Soil surface roughness indices, interpretation and application

被引：0
|
作者：
Zhang H. [1 ]
Sun Y. [1 ]
机构：
[1] Research Center for Precision Farming, China Agricultural University
来源：
Nongye Jixie Xuebao/Transactions of the Chinese Society of Agricultural Machinery | 2010年 / 41卷 / 03期
关键词：
Interpretation; Soil; Surface roughness; Temporal/spatial variability; Tillage;
D O I：
10.3969/j.issn.1000-1298.2010.03.008
中图分类号：
学科分类号：
摘要：
The surface elevation of a tilled field shows both oriented and random morphologies. Based on stochastic process theory, the temporal variability of the tilled surface roughness over time fulfills the ergodic property. Characterizing the temporal/spatial variability of the tilled surface by using different indices is beneficial in assessing the tilled quality, studying soil water movement, and for optimal management of agricultural field. Therefore, interpretation of various roughness indices has become a focus in precision agriculture worldwide. In this general review, a broad discussion of soil surface roughness that contains multi-scale models, multi-factor analysis on temporal/spatial variability, and direct or potential utilities in agricultural activity was provided.
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收藏
页码：33 / 39
页数：6
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