GSTDTAP  > 资源环境科学
DOI10.1029/2018WR024171
Estimation of the Variation in Specific Discharge Over Large Depth Using Distributed Temperature Sensing (DTS) Measurements of the Heat Pulse Response
des Tombe, Bas F.1; Bakker, Mark1; Smits, Frank1,2; Schaars, Frans3; van der Made, Kees-Jan4
2019
发表期刊WATER RESOURCES RESEARCH
ISSN0043-1397
EISSN1944-7973
出版年2019
卷号55期号:1页码:811-826
文章类型Article
语种英语
国家Netherlands
英文摘要

An approach is presented to determine groundwater flow in unconsolidated aquifers with a heat pulse response test using a heating cable and a fiber-optic cable. The cables are installed together using direct push so that the cables are in direct contact with the aquifer. The temperature response is measured for multiple days along the fiber-optic cable with Distributed Temperature Sensing (DTS). The new approach fits a two-dimensional analytical solution to the temperature measurements, so that the specific discharge can be estimated without knowledge of the position of the fiber-optic cable relative to the heating cable. Two case studies are presented. The first case study is at a managed aquifer recharge system where fiber-optic cables are inserted 15m deep at various locations to test the fitting procedure. Similar and relatively large specific discharges are found at the different locations with little vertical variation (0.4-0.6m/day). The second case study is at a polder, where the water level is maintained 2m below the surrounding lakes, resulting in significant groundwater flow. The heating and fiber-optic cables are inserted to a depth of 45m. The specific discharge varies 0.07-0.1m/day and is significantly larger in a thin layer at 30-m depth. It is shown with numerical experiments that the estimated specific discharge is smoother than in reality due to vertical conduction, but the peak specific discharge is estimated correctly for layers thicker than similar to 1.5m.


领域资源环境
收录类别SCI-E
WOS记录号WOS:000459536500043
WOS关键词SOIL-WATER FLUX ; GROUNDWATER-FLOW ; THERMAL DISPERSION ; TESTS ; TIME ; CAPACITY ; SYSTEMS
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/21971
专题资源环境科学
作者单位1.Delft Univ Technol, Water Resources Sect, Fac Civil Engn & Geosci, Delft, Netherlands;
2.Waternet, Amsterdam, Netherlands;
3.Artesia, Schoonhoven, Netherlands;
4.Wiertsema & Partners, Tolbert, Netherlands
推荐引用方式
GB/T 7714
des Tombe, Bas F.,Bakker, Mark,Smits, Frank,et al. Estimation of the Variation in Specific Discharge Over Large Depth Using Distributed Temperature Sensing (DTS) Measurements of the Heat Pulse Response[J]. WATER RESOURCES RESEARCH,2019,55(1):811-826.
APA des Tombe, Bas F.,Bakker, Mark,Smits, Frank,Schaars, Frans,&van der Made, Kees-Jan.(2019).Estimation of the Variation in Specific Discharge Over Large Depth Using Distributed Temperature Sensing (DTS) Measurements of the Heat Pulse Response.WATER RESOURCES RESEARCH,55(1),811-826.
MLA des Tombe, Bas F.,et al."Estimation of the Variation in Specific Discharge Over Large Depth Using Distributed Temperature Sensing (DTS) Measurements of the Heat Pulse Response".WATER RESOURCES RESEARCH 55.1(2019):811-826.
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