Sökning: "Greenhouse gas"
Visar resultat 11 - 15 av 550 avhandlingar innehållade orden Greenhouse gas.
11. Building renovation processes towards low greenhouse gas emissions and energy use
Sammanfattning : Buildings from the record year era are now 40 – 55 years old and in many cases in need of extensive renovation measures. This need for renovation could be seen as an opportunity to achieve overarching sustainability target levels and to perform renovation with a holistic approach. LÄS MER
12. Greenhouse gas production in nitrogen removal wetlands
Sammanfattning : Nitrogen removal wetlands are constructed in agricultural areas as a measure to reduce the amount of non-point source nitrogen that reaches coastal areas. Methane and nitrous oxide, two greenhouse gases, are produced under anaerobic conditions and an increased amount of waterlogged areas will therefore increase the potential emission of these gases. LÄS MER
13. Greenhouse Gas Fluxes and Carbon Sequestration in Young Norway Spruce Stands : The Effects of Fertilization
Sammanfattning : The enormous challenge of climate change is discussed and debated today because of its major impact on life on Earth. The forests have an important role to play as the plants absorb carbon dioxide (CO2) from the atmosphere through their photosynthesis and the growing tree retain carbon (C). LÄS MER
14. Sociotechnical system studies of the reduction of greenhouse gas emissions from energy and transport systems
Sammanfattning : It is agreed that greenhouse gas (GHG) emissions from energy and transport systems must be reduced. Technical means exist to reduce GHG emissions from these sources. However, these emission-reduction measures are not implemented to a high enough degree. LÄS MER
15. On mechanisms controlling air-sea gas exchange
Sammanfattning : Carbon is essential to the Earth’s system functioning, playing a major role in physical and biogeochemical processes in the atmosphere, the terrestrial biosphere, and the oceans. The concentration of carbon-based greenhouse gases in the atmosphere, such as carbon dioxide (CO2) and methane (CH4), has been increasing since the industrial era. LÄS MER