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Restoring urbanization process in China in the 1990s by using non-radiance-calibrated DMSP/OLS nighttime light imagery and statistical data

Restoring urbanization process in China in the 1990s by using non-radiance-calibrated DMSP/OLS nighttime light imagery and statistical data,10.1007/s1

Restoring urbanization process in China in the 1990s by using non-radiance-calibrated DMSP/OLS nighttime light imagery and statistical data   (Citations: 8)
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Since current administrative unit-based urban land area statistical data in China lack enough spatial information, the urbanization process research at large scale cannot be effectively supported. Based on the current administrative unit-based urban land area statistical data in China, a new approach to quickly and cheaply derive urban land information from the non-radiance-calibrated Defense Meteorological Satellite Program/ Operational Linescan System (DMSP/OLS) nighttime light imagery is presented in this paper. With the new approach, the urban pattern information in China in 1992, 1996 and 1998 was derived with the urbanization processes in China in the 1990s restored by using the non-radiance-calibrated DMSP/OLS nighttime imagery. The accuracy assessment based on the statistical data showed that the relative error between the derived total urban land area and the statistical data at national scale was less than 2% in 1992, and less than 1% in 1996 and 1998, and the maximum relative error at province scale do not exceed 10% with most of the provinces less than 3%. In addition, the urban patterns derived from the high-resolution Landsat TM imagery were compared with those from the DMSP/OLS data. The results showed that the urban pattern characteristics derived from DMSP/OLS were basically coincident with those from TM imagery with the total accuracy of about 80%. Thus it can be seen that our restored urbanization process in China in the 1990s by using the non-radiance DMSP/OLS night-time imagery can be accepted and can represent the actual urban development in China at that time on the whole.
Journal: Chinese Science Bulletin - CHIN SCI BULL , vol. 51, no. 13, pp. 1614-1620, 2006
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    • ...[17] He et al. [2006] developed a technique for quickly and efficiently deriving urban land information from the non‐radiance‐calibrated DMSP/OLS nighttime light imagery and statistical data of the administrative, unit‐based urban land area in China...
    • ...In the present study, we essentially followed the approach of He et al. [2006] to determine the urban thresholds under two basic premises: [18] (1) The existing statistical data of the administrative, unit‐based urban land area for Shanghai and the other six provinces can largely reflect the quantitative characteristics of the urban land in each province as a whole; hence, the derived total urban land area from the DMSP/OLS imagery should ...

    Xuchao Yanget al. Observed surface warming induced by urbanization in east China

    • ...Mapping urban land effectively and accurately is helpful for understanding the urban spatial pattern and controlling the urban sprawl of China [2]...

    Yang Yanget al. Improving the support vector machine-based method to map urban land of...

    • ...The nighttime data have been used for global/continental urban mapping, socioeconomic variables such as population, Gross Domestic Product, and electrical power consumption analyzing [4-10]...
    • ...In order to resolve this problem, He et al. had used different threshold values for different provinces [7]...

    Rui Sunet al. Urban expansion analysis of the Huang-Huai-Hai Plain region by DMSP/OL...

    • ...Though the influences of urban sprawl have been received considerable concern in China, most articles analyzed the problems from social science, urban planning, population or the urbanization process and related mechanism (e.g. Shi and He 1996; He et al. 2006)...

    Guangmei Wanget al. Biodiversity conservation in a fast-growing metropolitan area in China...

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