Central Valley Aquifer, Chapters A and B - MAE Class Websites

154 Groundwater Availability of the Central Valley Aquifer, California
Net Recharge
slope (
-
Hydraulic Properties
K) and thickness
-
member.
where
x
p
M ( x)=
n
⎛ 1
⎜
⎝
1
n p
p ⎞
∑ xk
⎟
k = 1
is the value being averaged (such as hydraulic
conductivity),
p is the averaging power-mean
exponent,
n is the number of elements being averaged, and
th
x is the k element in the list.
k
-
K ) and
K
where
F
ci ,
K
h,i
= + ⎡
⎣KF
K F
c c, i f f , i
is the fraction of coarse-grained
sediment
⎠
⎤
⎦
in a cell, estimated from sediment texture
data as described earlier in Chapter A, and
F isthe fraction
of fine-grained sediment in a
f , i
cell (1 Fci , ).
K is much smaller that K , the arithmetic mean
K and fraction of the coarse-
K 1/2 )
p th -
-
where
k
K vk
, + 1 2
F f k
, + 1 2
p
K = ⎡F
K F K
vk , + 1 ck , + 1 c +
f , k+
1
2 ⎣⎢ 2
2
represents the layer,
p
f
⎤
⎦⎥
1 p
isthe fraction of coarse-grained sediment
between layer midpoints, and
is the fraction of fine-grained
sediment
between layer midpoints.
,