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Changqing Song

affiliation not provided to SSRN

SCHOLARLY PAPERS

5

DOWNLOADS

235

TOTAL CITATIONS

0

Scholarly Papers (5)

Considering Spatial Heterogeneity of Cultivation Conditions Can Effectively Improve the Assessment of Nitrogen Use at the Provincial Scale in China

Number of pages: 50 Posted: 06 Aug 2024
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 44 (1,170,161)

Abstract:

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Sustainable agriculture intensification, Nitrogen use efficiency, Synthetic nitrogen fertilizer, Spatial clustering, GIS, Random Forest

Considering Spatial Heterogeneity of Cultivation Conditions Can Effectively Improve the Assessment of Nitrogen Use at the Provincial Scale in China

Number of pages: 37 Posted: 01 May 2024
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 18 (1,525,626)

Abstract:

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Sustainable agriculture intensification, nitrogen use efficiency, Synthetic nitrogen fertilizer, Spatial clustering, GIS, Random Forest

2.

Assessing and enhancing the waterlogging resilience of urban subway systems from a complex-network perspective

Number of pages: 48 Posted: 01 Jan 2026
Fei Xu, Changqing Song, Hao Wang, Tong Gao and Delin Fang
affiliation not provided to SSRN, affiliation not provided to SSRN, Beijing University of Technology, affiliation not provided to SSRN and Beijing Normal University
Downloads 56 (1,010,164)

Abstract:

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Subway system, Waterlogging resilience assessment and enhancement, Complex network, Critical node identification, Emergency node selection, Recovery sequence

3.

Ewms: A Software Tool for Interactively Using Entropy Weight Coefficient Method for Aggregating Sustainability Indicators

Number of pages: 32 Posted: 06 Nov 2024
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 44 (1,157,785)

Abstract:

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Entropy weight coefficient method, Sustainability assessment, Composite indices, Aggregating sustainability indicators

4.

Understanding Spatial and Temporal Patterns and Driving Factors of Cropland in China National Protected Areas to Explore Sustainable Control Strategies

Number of pages: 37 Posted: 06 Sep 2023
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN
Downloads 40 (1,209,354)

Abstract:

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National Protected Areas, Land use, arable land protection, biodiversity, Ecosystem service, wildlife-friendly agriculture

5.

Effects of Farming Conditions on Cropland Productivity: Regional-Specific Modelling Framework

Number of pages: 49 Posted: 20 Aug 2025
affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN and University of Göttingen
Downloads 33 (1,277,121)

Abstract:

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Land Use, Soil quality, Cropland productive capacity, GPP, Land computing