[1]Gao Jianlun,Wang Jingjing,Bai Yue,et al.The influence of the Grain for Green Project on climate change in Shaanxi Province and its driving mechanism[J].Research of Soil and Water Conservation,2025,32(02):150-157.[doi:10.13869/j.cnki.rswc.2025.02.035]
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The influence of the Grain for Green Project on climate change in Shaanxi Province and its driving mechanism
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
32
Number of periods:
2025 02
Page number:
150-157
Column:
Public date:
2025-01-20
- Title:
- The influence of the Grain for Green Project on climate change in Shaanxi Province and its driving mechanism
- Keywords:
- Grain for Green Project; precipitation; temperature; feedback effects; vegetation restoration
- CLC:
- P951
- DOI:
- 10.13869/j.cnki.rswc.2025.02.035
- Abstract:
- [Objective]The aims of this study are to examine the feedback effect of vegetation restoration on climate and its driving mechanism in Shaanxi Province, and to provide scientific basis for a deeper understanding of the response mechanism of climate change to vegetation restoration in northwest China. [Methods]Based on the measured data from meteorological stations and satellite remote sensing data in Shaanxi Province, we used the methods of Observation Minus Reanalysis(OMR)and land use transfer matrix to compare the interannual differences of precipitation and temperature in different terrain surface pattern before and after the Grain for Green Project of Shaanxi(1980—1999 and 2000—2017). Then, the mechanisms driving of the climate feedback effects were discussed under vegetation restoration. [Results]The implementation of the Grain for Green Project had led to an increase in annual precipitation and a decrease in the warming trend of average and maximum temperatures in Shaanxi Province. Changes in surface evapotranspiration and latent heat fluxes due to the increased vegetation cover were the primary drivers of the increase in annual precipitation and the slowing down of temperature, but its effect on annual precipitation and temperature varied according to the topographic subsurface. [Conclusion]Vegetation restoration affects climate change in Shaanxi Province mainly by regulating surface evapotranspiration and latent heat fluxes, and its impact on climate varies according to the topographic subsurface.
- References:
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Last Update:
2025-01-20