@article{fdi:010063539,
  title = {{S}oil water thermodynamic to unify water retention curve by pressure plates and tensiometer},
  author = {{B}raudeau, {E}rik and {H}ovhannissian, {G}aghik and {A}ssi, {A}.{T}. and {M}ohtar, {R}.{H}.},
  editor = {},
  language = {{ENG}},
  abstract = {{T}he pressure plate method is a standard method for measuring the p{F} curves, also called soil water retention curves, in a large soil moisture range from saturation to a dry state corresponding to an applied pressure of near 1500 k{P}a. {H}owever, the pressure plate can only provide discrete water retention curves represented by a dozen measured points. {I}n contrast, the measurement of the soil water retention curves by tensiometer is direct and continuous, but limited to the range of the tensiometer reading: from saturation to near 70–80 k{P}a. {T}he two methods stem from two very different concepts of measurement and the compatibility of both methods has never been demonstrated. {T}he recently established thermodynamic formulation of the pedostructure water retention curve, will allow the compatibility of the two curves to be studied, both theoretically and experimentally. {T}his constitutes the object of the present article. {W}e found that the pressure plate method provides accurate measurement points of the pedostructure water retention curve h({W}), conceptually the same as that accurately measured by the tensiometer. {H}owever, contrarily to what is usually thought, h is not equal to the applied air pressure on the sample, but rather, is proportional to its logarithm, in agreement with the thermodynamic theory developed in the article. {T}he p{F} curve and soil water retention curve, as well as their methods of measurement are unified in a same physical theory. {I}t is the theory of the soil medium organization (pedostructure) and its interaction with water. {W}e show also how the hydrostructural parameters of the theoretical curve equation can be estimated from any measured curve, whatever the method of measurement. {A}n application example using published p{F} curves is given.},
  keywords = {{HUMIDITE} {DU} {SOL} ; {PROPRIETE} {HYDRIQUE} ; {MODELISATION} ; {RESSUYAGE} ; {STRUCTURE} {DU} {SOL} ; {METHODE} {D}'{ANALYSE} ; {APPAREIL} {DE} {MESURE} ; {ETUDE} {COMPARATIVE} ; {COURBE} {DE} {RETRAIT} ; {THERMODYNAMIQUE}},
  booktitle = {},
  journal = {{F}rontiers in {E}arth {S}cience},
  volume = {2},
  numero = {},
  pages = {art. 30 [13 ]},
  ISSN = {2296-6463},
  year = {2014},
  DOI = {10.3389/feart.2014.00030},
  URL = {https://www.documentation.ird.fr/hor/fdi:010063539},
}