Abstract
In order to the quickly update land-cover information and improve the survey accuracy, the land-covers of northeast China were manually interpreted and mapped by using over 60 Land sat Thematic Mapped (TM) images and other information sources, then the interpreted land-cover maps were digitally entered into computers to form GIS. Under the GIS circumstances, the data were processed and calculated to draw out the area. Meanwhile, area proportion of small objects were estimated by means of sampling, this improved the survey accuracy.
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References
Liu Jiyuan, 1995. Remote Sensing Macro Investigation and Dynamic Study on China Resource and Environment. Beijing: Chinese Science and Technology Press. (in Chinese)
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Huang, T., Liu, Z., Pan, Y. et al. Land-cover survey in northeast China using remote sensing and GIS. Chin. Geograph.Sc. 8, 264–270 (1998). https://doi.org/10.1007/s11769-997-0020-2
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DOI: https://doi.org/10.1007/s11769-997-0020-2