Remote sensing-based information extraction of the geological landscape in the Zhada earth forest distribution area

YE Qiang; WANG Hong; YANG Zhaoying; JIANG Xiao; NYIMA Ciren; LU Wenjia

doi:10.6046/zrzyyg.2022056

2023 Vol. 35, No. 1

Article Contents

Article navigation > Remote Sensing for Natural Resources > 2023 > 35(1): 148-154

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YE Qiang, WANG Hong, YANG Zhaoying, JIANG Xiao, NYIMA Ciren, LU Wenjia. 2023. Remote sensing-based information extraction of the geological landscape in the Zhada earth forest distribution area. Remote Sensing for Natural Resources, 35(1): 148-154. doi: 10.6046/zrzyyg.2022056

Citation:

YE Qiang, WANG Hong, YANG Zhaoying, JIANG Xiao, NYIMA Ciren, LU Wenjia. 2023. Remote sensing-based information extraction of the geological landscape in the Zhada earth forest distribution area. Remote Sensing for Natural Resources, 35(1): 148-154. doi: 10.6046/zrzyyg.2022056

Remote sensing-based information extraction of the geological landscape in the Zhada earth forest distribution area

1. Xizang Institute of Geological Survey, Lhasa 850000, China；
2. Information Center of Ministry of Natural Resources, Beijing 100036, China；
3. China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing 100083, China

Received Date: 28 February 2022

Revised Date: 15 March 2023

Publish Date: 20 March 2023

Abstract

Abstract

The Zhada earth forest, located in Zhada and Pulan Counties, Xizang, is composed primarily of weakly consolidated to semi-consolidated clastics s of the Tuolin and Xiangzi formations. This area forms a unique geological landscape consisting of peaks and ravines due to the long-term erosion by rivers and rain. To further explore the tourism resources in the Zhada earth forest distribution area and fully reveal the scientific and aesthetic values of the study area, this study carried out the geological interpretation of the study area mainly based on the GF-1 satellite remote sensing images, with the interpretation focusing on the Xiangzi and Tuolin formations constituting the earth forest landscape, as well as ophiolites and tectonic melanges reflecting plate subduction. Based on the interpretation results and the 3D interpretation environment of the Aerial Geophysical Remote Sensing Multivariate Data Processing and Product Display Platform, this study extracted information on typical geological landscapes in the study area, including earth forests, various rocks, and fault structures. The remote sensing technology helped delineate the distribution range of the earth forest more accurately. The 3D display platform enabled the more vivid display of the geological relics that represented the dramatic changes in the regional evolution history, such as earth forests, oceanic crust remnants, and unconformities. The application of modern information technology can provide strong support for the landscape planning of the Zhada Earth Forest National Geopark.
- Zhada earth forest /
- geological landscape /
- remote sensing

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References

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