Impacts of National Highway G214 on Vegetation in the Source Area of Yellow and Yangtze Rivers on the Southern Qinghai Plateau, West China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Study Area
2.2. Data Sources
2.3. Methods
2.3.1. Pearson Correlation Analysis
2.3.2. Coefficient of Variation (CV)
2.3.3. Geographical Detector
3. Results
3.1. Spatiotemporal Patterns of NDVIgs along the G214
3.2. NDVIgs Variations in the Three Buffer Zones along the G214
3.3. Correlation and Sensitivity Analysis of Drivers for NDVIgs
4. Discussion
4.1. Vegetation Change in the Source Area of the Yellow and Yangtze Rivers (SAYYR)
4.2. Impacts of the Highway on Vegetation in Permafrost Regions
4.3. Interactive Impacts of Geocryological, Topographical, Hydroclimatic, and Other Factors on NDVI
4.4. Implications and Limitations
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Category | Data | Year | Spatial Resolution |
---|---|---|---|
Vegetation index | NDVI | 2010, 2013, 2016, 2019 | 1 km |
Snow index | NDSI | 2010, 2013, 2016, 2019 | 0.5 km |
Meteorological factors | AP and AAAT | 2010, 2013, 2016, 2019 | 1 km |
Terrain factors | Elevation and slope | 2017 | 30 m |
Permafrost | MAGT | 2010, 2013, 2016, 2019 | N/A |
Criteria of Interval | Interaction |
---|---|
Nonlinear weakening | |
Single-factor nonlinear weakening | |
Dual-factor enhancement | |
Independence | |
Nonlinear enhancement |
Types | Elevation | Slope | NDSI | AP | AAAT | MAGT |
---|---|---|---|---|---|---|
q-statistic | 0.31 | 0.04 | 0.08 | 0.52 | 0.45 | 0.20 |
p-value | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 |
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Jin, X.; Tang, J.; Luo, D.; Wang, Q.; He, R.; Serban, R.-D.; Li, Y.; Serban, M.; Li, X.; Wang, H.; et al. Impacts of National Highway G214 on Vegetation in the Source Area of Yellow and Yangtze Rivers on the Southern Qinghai Plateau, West China. Remote Sens. 2023, 15, 1547. https://doi.org/10.3390/rs15061547
Jin X, Tang J, Luo D, Wang Q, He R, Serban R-D, Li Y, Serban M, Li X, Wang H, et al. Impacts of National Highway G214 on Vegetation in the Source Area of Yellow and Yangtze Rivers on the Southern Qinghai Plateau, West China. Remote Sensing. 2023; 15(6):1547. https://doi.org/10.3390/rs15061547
Chicago/Turabian StyleJin, Xiaoying, Jianjun Tang, Dongliang Luo, Qingfeng Wang, Ruixia He, Raul-D. Serban, Yan Li, Mihaela Serban, Xinze Li, Hongwei Wang, and et al. 2023. "Impacts of National Highway G214 on Vegetation in the Source Area of Yellow and Yangtze Rivers on the Southern Qinghai Plateau, West China" Remote Sensing 15, no. 6: 1547. https://doi.org/10.3390/rs15061547