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| Emergyanalys× | Ekologiskt fotavtryck× | |
|---|---|---|
| Ämnesområde | Hållbarhet | Hållbarhet |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår | 1996 | 1996 |
| Upphovsperson≠ | Howard T. Odum | Mathis Wackernagel & William Rees |
| Typ≠ | Environmental systems accounting | Environmental accounting indicator |
| Ursprungskälla≠ | Odum, H. T. (1996). Environmental Accounting: Emergy and Environmental Decision Making. John Wiley & Sons. ISBN: 978-0-471-11442-0 | Wackernagel, M., & Rees, W. (1996). Our Ecological Footprint: Reducing Human Impact on the Earth. New Society Publishers. ISBN: 978-0-86571-312-3 |
| Alias | Embodied Energy Analysis, Environmental Accounting (Odum), Emergy Accounting, Emerji Analizi | EFA, Ecological Footprint Analysis, Biocapacity Accounting, Ekolojik Ayak İzi |
| Närliggande≠ | 3 | 2 |
| Sammanfattning≠ | Emergy Analysis, developed by systems ecologist Howard T. Odum and formally presented in his 1996 book, is a biophysical accounting method that converts all inputs to a system — energy, materials, labor, and services — into a common unit of solar energy equivalents called solar emjoules (sej). By tracing how much prior environmental work was required to produce each input, it enables researchers, engineers, and policymakers to compare fundamentally different resource types on a single thermodynamic basis. | Ecological Footprint Accounting (EFA) is a resource accounting framework that measures how much biologically productive land and water area a human population requires to produce the resources it consumes and to absorb the waste it generates. Introduced by Mathis Wackernagel and William Rees in 1996, it compares human demand on nature against Earth's regenerative capacity, expressed in standardized global hectares (gha). |
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