Effective water table depth to describe initial conditions prior to storm rainfall in humid regions

Peter A Troch, F. P. De Troch, W. Brutsaert

Research output: Contribution to journalArticle

173 Citations (Scopus)

Abstract

The estimation of the initial storage capacity prior to a given flood event is essential to obtain useful results from storm runoff prediction models based on saturation excess overland flow. It is shown how this effective depth to the water table can be related to streamflow measurements at the outlet of the basin. The analysis is based on Boussinesq's standard hydraulic groundwater theory. The main feature of the present formulation is that it allows the estimation of catchment-scale parameters, namely the aquifer hydraulic conductivity and the average depth to the impervious layer. The estimation of these parameters is based on a drought flow analysis which is consistent with the hydraulic groundwater theory used to develop the described technique. This hydraulic theory is found to be applicable for a catchment under humid temperate climate conditions, namely the Zwalm catchment situation in East-Flanders, Belgium. -from Authors

Original languageEnglish (US)
Pages (from-to)427-434
Number of pages8
JournalWater Resources Research
Volume29
Issue number2
DOIs
StatePublished - 1993
Externally publishedYes

Fingerprint

Catchments
water table
Rain
fluid mechanics
Hydraulics
catchment
hydraulics
rain
Belgium
rainfall
Water
Groundwater
groundwater
humid zones
Drought
Hydraulic conductivity
overland flow
stream flow
climate conditions
Runoff

ASJC Scopus subject areas

  • Aquatic Science
  • Environmental Science(all)
  • Environmental Chemistry
  • Water Science and Technology

Cite this

Effective water table depth to describe initial conditions prior to storm rainfall in humid regions. / Troch, Peter A; De Troch, F. P.; Brutsaert, W.

In: Water Resources Research, Vol. 29, No. 2, 1993, p. 427-434.

Research output: Contribution to journalArticle

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