| 坡面侵蚀土壤磁化率变化机理的研究 |
| |
| 作者单位： | 山东农业大学资源与环境学院，莱阳农学院资源与环境学院 |
| |
| 摘 要： | 研究了土壤磁化率与土壤物理性质的关系,结果表明:应用干筛法在不同粒级土团中获得的0.1～0.25mm粒级的土团主导土壤的磁化率,各组分土团中大于0.1mm的组分磁化率与粒径呈反相关,小于0.1mm的组分磁化率与粒径呈正相关。土壤比重、土壤总孔隙度、崩解速率等均与土壤磁化率呈负相关,且土壤崩解速率与土壤磁化率呈极显著负相关;土壤磁化率与容重、粒径小于0.25mm的水稳性团粒组分和大于0.05mm的机械组分含量呈显著正相关。坡面土壤侵蚀导致坡面物质发生再分布,使得土壤颗粒组成、容重、比重、孔隙度等土壤物理性质发生变化,进而使得坡面不同空间部位土壤磁化率出现差异。
|
| 关 键 词： | 坡面 土壤物理性质 土壤磁化率 |
Mechanism of Slop Soil Eroded Susceptibility Change |
| |
| Authors: | DONGYuan-jie MAYu-zeng CHEWei-feng SHIYan-xi |
| |
| Abstract: | The relationship between soil susceptibility and the soil physical and chemical characteristics was studied. The results showed that the content of soil grain size (0.1~0.25 mm) was positive correlation with soil susceptibility, which means the soil size |
| |
| Keywords: | Slope Soil physical characters Soil susceptibility |
|
| 点击此处可从《计算机科学》浏览原始摘要信息 |
|
点击此处可从《计算机科学》下载全文 |
