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DOI10.1002/2017WR021761
Predictability and Quantification of Complex Groundwater Table Dynamics Driven by Irregular Surface Water Fluctuations
Xin, Pei1; Wang, Shen S. J.2; Shen, Chengji1,3; Zhang, Zeyu1; Lu, Chunhui1; Li, Ling3
2018-03-01
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2018
卷号54期号:3页码:2436-2451
文章类型Article
语种英语
国家Peoples R China; Australia
英文摘要

Shallow groundwater interacts strongly with surface water across a quarter of global land area, affecting significantly the terrestrial eco-hydrology and biogeochemistry. We examined groundwater behavior subjected to unimodal impulse and irregular surface water fluctuations, combining physical experiments, numerical simulations, and functional data analysis. Both the experiments and numerical simulations demonstrated a damped and delayed response of groundwater table to surface water fluctuations. To quantify this hysteretic shallow groundwater behavior, we developed a regression model with the Gamma distribution functions adopted to account for the dependence of groundwater behavior on antecedent surface water conditions. The regression model fits and predicts well the groundwater table oscillations resulting from propagation of irregular surface water fluctuations in both laboratory and large-scale aquifers. The coefficients of the Gamma distribution function vary spatially, reflecting the hysteresis effect associated with increased amplitude damping and delay as the fluctuation propagates. The regression model, in a relatively simple functional form, has demonstrated its capacity of reproducing high-order nonlinear effects that underpin the surface water and groundwater interactions. The finding has important implications for understanding and predicting shallow groundwater behavior and associated biogeochemical processes, and will contribute broadly to studies of groundwater-dependent ecology and biogeochemistry.


英文关键词surface water-groundwater interaction hyporheic zone hysteresis dynamics physical experiment regression model
领域资源环境
收录类别SCI-E
WOS记录号WOS:000430364900055
WOS关键词HYPORHEIC ZONE ; HYDRAULIC CONDUCTIVITY ; RIVER STAGE ; FLOW ; DISCHARGE ; EXCHANGE ; AQUIFER ; SYSTEMS ; SOILS ; MARSH
WOS类目Environmental Sciences ; Limnology ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/21452
专题资源环境科学
作者单位1.Hohai Univ, State Key Lab Hydrol Water Resources & Hydraul En, Nanjing, Jiangsu, Peoples R China;
2.Univ Melbourne, Melbourne Sch Engn, Comp & Informat Syst Dept, Melbourne, Vic, Australia;
3.Univ Queensland, Sch Civil Engn, Brisbane, Qld, Australia
推荐引用方式
GB/T 7714
Xin, Pei,Wang, Shen S. J.,Shen, Chengji,et al. Predictability and Quantification of Complex Groundwater Table Dynamics Driven by Irregular Surface Water Fluctuations[J]. WATER RESOURCES RESEARCH,2018,54(3):2436-2451.
APA Xin, Pei,Wang, Shen S. J.,Shen, Chengji,Zhang, Zeyu,Lu, Chunhui,&Li, Ling.(2018).Predictability and Quantification of Complex Groundwater Table Dynamics Driven by Irregular Surface Water Fluctuations.WATER RESOURCES RESEARCH,54(3),2436-2451.
MLA Xin, Pei,et al."Predictability and Quantification of Complex Groundwater Table Dynamics Driven by Irregular Surface Water Fluctuations".WATER RESOURCES RESEARCH 54.3(2018):2436-2451.
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