Detecting spatiotemporal dynamics of global electric power consumption using DMSP-OLS nighttime stable light data

Kaifang Shi, Yun Chen, Bailang Yu, Tingbao Xu, Chengshu Yang, Linyi Li, Chang Huang, Zuoqi Chen, Rui Liu and Jianping Wu

Applied Energy, 2016, vol. 184, issue C, 450-463

Abstract: The rapid development of global industrialization and urbanization has resulted in a great deal of electric power consumption (EPC), which is closely related to economic growth, carbon emissions, and the long-term stability of global climate. This study attempts to detect spatiotemporal dynamics of global EPC using the Defense Meteorological Satellite Program’s Operational Linescan System (DMSP-OLS) nighttime stable light (NSL) data. The global NSL data from 1992 to 2013 were intercalibrated via a modified invariant region (MIR) method. The global EPC at 1km resolution was then modeled using the intercalibrated NSL data to assess spatiotemporal dynamics of EPC from a global scale down to continental and national scales. The results showed that the MIR method not only reduced the saturated lighted pixels, but also improved the continuity and comparability of the NSL data. An accuracy assessment was undertaken and confined that the intercalibrated NSL data were relatively suitable and accurate for estimating EPC in the world. Spatiotemporal variations of EPC were mainly identified in Europe, North America, and Asia. Special attention should be paid to China where the high grade and high-growth type of EPC covered 0.409% and 1.041% of the total country area during the study period, respectively. The results of this study greatly enhance the understanding of spatiotemporal dynamics of global EPC at the multiple scales. They will provide a scientific evidence base for tracking spatiotemporal dynamics of global EPC.

Keywords: Electric power consumption; Spatiotemporal dynamics; Remote sensing; DMSP-OLS; Nighttime light (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (40)

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DOI: 10.1016/j.apenergy.2016.10.032

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