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Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
JoVE Journal
Environment
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JoVE Journal Environment
Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon

DOI:
10.3791/58189-v

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09:44 min

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October 16, 2018

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1Department of Geographical Sciences,University of Maryland, 2Hydrology & Remote Sensing Laboratory, Agricultural Research Service,United States Department of Agriculture

Chapters

  • 00:04Title
  • 00:38Topographic Analyses
  • 04:57Field Data Collection
  • 07:26Results: Soil Redistribution and Soil Organic Carbon in Topography-based Models
  • 09:14Conclusion

Summary

Automatic Translation

Automatic Translation

Landscape processes are critical components of soil formation and play important roles in determining soil properties and spatial structure in landscapes. We propose a new approach using stepwise principal component regression to predict soil redistribution and soil organic carbon across various spatial scales.

Tags

Keywords: Principal ComponentsTopographic ModelsSoil RedistributionSoil Organic CarbonGeoTREELight Detection And RangingDigital Elevation ModelsDEMSlopeCurvatureFlow AccumulationPositive OpennessLS-factorFlow Path LengthDownslope IndexCatchment Area

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