Dry-end surface soil moisture variability during NAFE'06

A.J. Teuling, R. Uijlenhoet, R.T.W.L. Hurkmans, O. Merlin, R. Panciera, J.P. Walker, P.A. Troch

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)

Abstract

Characterization of the space-time variability of soil moisture is important for land surface and climate studies. Here we develop an analytical model to investigate how, at the dry-end of the soil moisture range, the main characteristics of the soil moisture field (spatial mean and variability, steady state distribution) depend on the intermittent character of low intensity rain storms. Our model is in good agreement with data from the recent National Airborne Field Experiment (NAFE'06) held in the semiarid Australian Murrumbidgee catchment. We find a positive linear relationship between mean soil moisture and its associated variability, and a strong dependency of the temporal soil moisture distribution to the amount and structure of precipitation
Original languageEnglish
Article numberL17402
Number of pages5
JournalGeophysical Research Letters
Volume34
DOIs
Publication statusPublished - 2007

Keywords

  • water content
  • dynamics

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