS; Surfacewater Modeling System; RMA2; Technology and Engineering;

    Abstract : Due to the change in climate the design flow for Bergeforsen dam, located at the Indalsälven river mouth, is being revised from 2300 m3/s to more than 3000 m3/s. The dam needs to be upgraded with a new gated spillway and repaired in order to increase the safety of the dam. READ MORE