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@ARTICLE{Antoine:15975,
      author       = {Antoine, M. and Javaux, M. and Bielders, C.L.},
      title        = {{I}ntegrating subgrid connectivity properties of the
                      micro-topography in distributed runoff models, at the
                      interrill scale},
      journal      = {Journal of hydrology},
      volume       = {403},
      issn         = {0022-1694},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {PreJuSER-15975},
      year         = {2011},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {The spatial configuration of micro-topography affects the
                      runoff connectivity at the interrill scale and, therefore,
                      the shape of the hydrograph. In a previous study, we
                      demonstrated the ability of the so-called Relative Surface
                      Connection (RSC) function to capture, at the grid scale, the
                      evolution of the contributing area as a function of the
                      depression storage filling. However, this function neglects
                      the effect of surface detention, which is proportional to
                      the runoff rate and which must be taken into account if one
                      wants to predict correctly the discharge dynamics. Therefore
                      we tested two corrective procedures in association with the
                      RSC function to integrate, at the grid scale, the effects of
                      both depression storage and surface detention dynamics. The
                      weighted-source corrective procedure consists in weighing
                      the effective supply of water between depression storage and
                      runoff using the RSC function. The weighted-surface
                      corrective procedure consists in splitting a single grid
                      into parallel independent strips whose sizes depend on the
                      RSC function and which activate at various times and then
                      participate to the global runoff production. Those methods
                      allowed to mimic in a simple way and at the grid scale
                      synthetical and experimental hydrographs for complex subgrid
                      micro-topographies.The weighted-source and especially the
                      weighted-surface corrective procedures improved the
                      hydrograph prediction compared to the classical approach
                      where runoff only starts when depression storage capacity is
                      full. In a purely numerical framework with four runoff
                      scenarios on highly contrasted micro-topographies, this
                      improvement was reflected in a significant increase of the
                      median Nash and Sutcliffe coefficients E-50 (E-50 = 0.29 for
                      the classical approach, E-50 = 0.67 for the weighted-source
                      procedure and E-50 = 0.94 for the weighted-surface
                      procedure).For the depression storage filling, an
                      alternative to the Linsley equation was found and allowed a
                      better description of surface runoff before maximal
                      depression storage was reached. This was reflected in an
                      increase of the E-50 computed for 27 overland flow
                      experiments under laboratory conditions and their equivalent
                      model results(E-50 = 0.89 for the Linsley approach, E-50 =
                      0.94 with the proposed 'uniform' multiple-compartment
                      conceptual approach, and E-50 = 0.85 for the classical
                      approach where runoff only starts when depression storage
                      capacity is full). (C) 2011 Elsevier B.V. All rights
                      reserved.},
      keywords     = {J (WoSType)},
      cin          = {IBG-3},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Engineering, Civil / Geosciences, Multidisciplinary / Water
                      Resources},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000291914200002},
      doi          = {10.1016/j.jhydrol.2011.03.027},
      url          = {https://juser.fz-juelich.de/record/15975},
}