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利用主成分扩展地形模型绘制土壤再分配和土壤有机碳
JoVE 신문
환경과학
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JoVE 신문 환경과학
Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
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利用主成分扩展地形模型绘制土壤再分配和土壤有机碳

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

자동 번역

자동 번역

景观过程是土壤形成的重要组成部分, 在确定景观土壤性质和空间结构方面起着重要作用。我们提出一种新的方法, 采用逐步主成分回归预测不同空间尺度下土壤的再分配和土壤有机碳。

Tags

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

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