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Volumn 8, Issue 3, 2004, Pages 521-532

The water quality functioning of the upper River Severn, Plynlimon, mid-Wales: Issues of monitoring, process understanding and forestry

Author keywords

Acidity; Forestry; Fractals; Nutrients; Plynlimon; River Severn; Trace elements; Trace metals

Indexed keywords

ACIDIFICATION; FORESTRY; HYDROCHEMISTRY; TRACE METAL; WATER QUALITY;

EID: 8644243198     PISSN: 10275606     EISSN: None     Source Type: Journal    
DOI: 10.5194/hess-8-521-2004     Document Type: Article
Times cited : (20)

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    • Neal, C.1    Neal, M.2    Ryland, G.P.3    Jeffery, H.A.4    Harrow, M.5    Hill, S.6    Smith, C.J.7
  • 56
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    • Dissolved chromium pollution in rainfall and surface waters in Mid-Wales during the mid 1980s
    • Neal, C., Smith, C.J., Jeffery: H.A., Harrow, M.L. and Neal, M., 1996. Dissolved chromium pollution in rainfall and surface waters in Mid-Wales during the mid 1980s. Sci. Total Environ., 188, 127-138.
    • (1996) Sci. Total Environ. , vol.188 , pp. 127-138
    • Neal, C.1    Smith, C.J.2    Jeffery, H.A.3    Harrow, M.L.4    Neal, M.5
  • 59
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    • Stream water quality in acid sensitive UK upland areas, an example of potential water quality remediation based on groundwater manipulation
    • Neal, C., Hill, T., Alexander, S., Reynolds, B., Hill, S., Dixon, A.J., Harrow, M.L., Neal, M. and Smith, C.J., 1997c. Stream water quality in acid sensitive UK upland areas, an example of potential water quality remediation based on groundwater manipulation. Hydrol. Earth Syst. Sci., 1, 185-196.
    • (1997) Hydrol. Earth Syst. Sci. , vol.1 , pp. 185-196
    • Neal, C.1    Hill, T.2    Alexander, S.3    Reynolds, B.4    Hill, S.5    Dixon, A.J.6    Harrow, M.L.7    Neal, M.8    Smith, C.J.9
  • 60
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    • Acid neutralization capacity measurements in surface and ground waters in the Upper River Severn, Plynlimon: From hydrograph splitting to water flow pathways
    • Neal, C., Hill, T., Hill, S. and Reynolds, B., 1997d. Acid neutralization capacity measurements in surface and ground waters in the Upper River Severn, Plynlimon: from hydrograph splitting to water flow pathways. Hydrol. Earth Syst. Sci., 1, 687-696.
    • (1997) Hydrol. Earth Syst. Sci. , vol.1 , pp. 687-696
    • Neal, C.1    Hill, T.2    Hill, S.3    Reynolds, B.4
  • 61
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    • Towards coupling hydrological, soil and weathering processes within a modelling perspective
    • (ed. by O.M. Saether and P. de Caritat), Balkema, Rotterdam, The Netherlands
    • Neal, C., Robson, A.J. and Christophersen, N., 1997e. Towards coupling hydrological, soil and weathering processes within a modelling perspective, In: Geochemical Processes, Weathering and Groundwater Recharge in Catchments (ed. by O.M. Saether and P. de Caritat), Balkema, Rotterdam, The Netherlands. 329-380.
    • (1997) Geochemical Processes, Weathering and Groundwater Recharge in Catchments , pp. 329-380
    • Neal, C.1    Robson, A.J.2    Christophersen, N.3
  • 62
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    • Analysis of the impacts of major anion variations on surface water acidity particularly with regard to conifer harvesting: Case studies from Wales and Northern England
    • Neal, C., Reynolds, B., Adamson, J.K., Stevens, P.A., Neal, M., Harrow, M., and Hill, S., 1998a. Analysis of the impacts of major anion variations on surface water acidity particularly with regard to conifer harvesting: case studies from Wales and Northern England. Hydrol. Earth Syst. Sci., 2, 303-322.
    • (1998) Hydrol. Earth Syst. Sci. , vol.2 , pp. 303-322
    • Neal, C.1    Reynolds, B.2    Adamson, J.K.3    Stevens, P.A.4    Neal, M.5    Harrow, M.6    Hill, S.7
  • 64
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    • Long term changes in the water quality of rainfall, cloud-water and stream water for moorland, forested and clear-felled catchments at Plynlimon, mid-Wales
    • Neal, C., Reynolds, B., Neal, M., Pugh, B., Hill, L. and Wickham, H., 2001. Long term changes in the water quality of rainfall, cloud-water and stream water for moorland, forested and clear-felled catchments at Plynlimon, mid-Wales. Hydrol. Earth Syst. Sci., 5, 459-476.
    • (2001) Hydrol. Earth Syst. Sci. , vol.5 , pp. 459-476
    • Neal, C.1    Reynolds, B.2    Neal, M.3    Pugh, B.4    Hill, L.5    Wickham, H.6
  • 65
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    • Soluble reactive phosphorus levels in rainfall, cloud water, throughfall, stemflow, soil waters, stream waters and groundwaters for the Upper River Severn area, Plynlimon, mid Wates
    • in press
    • Neal C., Reynolds, B., Neal, M., Hughes, S., Wickham, H., Hill, L., Rowland, P. and Pugh, B., 2003a. Soluble reactive phosphorus levels in rainfall, cloud water, throughfall, stemflow, soil waters, stream waters and groundwaters for the Upper River Severn area, Plynlimon, mid Wates. Sci. Total Environ., in press.
    • (2003) Sci. Total Environ.
    • Neal, C.1    Reynolds, B.2    Neal, M.3    Hughes, S.4    Wickham, H.5    Hill, L.6    Rowland, P.7    Pugh, B.8
  • 66
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    • Nitrogen in rainfall, cloud water, throughfall, stemflow, stream water and groundwater for the Plynlimon catchments of mid-Wales
    • in press
    • Neal, C., Reynolds, B., Neal, M., Hill, L., Wickham, H.. and Pugh, B., 2003b. Nitrogen in rainfall, cloud water, throughfall, stemflow, stream water and groundwater for the Plynlimon catchments of mid-Wales. Sci. Total Eviron., in press.
    • (2003) Sci. Total Eviron.
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  • 67
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    • The Impact of Conifer Harvesting on Stream Water Quality: A Case Study in Mid-Wales
    • Neal, C., Reynolds, B., Neal, M., Wickham, H., Hill, L. and Pugh, B., 2003c. The Impact of Conifer Harvesting on Stream Water Quality: A Case Study in Mid-Wales. Water Air Soil Pollut. Focus, 3, 119-138.
    • (2003) Water Air Soil Pollut. Focus , vol.3 , pp. 119-138
    • Neal, C.1    Reynolds, B.2    Neal, M.3    Wickham, H.4    Hill, L.5    Pugh, B.6
  • 68
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    • The impact of conifer harvesting on stream water quality: The Afon Hafren, mid-Wales
    • Neal, C., Reynolds, B., Neal, M., Wickham, H., Hill, L. and Williams, B., 2004a. The impact of conifer harvesting on stream water quality: the Afon Hafren, mid-Wales. Hydrol. Earth Syst. Sci., 8, 503-520.
    • (2004) Hydrol. Earth Syst. Sci. , vol.8 , pp. 503-520
    • Neal, C.1    Reynolds, B.2    Neal, M.3    Wickham, H.4    Hill, L.5    Williams, B.6
  • 69
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    • The water quality of streams draining a plantation forest on gley soils: The Nant Tanllwyth, Plynlimon mid-Wales
    • Neal, C., Reynolds, B., Neal, M., Wickham, H., Hill, L. and Williams, B., 2004b. The water quality of streams draining a plantation forest on gley soils: the Nant Tanllwyth, Plynlimon mid-Wales. Hydrol Earth Syst. Sci., 8, 485-502.
    • (2004) Hydrol Earth Syst. Sci. , vol.8 , pp. 485-502
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  • 70
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    • The hydrochemistry of plantation spruce forest catchments with brown earth soils. Vyrnwy in mid-Wales
    • Neal, C., Reynolds, B., Neal, M., Wickham, H., Hill, L. and Williams, B., 2004c. The hydrochemistry of plantation spruce forest catchments with brown earth soils. Vyrnwy in mid-Wales. Hydrol. Earth Syst. Sci., 8, 460-484.
    • (2004) Hydrol. Earth Syst. Sci. , vol.8 , pp. 460-484
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  • 71
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    • The physiography, deposits and vegetation of the Plynlimon catchments
    • Wallingford, UK
    • Newson, M.D. 1976. The physiography, deposits and vegetation of the Plynlimon catchments. Institute of Hydrology Report no. 30. Wallingford, UK, 188pp.
    • (1976) Institute of Hydrology Report No. 30 , pp. 188
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  • 72
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    • T.H.Y. Tebbutt, (Ed.), Elsevier, London
    • Newson, M.D., 1985. Twenty years of catchment process studies: what have we taught the Engineers? In: Advances in water engineering, T.H.Y. Tebbutt, (Ed.), Elsevier, London. 39-46.
    • (1985) Advances in Water Engineering , pp. 39-46
    • Newson, M.D.1
  • 73
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    • Transport processes at the catchment scale: A regional study of increasing sediment yield and its effects in mid-Wales
    • C.R. Thorne, J.C. Bathurst, and R. Hey (Eds,) Wiley, Chichester, UK
    • Newson, M.D. and Leeks, G.J.L., 1987. Transport processes at the catchment scale: a regional study of increasing sediment yield and its effects in mid-Wales. In: Sediment transport in gravel bed rivers C.R. Thorne, J.C. Bathurst, and R. Hey (Eds,) Wiley, Chichester, UK. 187-224.
    • (1987) Sediment Transport in Gravel Bed Rivers , pp. 187-224
    • Newson, M.D.1    Leeks, G.J.L.2
  • 74
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    • The chemical composition of snow at a rural upland site in mid-Wales
    • Reynolds, B., 1983. The chemical composition of snow at a rural upland site in mid-Wales. Atmos. Environ., 17, 1849-1851.
    • (1983) Atmos. Environ. , vol.17 , pp. 1849-1851
    • Reynolds, B.1
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    • An assessment of the spatial variation in the chemical composition of bulk precipitation within an upland catchment
    • Reynolds, B., 1984. An assessment of the spatial variation in the chemical composition of bulk precipitation within an upland catchment. Water Resour. Res., 20, 733-735.
    • (1984) Water Resour. Res. , vol.20 , pp. 733-735
    • Reynolds, B.1
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    • Baseflow buffering of stream water acidity in five mid-Wales catchments
    • Reynolds, B., Neal, C., Hornung, M and Stevens, P.A., 1986. Baseflow buffering of stream water acidity in five mid-Wales catchments. J. Hydrol., 87, 167-185.
    • (1986) J. Hydrol. , vol.87 , pp. 167-185
    • Reynolds, B.1    Neal, C.2    Hornung, M.3    Stevens, P.A.4
  • 77
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    • Impact of afforestation on the soil solution chemistry of stagnopodzols in Mid-Wales
    • Reynolds, B., Neal, C., Hornung, M., Hughes, S. and Stevens, P.A., 1988. Impact of afforestation on the soil solution chemistry of stagnopodzols in Mid-Wales. Water Air Soil Pollut., 38, 55-70.
    • (1988) Water Air Soil Pollut. , vol.38 , pp. 55-70
    • Reynolds, B.1    Neal, C.2    Hornung, M.3    Hughes, S.4    Stevens, P.A.5
  • 78
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    • Variations in streamwater nitrate concentrations and budgets over 10 years in a headwater catchment in mid-Wales
    • Reynolds, B., Emmett, B.A. and Woods, C., 1992. Variations in streamwater nitrate concentrations and budgets over 10 years in a headwater catchment in mid-Wales. J. Hydrol., 136, 155-175.
    • (1992) J. Hydrol. , vol.136 , pp. 155-175
    • Reynolds, B.1    Emmett, B.A.2    Woods, C.3
  • 80
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    • Atmospheric inputs and catchment solute fluxes for major ions in five Welsh upland catchments
    • Reynolds, B., Fowler, D., Smith, R.I. and Hall, J.R., 1997b. Atmospheric inputs and catchment solute fluxes for major ions in five Welsh upland catchments. J. Hydrol., 194, 305-329.
    • (1997) J. Hydrol. , vol.194 , pp. 305-329
    • Reynolds, B.1    Fowler, D.2    Smith, R.I.3    Hall, J.R.4
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    • The use of continuous measurement in understanding and modelling the hydrochemistry of the uplands
    • PhD thesis, University of Lancaster, UK
    • Robson, A.J., 1993. The use of continuous measurement in understanding and modelling the hydrochemistry of the uplands. PhD thesis, University of Lancaster, UK. 278pp.
    • (1993) , pp. 278
    • Robson, A.J.1
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    • Hydrograph separation using chemical techniques: An application to catchments in Mid-Wales
    • Robson, A.J. and Neal, C., 1990. Hydrograph separation using chemical techniques: An application to catchments in Mid-Wales. J. Hydrol., 116, 345-363.
    • (1990) J. Hydrol. , vol.116 , pp. 345-363
    • Robson, A.J.1    Neal, C.2
  • 83
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    • Chemical signals in an upland catchment in Mid-Wales - Some implications for water movement
    • Univ. Southampton, UK, 16-18 September
    • Robson, A.J. and Neal, C., 1991. Chemical signals in an upland catchment in Mid-Wales - some implications for water movement. Third National Hydrology Symposium, British Hydrol. Soc., Univ. Southampton, UK, 16-18 September; 3.17-3.24.
    • (1991) Third National Hydrology Symposium, British Hydrol. Soc.
    • Robson, A.J.1    Neal, C.2
  • 84
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    • Water quality trends at an upland Welsh site
    • Robson, A.J. and Neal, C., 1996. Water quality trends at an upland Welsh site. Hydrol. Process, 10, 183-203.
    • (1996) Hydrol. Process , vol.10 , pp. 183-203
    • Robson, A.J.1    Neal, C.2
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    • Spatial variations in throughfall chemistry at the small plot scale
    • Robson, A.J., Neal, C., Ryland, G.P. and Harrow, M., 1994. Spatial variations in throughfall chemistry at the small plot scale. J. Hydrol., 158, 107-122.
    • (1994) J. Hydrol. , vol.158 , pp. 107-122
    • Robson, A.J.1    Neal, C.2    Ryland, G.P.3    Harrow, M.4
  • 86
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    • Towards identifying sources of subsurface flow: A comparison of components identified by a physically-based runoff model and those determined by chemical mixing techniques
    • Robson, A., Beven, K. and Neal, C., 1992a. Towards identifying sources of subsurface flow: a comparison of components identified by a physically-based runoff model and those determined by chemical mixing techniques. Hydrol. Process, 6, 199-214.
    • (1992) Hydrol. Process , vol.6 , pp. 199-214
    • Robson, A.1    Beven, K.2    Neal, C.3
  • 87
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    • Short term variations in rain and stream water conductivity at a forested site in Mid-Wales -implications for water movement
    • Robson, A.J., Neal, C., Smith, C.J. and Hill, S., 1992b. Short term variations in rain and stream water conductivity at a forested site in Mid-Wales -implications for water movement. Sci. Total Environ., 119, 1-18.
    • (1992) Sci. Total Environ. , vol.119 , pp. 1-18
    • Robson, A.J.1    Neal, C.2    Smith, C.J.3    Hill, S.4
  • 88
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    • Linking variations in short- and medium-term stream chemistry to rainfall inputs - Some observations at Plynlimon, Mid-Wales
    • Robson, A.J., Neal, C., Hill, S. and Smith, C.J., 1993. Linking variations in short- and medium-term stream chemistry to rainfall inputs - some observations at Plynlimon, Mid-Wales. J. Hydrol., 144, 291-310.
    • (1993) J. Hydrol. , vol.144 , pp. 291-310
    • Robson, A.J.1    Neal, C.2    Hill, S.3    Smith, C.J.4
  • 89
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    • Linking mixing techniques to a hydrological framework - An upland application
    • (Ed. S. Trudgill), Wiley, Chichester, UK, Chapter
    • Robson, A.J., Neal, C. and Beven, K.J., 1995. Linking mixing techniques to a hydrological framework-an upland application. In Solute Processes in Catchment Systems (Ed. S. Trudgill), Wiley, Chichester, UK, Chapter 13, 347-369.
    • (1995) Solute Processes in Catchment Systems , vol.13 , pp. 347-369
    • Robson, A.J.1    Neal, C.2    Beven, K.J.3
  • 90
    • 0028184045 scopus 로고
    • Soil and stream water chemistry variations in acidic soils. Application of a cation exchange and mixing model at the catchment level
    • Taugbøl, G. and Neal, C., 1993. Soil and stream water chemistry variations in acidic soils. Application of a cation exchange and mixing model at the catchment level. Sci. Total Environ., 149, 83-95.
    • (1993) Sci. Total Environ. , vol.149 , pp. 83-95
    • Taugbøl, G.1    Neal, C.2
  • 91
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    • Major, Minor and trace element composition of cloud water and rain water at Plynlimon, Mid-Wales
    • Wilkinson, R.J., Reynolds, B., Neal, C., Hill, S., Neal, M. and Harrow, M.L., 1997. Major, Minor and trace element composition of cloud water and rain water at Plynlimon, Mid-Wales. Hydrol. Earth Syst. Sci., 1, 557-570.
    • (1997) Hydrol. Earth Syst. Sci. , vol.1 , pp. 557-570
    • Wilkinson, R.J.1    Reynolds, B.2    Neal, C.3    Hill, S.4    Neal, M.5    Harrow, M.L.6
  • 93
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    • Can climate change explain increases in DOC flux from upland peat catchments?
    • in press
    • Worrall, F., Burt, T.P. and Adamson, J., 2004b. Can climate change explain increases in DOC flux from upland peat catchments? Sci. Total Environ., in press.
    • (2004) Sci. Total Environ.
    • Worrall, F.1    Burt, T.P.2    Adamson, J.3


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