Hydropedological investigations with ground-penetrating radar (GPR): Estimating water-table depths and local ground-water flow pattern in areas of coarse-textured soils
Hydropedological investigations with ground-penetrating radar (GPR): Estimating water-table depths and local ground-water flow pattern in areas of coarse-textured soils
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DOI：
10.1016/j.geoderma.2005.03.027
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发表时间：
2006-04
期刊：
影响因子：
6.1
通讯作者：
J. Doolittle;B. Jenkinson;D. Hopkins;Michael Ulmer;W. Tuttle
中科院分区：
文献类型：
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作者：
J. Doolittle;B. Jenkinson;D. Hopkins;Michael Ulmer;W. Tuttle
在质地粗糙的土壤中，探地雷达(GPR)可以提供连续的、高分辨率的记录，绘制地下水位的深度图。利用这一信息可以增加对水文土壤学场地评估的信心，并减少确定地下水位深度和地下水流量所需的井的数量。探地雷达被用来绘制位于印第安纳州西北部风沙景观下的无承压含水层内地下水位深度和地下水流动模式的空间和时间变化。与在有限数量的井上收集的数据相比，探地雷达的观测次数越多，就提供了更全面的现场覆盖范围，并绘制了更复杂的当地地下水流动模式。在两年的时间里，探地雷达揭示了地下水位深度和当地地下水流动模式的系统的时空变化。
In coarse-textured soils, ground-penetrating radar (GPR) can provide continuous, high-resolution records that chart the depth to water tables. The use of this information can increase confidence in hydropedological site assessments and reduce the number of wells needed for water-table depth and ground-water flow determinations. Ground-penetrating radar was used to map spatial and temporal variations in water-table depths and ground-water flow patterns within an unconfined aquifer located beneath an eolian landscape in northwestern Indiana. Compared with the data collected at a limited number of wells, the greater number of observations with GPR provided more comprehensive site coverage and mapped more intricate local ground-water flow patterns. Over a 2-year period, GPR revealed systematic temporal and spatial variations in water-table depths and local ground-water flow patterns.