Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1002/2017GL076015 |
Tracking the Subsurface Signal of Decadal Climate Warming to Quantify Vertical Groundwater Flow Rates | |
Bense, V. F.1; Kurylyk, B. L.2 | |
2017-12-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS |
ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2017 |
卷号 | 44期号:24 |
文章类型 | Article |
语种 | 英语 |
国家 | Netherlands; Canada |
英文摘要 | Sustained ground surface warming on a decadal time scale leads to an inversion of thermal gradients in the upper tens of meters. The magnitude and direction of vertical groundwater flow should influence the propagation of this warming signal, but direct field observations of this phenomenon are rare. Comparison of temperature-depth profiles in boreholes in the Veluwe area, Netherlands, collected in 1978-1982 and 2016 provided such direct measurement. We used these repeated profiles to track the downward propagation rate of the depth at which the thermal gradient is zero. Numerical modeling of the migration of this thermal gradient inflection point yielded estimates of downward groundwater flow rates (0-0.24ma(-1)) that generally concurred with known hydrogeological conditions in the area. We conclude that analysis of inflection point depths in temperature-depth profiles impacted by surface warming provides a largely untapped opportunity to inform sustainable groundwater management plans that rely on accurate estimates of long-term vertical groundwater fluxes. |
英文关键词 | hydrogeology climate warming groundwater tracer heat flow |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000422954700028 |
WOS关键词 | TEMPERATURE-DEPTH PROFILES ; SHALLOW ; VARIABILITY ; RECHARGE ; FLUXES ; HEAT ; LOGS |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
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/26257 |
专题 | 气候变化 |
作者单位 | 1.Wageningen Univ, Dept Environm Sci, Wageningen, Netherlands; 2.Dalhousie Univ, Dept Civil & Resource Engn, Halifax, NS, Canada |
推荐引用方式 GB/T 7714 | Bense, V. F.,Kurylyk, B. L.. Tracking the Subsurface Signal of Decadal Climate Warming to Quantify Vertical Groundwater Flow Rates[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(24). |
APA | Bense, V. F.,&Kurylyk, B. L..(2017).Tracking the Subsurface Signal of Decadal Climate Warming to Quantify Vertical Groundwater Flow Rates.GEOPHYSICAL RESEARCH LETTERS,44(24). |
MLA | Bense, V. F.,et al."Tracking the Subsurface Signal of Decadal Climate Warming to Quantify Vertical Groundwater Flow Rates".GEOPHYSICAL RESEARCH LETTERS 44.24(2017). |
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