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Super-resolution Mapping Dataset on Investigating Land Use Pixels into Subpixel Maps in Provincial Level of China (2005)


GE Yong1JIA Yuanxin1,2CHEN Yuehong3XU Xinliang1JIANG Dong1ZHANG Die1,2
1State Key Laboratory of Resources and Environmental Information System,Institute of Geographic Sciences and Natural Resources Research,Beijing 100101,China2University of Chinese Academy of Sciences,Beijing 100049,China3School of Earth Sciences and Engineering,Hohai University,Nanjing 210098,China

DOI:10.3974/geodb.2018.05.17.V1

Published:Sep. 2018

Visitors:204       Data Files Downloaded:135      
Data Downloaded:45366.95 MB      Citations:

Key Words:

Super-resolution Mapping,China,provincial level,Multi-scale,land use,2005

Abstract:

In order to find an alternative way to have a solution of low resolution of land use pixels, a new methodology, named the Victorial Boundary-based Subpixel Mapping (VBSPM) method was put forward to develop the land use data with the special resolution of 500m, 330m, 250m, 200m, 167m, 143m, 125m, 111m and 100m separately by adopting downscaling factors from 2 to 10. A finer Land use map (30m) of each province in 2005, provided by the Resources and Environmental Scientific Data Center, Chinese Academy of Sciences, was adopted as reference, the overall accuracy, producer’s and user’s accuracy of each class were obtained for each provincial dataset. For the overall accuracy, Xinjiang and Tibet achieved the best performance with the highest value of 90%; Shanxi, Shaanxi, Chongqing and Guizhou had the lowest accuracy with almost 70%. For the accuracy of classes, Farmland, Woodland and Grassland showed better than other classes; accuracy of populated places was relative low; Water and Barren land had an obvious difference among provinces. The dataset was archived in .tif, .xlsx data formats in 310 data files with data size of 449 MB (Compressed to one file, 336 MB).

Foundation Item:

National Natural Science Foundation of China (41471296); Ministry of Science and Technology of P. R. China (2012BAH33B01)

Data Citation:

GE Yong,JIA Yuanxin,CHEN Yuehong,XU Xinliang,JIANG Dong,ZHANG Die.Super-resolution Mapping Dataset on Investigating Land Use Pixels into Subpixel Maps in Provincial Level of China (2005)[DB/OL].Global Change Research Data Publishing & Repository,2018.DOI:10.3974/geodb.2018.05.17.V1.

Data Product:

ID Data Name Data Size Operation
1 MLUD_China_Prov2005.rar 344116.74kb DownLoad
Co-Sponsors

Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences

The Geographical Society of China

Parteners

Committee on Data for Science and Technology (CODATA) Task Group on Preservation of and Access to Scientific and Technical Data in/for/with Developing Countries (PASTD)

Jomo Kenyatta University of Agriculture and Technology

Digital Linchao GeoMuseum