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引用次数: 11
描述风蚀事件期间粉尘浓度的基于源的模型:初步研究
风蚀在澳大利亚内陆是一个大范围的过程。当条件有利于风蚀时,沙尘暴可以在大陆的大片地区携带细小的沉积物;然而,更仔细的研究表明,尘源区域往往在空间上是离散的。这些来源携带的细沉积物以尘羽的形式输送,尘羽可能在顺风的某个点聚集。澳大利亚目前使用的数学模型无法描述烟羽内浓度的空间变化,也无法描述不同土地类型对产生的烟羽的影响(即,它们无法描述当地环境条件的变化对尘羽的影响)。DUSTRAN,这里描述的模型,试图克服这些问题。
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