Jos_von_Asmuth_Thesis.pdf - repository

`Ü~éíÉê=O=RQ=2.3.5.3 From infiltration to recharge in the unsaturated zoneré=ìåíáä=íÜáë=éçáåíI=ïÉ=Ü~îÉ=åÉÖäÉÅíÉÇ=íÜÉ=Ñ~Åí=íÜ~í=áå=êÉ~äáíó=êÉÅÜ~êÖÉ=áë=ÇáÑÑáÅìäí=íç=ãÉ~ëìêÉ=~åÇ=ÖÉåÉê~ääó=ìåâåçïåK=oÉÅÜ~êÖÉI=ÜçïÉîÉêI=Å~å=ÄÉ=ëÉÉå=~ë=íÜÉ=çìíÅçãÉ=çÑ=íÜÉ=éêçÅÉëëÉë=áå=íÜÉ=ìåë~íìê~íÉÇ=òçåÉI=çÑ=ïÜáÅÜ=íÜÉ=ÇêáîáåÖ=ÑçêÅÉë=~êÉ=éêÉÅáéáí~íáçå= p =Root zone~åÇ=EéçíÉåíá~äF=Éî~éçê~íáçå= e K=qÜÉ=ä~ííÉê=~êÉ=ÖÉåÉê~ääó=~î~áä~ÄäÉ=Ñêçã=ãÉíÉçêçäçÖáÅ=ëí~íáçåëI=~åÇ= PercolationÅ~å=íÜÉêÉÑçêÉ=ÄÉ=ìëÉÇ=~ë=áåéìí=áÑ= zoneïÉ=~êÉ=~ÄäÉ=íç=ãçÇÉä=çê=ãáãáÅ=íÜÉ=ìåë~íìê~íÉÇ=òçåÉ=éêçÅÉëëÉëK=få=Å~ëÉ=çÑ=ìåë~íìê~íÉÇ=ÑäçïI=íÜÉ= Saturatedï~íÉê=Ä~ä~åÅÉ=Éèì~íáçå=~åÇ= zonea~êÅóÛë=ä~ï=~Ö~áå=í~âÉ=ÇáÑÑÉêÉåí=ëÜ~éÉëI=ÄÉÅ~ìëÉ=çÑ=íÜÉ=î~êóáåÖ=ï~íÉê=ÅçåíÉåí=~åÇ=éÉêãÉ~ÄáäáíóK=fÑ=ïÉ=ÅçåëáÇÉê=çåÉJÇáãÉåëáçå~äI=îÉêíáÅ~ä=Ñäçï=çåäóI=íÜÉ=ï~íÉê=Ä~ä~åÅÉ=Éèì~íáçå=áë=ÖáîÉå=ÄóW==∂q∂ϑ=(2.53)∂z∂t=~åÇ=a~êÅóÛë=ä~ï=ÄóW==d hq = K( ϑ) (2.54)d z=ïÜÉêÉ=z = W=ÇÉéíÜ=xiz==ϑ = W=îçäìãÉíêáÅ=ï~íÉê=ÅçåíÉåí=xJz=K( ϑ)W=ìåë~íìê~íÉÇ=éÉêãÉ~Äáäáíó=xiq JN z==_ó=ÅçãÄáåáåÖ=íÜÉ=Éèì~íáçåë=~ÄçîÉI=ïÉ=ÑáåÇ=íÜÉ=ÑçääçïáåÖ=ÇáÑÑÉêÉåíá~ä=Éèì~íáçå=Ñçê=Ñäçï=áå=íÜÉ=ìåë~íìê~íÉÇ=òçåÉW==∂ ⎡ ∂K( ) h ∂ϑϑ⎤ =(2.55)=∂z ⎢ z ⎥⎣ ∂ ⎦ ∂tConv.-Disp.Sat.ZoneField capacityWilting pointfigure 2.22: Schematic representation of the unsaturatedzone.prhe..…………………………………………………………………………………………….….