CarrerRousseauSt-HilaireEtAl2015

Reference

Carrer, G.E., Rousseau, A.N., St-Hilaire, A. and Jutras, S. (2015) Mosaic surface storages of a small boreal catchment. Hydrological Processes, 29(6):845-858. (Scopus )

Abstract

Recent studies have suggested that the hydrologic connectivity of northern headwater catchments is likely controlled by antecedent moisture conditions and land cover patterns. A water storage model (EWS), based on water levels (WLs), specific yield (Sy) and surface elevation (SE) changes, was compared with a basic water budget of a small, boreal, patterned fen (13ha) during the ice-free period. Results showed that the EWS model reproduced well storage variations derived from the water budget. These results suggest that storage variations can be properly represented by the fluctuations of WLs when we consider the heterogeneous soil properties. However, storage deviations occurred at the daily scale and could be explained by a lack of information on water retention in unsaturated layers, canopy interceptions and preferential flows. Despite the significant impact of SE changes on the different peatland cover storage budgets (strings and lawns), using Sy mean values had a low impact on storage estimations. This can be explained by the large proportion of pools and high WLs throughout the fen. At the fen scale, high storage in the pools seemed to reduce the Sy difference between strings and lawns. The results of this study provide new insights about the complex hydrological behaviour of northern catchments and allow for conceiving new hydrological modelling perspectives.

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@ARTICLE { CarrerRousseauSt-HilaireEtAl2015,
    AUTHOR = { Carrer, G.E. and Rousseau, A.N. and St-Hilaire, A. and Jutras, S. },
    TITLE = { Mosaic surface storages of a small boreal catchment },
    JOURNAL = { Hydrological Processes },
    YEAR = { 2015 },
    VOLUME = { 29 },
    PAGES = { 845-858 },
    NUMBER = { 6 },
    NOTE = { cited By 0 },
    ABSTRACT = { Recent studies have suggested that the hydrologic connectivity of northern headwater catchments is likely controlled by antecedent moisture conditions and land cover patterns. A water storage model (EWS), based on water levels (WLs), specific yield (Sy) and surface elevation (SE) changes, was compared with a basic water budget of a small, boreal, patterned fen (13ha) during the ice-free period. Results showed that the EWS model reproduced well storage variations derived from the water budget. These results suggest that storage variations can be properly represented by the fluctuations of WLs when we consider the heterogeneous soil properties. However, storage deviations occurred at the daily scale and could be explained by a lack of information on water retention in unsaturated layers, canopy interceptions and preferential flows. Despite the significant impact of SE changes on the different peatland cover storage budgets (strings and lawns), using Sy mean values had a low impact on storage estimations. This can be explained by the large proportion of pools and high WLs throughout the fen. At the fen scale, high storage in the pools seemed to reduce the Sy difference between strings and lawns. The results of this study provide new insights about the complex hydrological behaviour of northern catchments and allow for conceiving new hydrological modelling perspectives. },
    AUTHOR_KEYWORDS = { Discharge; Patterned peatland; Storage; Surface elevation changes; Sy },
    DOCUMENT_TYPE = { Article },
    DOI = { 10.1002/hyp.10195 },
    KEYWORDS = { Budget control; Discharge (fluid mechanics); Energy storage; Lakes; Landforms; Moisture control; Runoff; Water levels; Wetlands, Antecedent moisture; Canopy interception; Headwater catchment; Hydrologic connectivity; Hydrological modelling; Peatland; Surface elevation changes; Sy, Catchments },
    SOURCE = { Scopus },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84923845769&partnerID=40&md5=ff241c48779f092aae8ed068bc136cc9 },
}

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