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DOI | 10.1029/2018WR023580 |
Confirmation of a Short-Time Expression for the Hydrograph Rising Limb of an Initially Dry Aquifer Using Laboratory Hillslope Outflow Experiments | |
Pauwels, Valentijn R. N.1; Uijlenhoet, Remko2 | |
2018-12-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2018 |
卷号 | 54期号:12页码:10350-10361 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia; Netherlands |
英文摘要 | The objective of this study is to assess the validity of a theoretical expression for the outflow from an initially dry aquifer subject to recharge. This equation states that, for small values of time, this outflow is proportional to the square root of time. Here we report on experiments performed with two laboratory hillslopes in the Wageningen rainfall simulator. Three different aquifer slopes were investigated with four replicates for each slope. The relations between the measured outflows and the square root of time exhibited very high coefficients of determination (all but one >0.9). The aquifer saturated hydraulic conductivity (k) and drainable porosity were determined using a base flow recession analysis, with k being consistent with soil physical laboratory measurements. The recharge rates obtained using the coefficient of the short-time expression and the steady state discharge were consistent as well. Overall, these results confirm the theoretical relationship between the aquifer outflow for the hydrograph rising limb and the square root of time. Plain Language Summary A series of laboratory experiments have been performed to validate an expression for the outflow rate from an initially dry aquifer that is being replenished. It has been found that the expression is correct. |
英文关键词 | groundwater flow recharge modeling |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000456949300019 |
WOS关键词 | DROUGHT FLOW ; HYDRAULIC CONDUCTIVITY ; COMPLEX HILLSLOPES ; GROUNDWATER-FLOW ; DRAINAGE ; RAINFALL ; EQUATION ; MODELS |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/20427 |
专题 | 资源环境科学 |
作者单位 | 1.Monash Univ, Dept Civil Engn, Clayton, Vic, Australia; 2.Wageningen Univ & Res, Hydrol & Quantitat Water Management Grp, Wageningen, Netherlands |
推荐引用方式 GB/T 7714 | Pauwels, Valentijn R. N.,Uijlenhoet, Remko. Confirmation of a Short-Time Expression for the Hydrograph Rising Limb of an Initially Dry Aquifer Using Laboratory Hillslope Outflow Experiments[J]. WATER RESOURCES RESEARCH,2018,54(12):10350-10361. |
APA | Pauwels, Valentijn R. N.,&Uijlenhoet, Remko.(2018).Confirmation of a Short-Time Expression for the Hydrograph Rising Limb of an Initially Dry Aquifer Using Laboratory Hillslope Outflow Experiments.WATER RESOURCES RESEARCH,54(12),10350-10361. |
MLA | Pauwels, Valentijn R. N.,et al."Confirmation of a Short-Time Expression for the Hydrograph Rising Limb of an Initially Dry Aquifer Using Laboratory Hillslope Outflow Experiments".WATER RESOURCES RESEARCH 54.12(2018):10350-10361. |
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