干旱区研究

Arid Zone Research >

2023 , Vol. 40 >Issue 2: 203 - 212

DOI: https://doi.org/10.13866/j.azr.2023.02.05

Land and Water Resources

Optimization of low-carbon land use pattern based on scenario simulation: A case study of Fenhe River Basin

  • Enyue ZHANG ,
  • Junyan ZHENG ,
  • Yingqing SU ,
  • Lei ZHANG ,
  • Pengfei ZHANG ,
  • Geng LIU
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  • 1. College of Geography Science, Taiyuan Normal University, Jinzhong 030619, Shanxi, China
    2. Zhongjin Environmental Technology Co., Ltd, Taiyuan 030000, Shanxi, China
    3. College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, Gansu, China
    4. School of Economics and Management, Taiyuan Normal University, Jinzhong 030619, Shanxi, China

Received date: 2022-07-11

  Revised date: 2022-11-21

  Online published: 2023-03-08

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Abstract

Carrying out the optimal allocation of land use is aimed at promoting the scientific use of regional land resources and achieving carbon emission reduction targets. In this paper, the Fenhe River Basin is taken as the research area. Based on the data on land use and resistance factors in 2015 and 2020, the FLUS-MCR model and the carbon budget coefficient method are used to verify the accuracy of the model. Five simulation scenarios, such as low-carbon development priority, economic development priority, cultivated land protection priority, ecological protection priority, and natural development in 2030, are set up to compare the layout characteristics of land use types under different scenarios in the future, and an optimized layout scheme is proposed. The results showed that: (1) In 2020, the areas of four land use functional zoning of the prohibited, restricted, key, and optimized development zones in Fenhe River Basin were 2491.76 km2, 6445.99 km2, 16325 km2, and 14477 km2, respectively. The net carbon emission of the basin is 2002.46 × 104 t. The prohibited development zone is the carbon sink area of the basin, and the total carbon absorption is 0.76×104 t. The remaining three areas are carbon source areas, and the total carbon emission is 2003.22 × 104 t. (2) In 2030, the carbon balance of land use in each scenario from high to low is low-carbon development priority, ecological protection priority, cultivated land protection priority, natural development priority, and economic development priority. (3) In 2030, under different scenarios, in addition to the relatively reasonable land use structure of the prohibited development zone, the restricted development zone still needs to appropriately reduce the proportion of cultivated land and construction land in the area. To support the coordinated development of land use, production, living conditions, and ecological functions and to accomplish low-carbon land use goals, the key and optimal development zones should take arable grassland development into consideration.

Key words： low-carbon land use; optimize configuration; FLUS-MCR model; carbon budget coefficient; Fenhe River Basin; Shanxi

Cite this article

Enyue ZHANG , Junyan ZHENG , Yingqing SU , Lei ZHANG , Pengfei ZHANG , Geng LIU . Optimization of low-carbon land use pattern based on scenario simulation: A case study of Fenhe River Basin[J]. Arid Zone Research, 2023 , 40(2) : 203 -212 . DOI: 10.13866/j.azr.2023.02.05

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