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黄土区农草混合利用坡面土壤水分空间变异性(Spatial Variability of Soil Water Content on a Cropland-grassland Mixed Slope Land in the Loess Plateau, China)
土壤水分 农草混合结构 空间变异性
2010/12/29
通过对黄土区农草混合利用坡面的土壤水分分析,研究土地利用结构对土壤水分空间变异特性的影响。结果表明,研究区坡面土壤水分呈中等变异,且农草混合利用结构明显增加了土壤水分的空间变异强度,坡面土壤水分具有明显空间结构性。干湿条件下坡面0~60cm土层平均含水率的半方差最优理论模型分别为高斯模型和球状模型,且干旱条件较湿润条件下保持较高的基台值和变程,而块金值/基台值相对较低。Kriging插值结果显示...
Calibration and Simultaneous Monitoring of Soil Water Content and Salinity with Capacitance and Four-electrode Probes
Dielectric probe four-electrode probe calibration salinity water content
2009/2/5
Non-destructive monitoring of soil water content (W) and the electrical conductivity of the soil solution (ECw) has been desired for environmental evaluation and sustainable agriculture. Dielectric pr...