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What are the common units of measurement hydrologists use to report permeability?
Wiki User
∙ 13y ago
Allowing passage of water into soil pores.It can be measured by conducting some lab tests like Constant Head method Falling Head method.The formula for finding out the coefficient of permeability is
k= [Ql/(i.h.A)] ---- For Constant Head Method
k=al/A(t2-t1)* log(h1/h2) ....... For Falling Head Method
Where
A----- the area of c/s
Q----- the discharge
i------the hydraulic gradient
h------head in m.
a------the certain area of c/s.
t1& t2----- time intervals
h1&h2----- heads at time intervals at t1&t2.
Wiki User
∙ 14y ago
Hydrologists commonly use units such as centimeters per second (cm/s) or meters per day (m/day) to report permeability, which measures how easily fluids can flow through a porous medium like soil or rock. They may also use millidarcys (mD) or hydraulic conductivity (meters per second) as units of measurement.
Wiki User
∙ 13y agoThe SI
The International System of Units is the modern form of the metric system and is generally a system of units of measurement devised around seven base units and the convenience of the number ten...
Unit for permeability is m2. A traditional unit for permeability is the Darcy
(D), or more commonly the millidarcies (mD) (1 darcy 10−12m2). The unit of cm2 is also sometimes used.
Wiki User
∙ 13y agopermeability is ratio of number of voidage/pores per unit area to the total volume of the unit area
Wiki User
∙ 12y agoCFM/Sq. Ft. at 0.5 inch H2O DP
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