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Remote Sensing Technology and Application  2010, Vol. 25 Issue (5): 733-739    DOI: 10.11873/j.issn.1004-0323.2010.5.733
article     
Discovering Land Use Type Knowledge from Spatial Database
YANG Cun-jian,WANG Qin,REN Ping,WU Gui-shu
(Research Center of RS&GIS,Key Lab of Land Resources Evaluation and Monitor,
Sichuan Normal University,Chengdu 610068,China)
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Abstract  

Discovering knowledge from spatial database is an important aspect for GIS application study.Discovering land use type knowledge from spatial database was discussed in Shimian country of Sichuan province.The forest resource investigation data were used to create GIS database,from which the landuse type layer was extracted.The raster database with the resolution of 10 m including DEM,annual temperature and annual precipitation were created by using GIS software.The knowledge of each land use type distribution along with the elevation,temperature and precipitation were discovered by the methods that the land use type layer was overlaid with the raster database,and the results were calculated.The spatial relationship knowledge among land use types was discovered by the method that the sharing boundary length of the land use type with another land use type was divided by the total boundary length of the land use type.The knowledge was benefit to the optimization use of the land and interpretation of the remote sensing images.The method of knowledge discovering can also be used in other regions or fields such as nature,society,economics and population.

Key words:   Data base      GIS;Knowledge discovering      Land use type      Spatial configuration     
Received:  24 November 2009      Published:  30 October 2013
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YANG Cun-Jian
WANG Qin
REN Ping
WU Gui-Shu

Cite this article: 

YANG Cun-Jian, WANG Qin, REN Ping, WU Gui-Shu. Discovering Land Use Type Knowledge from Spatial Database. Remote Sensing Technology and Application, 2010, 25(5): 733-739.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2010.5.733     OR     http://www.rsta.ac.cn/EN/Y2010/V25/I5/733

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