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Illustration - laboratoire PROTEE

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Bilan Hydrique<br />

ET = P + I - ES +/- Az +/-Qz<br />

ET = évapotranspiration (mm)<br />

P = précipitation (mm)<br />

I = quantité d’eau irriguée (mm)<br />

ES = écoulement superficiel (mm)<br />

∆Az = variation de la réserve en eau à la profondeur z (mm)<br />

Qz = flux (mm)<br />

Qz > 0 : ascension capillaire<br />

Qz < 0 : drainage interne

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