In this study, the spatial distribution pattern of the roads, historical samples, digital elevation data, and other available resources were incorporated into the design of a soil-sampling scheme to predict the soil organic matter (SOM) of the northern region of Zhongxiang City, Hubei Province, and simulated annealing (SA) was applied to optimize the sampling design. The sampling points determined after optimization were used to establish a multivariate linear regression model to adequately reproduce the intrinsic link between topographic factors and the SOM at 13 different sampling scales in areas nearby the existing roadways in the study area. The topographic factors included slope, plane curvature, profile curvature, topographic wetness index (TWI), stream power index (SPI), and sediment transport index (STI). A multilayer perceptron (MLP) model was also constructed. Comparison of the accuracy of the multivariate linear regression and MLP models demonstrated the feasibility of an optimized soil sampling design based on the road network. With the optimized sampling design, accurate soil-landscape information can be obtained, and its precision is greater than that of the original sampling scheme before optimization. The optimized sampling design obtained reduces sampling costs, increases sampling efficiency, and provides an effective method for obtaining the spatial distribution pattern of organic matter in soils.
Published in | Earth Sciences (Volume 8, Issue 6) |
DOI | 10.11648/j.earth.20190806.14 |
Page(s) | 335-345 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2019. Published by Science Publishing Group |
Soil-landscape Model, Simulated Annealing (SA), Multilayer Perceptron (MLP), Sampling Design Optimization
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APA Style
Rong Chen, Shishi Liu, Yufei Yang, Wei Huang, Zongwei Han, et al. (2019). Optimization of Soil Sampling Design Based on Road Networks – A Simulated Annealing/Neural Network Algorithm. Earth Sciences, 8(6), 335-345. https://doi.org/10.11648/j.earth.20190806.14
ACS Style
Rong Chen; Shishi Liu; Yufei Yang; Wei Huang; Zongwei Han, et al. Optimization of Soil Sampling Design Based on Road Networks – A Simulated Annealing/Neural Network Algorithm. Earth Sci. 2019, 8(6), 335-345. doi: 10.11648/j.earth.20190806.14
AMA Style
Rong Chen, Shishi Liu, Yufei Yang, Wei Huang, Zongwei Han, et al. Optimization of Soil Sampling Design Based on Road Networks – A Simulated Annealing/Neural Network Algorithm. Earth Sci. 2019;8(6):335-345. doi: 10.11648/j.earth.20190806.14
@article{10.11648/j.earth.20190806.14, author = {Rong Chen and Shishi Liu and Yufei Yang and Wei Huang and Zongwei Han and Peihong Fu}, title = {Optimization of Soil Sampling Design Based on Road Networks – A Simulated Annealing/Neural Network Algorithm}, journal = {Earth Sciences}, volume = {8}, number = {6}, pages = {335-345}, doi = {10.11648/j.earth.20190806.14}, url = {https://doi.org/10.11648/j.earth.20190806.14}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.earth.20190806.14}, abstract = {In this study, the spatial distribution pattern of the roads, historical samples, digital elevation data, and other available resources were incorporated into the design of a soil-sampling scheme to predict the soil organic matter (SOM) of the northern region of Zhongxiang City, Hubei Province, and simulated annealing (SA) was applied to optimize the sampling design. The sampling points determined after optimization were used to establish a multivariate linear regression model to adequately reproduce the intrinsic link between topographic factors and the SOM at 13 different sampling scales in areas nearby the existing roadways in the study area. The topographic factors included slope, plane curvature, profile curvature, topographic wetness index (TWI), stream power index (SPI), and sediment transport index (STI). A multilayer perceptron (MLP) model was also constructed. Comparison of the accuracy of the multivariate linear regression and MLP models demonstrated the feasibility of an optimized soil sampling design based on the road network. With the optimized sampling design, accurate soil-landscape information can be obtained, and its precision is greater than that of the original sampling scheme before optimization. The optimized sampling design obtained reduces sampling costs, increases sampling efficiency, and provides an effective method for obtaining the spatial distribution pattern of organic matter in soils.}, year = {2019} }
TY - JOUR T1 - Optimization of Soil Sampling Design Based on Road Networks – A Simulated Annealing/Neural Network Algorithm AU - Rong Chen AU - Shishi Liu AU - Yufei Yang AU - Wei Huang AU - Zongwei Han AU - Peihong Fu Y1 - 2019/11/22 PY - 2019 N1 - https://doi.org/10.11648/j.earth.20190806.14 DO - 10.11648/j.earth.20190806.14 T2 - Earth Sciences JF - Earth Sciences JO - Earth Sciences SP - 335 EP - 345 PB - Science Publishing Group SN - 2328-5982 UR - https://doi.org/10.11648/j.earth.20190806.14 AB - In this study, the spatial distribution pattern of the roads, historical samples, digital elevation data, and other available resources were incorporated into the design of a soil-sampling scheme to predict the soil organic matter (SOM) of the northern region of Zhongxiang City, Hubei Province, and simulated annealing (SA) was applied to optimize the sampling design. The sampling points determined after optimization were used to establish a multivariate linear regression model to adequately reproduce the intrinsic link between topographic factors and the SOM at 13 different sampling scales in areas nearby the existing roadways in the study area. The topographic factors included slope, plane curvature, profile curvature, topographic wetness index (TWI), stream power index (SPI), and sediment transport index (STI). A multilayer perceptron (MLP) model was also constructed. Comparison of the accuracy of the multivariate linear regression and MLP models demonstrated the feasibility of an optimized soil sampling design based on the road network. With the optimized sampling design, accurate soil-landscape information can be obtained, and its precision is greater than that of the original sampling scheme before optimization. The optimized sampling design obtained reduces sampling costs, increases sampling efficiency, and provides an effective method for obtaining the spatial distribution pattern of organic matter in soils. VL - 8 IS - 6 ER -