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Arid Land Geography >

2023 , Vol. 46 >Issue 6: 982 - 992

DOI: https://doi.org/10.12118/j.issn.1000-6060.2022.474

Land Use and Agricultural Development

Spatial and temporal matching characteristics of agricultural land and water resources in the Shule River Basin

  • Jing YANG ,
  • Dongmei ZHOU ,
  • Jing MA ,
  • Xiaoyan ZHU ,
  • Yinli JIN ,
  • Fan ZHOU ,
  • Jun ZHANG
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  • 1. College of Resources and Environment, Gansu Agricultural University, Lanzhou 730070, Gansu, China
    2. College of Management, Gansu Agricultural University, Lanzhou 730070, Gansu, China
    3. Research Center for Water-saving Agriculture in Gansu Province, Lanzhou 730070, Gansu, China

Received date: 2022-09-20

  Revised date: 2022-11-28

  Online published: 2023-07-24

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Abstract

As important resources for agricultural production, the effective spatial allocation of land and water resources is conducive to the full utilization of resources and sustainable regional development. In this study, we selected the Shule River Basin, northwest China as the research object. On the basis of the water footprint theory to account for the changes in the water footprint of agricultural production in the Shule River Basin, the Gini coefficient and the spatial mismatch model were used to quantitatively assess the dynamic trends of the spatial and temporal matching of agricultural land and water resources in the study area during 2000—2020 and their sensitivity. Our results showed the following: (1) The agricultural water footprint and crop planting area in the Shule River Basin showed a decreasing trend during 2000—2020. The peak of crop production water footprint appeared in 2007 and 2018, and the peak of crop planting area appeared in 2009 and 2018. The annual contribution rate of blue water footprint is 90.9%, which is complementary to green water footprint, indicating that blue water is the main source of agricultural water in the Shule River Basin. (2) The spatial matching degree of agricultural water and soil resources is gradually improved, and it is generally in a better matching state. The spatial mismatch between blue and green water footprint and crop planting area was gradually improved, and the spatial distribution showed the characteristics of high in the middle and low in the periphery. (3) The number of areas with moderate or high sensitivity to crop production footprint was increasing.

Key words： water footprint; land and water matching; sensitivity analysis; Shule River Basin

Cite this article

Jing YANG , Dongmei ZHOU , Jing MA , Xiaoyan ZHU , Yinli JIN , Fan ZHOU , Jun ZHANG . Spatial and temporal matching characteristics of agricultural land and water resources in the Shule River Basin[J]. Arid Land Geography, 2023 , 46(6) : 982 -992 . DOI: 10.12118/j.issn.1000-6060.2022.474

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