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Reconstruction of cropland spatial patterns and its spatiotemporal changes over the 20th century on the Songnen Plain, Northeast China
Zhang, Lijuan1; Jiang, Lanqi; Zhang, Xuezhen2,3
2017-10-01
Source PublicationJOURNAL OF GEOGRAPHICAL SCIENCES
ISSN1009-637X
Volume27Issue:10Pages:1209-1226
Corresponding AuthorZhang, Xuezhen(xzzhang@igsnrr.ac.cn)
AbstractWe initially estimated the cropland area at county level using local historical documents for the Songnen Plain (SNP) in the 1910s and 1930s. We then allocated this cropland area to grid cells with a size of 1 km x 1 km, using a range of cultivation possibilities from high to low; this was based on topography and minimum distances to rivers, settlements, and traffic lines. Cropland areas for the 1950s were obtained from the Land Use Map of Northeast China, and map vectorization was performed with ArcGIS technology. Cropland areas for the 1970s, 1980s, 1990s, 2000s, and 2010s were retrieved from Landsat images. We found that the cropland areas were 4.92 x 10(4) km(2) and 7.60 x 10(4) km(2), accounting for 22.8% and 35.2% of the total area of the SNP in the 1910s and 1930s, respectively, which increased to 13.14 x 10(4) km(2), accounting for 60.9% in the 2010s. The cropland increased at a rate of 1.18 x 10(4) km(2) per decade from the 1910s to 1970s while it was merely 0.285 x 10(4) km(2) per decade from the 1970s to 2010s. From the 1910s to 1930s, new cultivation mainly occurred in the central SNP while, from the 1930s to 1970s, it was mainly over the western and northern parts. This spatially explicit reconstruction could be offered as primary data for studying the effects of changes in human-induced land cover based on climate change over the last century.
Keywordland use/cover changes agricultural development historical documents gridding data
DOI10.1007/s11442-017-1431-3
WOS KeywordLAND-USE CHANGE ; PAST 300 YEARS ; CLIMATE ; IMPACTS ; COVER ; DATABASE ; REGION
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[42171217] ; National Natural Science Foundation of China[41471171] ; Doctorial Innovation Fund[HSDBSCX 2015-12]
Funding OrganizationNational Natural Science Foundation of China ; Doctorial Innovation Fund
WOS Research AreaPhysical Geography
WOS SubjectGeography, Physical
WOS IDWOS:000404923500004
PublisherSCIENCE PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62906
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Xuezhen
Affiliation1.Harbin Normal Univ, Key Lab Remote Sensing Monitoring Geog Environm, Harbin 150025, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
3.Jiangsu Collaborat Innovat Ctr Climate Change, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Lijuan,Jiang, Lanqi,Zhang, Xuezhen. Reconstruction of cropland spatial patterns and its spatiotemporal changes over the 20th century on the Songnen Plain, Northeast China[J]. JOURNAL OF GEOGRAPHICAL SCIENCES,2017,27(10):1209-1226.
APA Zhang, Lijuan,Jiang, Lanqi,&Zhang, Xuezhen.(2017).Reconstruction of cropland spatial patterns and its spatiotemporal changes over the 20th century on the Songnen Plain, Northeast China.JOURNAL OF GEOGRAPHICAL SCIENCES,27(10),1209-1226.
MLA Zhang, Lijuan,et al."Reconstruction of cropland spatial patterns and its spatiotemporal changes over the 20th century on the Songnen Plain, Northeast China".JOURNAL OF GEOGRAPHICAL SCIENCES 27.10(2017):1209-1226.
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