Stable oxygen isotope variations in rain, snow and streamwaters at the Schluchsee and Villingen sites in the Black Forest, SW Germany

Neal, Margaret; Neal, Colin; Brahmer, G.

doi:10.1016/s0022-1694(96)03065-x

Cited by 9 publications

(4 citation statements)

References 12 publications

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“…This unrealistic finding might point to a two-component stormflow generation pattern for event B, because no clear fluctuations in isotopic composition of streamwater occurred during the event. Missing isotopic evidence of rainfall input in runoff is also reported for several stormflow situations of a nearby basin (Neal et al, 1997), where a contribution of direct rainfall to stream stormflow is questioned. Moreover, the actual recession analysis of the preceding event A (Figure 3a) displays an incomplete depletion of the 'fast reacting reservoir'.…”

Section: The Tracer Approach: Mixing Analysis and Hydrograph Separationmentioning

confidence: 94%

Investigating mechanisms of stormflow generation by natural tracers and hydrometric data: a small catchment study in the Black Forest, Germany

Hangen

Lindenlaub

Leibundgut

et al. 2001

Hydrological Processes

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Abstract:The importance and interaction of various hydrological pathways and identification of runoff source areas involved in solute transport are still under considerable debate in catchment hydrology. To reveal stormflow generating areas and flow paths, hydrometric behaviour of throughfall, soil water from various depths, runoff, and respective concentrations of the environmental tracers 18 O, Si, K, SO 4 and dissolved organic carbon were monitored for a 14-week period in a steep headwater catchment in the Black Forest Mountains, Germany.Two stormflow hydrographs were selected and, based on 18 O and Si, chemically separated into three flow components. Their sources were defined using mixing diagrams. Additional information about stormflow generating mechanisms was derived from recession analyses of the basin's complete 5-year hydrograph record. By providing insight into storage properties and residence times of outflowing reservoirs of the basin, recession analysis proved to be a valuable tool in runoff model conceptualization. Its results agreed well with hydrometric and hydrochemical data. Supported by evaluation of 30 hillslope soil profiles a coherent concept of stormflow generation could be derived: whereas in many steeply sloped basins in the temperate region soil water from hillslopes appears to have an immediate effect on the shape of the stormflow hydrograph, its role at this basin is basically restricted to the recharge of the groundwater reservoir in the near-channel area. Storm hydrograph peaks appear to be derived from a small direct runoff component supplemented by a fast delivery of baseflow from the groundwater reservoir in the valley bottom.

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Section: The Tracer Approach: Mixing Analysis and Hydrograph Separationmentioning

confidence: 94%

Investigating mechanisms of stormflow generation by natural tracers and hydrometric data: a small catchment study in the Black Forest, Germany

Hangen

Lindenlaub

Leibundgut

et al. 2001

Hydrological Processes

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“…The variation in the water stable isotopes, such as δ 18 O and δ 2 H, is widely used as environmental tracers in studying hydrological processes (Buttle, ) because they move with the water itself. For example, oxgen‐18 and deuterium are used for evaluating the source of water (Cooper et al ., ; McDonnell et al ., ; Neal et al ., ) and understanding the interaction between surface water and groundwater (Sear et al ., ; Harvey and Welker, ; Woessner, ; Lambs, ; Akiyama et al ., ) by using the change in isotopic composition due to evaporation or mixing by the different waters.…”

Section: Introductionmentioning

confidence: 99%

Temporal and spatial variation of water stable isotopes (¹⁸O and²H) in the Kaidu River basin, Northwestern China

Wang

Chen

2012

Hydrol. Process.

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Water resources are the most critical factors to ecology and society in arid basins, such as Kaidu River basin. Isotope technique was convenient to trace this process and reveal the influence from the environment. In this paper, we try to investigate the temporal and spatial characteristics in stable isotope (18O and 2H) of surface water and groundwater in Kaidu River. Through the water stable isotope composition measurement, spatial and temporal characteristics of deuterium (δ2H) and oxygen 18 (δ18O) were analysed. It is revealed that (1) comparing the stream water line with the groundwater line and local meteorological water line of Urumqi City, it is found that the contribution of precipitation to surface water in stream runoff is the main source, whereas the surface water is the main source of groundwater. Groundwater is mainly drainage of surface runoff in the river; (2) in the main stream of Kaidu River, the spatial variability of river water showed a ‘heavier‐lighter‐heavier’ change along with the main stream for δ18O, and temporal variability showed higher in summer and lower in winter; (3) the δ18O and δ2H values of groundwater samples ranged from −11.36 to −7.97‰ and −73.45 to −60.05‰, respectively. There is an increasing trend of isotopic values along the groundwater flow path. The seasonal fluctuation of δ18O is not clear in most samples. Copyright © 2012 John Wiley & Sons, Ltd.

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“…Such hypotheses are often based on hydrometric and/or hydrochemical observations, and in many cases isotope studies have led to the enhancement or revision of conceptual models of catchment hydrology, even in catchments that were thought to be well-understood (Hooper and Shoemaker, 1986;Neal and Rosier, 1990;McDonnell et al, 1991McDonnell et al, , 1998Hooper et al, 1998). Many applications of isotope hydrology relate to short-term studies over individual storm events, which attempt to establish the relative importance of various hydrological pathways Copyright # 2000 John Wiley & Sons, Ltd. contributing to the storm runo response (Hooper and Shoemaker, 1986;McDonnell et al, 1991;Buttle and Sami, 1992;Laundon and Slaymaker, 1997;M. Neal et al, 1997).…”

Section: Introductionmentioning

confidence: 99%

Isotope hydrology of the Allt a' Mharcaidh catchment, Cairngorms, Scotland: implications for hydrological pathways and residence times

et al. 2000

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Abstract:The O levels in various catchment waters provided a ®rst approximation of mean residence times in the major hydrological stores. Preliminary estimates are 0 . 2±0 . 8 years for near-surface soil water that contributes to storm runo and 2 and 45 years for shallow and deeper groundwater, respectively. These 18 O data sets provide further evidence that the in¯uence of groundwater on the hydrology and hydrochemistry of upland catchments has been underestimated.

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Stable oxygen isotope variations in rain, snow and streamwaters at the Schluchsee and Villingen sites in the Black Forest, SW Germany

Cited by 9 publications

References 12 publications

Investigating mechanisms of stormflow generation by natural tracers and hydrometric data: a small catchment study in the Black Forest, Germany

Investigating mechanisms of stormflow generation by natural tracers and hydrometric data: a small catchment study in the Black Forest, Germany

Temporal and spatial variation of water stable isotopes (¹⁸O and²H) in the Kaidu River basin, Northwestern China

Isotope hydrology of the Allt a' Mharcaidh catchment, Cairngorms, Scotland: implications for hydrological pathways and residence times

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Stable oxygen isotope variations in rain, snow and streamwaters at the Schluchsee and Villingen sites in the Black Forest, SW Germany

Cited by 9 publications

References 12 publications

Investigating mechanisms of stormflow generation by natural tracers and hydrometric data: a small catchment study in the Black Forest, Germany

Investigating mechanisms of stormflow generation by natural tracers and hydrometric data: a small catchment study in the Black Forest, Germany

Temporal and spatial variation of water stable isotopes (18O and2H) in the Kaidu River basin, Northwestern China

Isotope hydrology of the Allt a' Mharcaidh catchment, Cairngorms, Scotland: implications for hydrological pathways and residence times

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Temporal and spatial variation of water stable isotopes (¹⁸O and²H) in the Kaidu River basin, Northwestern China