Derivation of Soil Properties Using a Soil Land Inference Model (SoLIM)
Derivation of Soil Properties Using a Soil Land Inference Model (SoLIM)
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DOI：
10.2136/sssaj1997.03615995006100020022x
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发表时间：
1997
影响因子：
2.9
通讯作者：
A. Zhu;L. Band;R. Vertessy;Barry Dutton
中科院分区：
文献类型：
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作者：
A. Zhu;L. Band;R. Vertessy;Barry Dutton
索利姆（Soil Land Inference Model）是一种用于估计和表示景观中土壤类型空间分布的模糊推理模型。本研究借由两个案例的研究，进一步发展推论方法，以推导出连续的土壤性质图。第一个例子说明了推导土壤A层深度在蒙大拿州西部山区。结果发现，推断的深度是一个更接近于观察深度比那些来自传统的土壤图在空间和属性水平。第二个案例显示了在澳大利亚新南威尔士州图穆特的一个小流域的土壤transmittance值的推导过程，该流域的环境变化很小。该实例表明，所得到的土壤透光率图与小面积系统野外调查的结果具有可比性。索利姆在对土壤及其形成环境之间的关系有很好理解的地区工作得很好，并且可以使用当前的地理信息系统技术来描述土壤形成环境。然而，我们遇到了困难的方法，当它被应用在一个地区的环境梯度是温和的，土壤形成的环境不能很好地描述使用原始的环境指标目前在索利姆。
SoLIM (Soil Land Inference Model) is a fuzzy inference scheme for estimating and representing the spatial distribution of soil types in a landscape. This study developed the inference method a step further to derive continuous soil property maps through two case studies. The first case illustrates the derivation of soil A horizon depth in a mountainous area in western Montana. It was found that the inferred depths are a closer fit to observed depths than those derived from the conventional soil map at both spatial and attribute levels. The second case shows the derivation of soil transmissivity values across a small catchment with a gentle environmental variation in Tumut, NSW, Australia. This case shows that the derived soil transmissivity map is comparable to the results from systematic field survey over a small area. SoLIM works well in an area where there is a good understanding of the relationships between soils and their formative environment and where the soil formative environment can be characterised using current geographical information system techniques. However, we experienced difficulty with the methodology when it was applied in an area where the environmental gradient is gentle and the soil formative environment cannot be very well described using the primitive environmental indices currently employed in SoLIM.