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Dynamic characteristics of snow frequency and its relationship with climate change on the Tibetan plateau from 2001 to 2015

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Abstract

Snow plays an important role in the cryosphere, due to its high surface albedo and its heat-insulation effect. Furthermore, snow strongly influences the energy exchange between land surface and atmosphere. It is one of the most widely distributed material and has the most significant seasonal and interannual variation in the global cryosphere. The total snow-cover area is about 1150 to 1260 km2, which is about 23% of Earth’s surface area. Due to its temperature sensitivity, snow also indicates climate change and has a feedback effect on climate. As an important input variable of the surface hydrological process and the energy-balance model, snow cover frequency (SCF) is central to the simulation of glacial and snow melt runoff and in the hydrologic process of downstream rivers. Accordingly, this paper studied the characteristics of SCF from 2001 to 2015, based on MOD10A2 products, and analyzed the relationship between SCF and metrological data derived from stations, in order to build a foundation for the analysis of climate change and its effects.

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Acknowledgments

This work was supported by the National Natural Science Foundation of China under No.42065008,the Project of Sichuan Provincial Department of science and technology under No.2021YFS0328,the Project of Sichuan Provincial Department of science and technology under No.2020YFG0146,the Wetland ecosystem and hydrological process change under No.2019QZKK0304,the Scientific and technological cooperation project of China Academy of meteorological science and technology under No.2019QZKK0105,the Research Center for meteorological disaster prediction, early warning and emergency management, key research base of Humanities and Social Sciences, Department of education of Sichuan Province under No.ZHYJ21-YB03,The Project of science and Technology Association of Tibet Autonomous Region Analysis on meteorological causes of debris flow in Jiala village, Pai Town, Milin County,the Climate small construction project Meteorological monitoring and evaluation system for water ecological quality of meteorological support project for mountain torrent geological disaster prevention and control in 2020.

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Jinbao Liu, Methodology, Project Administration, Manuscript editing; Yuting Li, Software, Validation; Jing Yu, Visualization, Manuscript Review and editing; Yunjun Yao, Design Framework, Resources, Validation.

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Correspondence to Jinbao Liu or Yuting Li.

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Authors do not have any conflicts.

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Communicated by: H. Babaie

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Liu, J., Li, Y., Yu, J. et al. Dynamic characteristics of snow frequency and its relationship with climate change on the Tibetan plateau from 2001 to 2015. Earth Sci Inform 15, 1233–1247 (2022). https://doi.org/10.1007/s12145-022-00805-8

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  • DOI: https://doi.org/10.1007/s12145-022-00805-8

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