Experimental evaluation and parameterization of evaporation from soil surface

Jidong Teng, Noriyuki Yasufuku, Qiang Liu, Shiyu Liu

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Surface evaporation is one of the main processes in the soil-atmosphere interaction. Since it is highly related to meteorological factors and soil properties, determination of evaporation rate from soil surface remains a challenge. To investigate the evaporation from unsaturated soil, a climate control apparatus has been newly developed, which has a feature of completely controlling air temperature, relative humidity and wind speed. Twelve climatic conditions are applied to three kinds of soil specimens to carry out the evaporation tests. The results show that only water content cannot allow an accurate estimation, additional variables accounting for soil texture and wind speed must be included as well. Moreover, a simple approach to parameterize evaporation is presented by the soil moisture θ of top 1-cm layer with considering the effect of soil texture and wind speed. It is found that the new approach is able to accurately estimate the evaporation from unsaturated soil.

Original languageEnglish
Pages (from-to)1405-1418
Number of pages14
JournalNatural Hazards
Volume73
Issue number3
DOIs
Publication statusPublished - Jan 1 2014

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parameterization
soil surface
evaporation
wind velocity
soil texture
soil
evaluation
relative humidity
soil property
air temperature
soil moisture
water content
atmosphere
climate

All Science Journal Classification (ASJC) codes

  • Water Science and Technology
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)

Cite this

Experimental evaluation and parameterization of evaporation from soil surface. / Teng, Jidong; Yasufuku, Noriyuki; Liu, Qiang; Liu, Shiyu.

In: Natural Hazards, Vol. 73, No. 3, 01.01.2014, p. 1405-1418.

Research output: Contribution to journalArticle

Teng, Jidong ; Yasufuku, Noriyuki ; Liu, Qiang ; Liu, Shiyu. / Experimental evaluation and parameterization of evaporation from soil surface. In: Natural Hazards. 2014 ; Vol. 73, No. 3. pp. 1405-1418.
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