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County as a case study area, this study used an emergy synthesis to examine the sustainability of the agricultural system … before and after the GFGP in Northwest China. We found that the total emergy input and energy output of the agricultural …
Persistent link: https://www.econbiz.de/10010743907
The paper argues against the claim made by Emergy Analysts that emergy is an exergy-based procedure. Both Emergy- and … consumption of physical systems: the issue at stake is whether Emergy is embodied energy or embodied exergy. Although the … compatibility of Exergy- and Emergy accounting procedures, the significance of the peculiar Emergy Algebra, and some cost …
Persistent link: https://www.econbiz.de/10010808538
Presented paper shows the power of emergy analysis and its ability for simultaneous consideration of different … tries to deal separately with each of the resources (energy, water, hydrogen, oxygen, etc.), the combined emergy … effort of minimising their environmental impact). The paper presents the theoretical background of the emergy and pinch …
Persistent link: https://www.econbiz.de/10010808721
Both thermoeconomic accounting and emergy analysis methodologies deal with energy systems and are aimed at allocating …
Persistent link: https://www.econbiz.de/10010810142
of biogeochemical cycles. As used in this work, ECEC is analogous to the concept of emergy, but does not rely on any of …
Persistent link: https://www.econbiz.de/10010810495
In the last 15 years, worldwide air transportation has grown at an average yearly rate of 4.5%. Forecasts confirm that this could be the average increase rate for the next 20 years, although recent oscillation of oil price translated into a slowing down of such a trend, with several air...
Persistent link: https://www.econbiz.de/10010811866
Persistent link: https://www.econbiz.de/10010997096
provided by, their lands. This is in part to justify expenditures in a time of limited resources. We used emergy and an … National Forest System (NFS) lands, and the natural capital residing on those lands. Environmental accounting using emergy … totaling 197 billion emdollars. Monetary values for some natural capital and ecosystem services are similar to emergy …
Persistent link: https://www.econbiz.de/10010997219
-perspective evaluation of agricultural activity through a study of the dairy sector in Slovenia. Socio-economic and emergy evaluation was … discrepancies in the performance of the farm types when defined by socio-economic or emergy based indicators. Standard socio …-economic evaluation favours larger conventional systems that are cost efficient and financially independent. Emergy analysis however …
Persistent link: https://www.econbiz.de/10011043670
(coal and minerals) decreases both the environmental and economic sustainability of the area. Emergy-based performance ….67) and sustainability (ESI=9.61). The emergy exchange ratios (exported emergy/imported emergy) are calculated to be 4.38 for … trade) and protection of natural grassland capital are more advantageous in emergy terms than the “blind” pursuit of …
Persistent link: https://www.econbiz.de/10011047034