The spatial variability of soil properties is the basis of decision-making in agricultural management and environmental protection,and it is also of great significance in scientific decision-making to utilize limited sample data to obtain detailed spatial information of soil properties.
土壤属性的空间变异性是农业和环保决策的重要依据,研究如何利用有限的样本数据来获得更为详尽的土壤属性空间分布信息对于科学决策具有重要意义。
Analysis and forecast on the spatial distribution and dynamics of soil properties is an important element of sustainable land management.
在横山县朱家沟小流域采集111个样点,分析土壤属性与地形因子相互关系,进行空间预测分析。
Affected by the nature and human factors, soil property is non- homogeneous in the spatial distribution, that is spatial variability of soil property.
改进空间插值方法，以较少的样点来尽可能地反映出一定区域土壤属性信息的空间变异规律，就成为当前研究的一个热点。
The interpolation method was used to make the soil grain size conversion,and the soil water characteristics were estimated by the SPAW program to build up soil property database.
采用插值方法对土壤粒径进行转换,并利用SPAW程序估算土壤水特性参数,建立了SWAT模型土壤属性库。