BironRoyCourschesneEtAl1999

Référence

Biron, P.M., Roy, A.G., Courschesne, F., Hendershot, W.H., Cote, B., Fyles, J.W. (1999) The effects of antecedent moisture conditions on the relationship of hydrology to hydrochemistry in a small forested watershed. Hydrological Processes, 13(11):1541-1555.

Résumé

The relationship between stream discharge and the concentration of different solutes reflects the hydrological processes occurring in a catchment, but is also strongly affected by antecedent moisture conditions. In this study, the effects of antecedent conditions were examined for a small forested watershed near Montreal (Quebec) by comparing data from sequences of fall events for two years of contrasting antecedent moisture conditions. The relationship between discharge and stream water chemistry was also quantified using cross-correlation analysis. Results show that concentrations of dissolved organic carbon, nitrate and calcium increased during storm events with dry antecedent conditions but that the relationships were weaker under wet conditions. For both years, concentrations of sulfate, silicon and sodium and the pH were negatively correlated with discharge (cross-correlations from -0·20 to -0·53). With dry antecedent conditions, there was a general decrease in the concentration of all solutes with time, whereas concentrations remained at about the same level under wet conditions. The concentration-discharge relationships for sulfate shifted frequently from higher concentrations during the rising limb to higher concentrations during the falling limb from one event to another as a result of changing antecedent conditions. Although the contrast in antecedent moisture conditions between the two years was moderate in comparison with that reported in other studies (25% dryer than average in 1995 and 12% wetter than average in 1996), the hydrochemistry of the stream was markedly different. The relationship between stream discharge and the concentration of different solutes reflects the hydrological processes occurring in a catchment, but is also strongly affected by antecedent moisture conditions. In this study, the effects of antecedent conditions were examined for a small forested watershed near Montreal (Quebec) by comparing data from sequences of fall events for two years of contrasting antecedent moisture conditions. The relationship between discharge and stream water chemistry was also quantified using cross-correlation analysis. Results show that concentrations of dissolved organic carbon, nitrate and calcium increased during storm events with dry antecedent conditions but that the relationships were weaker under wet conditions. For both years, concentrations of sulfate, silicon and sodium and the pH were negatively correlated with discharge (cross-correlations from -0.20 to -0.53). With dry antecedent conditions, there was a general decrease in the concentration of all solutes with time, whereas concentrations remained at about the same level under wet conditions. The concentration-discharge relationships for sulfate shifted frequently from higher concentrations during the rising limb to higher concentrations during the falling limb from one event to another as a result of changing antecedent conditions. Although the contrast in antecedent moisture conditions between the two years was moderate in comparison with that reported in other studies (25% dryer than average in 1995 and 12% wetter than average in 1996), the hydrochemistry of the stream was markedly different.

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@ARTICLE { BironRoyCourschesneEtAl1999,
    AUTHOR = { Biron, P.M. and Roy, A.G. and Courschesne, F. and Hendershot, W.H. and Cote, B. and Fyles, J.W. },
    TITLE = { The effects of antecedent moisture conditions on the relationship of hydrology to hydrochemistry in a small forested watershed },
    JOURNAL = { Hydrological Processes },
    YEAR = { 1999 },
    VOLUME = { 13 },
    PAGES = { 1541-1555 },
    NUMBER = { 11 },
    NOTE = { 08856087 (ISSN) Cited By (since 1996): 16 Export Date: 26 April 2007 Source: Scopus CODEN: HYPRE doi: 10.1002/(SICI)1099-1085(19990815)13:11<1541::AID-HYP832>3.0.CO;2-J Language of Original Document: English Correspondence Address: Biron, P.M.; Department of Geography; Concordia University; 1455 de Maisonneuve Blvd. W. Montreal, Que. H3G IM8, Canada; email: biron@alcor.concordia.ca References: (1987) The Canadian System of Soil Classification (2nd Edn), , Agriculture Canada Publ. 1646. Canadian Government Publishing, Ottawa, 164 pp; Avila, A., Pin?ol, J., Roda?, F., Neal, C., Storm solute behaviour in a montane Mediterranean forested catchment (1992) J. Hydrol., 140, pp. 143-161; Box, G.E.P., Jenkins, G.M., Reinsel, G.C., (1994) Time Series Analysis: Forecasting and Control (3rd Edn), , Prentice Hall, Englewood Cliffs; Burcar, S., Miller, W.W., Tyler, S.W., Johnson, D.W., Season preferential flow in two Sierra Nevada soils under forested and meadow cover (1994) Soil Sci. Soc. Am. J., 58, pp. 1555-1561; Burch, G.J., Moore, I.D., Burns, J., Soil hydrophobic effects on infiltration and catchment runoff (1989) Hydrol. Process., 3, pp. 211-222; Chappell, N.A., Ternan, J.L., Williams, A.G., Reynolds, B., Preliminary analysis of water and solute movement beneath a coniferous hillslope in Mid-Wales, UK (1990) J. Hydrol., 116, pp. 201-215; Courchesne, F.F., Savoie, S., Dufresne, A., Effects of air-drying on the measurement of soil pH in acidic forest soils of Quebec, Canada (1995) Soil Sci., 160, pp. 56-68; Creed, I.F., Band, L.E., Foster, N.W., Morrison, I.K., Nicolson, J.A., Semkin, R.S., Jeffries, D.S., Regulation of nitrate-N release from temperate forests: A test of the N flushing hypothesis (1996) Wat. Resour. Res., 32, pp. 3337-3354; Crockford, S., Topalidis, S., Richardson, D.P., Water repellency in a dry sclerophyll forest: Measurements and processes (1991) Hydrol. Process., 5, pp. 405-420; Doerr, S.H., Shakesby, R.A., Walsh, R.P.D., Soil hydrophobicity variations with depth and particle size fraction in burned and unburned Eucalyptus globulus and Pinus pinaster forest terrain in the Agueda Basin, Portugal (1996) Catena, 27, pp. 25-47; Elsenbeer, H., West, A., Bonnell, M., Hydrologic pathways and stormflow hydrochemistry at South Creek, northeast Queensland (1994) J. Hydrol., 162, pp. 1-21; (1993) Analyse des Silicates Re?actifs dans l'Eau de Surface, , Laboratoire Conservation et Protection, Centre St-Laurent; Evans, C., Davies, T.D., Causes of concentration/discharge hysteresis and its potential as a tool for analysis of episode hydrochemistry (1998) Wat. Resour. Res., 34, pp. 129-137; Foster, I.D.L., Seasonal solute behaviour of stormflow in a small agricultural catchment (1978) Catena, 5, pp. 151-163; Giusti, L., Neal, C., Hydrological pathways and solute chemistry of storm runoff at Dargall Lane, southwest Scotland (1993) J. Hydrol., 142, pp. 1-27; Hendershot, W.H., Courchesne, F., Effect of base cation addition on soil chemistry in a sugar maple forest of the lower Laurentians, Quebec (1994) Can. J. For. Res., 24, pp. 609-617; Hendershot, W.H., Savoie, S., Courchesne, F., Simulation of stream-water chemistry with soil solution and groundwater flow contributions (1992) J. Hydrol., 136, pp. 237-252; Hewlett, J.D., (1982) Principles of Forest Hydrology, , University of Georgia Press, Athens, 183 pp; Imeson, A.C., Verstraten, J.M., Van Mulligen, E.J., Sevink, J., The effects of fire and water repellency on infiltration and runoff under Mediterranean type forest (1992) Catena, 19, pp. 345-361; Jenkins, A., Storm period hydrochemical response in an unforested scottish catchment (1989) Hydrol. Sci., 34, pp. 393-404; Jenkins, A., Ferrier, R.C., Harriman, R., Ogunkoya, Y.O., A case study in catchment hydrochemistry: Conflicting interpretations from hydrological and chemical observations (1994) Hydrol. Process., 8, pp. 335-349; McDonnell, J.J., Owens, I.F., Stewart, M.K., A case study of shallow flow paths in a steep zero-order basin (1991) Wat. Resour. Bull., 27, pp. 679-685; McGerrigle, J.I., Re?gion de Saint-Hippolyte/Sainte-Ade?le (Que?bec) (1976) Rapport Ge?ologique No. 179, 179. , Ministe?re des Richesses Naturelles, Ottawa, 41 pp; Muscutt, A.D., Wheater, H.S., Reynolds, B., Stormflow hydrochemistry of a small Welsh upland catchment (1990) J. Hydrol., 116, pp. 239-249; Neal, C., Robson, A.J., Christophersen, N., Towards coupling hydrological, soil and weathering processes within a modelling perspective (1997) Geochemical Processes, Weathering and Groundwater Recharge in Catchments, pp. 329-380. , Saether, U. M. and Caritat, P. (Eds), Brookfield: A. A. Balkema, Rotterdam; Neal, C., Robson, A.J., Shand, P., Edmunds, W.M., Dixon, A.J., Buckley, D.K., Hill, S., Reynolds, B., The occurrence of groundwater in the lower Palaeozoic rocks of upland central Wales (1997) Hydrol. Earth System Sci., 1, pp. 3-18; O'Brien, C., Hendershot, W.H., Separating streamflow into groundwater, solum and upwelling flow and its implications for hydrochemical modelling (1993) J. Hydrol., 146, pp. 1-12; O'Connor, D.J., The concentration of dissolved solids and river flow (1976) Wat. Resour. Res., 12, pp. 279-294; Reynolds, B., Hornung, M., Stevens, P.A., Solute budgets and denudation rate estimates for a mid-Wales catchment (1987) Catena, 14, pp. 13-23; Robarge, W.P., Johnson, D.W., The effects of acidic deposition on forested soils (1992) Adv. Agron., 47, pp. 1-83; Slack, J.G., River water quality in Essex during and after the 1976 drought (1977) Effluent Wat. Treat. J., 17, pp. 575-578; Soulsby, C., Contrasts in storm event hydrochemistry in an acidic afforested catchment in upland Wales (1995) J. Hydrol., 170, pp. 159-179; Walling, D.E., Foster, I.D.L., Variations in the natural chemical concentration of river water during flood flows, and the lag effect: Some further comments (1975) J. Hydrol., 26, pp. 237-244; Walling, D.E., Webb, B.W., Solutes in river systems (1986) Solute Processes, pp. 251-327. , Trudgill, S. T. (Ed.), John Wiley \& Sons, Chichester; Webb, B.W., Walling, D.E., Water quality II. Chemical characteristics (1992) The Rivers Handbook, pp. 73-100. , Calow, P. and Petts, G. E. (Eds), Blackwell Scientific Publications, London; Wilson, G.V., Jardine, P.M., Luxmoore, R.J., Jones, J.R., Hydrology of a forested hillslope during storm events (1990) Geoderma, 46, pp. 119-138. },
    ABSTRACT = { The relationship between stream discharge and the concentration of different solutes reflects the hydrological processes occurring in a catchment, but is also strongly affected by antecedent moisture conditions. In this study, the effects of antecedent conditions were examined for a small forested watershed near Montreal (Quebec) by comparing data from sequences of fall events for two years of contrasting antecedent moisture conditions. The relationship between discharge and stream water chemistry was also quantified using cross-correlation analysis. Results show that concentrations of dissolved organic carbon, nitrate and calcium increased during storm events with dry antecedent conditions but that the relationships were weaker under wet conditions. For both years, concentrations of sulfate, silicon and sodium and the pH were negatively correlated with discharge (cross-correlations from -0·20 to -0·53). With dry antecedent conditions, there was a general decrease in the concentration of all solutes with time, whereas concentrations remained at about the same level under wet conditions. The concentration-discharge relationships for sulfate shifted frequently from higher concentrations during the rising limb to higher concentrations during the falling limb from one event to another as a result of changing antecedent conditions. Although the contrast in antecedent moisture conditions between the two years was moderate in comparison with that reported in other studies (25% dryer than average in 1995 and 12% wetter than average in 1996), the hydrochemistry of the stream was markedly different. The relationship between stream discharge and the concentration of different solutes reflects the hydrological processes occurring in a catchment, but is also strongly affected by antecedent moisture conditions. In this study, the effects of antecedent conditions were examined for a small forested watershed near Montreal (Quebec) by comparing data from sequences of fall events for two years of contrasting antecedent moisture conditions. The relationship between discharge and stream water chemistry was also quantified using cross-correlation analysis. Results show that concentrations of dissolved organic carbon, nitrate and calcium increased during storm events with dry antecedent conditions but that the relationships were weaker under wet conditions. For both years, concentrations of sulfate, silicon and sodium and the pH were negatively correlated with discharge (cross-correlations from -0.20 to -0.53). With dry antecedent conditions, there was a general decrease in the concentration of all solutes with time, whereas concentrations remained at about the same level under wet conditions. The concentration-discharge relationships for sulfate shifted frequently from higher concentrations during the rising limb to higher concentrations during the falling limb from one event to another as a result of changing antecedent conditions. Although the contrast in antecedent moisture conditions between the two years was moderate in comparison with that reported in other studies (25% dryer than average in 1995 and 12% wetter than average in 1996), the hydrochemistry of the stream was markedly different. },
    KEYWORDS = { Chemograph Cross-correlation analysis Forest ecosystem Hydrograph Moisture conditions Storm event Stream chemistry Calcium Carbon Discharge (fluid mechanics) Ecosystems Moisture Nitrates Storms Watersheds Chemograph Cross correlation analysis Hydrograph Moisture conditions Stream chemistry Hydrology background level forested catchment hydrology streamwater water chemistry Canada },
    OWNER = { brugerolles },
    TIMESTAMP = { 2007.12.05 },
}

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