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Quantifying the differential contributions of deep groundwater to streamflow in nested basins, using both water quality characteristics and water balance

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Quantifying the differential contributions of deep groundwater to streamflow in nested basins, using both water quality characteristics and water balance. / Ockenden, Mary; Chappell, Nick; Neal, Colin.
In: Hydrology Research, Vol. 45, No. 2, 04.2014, p. 200-212.

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@article{92a4579beb774ba28353927731d329d3,
title = "Quantifying the differential contributions of deep groundwater to streamflow in nested basins, using both water quality characteristics and water balance",
abstract = "This paper describes use of a hydro-chemical mixing model and a water budget to investigate the presence of deep runoff pathways in two small, nested sub-catchments of the Eden basin, UK (8.8 km2 Blind Beck and 1.0 km2 Low Hall stream). A linear relationship between bicarbonate concentration and electrical conductivity was used in a two-component mixing model. End-members were identified as a high-solute, deep groundwater and a low-solute, soil-water. The mixing model indicated 69% ±10% deep groundwater in Low Hall for September–December 2008 and 46% ±8% in Blind Beck for the same period. The water budget also indicated more deep groundwater in Low Hall stream. These results were consistent with the findings of rainfall–runoff models which also indicated the presence of high storage, deeper pathways.",
keywords = "bicarbonate, Eden catchment , electrical conductivity , end-member mixing , hydrological pathway , interbasin groundwater flow",
author = "Mary Ockenden and Nick Chappell and Colin Neal",
year = "2014",
month = apr,
doi = "10.2166/nh.2013.035",
language = "English",
volume = "45",
pages = "200--212",
journal = "Hydrology Research",
issn = "0029-1277",
publisher = "Nordic Association for Hydrology",
number = "2",

}

RIS

TY - JOUR

T1 - Quantifying the differential contributions of deep groundwater to streamflow in nested basins, using both water quality characteristics and water balance

AU - Ockenden, Mary

AU - Chappell, Nick

AU - Neal, Colin

PY - 2014/4

Y1 - 2014/4

N2 - This paper describes use of a hydro-chemical mixing model and a water budget to investigate the presence of deep runoff pathways in two small, nested sub-catchments of the Eden basin, UK (8.8 km2 Blind Beck and 1.0 km2 Low Hall stream). A linear relationship between bicarbonate concentration and electrical conductivity was used in a two-component mixing model. End-members were identified as a high-solute, deep groundwater and a low-solute, soil-water. The mixing model indicated 69% ±10% deep groundwater in Low Hall for September–December 2008 and 46% ±8% in Blind Beck for the same period. The water budget also indicated more deep groundwater in Low Hall stream. These results were consistent with the findings of rainfall–runoff models which also indicated the presence of high storage, deeper pathways.

AB - This paper describes use of a hydro-chemical mixing model and a water budget to investigate the presence of deep runoff pathways in two small, nested sub-catchments of the Eden basin, UK (8.8 km2 Blind Beck and 1.0 km2 Low Hall stream). A linear relationship between bicarbonate concentration and electrical conductivity was used in a two-component mixing model. End-members were identified as a high-solute, deep groundwater and a low-solute, soil-water. The mixing model indicated 69% ±10% deep groundwater in Low Hall for September–December 2008 and 46% ±8% in Blind Beck for the same period. The water budget also indicated more deep groundwater in Low Hall stream. These results were consistent with the findings of rainfall–runoff models which also indicated the presence of high storage, deeper pathways.

KW - bicarbonate

KW - Eden catchment

KW - electrical conductivity

KW - end-member mixing

KW - hydrological pathway

KW - interbasin groundwater flow

U2 - 10.2166/nh.2013.035

DO - 10.2166/nh.2013.035

M3 - Journal article

VL - 45

SP - 200

EP - 212

JO - Hydrology Research

JF - Hydrology Research

SN - 0029-1277

IS - 2

ER -