Verizon 10:30 AM Geol-463 Final Review Session.... Ge leakage near well B for an

Question

Verizon 10:30 AM Geol-463 Final Review Session.... Ge leakage near well B for an area of 1 acre? And what is the direction of the leakage? Ground water flow (Consider Lab 1) Potentiometric Contours and Direction of Groundwater Flow in the Suwannee River Water Management District, May 1990. HAMILTON GENERAL DGECT REGIONAL GROUND-WATER 51520 2 GILCHRIST 0 5 o 15 20 25 KLOMETERS Ground water flow a) What is the hydraulic gradient at point A? If the aquifer Transmissivity is 0.8 x 10-6 / day, what is the aquifer's flow (Q) at point A for a width of 100 meters? b) c) If the aquifer's thickness is 8 meters in the vicinity of point #5, what is the hydraulic conductivity in that area (in feetday)? d) What direction is ground water flow at point #2? Open With Print

Explanation / Answer

a) hydraulic gradient = hydraulic head difference /distance

ground water always flows from hifh hydraulic gradient that is 40 to low that is 30

hence the hydraulic head difference at A = 40-30 = 10km

distance = 10km measured with scale from 40 to 30 along A

hence hydraulic gradient = 10/10 =1

d) ground water direction is from west to east.As the hydraulic head is decreasing from west to east at point #2

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