Sökning: "large lakes"

Visar resultat 1 - 5 av 128 uppsatser innehållade orden large lakes.

  1. 1. En Moving Bed Biofilm Reactor som försteg till en Långtidsluftad Aktivslam : Syresättningsförmågan och syrebehovets påverkan på energibehovet.

    Kandidat-uppsats, Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Författare :Diana Klarström; [2020]
    Nyckelord :Biologisk rening; MBBR; LAS;

    Sammanfattning : The pulp and paper mill requires a lot of water during the production. Stora Enso Skoghall requires about 33m3 of water for 2204 lb produced carbon or paper. Before the wastewater returns to the recipient, the water must be purified from organic material. LÄS MER

  2. 2. Assessment of the Contribution of Groundwater Flow and Surface Flow from Bolmsö Island to Lake Bolmen, Sweden

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Teknisk geologi; Lunds universitet/Väg- och vattenbyggnad (CI)

    Författare :Angelique Uwera; [2020]
    Nyckelord :Groundwater; Surface water; GMS-MODFLOW; Bolmsö Island; Lake Bolmen; Brownification.; Technology and Engineering;

    Sammanfattning : The increase of brownification in surface waters has been a problem for rivers and lakes from the northern hemisphere. The main factors of this water brownification are the increase of dissolved organic matter and iron in water bodies. LÄS MER

  3. 3. A qualitative assessment of the effects of climate change on bridges

    Uppsats för yrkesexamina på avancerad nivå, Lunds universitet/Avdelningen för Konstruktionsteknik; Lunds universitet/Institutionen för bygg- och miljöteknologi

    Författare :Amina Arnautovic; [2020]
    Nyckelord :climate change; risk; bridges; qualitative assessment; klimatförändring; broar; kvalitativ bedömning; Technology and Engineering;

    Sammanfattning : Climate change is a fact and the potential climate change impacts on infrastructure are necessary to examine to ensure the safety and performance of societies. The evidence for climate change is overwhelming, the changes have been observed and the projected future based on models indicate further change. LÄS MER

  4. 4. Evaluation of sensor techniques for detection of contaminants in greywater from showers

    Master-uppsats, Lunds universitet/Avdelningen för Biomedicinsk teknik

    Författare :Andreas Bengtsson; Kalle Andersson; [2020]
    Nyckelord :Greywater; Ultrasound; IR; Impedance; Detection; Shower; Technology and Engineering;

    Sammanfattning : This thesis has been made in collaboration with the company Orbital Systems. The aim has been to optimize their product the Orbital shower, which is a circulating shower system. The work evaluates different sensor techniques suitable for detection of contaminants in greywater. LÄS MER

  5. 5. Variability of summer CH4 and CO2 flux rates in and between three large Swedish lakes : A spatio-temporal field study

    Kandidat-uppsats, Linköpings universitet/Tema Miljöförändring; Linköpings universitet/Tema Miljöförändring

    Författare :Isak Nilsson; Filip Seifarth; [2020]
    Nyckelord :Large lakes; Freshwater; Flux chambers; Emissions; Ebullition; Diffusion; Carbon cycle; Carbon budget; Methane budget; Greenhouse gases; GHGs; Methane; CH4; Carbon dioxide; CO2; Variability; Spatial; Temporal; Stora sjöar; sötvatten; flödeskammare; utsläpp; bubblor; diffusion; kolcykel; kolbudget; metanbudget; växthusgaser; metan; CH4; koldioxid; CO2; variabilitet; rumslig; tidsmässig;

    Sammanfattning : Understanding of natural greenhouse gas (GHG) cycles is crucial for making GHG budgets, which work as basis in climate change and global warming policy programs. Lakes as a source for GHG activity have only recently been included in global GHG budgets, and most studies of lake GHG flux rates are conducted on lakes <10 km2, which only comprise roughly half of the global lake area—making data of large lake flux rates scarce. LÄS MER