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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 Journal
Environment
This content is Free Access.
JoVE Journal
Environment
Use of Principal Components for Scaling Up Topographic Models to Map Soil Redistribution and Soil Organic Carbon
Please note that all translations are automatically generated.
Click here for the English version.
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
•
09:44 min
•
October 16, 2018
•
Xia Li
2
,
Greg W. McCarty
1
Department of Geographical Sciences
,
University of Maryland
,
2
Hydrology & Remote Sensing Laboratory, Agricultural Research Service
,
United States Department of Agriculture
Chapters
00:04
Title
00:38
Topographic Analyses
04:57
Field Data Collection
07:26
Results: Soil Redistribution and Soil Organic Carbon in Topography-based Models
09:14
Conclusion
Summary
Automatic Translation
English (Original)
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Automatic Translation
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 Components
Topographic Models
Soil Redistribution
Soil Organic Carbon
GeoTREE
Light Detection And Ranging
Digital Elevation Models
DEM
Slope
Curvature
Flow Accumulation
Positive Openness
LS-factor
Flow Path Length
Downslope Index
Catchment Area
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