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Developing a copula-based input-output method for analyzing energy-water nexus of Tajikistan

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  • Zhang, S.Q.
  • Li, Y.P.
  • Huang, G.H.
  • Ding, Y.K.
  • Yang, X.

Abstract

Energy and water are closely related and restricted, which hinder the socioeconomic sustainable development associated with resources pressure. In this study, a copula-based input-output analysis (CIOA) method is developed for analyzing energy-water nexus (EWN) through incorporating input-output analysis (IOA), ecological network analysis (ENA), and copula within a framework. The CIOA method cannot only identify key consumption sectors and system characteristics but also build a quantitative EWN dependence structure. CIOA is applied to analyzing EWN system of Tajikistan, where 45 scenarios based on different water-saving rates and joint probabilities are examined to unveil interactions of energy and water. Some major findings are: (i) household is the key final demand, in which manufacturing (MAN) is the main embodied energy consumer, and food crop planting (FCP) is the main embodied water consumer; (ii) the utilization efficiencies of energy (35.9 tce/103$) and water (0.92 m3/$) are both low; however, the circulation and stability of water system are better than those of energy system; (iii) energy-water collaborative conservation can be realized in FCP, cash crop planting (CCP) and service (SER) sectors, especially when the energy-saving rate of SER reaches about 50%. The findings suggest Tajikistan should improve the energy-water utilization efficiency and establish a cross-sectoral cooperation management pattern for supporting its economic development and resources conservation sustainbility.

Suggested Citation

  • Zhang, S.Q. & Li, Y.P. & Huang, G.H. & Ding, Y.K. & Yang, X., 2023. "Developing a copula-based input-output method for analyzing energy-water nexus of Tajikistan," Energy, Elsevier, vol. 266(C).
    • Handle: RePEc:eee:energy:v:266:y:2023:i:c:s0360544222033977
    DOI: 10.1016/j.energy.2022.126511
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    2. Zhao, Ke-Xin & Xu, Fei-Ran & Zhou, Yan & Ma, Tao, 2024. "The heterogeneous effects of non-hydro renewable energy and water resources on industrial development of the Yellow river and Yangtze river basins," Energy, Elsevier, vol. 301(C).
    3. Huang, Shanshan & Suo, Cai & Guo, Junhong & Lv, Jing & Jing, Rui & Yu, Lei & Fan, Yurui & Ding, Yanming, 2023. "Balancing the water-energy dilemma in nexus system planning with bi-level and multi-uncertainty," Energy, Elsevier, vol. 278(C).

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