Sökning: "emergy analysis"

Hittade 3 avhandlingar innehållade orden emergy analysis.

  1. 1. Biomass Potential for Heat, Electricity and Vehicle Fuel in Sweden

    Författare :Peter Hagström; Bengt Hillring; Per Olov Nilsson; Leif Gustafsson; Paul Mitchell; Skogsmästarskolan Sveriges lantbruksuniversitet; []
    Nyckelord :LANTBRUKSVETENSKAPER; AGRICULTURAL SCIENCES; bioenergy potential; biomass potential; cost analysis; emergy; energy analysis; energy scenarios; systems analysis; thermochemical conversion; SRA - Energy; SRA - Energi;

    Sammanfattning : The main objective of this thesis was to determine how far a biomass quantity, equal to the potential produced within the Swedish borders, could cover the present energy needs inSwedenwith respect to economic and ecological circumstances. Three scenarios were studied where the available biomass was converted to heat, electricity and vehicle fuel. LÄS MER

  3. 2. Making Sense of Environmental Values : Wetlands in Kenya

    Författare :Charlotte Billgren; Hans Holmén; Stefan Anderberg; Linköpings universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Environmental values; interdisciplinarity; economic environmental valuation; stakeholder analysis; emergy analysis; risk analysis; cultural theory; Kenya; wetlands; natural resource management; arena perspective; Miljövärden; tvärvetenskap; ekonomisk miljövärdering; stakeholder analys; emergy analys; riskanalys; kulturteori; Kenya; våtmarker; naturresurshantering; arenaperspektiv; Business and economics; Ekonomi;

    Sammanfattning : En av de viktigaste frågorna i världen idag är naturresurshantering. Med en väx-ande befolkning och hoten från klimatförändringar kommer förvaltningen av jordens naturresurser bli än viktigare, såväl för dagens generation som kommande generationer. LÄS MER

  4. 3. Att mäta och kommunicera hållbart : en analys av ett svenskt jordbruk

    Författare :Anna Levin; Göran Hoppe; Jan Boelhouwers; Uppsala universitet; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; Resource use; sustainability; agricultural system; emergy-based foot- and fingerprint; ecosystem services; communication; Human geography; Kulturgeografi; Kulturgeografi; Social and Economic Geography; Geography; Geografi;

    Sammanfattning : Tools that highlight the human impact on ecosystems and the accelerating depletion of natural resources are essential in the strife towards a more sustainable way of living. Emergy analysis is a scientific and robust method to assess the degree of sustainability of human as well as natural systems. LÄS MER