Sökning: "nitrous oxide emission"
Visar resultat 1 - 5 av 43 uppsatser innehållade orden nitrous oxide emission.
1. Greenhouse gas emissions from peat soil thawing in spring : a comparison between fertilized and unfertilized soil
Master-uppsats, SLU/Dept. of Soil and EnvironmentSammanfattning : Peat soils drained for agriculture and forestry contribute to a significant amount of greenhouse gas emissions. Nitrous oxide is a greenhouse gas with high warming potential and agriculture in general accounts for about 70 % of nitrous oxide emissions. LÄS MER
2. The potential nitrous oxide emissions in a permanent grassland chronosequence
Kandidat-uppsats, SLU/Dept. of Forest Mycology and Plant PathologySammanfattning : As a part of a larger project (Belowground biodiversity of grasslands – conservation needs and potential to promote sustainable agriculture), this study aims to investigate potential nitrous oxide (N2O) emissions and microbial gene abundances needed for the production (nirS and nirK) and reduction (nosZI and nosZII) of nitrous oxide in soil of permanent grasslands of various age. Thegrasslands have at different times been converted to permanent grasslands and are of interest because of the possibility to shed more light about the passage of time’s affects on the soil microbialcommunities and their activity. LÄS MER
3. Livscykelanalys av avloppsreningsverk : En jämförande studie mellan MBR och aktivslammetoden
Master-uppsats, KTH/Hållbar utveckling, miljövetenskap och teknikSammanfattning : Avloppsreningsverk är en viktig del av vattnets kretslopp och skyddar mottagande miljö från föroreningar i avloppsvattnet. Det finns olika tekniker att rena avloppsvattnet på och denna studie jämför den potentiella miljöpåverkan från MBR och aktivslammetoden ur ett livscykelperspektiv. LÄS MER
4. Underlying mechanisms behind nitrous oxide emissions in oilseed radish, Raphanus sativus var. oleiformis, and Phacelia tanacetifolia
Master-uppsats, SLU/Dept. of Plant Breeding (from 130101)Sammanfattning : Greenhouse gases are a driving force of climate change and the annual greenhouse gas emissions were higher between 2010-2019 than any other time in human history (Skea et. al. 2022). LÄS MER
5. Modelling the full-scale N2O emissions from wastewater treatment plants for identifying mitigation strategies
Master-uppsats, Lunds universitet/Kemiteknik (CI)Sammanfattning : Nitrous oxide (N2O) emissions, which primarily originate from the biological nitrogen removal process, dominate the release of greenhouse gases (GHGs) in wastewater treatment plants (WWTPs). N2O production occurs through dynamic microbial pathways that have a significant impact on the environment compared with other GHG emissions. LÄS MER