Information extraction and analysis for the night time light data of two sides of Helan Mountain from 1992 to 2013

Yuanmao Zheng; Menglin Fan; Yaling Cai; Yongfei Song; Yuanrong He

doi:10.1117/12.2674176

28 June 2023 Information extraction and analysis for the night time light data of two sides of Helan Mountain from 1992 to 2013

Yuanmao Zheng, Menglin Fan, Yaling Cai, Yongfei Song, Yuanrong He

Author Affiliations +

Proceedings Volume 12720, 2022 Workshop on Electronics Communication Engineering; 1272003 (2023) https://doi.org/10.1117/12.2674176
Event: 2022 Workshop on Electronics Communication Engineering (WECE 2022), 2022, Xi'an, China

Abstract

Scientific estimation and dynamic monitoring of regional nighttime light evolution in long time series is an important source of information for assessing regional human nighttime economic and social activities. Based on the nighttime light remote sensing data of the long time series from 1992 to 2013, this paper took the two sides of Helan Mountain as the research object, extracted the total amount of regional light by using TNLI index, and analyzed the temporal variation characteristics of nighttime light on both sides of Helan Mountain from time and space by studying the nighttime light changes. The results show that the nighttime light of Helan Mountain and its two sides increased year by year from 1992 to 2013, and increased sharply in 1997, while the variation of total nighttime light and nighttime light density tended to be gentle from 2002 to 2013. In the temporal and spatial evolution of nighttime light in Inner Mongolia and Ningxia, the total amount of nighttime light on both sides of Helan Mountain has been increasing, but the total amount of light has changed little since 2002. The above indicated that in order to protect the ecology of Helan Mountain, the regional development on both sides of Helan Mountain changed from rapid expansion to stable upward. The research results can provide data support for the ecological protection of Helan Mountain and the formulation of policies.

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Yuanmao Zheng, Menglin Fan, Yaling Cai, Yongfei Song, and Yuanrong He "Information extraction and analysis for the night time light data of two sides of Helan Mountain from 1992 to 2013", Proc. SPIE 12720, 2022 Workshop on Electronics Communication Engineering, 1272003 (28 June 2023); https://doi.org/10.1117/12.2674176

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KEYWORDS

Remote sensing

Light sources and illumination

Absorbance

Environmental monitoring

Reflection

Calibration

Sensors

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