A simplified regional-scale electromagnetic induction 鈥?Salinity calibration model using ANOCOVA modeling techniques
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- 作者：Dennis L. Corwina ; Dennis.Corwin@ars.usda.gov" class="auth_mail ; Scott M. Leschb ; 1 ; SLesch@riversideca.gov" class="auth_mail
- 关键词：ANOCOVA ; analysis of covariance ; CCR ; common coefficient regression ; ECa ; apparent soil electrical conductivity (dS m&minus ; ; 1) ; ECe ; electrical conductivity of the saturation extract (dS m&minus ; ; 1) ; EMh ; ECa measured with electromagnetic induction in the horizontal coil configuration (dS m&minus ; ; 1) ; EMv ; ECa measured with electromagnetic induction in the vertical coil configuration (dS m&minus ; ; 1) ; EMI ; electromagnetic induction ; FSR ; field specific regression ; MSE ; mean s
- 刊名：Geoderma
- 出版年：October 2014
- 年：2014
- 卷：230-231
- 期：Complete
- 页码：288-295
- 全文大小：594 K
文摘
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A simplified method was developed to map regional-scale soil salinity using ANOCOVA.
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The evaluation was made using case studies ranging from 2400 to 100,000 hectares.
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The ANOCOVA model outperformed other statistical approaches.
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The ANOCOVA model provided estimates of salinity within acceptable limits.
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Established ANOCOVA slope coefficients can be used at all future fields in a region.