土壤粗糙度

基于人机交互的半自动土壤粗糙度测量系统

A Semiautomatic Soil Roughness Measure System Based on Human-Computer Interaction

测定土壤粗糙度的一种简便易行的方法是在土壤中插入一块刻度板，人工读取土壤高度。

A simple method of soil roughness measure is to plug a board with sc ale into soil , and read the height of soil manually .

主动微波遥感空间分辨率较高，但对土壤粗糙度和植被敏感；

Active microwave can provide high spatial resolution but is sensitive to soil rough and vegetation .

土壤表面粗糙度是影响耕作土壤抗风蚀能力的一个重要因素。

Aerodynamic roughness calculated by wind profile can be employed to depict aerodynamic properties of cultivated soil effectively .

利用主被动遥感数据估算土壤湿度和粗糙度的新方法

A Simple Method for the Estimation of the Soil Wetness and Surface Roughness by Using Active / Passive Microwave Data

首先，利用后向散射系数和土壤含水量、粗糙度的简化公式发展了用于多极化ASAR数据的裸土含水量反演模型。

First of all , using the simplified formula of backscattering coefficient with soil water content and roughness developed a inversion model of bare soil moisture used for Multi-polarization ASAR data .

耕作土壤表面空气动力学粗糙度是评价土壤可蚀性的重要指标。

Aerodynamic roughness length is a important feature to easement soil resistance to wind erosion .

在利用微波辐射计进行对地观测的过程中，陆地表面特性参数（如土壤水分、土壤粗糙度和植被冠层）是土壤微波辐射的重要影响因素。

Observing the land with radiometer , the land parameters , such as soil moisture , soil roughness and vegetation layer , have great influences on the soil microwave emission .

对于土壤来说，土壤湿度、土壤的有机质含量、土壤粗糙度、土壤质地等特性是精准农业中所需要的重要信息。

Soil water content , soil organic matter content , soil roughness and soil texture etc. are very important information in precision farming .

本文通过野外实验对阴山北部冬春两季裸露耕地土壤表面的抗剪强度进行测定，利用剪切应力确定该地区耕作土壤表面空气动力学粗糙度。

The research measured sheer strength of the North of Mount Yin of Inner Mongolia bare cultivated soil , and used the sheer strength to solve aerodynamic roughness length .