Supplemental Data 1. Radium isotope results from Little Lagoon (LL), Lake Shelby (LS), canal (C), and Pass (P) samples. Errors are ±1σ based on counting statistics.
Site / Longitude / Latitude / Salinity / 223Ra / 224Ra / 226Ra / 228Ra(ºW) / (ºN) / (dpm 100L-1)
(a) 5-Apr-10
LS01 / 87.667 / 30.265 / 2.8 / 1.26±0.32 / 22.0±1.65 / 17.0±0.60 / 21.0±3.63
C02 / 87.688 / 30.255 / 5.7 / 2.92±0.43 / 37.2±1.84 / 30.0±0.68 / 40.3±4.10
LL03 / 87.691 / 30.258 / 24.5 / 5.01±0.79 / 39.2±1.42 / 16.8±0.02 / 41.8±3.22
LL04 / 87.694 / 30.255 / 24.1 / 5.49±0.86 / 44.8±1.76 / 17.6±0.98 / 39.2±3.75
LL06 / 87.725 / 30.253 / 23.7 / 5.05±0.87 / 36.6±1.57 / 15.5±0.11 / 34.5±2.75
LL08 / 87.738 / 30.245 / 24.7 / 0.81±0.17 / 11.3±0.86 / 8.40±0.34 / 6.20±2.62
LL10 / 87.768 / 30.246 / 26.2 / 2.56±0.35 / 27.7±1.39 / 10.5±0.41 / 10.9±4.00
LL11 / 87.786 / 30.241 / 26.0 / 3.95±0.42 / 31.0±1.63 / 10.1±0.73 / 18.0±2.55
LL12 / 87.809 / 30.235 / 26.2 / 4.68±0.59 / 34.2±1.98 / 12.4±1.11 / 26.1±4.37
(b) 29-Jun-10
LL1 / 87.725 / 30.253 / 22.0 / 5.19±0.51 / 94.2±2.42 / 32.3±2.92 / 96.7±4.74
LL2 / 87.725 / 30.253 / 22.0 / 6.15±0.58 / 74.5±1.26 / 22.7±0.83 / 72.6±4.84
LS3 / 87.664 / 30.258 / 3.6 / 2.63±0.28 / 24.2±1.14 / 22.6±3.97 / 80.0±3.82
LS4 / 87.672 / 30.258 / 3.8 / 2.49±0.30 / 44.9±1.34 / 31.6±3.95 / 34.4±4.95
LL5 / 87.716 / 30.255 / - / 7.68±0.46 / 78.3±2.42 / 32.0±5.68 / 39.6±3.48
LL6 / 87.694 / 30.255 / 21.9 / 6.28±0.46 / 92.5±1.63 / 32.4±0.31 / 91.2±4.77
(c) 15-Nov-10
LL-1 / 87.725 / 30.254 / 24.5 / 4.11±0.36 / 28.0±0.70 / 20.7±0.81 / 51.4±4.86
Supplemental Data 1. Continued
Site / Longitude / Latitude / Salinity / 223Ra / 224Ra / 226Ra / 228Ra
(ºW) / (ºN) / (dpm 100L-1)
LL-4 / 87.693 / 30.254 / 20.6 / 3.77±0.26 / 30.6±0.65 / 13.8±1.07 / 42.5±3.16
LS-5 / 87.667 / 30.265 / 3.3 / 2.08±0.24 / 40.6±1.30 / 25.2±0.59 / 26.3±3.18
C-6 / 87.689 / 30.261 / 16.7 / 5.81±0.47 / 58.9±1.34 / 26.4±1.91 / 55.1±4.32
C-7 / 87.688 / 30.255 / 21.5 / 4.83±0.38 / 55.1±1.01 / 19.8±1.13 / 54.4±3.92
LL-8 / 87.716 / 30.255 / 23.5 / 4.18±0.37 / 43.8±1.28 / 18.1±0.52 / 48.5±4.02
LL-9 / 87.692 / 30.258 / 22.7 / 1.69±0.27 / 21.4±0.83 / 10.1±0.15 / 23.5±2.55
C-10 / 87.694 / 30.260 / 21.8 / 3.33±0.29 / 25.4±0.52 / 12.5±0.66 / 30.3±3.15
LL-11 / 87.743 / 30.248 / 24.7 / 1.63±0.25 / 9.53±0.54 / 11.3±0.49 / 23.0±3.05
LL-12 / 87.737 / 30.243 / 29.7 / 0.95±0.16 / 7.76±0.28 / 6.53±0.46 / 9.3±2.29
LL-13 / 87.750 / 30.246 / 25.5 / 1.83±0.24 / 12.5± 0.43 / 12.1±0.45 / 30.9±3.83
LL-14 / 87.768 / 30.246 / 24.4 / 2.19±0.26 / 17.3±0.78 / 15.2±0.49 / 43.9±3.95
LL-15 / 87.809 / 30.236 / 23.8 / 2.16±0.20 / 19.2±0.63 / 11.6±0.12 / 36.3±3.63
(d) 9-Mar-11
LL2 / 87.692 / 30.259 / 24.6 / 3.77±0.28 / 23.2±0.63 / 15.6±0.11 / 37.8±3.16
C3 / 87.691 / 30.254 / 6.7 / 0.70±0.13 / 9.90±0.46 / 6.90±0.13 / 10.0±2.64
LL4 / 87.696 / 30.256 / 25.1 / 1.91±0.26 / 21.8±0.93 / 20.1±0.18 / 49.7±4.05
LL5 / 87.704 / 30.253 / 26.1 / 3.22±0.30 / 24.4±0.58 / 18.5±0.49 / 42.2±3.40
LL6 / 87.721 / 30.251 / 26.5 / 2.31±0.26 / 20.7±0.59 / 13.0±0.55 / 34.0±3.41
LL7 / 87.726 / 30.250 / 26.5 / 1.88±0.28 / 22.5±0.82 / 22.8±0.80 / 57.5±4.79
LL8 / 87.737 / 30.245 / 26.8 / 2.38±0.23 / 18.3±0.71 / 14.8±0.63 / 32.1±4.43
Supplemental Data 1. Continued
Site / Longitude / Latitude / Salinity / 223Ra / 224Ra / 226Ra / 228Ra
(ºW) / (ºN) / (dpm 100L-1)
LL9 / 87.758 / 30.244 / 27.0 / 2.03±0.22 / 16.5±0.72 / 18.0±0.57 / 53.7±4.84
LL10 / 87.799 / 30.238 / 25.7 / 1.72±0.24 / 17.6±0.97 / 16.7±0.48 / 54.2±3.95
C11 / 87.689 / 30.261 / 21.7 / 3.03±0.29 / 30.7±0.87 / 13.4±0.29 / 30.0±3.95
(e) 25-Jul-11
C1 / 87.689 / 30.261 / 23.6 / 16.6±0.85 / 138±2.63 / 53.2±0.92 / 136±5.78
C2 / 87.688 / 30.255 / 25.6 / 11.1±0.74 / 97.4±2.79 / 37.6±0.52 / 114±4.55
LS01 / 87.665 / 30.256 / 3.8 / 2.35±0.26 / 28.9±1.13 / 37.4±0.28 / 54.9±4.19
LS02 / 87.674 / 30.258 / 4.7 / 2.79±0.31 / 47.7±1.46 / 31.7±0.62 / 49.0±4.06
LS03 / 87.660 / 30.266 / 3.8 / 0.58±0.18 / 4.11±0.32 / 4.00±0.07 / 11.8±3.39
C3 / 87.679 / 30.256 / 9.3 / 9.24±0.68 / 107±2.51 / 52.4±1.61 / 84.6±5.06
(f) 7-Sep-11
LL-1 / 87.694 / 30.255 / 12.1 / 9.39±0.57 / 84.5±1.82 / 47.1±0.83 / 116±5.33
C-1 / 87.688 / 30.255 / 8.71 / 5.81±0.53 / 56.4±1.72 / 49.3±1.34 / 68.9±4.48
C-2 / 87.689 / 30.261 / 9.27 / 11.5±0.56 / 92.8±1.71 / 40.4±0.21 / 92.4±4.78
LL-2 / 87.725 / 30.253 / 29.0 / 9.17±0.54 / 62.1±1.47 / 22.0±0.21 / 67.3±4.27
(g) 29-Nov-11
LL1 / 87.708 / 30.254 / 29.1 / 3.95±0.39 / 20.8±0.73 / 12.8±0.24 / 43.5±2.60
LL2 / 87.693 / 30.258 / 29.4 / 4.05±0.46 / 25.8±0.92 / 16.1±0.28 / 52.8±2.95
LL3 / 87.690 / 30.255 / 29.2 / 4.30±0.35 / 32.4±0.85 / 13.5±0.30 / 51.1±2.42
LL4 / 87.704 / 30.250 / 29.3 / 3.00±0.29 / 22.7±0.70 / 15.3±0.13 / 52.0±2.81
Supplemental Data 1. Continued
Site / Longitude / Latitude / Salinity / 223Ra / 224Ra / 226Ra / 228Ra
(ºW) / (ºN) / (dpm 100L-1)
LL5 / 87.737 / 30.245 / 30.4 / 2.81±0.36 / 23.6±0.88 / 15.7±0.08 / 56.0±3.26
(h) 24-Apr-12
LL01 / 87.693 / 30.258 / 20.9 / 10.6±0.85 / 68.4±1.50 / 43.4±1.26 / 124±3.50
LL02 / 87.696 / 30.255 / 25.1 / 8.83±0.80 / 61.1±1.61 / 36.7±0.01 / 135±4.54
LL03 / 87.703 / 30.255 / 25.4 / 9.51±0.91 / 66.4±1.90 / 32.7±0.53 / 118±4.61
LL04 / 87.719 / 30.250 / 27.0 / 10.6±0.77 / 69.0±1.37 / 34.6±1.08 / 136±4.26
LL05 / 87.735 / 30.247 / 27.5 / 9.33±0.72 / 53.8±1.38 / 28.1±0.16 / 122±4.46
LL06 / 87.748 / 30.245 / 26.9 / 7.26±0.72 / 36.7±1.18 / 25.3±1.68 / 94.0±4.28
LL07 / 87.768 / 30.246 / 26.8 / 7.81±0.63 / 38.4±1.25 / 20.9±1.65 / 72.2±3.84
LL08 / 87.777 / 30.240 / 26.7 / 8.92±0.69 / 49.0±1.45 / 30.0±0.97 / 110±3.68
LL09 / 87.789 / 30.237 / 26.1 / 8.68±0.81 / 57.8±1.78 / 26.7±0.13 / 110±4.39
LL10 / 87.799 / 30.238 / 25.7 / 11.7±0.86 / 60.1±1.37 / 27.2±2.55 / 125±4.55
LL11 / 87.806 / 30.240 / 25.2 / 10.9±0.79 / 65.2±1.48 / 29.5±0.71 / 147±5.25
LL12 / 87.818 / 30.239 / 25.3 / 12.4±1.10 / 73.6±1.78 / 36.2±0.50 / 98±3.68
(i) 21/22-May-12 / Time
P-1 / 12:05 / 29.9 / 1.26±0.19 / 10.8±0.47 / 15.6±0.24 / 24.7±2.10
P-2 / 14:05 / 30.6 / 8.34±0.51 / 47.8±0.89 / 22.7±0.47 / 91.2±3.22
P-3 / 16:00 / 30.9 / 4.25±0.42 / 25.0±0.82 / 12.8±0.02 / 47.7±2.26
P-4 / 17:58 / 31.1 / 4.48±0.49 / 31.4±0.81 / 16.9±0.49 / 59.0±2.68
P-5 / 21:15 / 30.9 / 6.28±0.63 / 43.4±0.92 / 20.8±0.25 / 88.7±2.81
Supplemental Data 1. Continued
Site / Longitude / Latitude / Salinity / 223Ra / 224Ra / 226Ra / 228Ra
(ºW) / (ºN) / (dpm 100L-1)
Time
P-6 / 23:00 / 30.9 / 5.46±0.69 / 34.4±0.90 / 12.3±0.13 / 62.5±3.15
P-7 / 1:00 / 30.8 / 5.61±0.57 / 33.4±0.71 / 15.9±0.64 / 55.4±3.11
P-8 / 3:00 / 30.7 / 6.77±0.65 / 39.8±0.83 / 16.3±0.36 / 64.5±2.47
P-9 / 4:58 / 32.4 / 2.05±0.42 / 14.0±0.62 / 9.57±0.27 / 24.0±2.31
P-10 / 7:00 / 32.2 / 1.52±0.26 / 9.90±0.38 / 10.0±0.17 / 13.5±1.78
P-11 / 9:00 / 32.2 / 1.41±0.28 / 9.92±0.43 / 10.3±0.21 / 20.6±1.96
P-12 / 11:00 / 32.2 / 0.95±0.25 / 10.5±0.51 / 11.4±0.11 / 24.8±2.22
Note: the Little LagoonPass (87.738º W, 30.243º N)
Supplemental Data 2. Radon in groundwater wells.The asterisk denotes duplicate samples.
Well / Date / Longitude (ºW) / Latitude (ºN) / Temperature (ºC) / Salinity / 222Rn (dpm/L)Tube wells
TW-1 / 6-Mar-12 / 87.693 / 30.255 / 19.6 / 1.85 / 68.5±6.7
19-Jun-12 / 25.2 / 3.7 / 69.7±7.3
TW-2 / 25-Apr-12* / 87.689 / 30.261 / 21.9 / 0.12 / 108±14.6
113±8.8
21-May-12* / 22.9 / 0.1 / 170±12.4
176±9.6
19-Jun-12 / 24.7 / 0.1 / 142±10.5
16-Aug-12 / 27.1 / 0.1 / 129±9.5
TW-3 / 25-Apr-12* / 87.670 / 30.255 / 21.1 / 2.58 / 12.9±0.8
9.8±2.2
21-May-12* / 22.2 / 2.99 / 13.2±2.3
13.3±6.0
19-Jun-12 / 24.1 / 1.2 / 11.1±2.6
TW-4 / 6-Mar-12 / 87.678 / 30.256 / 18.9 / 8.81 / 22.1±3.0
25-Apr-12 / 20.4 / 8.98 / 16.8±3.7
21-May-12* / 21.1 / 9.63 / 14.6±2.3
20.8±4.6
19-Jun-12 / 23.4 / 5.8 / 25.0±1.0
TW-5 / 6-Mar-12* / 87.725 / 30.254 / 20.6 / 0.2 / 50.2±9.3
68.4±8.0
25-Apr-12 / 22.1 / 0.15 / 58.0±8.0
17-Aug-12 / 28.2 / 0.2 / 42.1±13.6
TW-6 / 19-Jun-12 / 87.725 / 30.255 / 22.2 / 0.1 / 39.8±5.9
17-Aug-12* / 22.4 / 0.1 / 47.4±2.6
Supplemental Data 2.Continued
Well / Date / Longitude (ºW) / Latitude (ºN) / Temperature (ºC) / Salinity / 222Rn (dpm/L)
65.9±6.5
TW-7 / 6-Mar-12 / 87.786 / 30.245 / 20 / 0.1 / 20.6±2.6
17-Aug-12* / 26.6 / 0.1 / 23.2±2.1
25.7±3.2
TW-8 / 26-May-10* / 87.812 / 30.266 / 25.5 / 0.0 / 17.0±3.2
15.2±7.0
TW-9 / 26-May-10 / 87.813 / 30.233 / 20.7 / 0.0 / 17.2±6.0
TW-10 / 28-Jul-10 / 87.774 / 30.254 / 25.1 / 0.1 / 52.5±21.1
Average, standard error / 52.5±8.5
Deep wells
DW-1 / 26-May-10* / 87.774 / 30.254 / 25.0 / 0.1 / 38.2±12.5
47.6±11.4
DW-2 / 26-May-10 / 87.891 / 30.233 / 22.3 / 0.2 / 52.9±18.5
DW-3 / 28-Jul-10 / 87.657 / 30.280 / 22.7 / 0.1 / 66.4±12.2
DW-4 / 28-Jul-10 / 87.687 / 30.262 / 24.2 / 0.0 / 30.2±9.5
16-Aug-12* / 23.0 / 0.1 / 45.0±4.3
47.8±4.5
DW-5 / 28-Jul-10 / 87.686 / 30.263 / 23.0 / 0.1 / 42.9±11.0
16-Aug-12* / 24.1 / 0.0 / 32.1±1.6
36.4±8.5
Average, standard error / 44.0±3.4
Supplemental Data 3. Ra isotopes in groundwater wells.The asterisk denotes duplicate samples.A, B and corr.denote samples that were collected by two Mn-fibers put in series and the final results corrected for the recovery.Uncertainties given are ±1σ based on counting statistics.
Well / Date / Longitude / Latitude / Temperature / Salinity / 223Ra / 224Ra / 226Ra / 228Ra / Yield(ºW) / (ºN) / (ºC) / (dpm 100L-1) / (%)
Tube wells
TW-1 / 25-Jul-11 / 87.693 / 30.255 / 27.7 / 3.8 / 2.21±0.24 / 23.8±1.19 / 12.2±0.25 / 25.2±2.52
TW-1* / 2.73±0.29 / 25.5±1.25 / 13.5±0.65 / 20.2±2.89
TW-1 / 7-Sep-11 / 87.693 / 30.255 / 27.1 / 4.7 / 4.04±0.41 / 29.1±1.30 / 17.4±0.27 / 18.8±3.37
TW-1 A / 29-Nov-11 / 87.693 / 30.255 / 21.7 / 4.63 / 6.18±0.52 / 50.3±1.16 / 37.4±0.97 / 47.2±2.85 / 43.0
TW-1 B / 3.71±0.40 / 27.3±0.99 / 21.3±0.86 / 22.6±2.50
TW-1 corr. / 14.4±1.21 / 117±2.70 / 87.0±2.26 / 110±6.63
TW-1 / 6-Mar-12 / 87.693 / 30.255 / 19.6 / 1.85 / 5.05±0.49 / 34.8±1.25 / 17.0±0.43 / 19.0±2.39
TW-1 A / 6-Mar-12 / 87.693 / 30.255 / 19.6 / 1.85 / 4.01±0.41 / 27.4±1.14 / 13.5±0.22 / 15.8±1.89 / 44.4
TW-1 B / 2.35±0.34 / 18.7±1.13 / 7.52±0.13 / 6.65±1.80
TW-1 corr. / 9.04±0.92 / 61.7±2.57 / 30.5±0.50 / 35.7±4.26
TW-1 A / 21-May-12 / 87.693 / 30.255 / 23.6 / 4.05 / 7.90±0.89 / 59.3±1.11 / 34.5±0.23 / 43.9±3.17 / 85.7
TW-1 B / 1.21±0.33 / 8.35±0.47 / 5.00±0.10 / 4.50±1.89
TW-1 corr. / 9.22±1.04 / 69.2±1.30 / 40.3±0.27 / 51.2±3.70
TW-2 / 24-Apr-12 / 87.689 / 30.261 / 21.9 / 0.12 / 0.83±0.17 / 7.35±0.33 / 3.45±0.17 / 5.28±1.35
TW-2* / 0.32±0.09 / 6.41±0.36 / 2.98±0.17 / 4.50±1.53
TW-2 A / 21-May-12 / 87.689 / 30.261 / 22.9 / 0.1 / 0.57±0.13 / 4.01±0.33 / 2.36±0.03 / 2.93±1.51 / 92.4
TW-2 B / 0.45±0.15 / 15.0±0.68 / 0.18±0.02 / B.D.
Supplemental Data 3. Continued
Well / Date / Longitude / Latitude / Temperature / Salinity / 223Ra / 224Ra / 226Ra / 228Ra / Yield
(ºW) / (ºN) / (ºC) / (dpm 100L-1) / (%)
TW-2 corr. / 0.62±0.14 / 4.34±0.36 / 2.55±0.03 / 3.17±1.63
TW-3 / 6-Mar-12 / 87.670 / 30.255 / 20.1 / 2.5 / 3.78±0.45 / 40.0±1.21 / 27.3±0.23 / 19.1±2.35
TW-3 A / 6-Mar-12 / 87.670 / 30.255 / 20.1 / 2.5 / 2.46±0.35 / 33.5±1.15 / 22.8±0.09 / 19.7±2.27 / 33.8
TW-3 B / 1.66±0.33 / 20.9±1.17 / 15.1±0.00 / 10.6±1.91
TW-3 corr. / 7.27±1.04 / 99.1±3.40 / 67.4±0.27 / 58.2±6.71
TW-3 / 24-Apr-12 / 87.670 / 30.255 / 21.1 / 2.58 / 6.11±0.69 / 56.2±1.38 / 37.8±0.52 / 26.3±3.01
TW-3 A / 24-Apr-12 / 87.670 / 30.255 / 21.1 / 2.58 / 5.45±0.66 / 53.0±1.50 / 31.4±0.82 / 24.8±3.19 / 42.9
TW-3 B / 2.79±0.50 / 23.0±1.18 / 17.9±0.08 / 14.2±2.54
TW-3 corr. / 12.7±1.54 / 123±3.49 / 73.1±1.91 / 57.8±7.44
TW-3 A / 21-May-12 / 87.670 / 30.255 / 22.2 / 2.99 / 9.80±1.16 / 131±1.99 / 31.2±0.16 / 28.3±3.04 / 61.9
TW-3 B / 1.41±0.27 / 15.2±0.86 / 11.9±0.06 / 15.0±2.74
TW-3 corr. / 15.8±1.87 / 212±3.22 / 50.5±0.26 / 45.7±4.91
TW-4 / 29-Nov-11 / 87.678 / 30.256 / 21.5 / 6.78 / 7.99±0.66 / 59.4±1.33 / 93.3±0.84 / 39.9±2.90
TW-4 / 6-Mar-12 / 87.678 / 30.256 / 18.9 / 8.81 / 6.47±0.67 / 60.2±1.46 / 114±1.06 / 46.8±3.53
TW-4 A / 6-Mar-12 / 87.678 / 30.256 / 18.9 / 8.81 / 14.0±1.11 / 105±1.94 / 197±3.46 / 86.1±4.55 / 84.1
TW-4 B / 2.48±0.52 / 22.3±1.22 / 31.4±0.75 / 10.0±3.15
TW-4 corr. / 16.7±1.32 / 125±2.31 / 235±4.11 / 102±5.41
TW-4 / 24-Apr-12 / 87.678 / 30.256 / 20.4 / 8.98 / 21.0±1.29 / 125±1.90 / 183±1.02 / 64.8±2.95
TW-4* / 22.1±1.32 / 129±2.37 / 188±1.63 / 65.5±2.72
TW-4 A / 21-May-12 / 87.678 / 30.256 / 21.1 / 9.63 / 13.1±1.40 / 147±2.72 / 100±0.99 / 43.9±3.30 / negative
Supplemental Data 3. Continued
Well / Date / Longitude / Latitude / Temperature / Salinity / 223Ra / 224Ra / 226Ra / 228Ra / Yield
(ºW) / (ºN) / (ºC) / (dpm 100L-1) / (%)
TW-4 B / 15.2±1.47 / 61.7±1.51 / 127±1.02 / 53.0±3.88
TW-4 corr. / - / - / - / -
TW-5 / 25-Jul-11 / 87.725 / 30.254 / 27.5 / 0.2 / 1.93±0.22 / 49.4±1.44 / 22.0±0.60 / 39.7±3.44
TW-5* / 1.56±0.19 / 56.8±1.64 / 30.0±0.52 / 35.2±2.73
TW-5 A / 25-Jul-11 / 87.725 / 30.254 / 27.0 / 0.2 / 2.50±0.26 / 53.4±1.40 / 33.6±0.46 / 40.5±3.38 / 83.9
TW-5 B / 0.94±0.16 / 3.8±0.23 / 5.42±0.15 / 5.45±3.13
TW-5 corr. / 2.98±0.31 / 63.7±1.67 / 40.0±0.55 / 48.3±4.03
TW-5 / 7-Sep-11 / 87.725 / 30.254 / 27.1 / 0.3 / 3.07±0.30 / 89.2±2.18 / 25.1±0.20 / 33.7±3.08
TW-5 / 29-Nov-11 / 87.725 / 30.254 / 22.4 / 0.2 / 1.63±0.24 / 45.3±0.90 / 19.2±0.62 / 24.1 ±2.71
TW-5 / 6-Mar-12 / 87.725 / 30.254 / 20.6 / 0.2 / 2.73±0.27 / 48.4±1.24 / 27.9±0.23 / 41.3±1.97
TW-5 A / 6-Mar-12 / 87.725 / 30.254 / 20.6 / 0.2 / 2.64±0.36 / 43.1±1.51 / 26.5±0.35 / 37.0±2.53 / 86.8
TW-5 B / 0.42±0.09 / 2.45±0.24 / 3.49±0.90 / 8.40±2.19
TW-5 corr. / 3.04±0.41 / 49.6±1.74 / 30.5±0.40 / 42.6±2.91
TW-5 / 24-Apr-12 / 87.725 / 30.254 / 22.1 / 0.15 / 2.53±0.36 / 35.7±0.91 / 17.1 ±0.21 / 29.3±3.29
TW-5 A / 24-Apr-12 / 87.725 / 30.254 / 22.1 / 0.15 / 2.74±0.39 / 30.7±0.91 / 19.5±0.08 / 18.6±2.65 / 85.7
TW-5 B / 1.05±0.22 / B.D. / 2.78±0.06 / 5.35±2.46
TW-5 corr. / 3.20±0.46 / 35.8±1.06 / 22.7±0.09 / 21.7±3.09
TW-6 / 6-Mar-12 / 87.725 / 30.255 / 21.4 / 0.07 / 3.54±0.39 / 38.2±1.30 / 32.5±0.86 / 43.7±2.90
TW-6 A / 6-Mar-12 / 87.725 / 30.255 / 21.4 / 0.07 / 3.21±0.40 / 35.3±1.11 / 24.4±0.52 / 40.1±2.62 / 15.6
TW-6 B / 2.24±0.35 / 24.9±1.12 / 20.6±0.60 / 26.1±1.97
Supplemental Data 3. Continued
Well / Date / Longitude / Latitude / Temperature / Salinity / 223Ra / 224Ra / 226Ra / 228Ra / Yield
(ºW) / (ºN) / (ºC) / (dpm 100L-1) / (%)
TW-6 corr. / 20.6±2.56 / 226±7.11 / 156±3.33 / 257±16.79
TW-7 / 29-Nov-11 / 87.786 / 30.245 / 21.6 / 0.11 / 1.10±0.25 / 10.9±0.56 / 2.46±0.07 / 11.2±2.83
TW-7 / 6-Mar-12 / 87.786 / 30.245 / 20.0 / 0.1 / 0.88±0.17 / 9.13±0.61 / 1.98±0.59 / 5.05±1.33
TW-7 A / 6-Mar-12 / 87.786 / 30.245 / 20.0 / 0.1 / 0.80±0.18 / 8.11±0.60 / 1.35±0.04 / 5.74±1.50 / 100
TW-7 B / B.D. / 0.20±0.07 / B.D. / B.D.
TW-7 corr. / 0.80±0.18 / 8.11±0.60 / 1.35±0.04 / 5.74±1.50
TW-10 / 28-Jul-10 / 87.774 / 30.254 / 25.1 / 0.1 / 4.72±0.76 / 95.9±4.31 / 41.5±0.37 / 51.9±10.8
Average, standard error / 8.63±4.67 / 92.3±50.8 / 49.1±20.8 / 52.4±23.0
Deep wells
DW-4 / 29-Jun-10 / 87.687 / 30.262 / 23.0 / 0 / 6.70±0.77 / 209±4.78 / 66.5±1.70 / 166±13.4
DW-5 / 29-Jun-10 / 87.686 / 30.263 / 22.5 / 0 / 18.5±1.40 / 660±12.7 / 151±1.04 / 492±17.7
DW-3 / 28-Jul-10 / 87.657 / 30.275 / 22.7 / 0.1 / 5.52±0.76 / 304±8.39 / 113±5.69 / 333±15.1
DW-4 / 28-Jul-10 / 87.687 / 30.262 / 24.2 / 0.0 / 4.20±0.74 / 208±6.79 / 47.9±1.44 / 154±13.9
DW-5 / 28-Jul-10 / 87.686 / 30.263 / 23.0 / 0.1 / 16.7±1.55 / 558±9.93 / 157±1.11 / 438±19.2
Average, standard error / 10.3±6.73 / 388±209 / 107±49.0 / 317±154
Note: B.D. = below detection.Low yields on some of the shallow wells were a result of reducing groundwaters attaching the MnO2 fibers.
Supplemental Data 4. Principal Component Analysis (PCA) output for April 2010 and March 2011
April 2010 / March 2011Eigenvalues / 8.51 / 2.6 / 1.09 / 0.5 / 0.254 / 5.55 / 3.12 / 2.09 / 1.26 / 0.593
%Variation / 65.4 / 20 / 8.3 / 3.8 / 2 / 42.7 / 24 / 16.1 / 9.7 / 4.6
Cum.%Variation / 65.4 / 85.5 / 93.8 / 97.6 / 99.6 / 42.7 / 66.6 / 82.7 / 92.4 / 96.9
PC1 / PC2 / PC3 / PC4 / PC5 / PC1 / PC2 / PC3 / PC4 / PC5
Salinity / Y / Y / Y / Y
223Ra / Y / Y / Y / Y / Y
ex 224Ra / Y / Y
226Ra / Y / Y / Y
228Th / Y / Y / Y / Y
Log(NO3) / Y / Y / Y
Log(NH4) / Y / Y / Y
Log(PO4) / Y / Y
Log(SiO3) / Y / Y / Y
Log(DON) / Y / Y / Y
Log(RecalcTN) / Y / Y / Y
TP / Y / Y / Y
chl-a / Y / Y