Gridded population data of the Heihe river basin (2000)

Gridded population data of the Heihe river basin (2000)

In 2000, the population grid data of Heihe River Basin was generated based on 1:100000 land use data and population statistics data of each county in 2000.

Using principal component analysis and factor analysis, four factors are extracted from 11 regionalization indexes, and the Heihe River Basin is divided into four population distribution characteristic regions by using factor scores for hierarchical clustering. The linear regression model between rural residential land, cultivated land area and rural population is established based on the population statistical data of each county in 2000. The total population of each district and county is controlled. The population coefficient is adjusted according to the principle of different population distribution characteristics. The cultivated land population distribution coefficient is modified in the middle green continent, and the grassland population distribution is increased in the upstream mountainous area and the downstream desert oasis area Coefficient. The spatial distribution of urban population density in river basin is simulated by using the exponential model. Based on the above methods, the population spatial distribution results of 25m grid in Heihe River Basin and the data of 1km grid on scale are finally obtained. At the township level, the accuracy of the results of population spatialization is verified, and compared with the population data of Heihe River Basin estimated by the existing databases (GPW 1995, UNEP / grid1995, landscan 2002 and cn2000pop). The results show that the methods and models used in this study can obtain more accurate spatial distribution data of population in the basin.

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Cite as:

Wang, X., Ma, M. (2013). Gridded population data of the Heihe river basin (2000). National Tibetan Plateau Data Center, DOI: 10.3972/heihe.015.2013.db. CSTR: 18406.11.heihe.015.2013.db. (Download the reference: RIS | Bibtex )

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References literature

1.Xuemei Wang, Mingguo Ma. A distance variable to simulate the urban population. Proceedings of SPIE,2007,Vol. 6742,pp 67491S:1-8. (View Details )

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Geographic coverage
East: 102.08 West: 97.24
South: 37.44 North: 42.42
  • File size: 2,873 MB
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  • Access: Open Access
  • Temporal coverage: 2018-11-28 To 2018-11-28
  • Updated time: 2021-04-19
: MA Mingguo   WANG Xuemei  

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