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lecture_11

# lecture_11 - 2 Q = QPM r = FT h = FT 11.3 Assumptions in...

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Q KAdh / dl K (2 B rh ) dh dr m hdh Q 2 B K m dr r h 2 2 h 2 1 Q B K (ln r 2 ln r 1 ) K Q B ln( r 2 / r 1 ) h 2 2 h 2 1 K 1055 Q log( r 2 / r 1 ) h 2 2 h 2 1 K 141 Q log( r 2 / r 1 ) h 2 2 h 2 1 LECTURE 11 - EQUILIBRIUM AQUIFER TESTS 11.1 UNCONFINED AQUIFERS DEPUIT EQUATION WHERE: K = HYDRAULIC CONDUCTIVITY (M S ) -1 Q = PUMPING RATE (M S ) 3 -1 r = RADIUS (M) h = SATURATED THICKNESS (M) WHERE: K = GPD/FT 2 Q = GPM r = FT h = FT WHERE: K = FT/DAY Q = GPM r = FT h = FT

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Q KAdh / dl K (2 B rb ) dh / dr m dh Q K 2 B b m dr r h 2 h 1 Q K 2 B b (ln r 2 ln r 1 ) Q 2 B T ln( r 2 r 1 ) where : T Kb T Q 2 B ln( r 2 / r 1 ) ( h 2 h 1 ) T 528 Q log( r 2 / r 1 ) h 2 h 1 K 70.5 Q log( r 2 / r 1 ) h 2 h 1 11.2 CONFINED AQUIFER THIEM EQUATION WHERE: T = TRANSMISSIVITY (M S ) 2 -1 Q = DISCHARGE r = RADIUS h = ELEVATION WHERE: T = GPD/FT Q = GPM r = FT h = FT WHERE: T = FT /DAY
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Unformatted text preview: 2 Q = QPM r = FT h = FT 11.3 Assumptions in Theim and Depuit Equations: EQUILIBRIUM CONDITIONS EXIST FLOW IS LAMINAR FLOW IS HORIZONTAL AQUIFER IS HOMOGENEOUS AND ISOTROPIC AQUIFER HAS INFINITE AREAL EXTENT T IS CONSTANT AT ALL TIMES AND ALL PLACES WATER REMOVED FROM STORAGE IS DISCHARGED INSTANTANEOUSLY WITH DECLINE IN HEAD WELL PENETRATES AND RECEIVES WATER FROM ENTIRE AQUIFER WELL HAS AN INFINITESIMAL DIAMETER...
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lecture_11 - 2 Q = QPM r = FT h = FT 11.3 Assumptions in...

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