Study on rocky desertification change in Xichou County based on Landsat remote sensing data

Zhengbiao Zhu; Wujun Xi

doi:10.1117/12.2626639

2 March 2022 Study on rocky desertification change in Xichou County based on Landsat remote sensing data

Zhengbiao Zhu, Wujun Xi

Proceedings Volume 12158, International Conference on Computer Vision and Pattern Analysis (ICCPA 2021); 1215802 (2022) https://doi.org/10.1117/12.2626639
Event: 2021 International Conference on Computer Vision and Pattern Analysis, 2021, Guangzhou, China

Abstract

Xichou County, Wenshan Prefecture, Yunnan suffered serious ecological damage from the 1960s to the 1980s, resulting in a serious decrease in the forest coverage rate of the county, and a significant increase in the area of rock desertification area. Nearly more than ten years, the county has achieved obvious results through ecological governance. With the help of GEE platform, this paper uses NDRI-based pixel dichotomy model to extract rocky desertification information in Xichou County in 2005, 2010, 2016 and 2021. The results show that although the status of local rocky desertification has intensified, timely measures have been taken to avoid further deterioration. Meanwhile, due to the strengthening of control and prevention efforts, the non-rocky desertification areas in the local area have been increasing from 2005 to 2021, and the area of very severe rocky desertification areas has been greatly reduced. This remarkable improvement also provides good conditions for the improvement of local living environment and economic development.

Citation Download Citation

Zhengbiao Zhu and Wujun Xi "Study on rocky desertification change in Xichou County based on Landsat remote sensing data", Proc. SPIE 12158, International Conference on Computer Vision and Pattern Analysis (ICCPA 2021), 1215802 (2 March 2022); https://doi.org/10.1117/12.2626639

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KEYWORDS

Earth observing sensors

Landsat

Remote sensing

Short wave infrared radiation

Vegetation

Clouds

Infrared radiation

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