Analysis of surface albedo characteristics of alpine desert plant communities

Huilan Shi; Yaling Chen; Shengpeng Zhu; Shihai Zhu

doi:10.1117/12.3049132

27 November 2024 Analysis of surface albedo characteristics of alpine desert plant communities

Huilan Shi, Yaling Chen, Shengpeng Zhu, Shihai Zhu

Author Affiliations +

Proceedings Volume 13402, International Conference on Remote Sensing, Mapping, and Geographic Information Systems (RSMG 2024); 134021W (2024) https://doi.org/10.1117/12.3049132
Event: International Conference on Remote Sensing, Mapping, and Geographic Information Systems (RSMG 2024), 2024, Zhengzhou, China

Abstract

Objective: To study the change characteristics and rules of surface albedo of alpine desert plant communities, for revealing the influence of vegetation status and other factors on surface albedo in alpine desert ecosystem, will provide remote sensing monitoring basis for desert ecosystem monitoring. Methods: Based on the analysis of surface albedo data and the survey data of alpine desert plant community in Qaidam Basin, the spatio-temporal variation of surface albedo of alpine desert plant community was discussed by using statistical methods and multi-scale analysis methods, the relationship between plant community characteristics and surface albedo was revealed. Results: (1) According to the change trend of surface albedo, six kinds of surface albedo can be analyzed in the order of near-infrared white-sky albedo > near-infrared black-sky albedo > short-wave black-sky albedo > visible white-sky albedo > visible black-sky albedo, with near-infrared albedo > short-wave albedo > visible albedo. White-sky albedo > Black-sky albedo. (2) The surface albedo characteristics of different plant communities were as follows: Poacynum hendersonii and Phragmites australis had the highest surface albedo (0.244). The surface albedo of Sympegma regelii desert community was the lowest (0.082). The average surface albedo of the alpine desert community was 0.202. Conclusion: near-infrared black-sky albedo and near-infrared white-sky albedo cannot reflect the type of alpine desert plant community, while BSA_v and WSA_v can be used as the representative indexes of surface albedo of alpine desert plant community.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Huilan Shi, Yaling Chen, Shengpeng Zhu, and Shihai Zhu "Analysis of surface albedo characteristics of alpine desert plant communities", Proc. SPIE 13402, International Conference on Remote Sensing, Mapping, and Geographic Information Systems (RSMG 2024), 134021W (27 November 2024); https://doi.org/10.1117/12.3049132

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KEYWORDS

Vegetation

Reflection

Climate change

Ecosystems

Statistical analysis

Analytical research

Remote sensing

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