HAMAYESH LORESTAN SEMINAR AB MANTAGHAEA · Microsoft Word -...
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Transcript of HAMAYESH LORESTAN SEMINAR AB MANTAGHAEA · Microsoft Word -...
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yahoo.com
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]ASCE[
ETO
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ETO
FAO
FAO
FAO
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. Penman-monteith
. Shih
][ETO
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KC ]
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. Jensen, Hargreaves, Temesgen and Allen
. Jensen Haise
. Chahoon et al
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KC
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smada
ARAKMAX =. .)( DKHORRAMABAMAXT
r =.
.)(.ARAKMAXDKHORRAMABAMAX T r =.
.)(.ARAKMAXBROUjERDMAX T r =.
.)(. BROUjERDMAXALGODARZMAX T r =.
MAX
MAXT
r
ARAKMIN = DKHORRAMABAMINTe ..
r =..)(. ARAKMINDKHORRAMABAMIN T r =.
.)(. ARAKMINBROUJERDMIN T r = .
.)(. BROUJERDMINALGODARZMIN T r =.
MIN
MINT
r
n
M
m
n
m
M
n
ETO
. double mass
. Dirk Raes
. Blany-Criddle
. Makkink
ETO
RSa=
b=
nETO
FAO
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ETO= N mam
I
T)(
ETo=
mT
I
a
. Modified Penman
. hargreaves
mN
ETO
ETO
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]
.[
-
FAO][
][
ETO M =. ETO APAN + r =.
ETOM
=. ETO .MPAN r =.
ETO M = ETO BL - r =.
ETO M =. ETO HAR +. r =.
ETO M =. .TRETO r =.
ETO MPAN = ETO APAN +
r =.
ETO MPAN = ETO BL - r =.
ETO MPAN =. ETO HAR -
r =.
ETO MPAN = ETO M + .
r =.
ETO MPAN =. ETO TR -
r =.
ETO MPAN ETO APAN -
r =.
ETO MPAN = ETO BL - r =.
ETO MPAN =. ETO HAR - r =.
ETO MPAN = ETO M
r =.
ETO MPAN =. ETO TR - r =.
METO
APAN =ETO
MPANETO _ =
HARETO
BL =ETO
TR =ETO
][
FAO
. Jensen, D.T., G.H. Hargreaves, B. Temesgen and R.G. Allen . Computation of ETOunderNonideal Conditions. J. rrig. Drain. Vol. ( ): - .
. Jensen, M.E., R.D. Burman and R.G. Allen. . Evapotranspiration and Irrigation Water Requirements. Manuals and Reports on Eng. Practice. No. , ASCE.
. Shih, S.F. . Data Requirement for Evapotranspiration Stimation. J. Irrig. Drain. Vol. ( ): -.
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