Ozark Plateau Aquifer System 55 water samples were taken from 3 separate aquifers in Madison County,...
21
Ozark Plateau Aquifer Ozark Plateau Aquifer System System 55 water samples were taken 55 water samples were taken from 3 separate aquifers in from 3 separate aquifers in Madison County, AR Madison County, AR Ozark Aquifer– deepest Ozark Aquifer– deepest Springfield Plateau Aquifer Springfield Plateau Aquifer Undifferentiated Shallow Aquifers Undifferentiated Shallow Aquifers
-
Upload
melinda-clarke -
Category
Documents
-
view
223 -
download
3
Transcript of Ozark Plateau Aquifer System 55 water samples were taken from 3 separate aquifers in Madison County,...
Ozark Plateau Aquifer Ozark Plateau Aquifer SystemSystem
55 water samples were taken from 55 water samples were taken from 3 separate aquifers in Madison 3 separate aquifers in Madison County, ARCounty, AR
Ozark Aquifer– deepestOzark Aquifer– deepest Springfield Plateau AquiferSpringfield Plateau Aquifer Undifferentiated Shallow AquifersUndifferentiated Shallow Aquifers
BENTON CARROLL BOONE
MARION
VAN BUREN
POPECONWAY
LOGAN
JOHNSON
SEBASTIAN
CRAWFORD
WASHINGTON
FRANKLIN
MADISONNEWTON SEARCY
Location of Madison County in Northwest Arkansas
MADISON
Springfield Plateau Aquifer
Ozark Aquifer
The Silurian and Ordovician was a period of time in North AmericaNoted for the production ofDolomites. The Ozark Aquifer flowsthrough these dolomitic units.
Following QA/QC, data plots were Following QA/QC, data plots were producedproduced
No time series data are available No time series data are available for this projectfor this project
Plots and data interpretation for Plots and data interpretation for this project attempt to this project attempt to characterize the water chemistry characterize the water chemistry for each aquifer sampledfor each aquifer sampled
Anions vs. Cations (meq/L) for All Samples
R2 = 0.916
0
2
4
6
8
10
12
14
16
18
20
0.0000 2.0000 4.0000 6.0000 8.0000 10.0000 12.0000 14.0000 16.0000
Cation Concentration (meq/L)
Anio
n Co
ncne
tratio
n (m
eq/L
)
0
2
4
6
8
10
12
14
16
18
20
0.0000 2.0000 4.0000 6.0000 8.0000 10.0000 12.0000 14.0000 16.0000
Cations (meq/L)
Anio
ns (m
eq/L
) SPA
OA
USA
Anions vs. Cations (meq/L) for All Samples
Piper Plot – All Samples
Springfield Plateau Aquifer
Undifferentiated Shallow Aquifers
Ozark Aquifer
0
10
20
30
40
50
60
70
80
90
1000
10
20
30
40
50
60
70
80
90
100
Ca2+
0102030405060708090100
Cl-
0 10 20 30 40 50 60 70 80 90 1000
10
20
30
40
50
60
70
80
90
1000
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100100
90
80
70
60
50
40
30
20
10
0
Piper Plot – Ozark Aquifer
Waters from the Ozark Aquifer Plot As Calcium Bicarbonate waters
Ozark Aquifer
R2 = 0.763
0.0000
1.0000
2.0000
3.0000
4.0000
5.0000
6.0000
0.0000 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000
Bicarbonate Ion Concentration (meq/L)
Ca+
Mg
Co
nce
ntr
atio
n (
meq
/L)
Ozark Aquifer
R2 = 0.0905
0
0.5
1
1.5
2
2.5
3
0 0.5 1 1.5 2 2.5 3
Cl Concentration (meq/L)
Na+
K C
on
cen
trat
ion
(m
eq/L
)
Ozark Aquifer
0
0.5
1
1.5
2
2.5
3
3.5
4
0 1 2 3 4
Ca+Mg/HCO3
Na+
K/C
l
0
10
20
30
40
50
60
70
80
90
100
2+
0
10
20
30
40
50
60
70
80
90
100
Ca2+
0102030405060708090100
Cl-
0 10 20 30 40 50 60 70 80 90 100
4 2-
0
10
20
30
40
50
60
70
80
90
1000
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100100
90
80
70
60
50
40
30
20
10
0
Piper Plot – Springfield Plateau Aquifer
Springfield Plateau Aquifer
R2 = 0.8011
0.0000
1.0000
2.0000
3.0000
4.0000
5.0000
6.0000
7.0000
0.0000 1.0000 2.0000 3.0000 4.0000 5.0000 6.0000 7.0000
HCO3 Concentration (meq/L)
Ca+
Mg
Con
cent
ratio
n (m
eq/L
)
This plot shows that cation exchange is limited.
Springfield Plateau Aquifer
R2 = 0.0846
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
Cl Conecntration (meq/L)
Na+
K C
on
cnet
rati
on
(m
eq/L
)
Springfeld Plateau Aquifer
0
0.5
1
1.5
2
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Ca+Mg/HCO3
Na+
K/C
l
0
10
20
30
40
50
60
70
80
90
100
Mg
2+
0
10
20
30
40
50
60
70
80
90
100
Ca2+
0102030405060708090100
Cl-
0 10 20 30 40 50 60 70 80 90 100
SO
4 2-
0
10
20
30
40
50
60
70
80
90
1000
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100100
90
80
70
60
50
40
30
20
10
0
Piper Plot – Undifferentiated Shallow Aquifers
Dolomitic contribution of bicarbonate isn’t likelyIs the loss of calcium responsible?
Undifferentiated Aquifers
R2 = 0.0407
0
2
4
6
8
10
12
14
16
18
0 2 4 6 8 10 12 14 16 18
Bicarbonate Ion Concentration (meq/L)
Ca+
Mg
Co
nce
ntr
atio
n (
meq
/L)
Undifferentiated Shallow Aquifers
R2 = 0.0216
0
2
4
6
8
10
12
14
0 2 4 6 8 10 12 14
Cl Concentration (meq/L)
Na+
K C
on
cen
trat
ion
(m
eq/L
)
Undifferentiated Shallow Aquifers
0123456789
10111213141516171819202122232425
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Ca+M g/HCO3
Na
+K
/Cl
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
NO3 (meq/L)
Nitrate Concentrations
Ozark Aquifer
Undifferentiated Shallow Aquifers
Springfield Plateau Aquifer
