Application of the artificial neural network in land subsidence prediction in the urban area of Tianjin Municipality, China.

LI Tao; PAN Yun; LOU Huajun; LI Bo; WANG Hong; ZOU Lizhi

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Geological Bulletin of China > 2005 > 24(7): 677-681.

LI Tao, PAN Yun, LOU Huajun, LI Bo, WANG Hong, ZOU Lizhi. 2005: Application of the artificial neural network in land subsidence prediction in the urban area of Tianjin Municipality, China.. Geological Bulletin of China, 24(7): 677-681.

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Application of the artificial neural network in land subsidence prediction in the urban area of Tianjin Municipality, China.

Environment and Resource College,Jilin University,Changchun 130026,Jilin,China,2. Key Lab. of Resource Environment and GIS of Beijing,Capital Normal University,Beijing 100037,China,3. Institute of Geographical Sciences and Natural Resources,Chinese Academy of Sciences,Beijing 100101,China,4. Laiyang Radio and TV Department,Shandong Province,Laiyang 265200,Shandong,China5. Chinese Academy of Geological Sciences,Beijing 100037,China

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Revised Date: August 06, 2004

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On the basis of an analysis of the characteristics of subsidence,combined with the principle of the artificial neural network, the precipitation, groundwater yield, drawdown of the previous year and degree of consolidation between 1961 and 1980 in the urban district of Tianjin were taken as training net sample inputs and the subsidence over the 20 years as outputs. The subsidence simulation model was constructed after training of the back-propagation network with the Bayesian method. Then the data of 1981 to 1993 were used to check the model. The results indicate that this method with the artificial neural network is an ideal one to predict subsidence. At last the subsidence until 2010 of the urban district of Tianjin was predicted using different levels of precipitation assurance.
- ground subsidence,
- artificial neural network,
- back-propagation method,
- precipitation assurance

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Application of the artificial neural network in land subsidence prediction in the urban area of Tianjin Municipality, China.

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