Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019WR025093 |
Depth- and Time-Resolved Distributions of Snowmelt-Driven Hillslope Subsurface Flow and Transport and Their Contributions to Surface Waters | |
Tokunaga, Tetsu K.1; Wan, Jiamin1; Williams, Kenneth H.1; Brown, Wendy2; Henderson, Amanda2; Kim, Yongman1; Tran, Anh Phuong1,3; Conrad, Mark E.1; Bill, Markus1; Carroll, Rosemary W. H.4; Dong, Wenming1; Xu, Zexuan1; Lavy, Adi5; Gilbert, Ben1; Romero, Sergio1,5; Christensen, John N.1; Faybishenko, Boris1; Arora, Bhavna1; Siirila-Woodburn, Erica R.1; Versteeg, Roelof6; Raberg, Jonathan H.1; Peterson, John E.1; Hubbard, Susan S.1 | |
2019-11-19 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2019 |
文章类型 | Article;Early Access |
语种 | 英语 |
国家 | USA; Vietnam |
英文摘要 | Major components of hydrologic and elemental cycles reside underground, where their complex dynamics and linkages to surface waters are obscure. We delineated seasonal subsurface flow and transport dynamics along a hillslope in the Rocky Mountains (USA), where precipitation occurs primarily as winter snow and drainage discharges into the East River, a tributary of the Gunnison River. Hydraulic and geochemical measurements down to 10 m below ground surface supported application of transmissivity feedback of snowmelt to describe subsurface flow and transport through three zones: soil, weathering shale, and saturated fractured shale. Groundwater flow is predicted to depths of at least 176 m, although a shallower limit exists if hillslope-scale hydraulic conductivities are higher than our local measurements. Snowmelt during the high snowpack water year 2017 sustained flow along the weathering zone and downslope within the soil, while negligible downslope flow occurred along the soil during the low snowpack water year 2018. We introduce subsurface concentration-discharge (C-Q) relations for explaining hillslope contributions to C-Q observed in rivers and demonstrate their calculations based on transmissivity fluxes and measured pore water specific conductance and dissolved organic carbon. The specific conductance data show that major ions in the hillslope pore waters, primarily from the weathering and fractured shale, are about six times more concentrated than in the river, indicating hillslope solute loads are disproportionately high, while flow from this site and similar regions are relatively smaller. This methodology is applicable in different representative environments within snow-dominated watersheds for linking their subsurface exports to surface waters. |
英文关键词 | recharge hillslope transmissivity concentration-discharge groundwater snowmelt |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000497058100001 |
WOS关键词 | CONCENTRATION-DISCHARGE RELATIONSHIPS ; DISSOLVED ORGANIC-CARBON ; HYDRAULIC-HEAD PROFILES ; THEORETICAL-ANALYSIS ; GROUNDWATER-FLOW ; FORESTED HILLSLOPE ; PEAK DISCHARGE ; MANCOS SHALE ; EAST RIVER ; SOIL-WATER |
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/223908 |
专题 | 资源环境科学 |
作者单位 | 1.Lawrence Berkeley Natl Lab, Earth & Environm Sci Area, Berkeley, CA 94720 USA; 2.Rocky Mt Biol Labs, Crested Butte, CO USA; 3.Water Res Inst, Hanoi, Vietnam; 4.Desert Res Inst, Div Hydrol Sci, Reno, NV USA; 5.Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA; 6.Subsurface Insights, Hanover, NH USA |
推荐引用方式 GB/T 7714 | Tokunaga, Tetsu K.,Wan, Jiamin,Williams, Kenneth H.,et al. Depth- and Time-Resolved Distributions of Snowmelt-Driven Hillslope Subsurface Flow and Transport and Their Contributions to Surface Waters[J]. WATER RESOURCES RESEARCH,2019. |
APA | Tokunaga, Tetsu K..,Wan, Jiamin.,Williams, Kenneth H..,Brown, Wendy.,Henderson, Amanda.,...&Hubbard, Susan S..(2019).Depth- and Time-Resolved Distributions of Snowmelt-Driven Hillslope Subsurface Flow and Transport and Their Contributions to Surface Waters.WATER RESOURCES RESEARCH. |
MLA | Tokunaga, Tetsu K.,et al."Depth- and Time-Resolved Distributions of Snowmelt-Driven Hillslope Subsurface Flow and Transport and Their Contributions to Surface Waters".WATER RESOURCES RESEARCH (2019). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论