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author:

Qiu, Bingwen (Qiu, Bingwen.) [1] (Scholars:邱炳文) | Liu, Baoli (Liu, Baoli.) [2] | Tang, Zhenghong (Tang, Zhenghong.) [3] | Dong, Jinwei (Dong, Jinwei.) [4] | Xu, Weiming (Xu, Weiming.) [5] (Scholars:徐伟铭) | Liang, Juanzhu (Liang, Juanzhu.) [6] (Scholars:梁娟珠) | Chen, Nan (Chen, Nan.) [7] (Scholars:陈楠) | Chen, Jiangping (Chen, Jiangping.) [8] | Wang, Laigang (Wang, Laigang.) [9] | Zhang, Chengming (Zhang, Chengming.) [10] | Li, Zhengrong (Li, Zhengrong.) [11] | Wu, Fangzheng (Wu, Fangzheng.) [12]

Indexed by:

Scopus SCIE

Abstract:

The amount of actively cultivated land in China is increasingly threatened by rapid urbanization and rural population aging. Quantifying the extent and changes of active cropland and cropping intensity is crucial to global food security. However, national-scale datasets for smallholder agriculture are limited in spatiotemporal continuity, resolution, and precision. In this paper, we present updated annual Cropland Use Intensity maps in China (China-CUI10m) with descriptions of the extent of fallow/abandoned, actively cropped fields and cropping intensity at a 10-m resolution in recent six years (2018-2023). The dataset is produced by robust algorithms with no requirements for regional adjustments or intensive training samples, which take full advantage of the Sentinel-1 (S1) SAR and Sentinel-2 (S2) MSI time series. The China-CUI10m maps have achieved high accuracy when compared to ground truth data (Overall accuracy = 90.88%) and statistical data (R-2 > 0.94). This paper provides the recent trends in cropland abandonment and agricultural intensification in China, which contributes to facilitating geographic-targeted cropland use control policies towards sustainable intensification of smallholder agricultural systems in developing countries.

Keyword:

Community:

  • [ 1 ] [Qiu, Bingwen]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Liu, Baoli]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Xu, Weiming]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Liang, Juanzhu]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Chen, Nan]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China
  • [ 6 ] [Li, Zhengrong]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China
  • [ 7 ] [Wu, Fangzheng]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China
  • [ 8 ] [Tang, Zhenghong]Univ Nebraska Lincoln, Community & Reg Planning Program, Lincoln, NE 68558 USA
  • [ 9 ] [Dong, Jinwei]Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
  • [ 10 ] [Chen, Jiangping]Wuhan Univ, Sch Remote Sensing & Informat Engn, Wuhan, Peoples R China
  • [ 11 ] [Wang, Laigang]Henan Acad Agr Sci, Inst Agr Econ & Informat, Zhengzhou, Peoples R China
  • [ 12 ] [Zhang, Chengming]Shandong Agr Univ, Coll Informat Sci & Engn, Tai An, Peoples R China

Reprint 's Address:

  • [Qiu, Bingwen]Fuzhou Univ, Acad Digital China Fujian, Minist Educ, Key Lab Spatial Data Min &Informat Sharing, Fuzhou 350116, Fujian, Peoples R China;;

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Source :

SCIENTIFIC DATA

Year: 2024

Issue: 1

Volume: 11

5 . 8 0 0

JCR@2023

Cited Count:

WoS CC Cited Count: 3

SCOPUS Cited Count: 3

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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