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논문 기본 정보

자료유형
학술저널
저자정보
Keshab Shrestha (University of Ulsan) Izhar Hussain Shah (Imperial College London) Zhe Liu (Xi"an Jiaotong University) Hung-Suck Park (University of Ulsan)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제27권 제5호
발행연도
2022.10
수록면
153 - 162 (10page)

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초록· 키워드

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Emergy accounting is an environmental assessment tool that accounts for all the energy pathways in production systems. In this regard, the System Thinking Experimental Learning Laboratory Animation (STELLA) with emergy model are used for a retrospective and prospective assessments. Nepal, a country having a relatively small economy but with faster recent growth as well as its geographical position and potentially high vulnerability to climate change was analyzed as a case study using data for 1998–2015 (retrospective) and 2015–2040 (prospective). As per our results, the rising use of non-renewable resources and decreasing use of locally extracted materials caused higher environmental load and reduced emergy sustainability scores. In addition, the effect of natural disasters, such as the Gorkha earthquake, on environmental performance of Nepal was analyzed by emergy accounting. Futuristic emergy analysis for 2015–2040 showed that total and non-renewable emergy would rise considerably, and the emergy sustainability index could further decrease by 33%. Based on these findings, small yet rapidly growing economies, such as Nepal, could improve their environmental management by reducing the material trade deficit (i.e., by increasing domestic material extraction and reducing imports of non-renewable resources), minimizing the use of non-renewables, improving soil fertility, and promoting renewable resource consumption.

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ABSTRACT
1. Introduction
2. Methodology
3. Results and Discussions
4. Conclusions
References

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