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Application of Geomorphometric attributes in digital soil mapping by using of machine learning and fuzzy logic approaches

    Authors

    • Asghar Rahmani 1
    • Fereydoon Sarmadian 2
    • Sayed Roholla Mousavi 2
    • Seyyed Erfan Khamoshi 3

    1 Soil science department,Faculty of agriculture,university of tehran,karaj,Iran.

    2 Soil Science Department, faculty of agriculture, University of Tehran

    3 Soil science department,faculty of agriculture, university of tehran.

,

Document Type : Research Paper

10.22059/jrwm.2020.288580.1418
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Abstract

Conventional soil mapping is related to High density sampling, affected by scale and expert knowledge So using of new data mining methods in digital soil properties mapping was the main aim of this study for resolving conventional soil survey problems. In this research, 62 surface soil samples based on regular grid and expert knowledge opinion were selected after that soil organic carbon(SOC), clay content and CaCO3 were determined in some part of Dryland Kuhin region with area of 372 ha. Data sets were divided to two 80%(calibration) and 20%(validation), respectively. From digital elevation model with 10-meter spatial resolution were derived 19 geomorphometric attribute in SAGA GIS software. Three geomorphometric covariate included TPI, TRI, DEM and landform map unit were chosen PCA and expert knowledge. RStudio and SoLIM Solution software were used for random forest (RF) and fuzzy logic modelling, respectively. The RF modelling results show that for SOC, clay and CaCO3 based on determination coefficient (R2) had 0.63,0.75,0.63 and RMSE 0.17,7.5,5.77 percentage and for SoLIM method revealed that R2 0.47,0.42,0.42 and RMSE 0.2,8.08,4.68 percentage, respectively. Generally, the RF model with creating nonlinear relationship among soil properties and environmental covariate can predicted digital map with appropriate precision for management and sustainable land utilization

Keywords

  • Digital soil mapping
  • Data mining
  • Random Forest
  • Soil Landscape Inference Model
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Journal of Range and Watershed Managment
Volume 73, Issue 1
June 2020
Pages 105-124
Files
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  • PDF 1.79 M
History
  • Receive Date: 07 September 2019
  • Revise Date: 13 June 2020
  • Accept Date: 19 February 2020
  • First Publish Date: 21 May 2020
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How to cite
  • RIS
  • EndNote
  • Mendeley
  • BibTeX
  • APA
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  • HARVARD
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Statistics
  • Article View: 367
  • PDF Download: 250

APA

Rahmani, A., Sarmadian, F., Mousavi, S. R., & Khamoshi, S. E. (2020). Application of Geomorphometric attributes in digital soil mapping by using of machine learning and fuzzy logic approaches. Journal of Range and Watershed Managment, 73(1), 105-124. doi: 10.22059/jrwm.2020.288580.1418

MLA

Asghar Rahmani; Fereydoon Sarmadian; Sayed Roholla Mousavi; Seyyed Erfan Khamoshi. "Application of Geomorphometric attributes in digital soil mapping by using of machine learning and fuzzy logic approaches". Journal of Range and Watershed Managment, 73, 1, 2020, 105-124. doi: 10.22059/jrwm.2020.288580.1418

HARVARD

Rahmani, A., Sarmadian, F., Mousavi, S. R., Khamoshi, S. E. (2020). 'Application of Geomorphometric attributes in digital soil mapping by using of machine learning and fuzzy logic approaches', Journal of Range and Watershed Managment, 73(1), pp. 105-124. doi: 10.22059/jrwm.2020.288580.1418

VANCOUVER

Rahmani, A., Sarmadian, F., Mousavi, S. R., Khamoshi, S. E. Application of Geomorphometric attributes in digital soil mapping by using of machine learning and fuzzy logic approaches. Journal of Range and Watershed Managment, 2020; 73(1): 105-124. doi: 10.22059/jrwm.2020.288580.1418

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